diff --git a/Dockerfile.splash_pad b/Dockerfile.splash_pad
index 3c4295ba..07bc524c 100644
--- a/Dockerfile.splash_pad
+++ b/Dockerfile.splash_pad
@@ -6,11 +6,13 @@ RUN rm --recursive --force /nemo
 
 RUN mkdir /nemo
 RUN mkdir /nemo/media
+RUN mkdir /nemo/media/tool_images
 WORKDIR /nemo
 
 COPY resources/icons/* /nemo/media/
 COPY resources/people/* /nemo/media/
 COPY resources/sounds/* /nemo/media/
+COPY resources/images/tool_images/* /nemo/media/tool_images/
 COPY resources/images/* /nemo/media/
 COPY resources/emails/* /nemo/media/
 COPY resources/splash_pad_rates.json /nemo/media/rates.json
diff --git a/NEMO/__init__.py b/NEMO/__init__.py
index 21c97d85..5b2cca5d 100644
--- a/NEMO/__init__.py
+++ b/NEMO/__init__.py
@@ -1,11 +1,13 @@
+import sys
+
 from django.apps import AppConfig
 
 
 def init_admin_site():
-	from NEMO.views.customization import get_customization
+	from NEMO.views.customization import ApplicationCustomization
 	from django.contrib import admin
 	# customize the site
-	site_title = get_customization("site_title", raise_exception=False)
+	site_title = ApplicationCustomization.get("site_title", raise_exception=False)
 	admin.site.site_header = site_title
 	admin.site.site_title = site_title
 	admin.site.index_title = "Detailed administration"
@@ -20,6 +22,8 @@ class NEMOConfig(AppConfig):
 	name = "NEMO"
 
 	def ready(self):
+		if 'migrate' or 'makemigrations' in sys.argv:
+			return
 		from django.apps import apps
 		if apps.is_installed("django.contrib.admin"):
 			init_admin_site()
diff --git a/NEMO/apps/area_access/views.py b/NEMO/apps/area_access/views.py
index 433419b5..ff80f817 100644
--- a/NEMO/apps/area_access/views.py
+++ b/NEMO/apps/area_access/views.py
@@ -23,7 +23,7 @@
 )
 from NEMO.models import (BadgeReader, Door, PhysicalAccessLog, PhysicalAccessType, Project, UsageEvent, User)
 from NEMO.views.area_access import log_in_user_to_area, log_out_user
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import ApplicationCustomization, InterlockCustomization
 from NEMO.views.policy import check_billing_to_project, check_policy_to_enter_any_area, check_policy_to_enter_this_area
 from NEMO.views.tool_control import interlock_bypass_allowed
 
@@ -73,7 +73,7 @@ def login_to_area(request, door_id):
 	log.time = timezone.now()
 	log.result = PhysicalAccessType.DENY  # Assume the user does not have access
 
-	facility_name = get_customization("facility_name")
+	facility_name = ApplicationCustomization.get("facility_name")
 
 	# Check policy for entering an area
 	try:
@@ -289,7 +289,7 @@ def open_door(request, door_id):
 
 
 def interlock_error(action: str = None, user: User = None, bypass_allowed: bool = None):
-	error_message = get_customization('door_interlock_failure_message')
+	error_message = InterlockCustomization.get('door_interlock_failure_message')
 	bypass_allowed = interlock_bypass_allowed(user) if bypass_allowed is None else bypass_allowed
 	dictionary = {
 		"message": linebreaksbr(error_message),
diff --git a/NEMO/apps/kiosk/templates/kiosk/tool_information.html b/NEMO/apps/kiosk/templates/kiosk/tool_information.html
index 13e72d6d..6f21be18 100644
--- a/NEMO/apps/kiosk/templates/kiosk/tool_information.html
+++ b/NEMO/apps/kiosk/templates/kiosk/tool_information.html
@@ -336,7 +336,7 @@ <h2>
 
 	update_stop_button();
 	$('body').on('question-group-changed', update_stop_button);
-	$('body').on('change keyup', '#tool_control input[required], #tool_control select[required], #tool_control textarea[required], #downtime', update_stop_button);
+	$('body').on('change keyup', '#tool_control input, #tool_control select, #tool_control textarea, #downtime', update_stop_button);
 	$('#downtime').numpad({'readonly': false, 'hidePlusMinusButton': true, 'hideDecimalButton': true});
 	$('#delayed_logoff_help').popover();
 	revert(60);
diff --git a/NEMO/apps/kiosk/templates/kiosk/tool_reservation.html b/NEMO/apps/kiosk/templates/kiosk/tool_reservation.html
index e9f01d2d..336fedb9 100644
--- a/NEMO/apps/kiosk/templates/kiosk/tool_reservation.html
+++ b/NEMO/apps/kiosk/templates/kiosk/tool_reservation.html
@@ -54,15 +54,15 @@ <h4>When would you like to reserve the {{ tool }}?</h4>
 </form>
 <div style="height:350px"></div>
 <script>
-	var unavailable_times = [];
+	let unavailable_times = [];
 	{% for item in tool_reservation_times %}
 	unavailable_times.push([{{ item.start|date:"U" }},{{ item.end|date:"U" }}]);
 	{% endfor %}
-	var date_picker = $('#date').pickadate({format: "dddd, mmmm d", formatSubmit: "yyyy-mm-dd", firstDay: 1, hiddenName: true, onSet: refresh_times});
-	var start_time_picker = $('#start').pickatime({interval: 15, formatSubmit: "H:i", hiddenName: true, formatLabel: format_label});
-	var end_time_picker = $('#end').pickatime({interval: 15, formatSubmit: "H:i", hiddenName: true, formatLabel: format_label});
+	let date_picker = $('#date').pickadate({format: "dddd, mmmm d", formatSubmit: "yyyy-mm-dd", firstDay: 1, hiddenName: true, onSet: refresh_times});
+	let start_time_picker = $('#start').pickatime({interval: 15, formatSubmit: "H:i", hiddenName: true, formatLabel: format_label});
+	let end_time_picker = $('#end').pickatime({interval: 15, formatSubmit: "H:i", hiddenName: true, formatLabel: format_label});
 	// set initial date
-	if ('{{ date }}') {
+	if ('{{ date|default_if_none:'' }}') {
 		date_picker.pickadate('picker').set('select', '{{ date }}', {format: 'yyyy-mm-dd'})
 	}
 	function refresh_times() {
@@ -71,13 +71,13 @@ <h4>When would you like to reserve the {{ tool }}?</h4>
 	}
 	function format_label(time) {
 		if (date_picker.pickadate('picker').get('select') && unavailable_times.length > 0) {
-			var date_selected = date_picker.pickadate('picker').get('select').pick; // selected date in milliseconds
-			var time_selected = time.pick * 60 * 1000; // time in milliseconds
-			var date_time_selected = (date_selected + time_selected)/1000; // back to seconds to compare with python timestamp
-			for (var i=0 ; i < unavailable_times.length; i++) {
-                var times = unavailable_times[i];
-                var start = times[0];
-                var end = times[1];
+			let date_selected = date_picker.pickadate('picker').get('select').pick; // selected date in milliseconds
+			let time_selected = time.pick * 60 * 1000; // time in milliseconds
+			let date_time_selected = (date_selected + time_selected)/1000; // back to seconds to compare with python timestamp
+			for (let i=0 ; i < unavailable_times.length; i++) {
+                let times = unavailable_times[i];
+                let start = times[0];
+                let end = times[1];
                 if (date_time_selected >= start && date_time_selected < end) {
                     return '<sp!an>h:i A</sp!an> <sm!all> !alre!ad!y re!serve!d</sm!all>';
                 }
diff --git a/NEMO/apps/sensors/__init__.py b/NEMO/apps/sensors/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/NEMO/apps/sensors/admin.py b/NEMO/apps/sensors/admin.py
new file mode 100644
index 00000000..f388370f
--- /dev/null
+++ b/NEMO/apps/sensors/admin.py
@@ -0,0 +1,229 @@
+from copy import deepcopy
+
+from django import forms
+from django.contrib import admin, messages
+from django.contrib.admin import register
+from django.contrib.admin.decorators import display
+from django.contrib.admin.utils import display_for_value
+from django.urls import reverse
+from django.utils.safestring import mark_safe
+
+from NEMO.apps.sensors.models import (
+	Sensor,
+	SensorAlertEmail,
+	SensorAlertLog,
+	SensorCard,
+	SensorCardCategory,
+	SensorCategory,
+	SensorData,
+)
+
+
+def duplicate_sensor_configuration(model_admin, request, queryset):
+	for sensor in queryset:
+		original_name = sensor.name
+		new_name = "Copy of " + sensor.name
+		try:
+			existing_sensor = Sensor.objects.filter(name=new_name)
+			if existing_sensor.exists():
+				messages.error(
+					request,
+					mark_safe(
+						f'There is already a copy of {original_name} as <a href="{reverse("admin:sensors_sensor_change", args=[existing_sensor.first().id])}">{new_name}</a>. Change the copy\'s name and try again'
+					),
+				)
+				continue
+			else:
+				new_sensor: Sensor = deepcopy(sensor)
+				new_sensor.name = new_name
+				new_sensor.read_frequency = 0
+				new_sensor.id = None
+				new_sensor.pk = None
+				new_sensor.save()
+				messages.success(
+					request,
+					mark_safe(
+						f'A duplicate of {original_name} has been made as <a href="{reverse("admin:sensors_sensor_change", args=[new_sensor.id])}">{new_sensor.name}</a>'
+					),
+				)
+		except Exception as error:
+			messages.error(
+				request, f"{original_name} could not be duplicated because of the following error: {str(error)}"
+			)
+
+
+def read_selected_sensors(model_admin, request, queryset):
+	for sensor in queryset:
+		try:
+			response = sensor.read_data(raise_exception=True)
+			if isinstance(response, SensorData):
+				messages.success(request, f"{sensor} data read: {response.value}")
+			elif isinstance(response, str):
+				messages.warning(request, response)
+		except Exception as error:
+			messages.error(request, f"{sensor} data could not be read due to the following error: {str(error)}")
+
+
+class SensorCardAdminForm(forms.ModelForm):
+	class Meta:
+		model = SensorCard
+		widgets = {"password": forms.PasswordInput(render_value=True)}
+		fields = "__all__"
+
+	def clean(self):
+		if any(self.errors):
+			return
+		cleaned_data = super().clean()
+		category = cleaned_data["category"]
+		from NEMO.apps.sensors import sensors
+
+		sensors.get(category).clean_sensor_card(self)
+		return cleaned_data
+
+
+@register(SensorCard)
+class SensorCardAdmin(admin.ModelAdmin):
+	form = SensorCardAdminForm
+	list_display = ("name", "enabled", "server", "port", "category")
+
+
+class SensorAdminForm(forms.ModelForm):
+	class Meta:
+		model = Sensor
+		fields = "__all__"
+
+	def clean(self):
+		if any(self.errors):
+			return
+		cleaned_data = super().clean()
+
+		card = (
+			self.cleaned_data["sensor_card"]
+			if "sensor_card" in self.cleaned_data
+			else self.cleaned_data["interlock_card"]
+		)
+		if card:
+			category = card.category
+			from NEMO.apps.sensors import sensors
+
+			sensors.get(category).clean_sensor(self)
+		return cleaned_data
+
+
+class SensorCategoryAdminForm(forms.ModelForm):
+	class Meta:
+		model = SensorCategory
+		fields = "__all__"
+
+	def __init__(self, *args, **kwargs):
+		super().__init__(*args, **kwargs)
+		if self.instance.pk:
+			children_ids = [child.id for child in self.instance.all_children()]
+			self.fields["parent"].queryset = SensorCategory.objects.exclude(id__in=[self.instance.pk, *children_ids])
+
+
+@register(SensorCategory)
+class SensorCategoryAdmin(admin.ModelAdmin):
+	form = SensorCategoryAdminForm
+	list_display = ("name", "get_parent", "get_children")
+
+	@display(ordering="children", description="Children")
+	def get_children(self, category: SensorCategory) -> str:
+		return mark_safe(
+			", ".join(
+				[
+					f'<a href="{reverse("admin:sensors_sensorcategory_change", args=[child.id])}">{child.name}</a>'
+					for child in category.children.all()
+				]
+			)
+		)
+
+	@display(ordering="parent", description="Parent")
+	def get_parent(self, category: SensorCategory) -> str:
+		if not category.parent:
+			return ""
+		return mark_safe(
+			f'<a href="{reverse("admin:sensors_sensorcategory_change", args=[category.parent.id])}">{category.parent.name}</a>'
+		)
+
+	def formfield_for_foreignkey(self, db_field, request, **kwargs):
+		""" Filter list of potential parents """
+		if db_field.name == "parent":
+			kwargs["queryset"] = SensorCategory.objects.filter()
+		return super().formfield_for_foreignkey(db_field, request, **kwargs)
+
+
+@register(Sensor)
+class SensorAdmin(admin.ModelAdmin):
+	form = SensorAdminForm
+	list_display = (
+		"id",
+		"name",
+		"visible",
+		"card",
+		"get_card_enabled",
+		"sensor_category",
+		"unit_id",
+		"read_address",
+		"number_of_values",
+		"get_read_frequency",
+		"get_last_read",
+		"get_last_read_at",
+	)
+	actions = [duplicate_sensor_configuration, read_selected_sensors]
+
+	@display(boolean=True, ordering="sensor_card__enabled", description="Card Enabled")
+	def get_card_enabled(self, obj: Sensor):
+		return obj.card.enabled
+
+	@display(description="Last read")
+	def get_last_read(self, obj: Sensor):
+		last_data_point = obj.last_data_point()
+		return last_data_point.value if last_data_point else ""
+
+	@display(description="Last read at")
+	def get_last_read_at(self, obj: Sensor):
+		last_data_point = obj.last_data_point()
+		return last_data_point.created_date if last_data_point else ""
+
+	@display(ordering="read_frequency", description="Read frequency")
+	def get_read_frequency(self, obj: Sensor):
+		return obj.read_frequency if obj.read_frequency != 0 else display_for_value(False, "", boolean=True)
+
+
+@register(SensorCardCategory)
+class SensorCardCategoryAdmin(admin.ModelAdmin):
+	list_display = ("name", "key")
+
+
+@register(SensorData)
+class SensorDataAdmin(admin.ModelAdmin):
+	list_display = ("created_date", "sensor", "value", "get_display_value")
+	date_hierarchy = "created_date"
+	list_filter = ("sensor", "sensor__sensor_category")
+
+	@display(ordering="sensor__data_prefix", description="Display value")
+	def get_display_value(self, obj: SensorData):
+		return obj.display_value()
+
+
+@register(SensorAlertEmail)
+class SensorAlertEmailAdmin(admin.ModelAdmin):
+	list_display = ("sensor", "enabled", "trigger_condition", "trigger_no_data", "additional_emails", "triggered_on")
+	readonly_fields = ("triggered_on",)
+
+
+@register(SensorAlertLog)
+class SensorAlertLogAdmin(admin.ModelAdmin):
+	list_display = ["id", "time", "sensor", "reset", "value"]
+	list_filter = ["sensor", "value", "reset"]
+	date_hierarchy = "time"
+
+	def has_delete_permission(self, request, obj=None):
+		return False
+
+	def has_add_permission(self, request):
+		return False
+
+	def has_change_permission(self, request, obj=None):
+		return False
diff --git a/NEMO/apps/sensors/customizations.py b/NEMO/apps/sensors/customizations.py
new file mode 100644
index 00000000..eb3fcec9
--- /dev/null
+++ b/NEMO/apps/sensors/customizations.py
@@ -0,0 +1,15 @@
+from django.core.validators import validate_email
+
+from NEMO.decorators import customization
+from NEMO.views.customization import CustomizationBase
+
+
+@customization(key="sensors", title="Sensor Data")
+class SensorCustomization(CustomizationBase):
+	variables = {"sensor_default_daterange": "", "sensor_default_refresh_rate": "0", "sensor_alert_emails": ""}
+
+	def validate(self, name, value):
+		if name == "sensor_alert_emails":
+			recipients = tuple([e for e in value.split(",") if e])
+			for email in recipients:
+				validate_email(email)
diff --git a/NEMO/apps/sensors/evaluators.py b/NEMO/apps/sensors/evaluators.py
new file mode 100644
index 00000000..0eb4ad4c
--- /dev/null
+++ b/NEMO/apps/sensors/evaluators.py
@@ -0,0 +1,202 @@
+import ast
+import operator
+from _ast import BinOp, BoolOp, Call, Compare, Index, Name, NameConstant, Num, Slice, Subscript, UnaryOp
+from math import ceil, floor, sqrt, trunc
+
+from pymodbus.constants import Endian
+from pymodbus.payload import BinaryPayloadDecoder
+
+# supported operators
+base_operators = {
+	ast.Add: operator.add,
+	ast.Sub: operator.sub,
+	ast.Mult: operator.mul,
+	ast.Div: operator.truediv,
+	ast.Pow: operator.pow,
+	ast.BitXor: operator.xor,
+	ast.USub: operator.neg,
+	ast.mod: operator.mod,
+}
+
+# supported functions
+base_functions = {
+	"round": round,
+	"floor": floor,
+	"ceil": ceil,
+	"abs": abs,
+	"trunc": trunc,
+	"sqrt": sqrt,
+	"sum": sum,
+}
+
+
+# noinspection PyTypeChecker
+class BasicEvaluatorVisitor(ast.NodeVisitor):
+	operators = base_operators
+	functions = base_functions
+
+	def __init__(self, **kwargs):
+		self._variables = kwargs
+
+	def visit_Name(self, node: Name):
+		if node.id in self._variables:
+			return self._variables[node.id]
+		else:
+			raise AttributeError(f"Variable not found: {node.id}")
+
+	def visit_Num(self, node: Num):
+		return node.n
+
+	def visit_NameConstant(self, node: NameConstant):
+		return node.value
+
+	def visit_UnaryOp(self, node: UnaryOp):
+		val = self.visit(node.operand)
+		op = type(node.op)
+		if op in self.operators:
+			return self.operators[op](val)
+		else:
+			raise TypeError(f"Unsupported operation: {op.__name__}")
+
+	def visit_BinOp(self, node: BinOp):
+		lhs = self.visit(node.left)
+		rhs = self.visit(node.right)
+		op = type(node.op)
+		if op in self.operators:
+			return self.operators[op](lhs, rhs)
+		else:
+			raise TypeError(f"Unsupported operation: {op.__name__}")
+
+	def visit_Subscript(self, node: Subscript):
+		val = self.visit(node.value)
+		index = self.visit(node.slice)
+		try:
+			return val[index]
+		except AttributeError:
+			return self.generic_visit(node)
+
+	def visit_Index(self, node: Index, **kwargs):
+		"""df.index[4]"""
+		return self.visit(node.value)
+
+	def visit_Slice(self, node: Slice):
+		lower = node.lower
+		if lower is not None:
+			lower = self.visit(lower)
+		upper = node.upper
+		if upper is not None:
+			upper = self.visit(upper)
+		step = node.step
+		if step is not None:
+			step = self.visit(step)
+
+		return slice(lower, upper, step)
+
+	def visit_Call(self, node: Call):
+		if node.func.id in self.functions:
+			new_args = [self.visit(arg) for arg in node.args]
+			return self.functions[node.func.id](*new_args)
+		else:
+			self.generic_visit(node)
+
+	def generic_visit(self, node):
+		if isinstance(node, ast.Call):
+			raise TypeError(f"Unsupported operation: {getattr(node.func,'id')}")
+		raise ValueError("malformed node or string: " + repr(node))
+
+
+# Special modbus functions
+modbus_functions = [
+	"decode_8bit_uint",
+	"decode_16bit_uint",
+	"decode_32bit_uint",
+	"decode_64bit_uint",
+	"decode_8bit_int",
+	"decode_16bit_int",
+	"decode_32bit_int",
+	"decode_64bit_int",
+	"decode_16bit_float",
+	"decode_32bit_float",
+	"decode_64bit_float",
+	"decode_bits",
+	"decode_string",
+]
+
+
+def get_modbus_function(name):
+	# This will return the corresponding modbus function
+	def modbus_function(registers):
+		decoder = BinaryPayloadDecoder.fromRegisters(registers, byteorder=Endian.Big, wordorder=Endian.Little)
+		return getattr(decoder, name)
+
+	return modbus_function
+
+
+# noinspection PyTypeChecker
+class ModbusEvaluatorVisitor(BasicEvaluatorVisitor):
+	# Extension of the basic evaluator with additional modbus specific functions
+	def visit_Call(self, node: Call):
+		if node.func.id in self.functions:
+			return super().visit_Call(node)
+		elif node.func.id in modbus_functions:
+			new_args = [self.visit(arg) for arg in node.args]
+			return get_modbus_function(node.func.id)(*new_args)()
+		else:
+			self.generic_visit(node)
+
+
+boolean_operators = {
+	**base_operators,
+	ast.Gt: operator.gt,
+	ast.GtE: operator.ge,
+	ast.Lt: operator.lt,
+	ast.LtE: operator.le,
+	ast.Eq: operator.eq,
+	ast.NotEq: operator.ne,
+	ast.Not: operator.not_,
+}
+
+
+# noinspection PyTypeChecker
+class BooleanEvaluatorVisitor(BasicEvaluatorVisitor):
+	operators = boolean_operators
+
+	def visit_bool(self, node: bool):
+		return node
+
+	def visit_BoolOp(self, node: BoolOp):
+		if isinstance(node.op, (ast.And, ast.Or)):
+			values = map(self.visit, node.values)
+			return all(values) if isinstance(node.op, ast.And) else any(values)
+		else:
+			return self.generic_visit(self, node)
+
+	def visit_Compare(self, node: Compare, **kwargs):
+		# base case: we have something like a CMP b
+		if len(node.comparators) == 1:
+			bin_op = ast.BinOp(op=node.ops[0], left=node.left, right=node.comparators[0])
+			return self.visit(bin_op)
+
+		# recursive case: we have a chained comparison, a CMP b CMP c, etc.
+		left = node.left
+		values = []
+		for op, comp in zip(node.ops, node.comparators):
+			new_node = self.visit(ast.Compare(comparators=[comp], left=left, ops=[op]))
+			left = comp
+			values.append(new_node)
+		return self.visit(ast.BoolOp(op=ast.And(), values=values))
+
+
+def evaluate_expression(expr, **kwargs):
+	v = BasicEvaluatorVisitor(**kwargs)
+	return v.visit(ast.parse(expr, mode="eval").body)
+
+
+def evaluate_modbus_expression(expr, **kwargs):
+	v = ModbusEvaluatorVisitor(**kwargs)
+	return v.visit(ast.parse(expr, mode="eval").body)
+
+
+def evaluate_boolean_expression(expr, **kwargs):
+	v = BooleanEvaluatorVisitor(**kwargs)
+	return v.visit(ast.parse(expr, mode="eval").body)
diff --git a/NEMO/apps/sensors/management/__init__.py b/NEMO/apps/sensors/management/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/NEMO/apps/sensors/management/commands/__init__.py b/NEMO/apps/sensors/management/commands/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/NEMO/apps/sensors/management/commands/manage_sensor_data.py b/NEMO/apps/sensors/management/commands/manage_sensor_data.py
new file mode 100644
index 00000000..5bdb44a7
--- /dev/null
+++ b/NEMO/apps/sensors/management/commands/manage_sensor_data.py
@@ -0,0 +1,10 @@
+from django.core.management import BaseCommand
+
+from NEMO.apps.sensors.views import do_manage_sensor_data
+
+
+class Command(BaseCommand):
+	help = "Run every minute to read and manage sensors data."
+
+	def handle(self, *args, **options):
+		do_manage_sensor_data(asynchronous=False)
diff --git a/NEMO/apps/sensors/migrations/0001_initial.py b/NEMO/apps/sensors/migrations/0001_initial.py
new file mode 100644
index 00000000..adea44bb
--- /dev/null
+++ b/NEMO/apps/sensors/migrations/0001_initial.py
@@ -0,0 +1,142 @@
+# Generated by Django 3.2.12 on 2022-04-18 14:37
+
+import django.core.validators
+import django.db.models.deletion
+from django.db import migrations, models
+
+import NEMO.fields
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('NEMO', '0038_version_4_0_0'),
+    ]
+
+    def add_modbus_tcp_sensor_category(apps, schema_editor):
+        SensorCardCategory = apps.get_model("sensors", "SensorCardCategory")
+        SensorCardCategory.objects.create(name="ModbusTcp", key="modbus_tcp")
+
+    operations = [
+        migrations.CreateModel(
+            name='Sensor',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200)),
+                ('data_prefix', models.CharField(blank=True, max_length=100, null=True, help_text="Prefix for sensor data values")),
+                ('data_suffix', models.CharField(blank=True, max_length=100, null=True, help_text="Suffix for sensor data values")),
+                ('unit_id', models.PositiveIntegerField(blank=True, null=True)),
+                ('read_address', models.PositiveIntegerField(blank=True, null=True)),
+                ('number_of_values', models.PositiveIntegerField(blank=True, null=True, validators=[django.core.validators.MinValueValidator(1)])),
+                ('formula', models.TextField(blank=True, help_text='Enter a formula to compute for this sensor values. The list of registers read is available as variable <b>registers</b>. Specific functions can be used based on the sensor type. See documentation for details.', null=True)),
+                ('read_frequency', models.PositiveIntegerField(default=5, help_text='Enter the read frequency in minutes. Every 2 hours = 120, etc. Max value is 1440 min (24hrs). Use 0 to disable sensor data read.', validators=[django.core.validators.MaxValueValidator(1440), django.core.validators.MinValueValidator(0)])),
+                ('visible', models.BooleanField(default=True, help_text='Specifies whether this sensor is visible in the sensor dashboard')),
+                ('data_label', models.CharField(blank=True, help_text='Label for graph and table data', max_length=200, null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SensorCardCategory',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(help_text='The name for this sensor card category', max_length=200)),
+                ('key', models.CharField(help_text='The key to identify this sensor card category by in sensors.py', max_length=100)),
+            ],
+            options={
+                'verbose_name_plural': 'Sensor card categories',
+                'ordering': ['name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='SensorCategory',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(help_text='The name for this sensor category', max_length=200)),
+            ],
+            options={
+                'verbose_name_plural': 'Sensor categories',
+                'ordering': ['name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='SensorData',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_date', models.DateTimeField(auto_now_add=True)),
+                ('value', models.FloatField()),
+                ('sensor', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sensors.sensor')),
+            ],
+            options={
+                'verbose_name_plural': 'Sensor data',
+                'ordering': ['-created_date'],
+            },
+        ),
+        migrations.CreateModel(
+            name='SensorCard',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200)),
+                ('server', models.CharField(max_length=200)),
+                ('port', models.PositiveIntegerField()),
+                ('username', models.CharField(blank=True, max_length=100, null=True)),
+                ('password', models.CharField(blank=True, max_length=100, null=True)),
+                ('enabled', models.BooleanField(default=True)),
+                ('category', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sensors.sensorcardcategory')),
+            ],
+            options={
+                'ordering': ['server'],
+            },
+        ),
+        migrations.AddField(
+            model_name='sensor',
+            name='sensor_category',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='sensors.sensorcategory'),
+        ),
+        migrations.AddField(
+            model_name='sensor',
+            name='interlock_card',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='NEMO.interlockcard'),
+        ),
+        migrations.AddField(
+            model_name='sensor',
+            name='sensor_card',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='sensors.sensorcard'),
+        ),
+        migrations.AddField(
+            model_name='sensorcategory',
+            name='parent',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='children', to='sensors.sensorcategory'),
+        ),
+        migrations.CreateModel(
+            name='SensorAlertLog',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('time', models.DateTimeField(auto_now_add=True)),
+                ('value', models.FloatField(blank=True, null=True)),
+                ('reset', models.BooleanField(default=False)),
+                ('condition', models.TextField(blank=True, null=True)),
+                ('no_data', models.BooleanField(default=False)),
+                ('sensor', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sensors.sensor')),
+            ],
+            options={
+                'ordering': ['-time'],
+            },
+        ),
+        migrations.CreateModel(
+            name='SensorAlertEmail',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('enabled', models.BooleanField(default=True)),
+                ('trigger_no_data', models.BooleanField(default=False, help_text='Check this box to trigger this alert when no data is available')),
+                ('trigger_condition', models.TextField(blank=True, help_text='The trigger condition for this alert. The sensor value is available as a variable named <b>value</b>. e.g. value == 42 or value > 42.', null=True)),
+                ('triggered_on', models.DateTimeField(blank=True, null=True)),
+                ('additional_emails', NEMO.fields.MultiEmailField(blank=True, help_text='Additional email address to contact when this alert is triggered. A comma-separated list can be used.', max_length=2000, null=True)),
+                ('sensor', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sensors.sensor')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.RunPython(add_modbus_tcp_sensor_category),
+    ]
diff --git a/NEMO/apps/sensors/migrations/__init__.py b/NEMO/apps/sensors/migrations/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/NEMO/apps/sensors/models.py b/NEMO/apps/sensors/models.py
new file mode 100644
index 00000000..cf05756d
--- /dev/null
+++ b/NEMO/apps/sensors/models.py
@@ -0,0 +1,360 @@
+import datetime
+import random
+from logging import getLogger
+from typing import List, Optional
+
+from django.conf import settings
+from django.contrib.contenttypes.models import ContentType
+from django.core.exceptions import ValidationError
+from django.core.validators import MaxValueValidator, MinValueValidator
+from django.db import models
+from django.db.models import QuerySet
+from django.utils import timezone
+from django.utils.safestring import mark_safe
+
+from NEMO.apps.sensors.customizations import SensorCustomization
+from NEMO.apps.sensors.evaluators import evaluate_boolean_expression
+from NEMO.fields import MultiEmailField
+from NEMO.models import InterlockCard
+from NEMO.utilities import EmailCategory, format_datetime, send_mail
+
+models_logger = getLogger(__name__)
+
+
+class SensorCardCategory(models.Model):
+	name = models.CharField(max_length=200, help_text="The name for this sensor card category")
+	key = models.CharField(max_length=100, help_text="The key to identify this sensor card category by in sensors.py")
+
+	class Meta:
+		verbose_name_plural = "Sensor card categories"
+		ordering = ["name"]
+
+	def __str__(self):
+		return str(self.name)
+
+
+class SensorCard(models.Model):
+	name = models.CharField(max_length=200)
+	server = models.CharField(max_length=200)
+	port = models.PositiveIntegerField()
+	category = models.ForeignKey(SensorCardCategory, on_delete=models.CASCADE)
+	username = models.CharField(max_length=100, blank=True, null=True)
+	password = models.CharField(max_length=100, blank=True, null=True)
+	enabled = models.BooleanField(blank=False, null=False, default=True)
+
+	class Meta:
+		ordering = ["server"]
+
+	def __str__(self):
+		card_name = self.name + ": " if self.name else ""
+		return card_name + str(self.server)
+
+
+class SensorCategory(models.Model):
+	name = models.CharField(max_length=200, help_text="The name for this sensor category")
+	parent = models.ForeignKey(
+		"SensorCategory", related_name="children", null=True, blank=True, on_delete=models.SET_NULL
+	)
+
+	def is_leaf(self):
+		return not self.children.exists()
+
+	def all_children(self) -> List:
+		if not self.children.exists():
+			return []
+		all_children = []
+		for child in self.children.all():
+			all_children.extend([child, *child.all_children()])
+		return all_children
+
+	def ancestors(self, include_self: bool = False) -> List:
+		if not self.parent:
+			return []
+		ancestors = [*self.parent.ancestors(False), self.parent]
+		if include_self:
+			ancestors.append(self)
+		return ancestors
+
+	def alert_triggered(self):
+		for sensor in self.sensor_set.all():
+			if sensor.alert_triggered():
+				return True
+		for child in self.children.all():
+			if child.alert_triggered():
+				return True
+		return False
+
+	def __str__(self):
+		return str(self.name)
+
+	class Meta:
+		verbose_name_plural = "Sensor categories"
+		ordering = ["name"]
+
+
+class Sensor(models.Model):
+	name = models.CharField(max_length=200)
+	visible = models.BooleanField(
+		default=True, help_text="Specifies whether this sensor is visible in the sensor dashboard"
+	)
+	sensor_card = models.ForeignKey(SensorCard, blank=True, null=True, on_delete=models.CASCADE)
+	interlock_card = models.ForeignKey(InterlockCard, blank=True, null=True, on_delete=models.CASCADE)
+	sensor_category = models.ForeignKey(SensorCategory, blank=True, null=True, on_delete=models.SET_NULL)
+	data_label = models.CharField(blank=True, null=True, max_length=200, help_text="Label for graph and table data")
+	data_prefix = models.CharField(blank=True, null=True, max_length=100, help_text="Prefix for sensor data values")
+	data_suffix = models.CharField(blank=True, null=True, max_length=100, help_text="Suffix for sensor data values")
+	unit_id = models.PositiveIntegerField(null=True, blank=True)
+	read_address = models.PositiveIntegerField(null=True, blank=True)
+	number_of_values = models.PositiveIntegerField(null=True, blank=True, validators=[MinValueValidator(1)])
+	formula = models.TextField(
+		null=True,
+		blank=True,
+		help_text=mark_safe(
+			"Enter a formula to compute for this sensor values. The list of registers read is available as variable <b>registers</b>. Specific functions can be used based on the sensor type. See documentation for details."
+		),
+	)
+	read_frequency = models.PositiveIntegerField(
+		default=5,
+		validators=[MaxValueValidator(1440), MinValueValidator(0)],
+		help_text="Enter the read frequency in minutes. Every 2 hours = 120, etc. Max value is 1440 min (24hrs). Use 0 to disable sensor data read.",
+	)
+
+	@property
+	def card(self):
+		return self.sensor_card or self.interlock_card
+
+	def read_data(self, raise_exception=False):
+		from NEMO.apps.sensors import sensors
+
+		return sensors.get(self.card.category, raise_exception).read_values(self, raise_exception)
+
+	def last_data_point(self):
+		return SensorData.objects.filter(sensor=self).latest("created_date")
+
+	def clean(self):
+		from NEMO.apps.sensors import sensors
+
+		if not self.sensor_card and not self.interlock_card:
+			raise ValidationError({"sensor_card": "Please select either a sensor or interlock card"})
+		if self.sensor_card or self.interlock_card:
+			# Throw an error if no sensor implementation is present
+			try:
+				sensors.get(self.card.category, raise_exception=True)
+			except Exception as e:
+				key = "sensor_card" if self.sensor_card else "interlock_card"
+				raise ValidationError({key: str(e)})
+		if (
+				not self.formula
+				and self.read_address is not None
+				and self.number_of_values is not None
+				and self.number_of_values > 1
+		):
+			raise ValidationError({"formula": "This field is required when reading multiple values"})
+		if self.formula:
+			# Use random values to test the formula
+			registers = []
+			if self.read_address is not None and self.number_of_values:
+				for i in range(self.number_of_values):
+					registers.append(random.randint(0, 1000))
+			else:
+				registers = [random.randint(0, 1000)]
+			try:
+				sensors.get(self.card.category, raise_exception=True).evaluate_expression(self.formula, registers)
+			except Exception as e:
+				raise ValidationError({"formula": str(e)})
+
+	def alert_triggered(self) -> bool:
+		for alert_qs in SensorAlert.sensor_alert_filter(sensor=self):
+			if alert_qs.filter(triggered_on__isnull=False).exists():
+				return True
+		return False
+
+	def __str__(self):
+		return self.name
+
+
+class SensorData(models.Model):
+	sensor = models.ForeignKey(Sensor, on_delete=models.CASCADE)
+	created_date = models.DateTimeField(auto_now_add=True)
+	value = models.FloatField()
+
+	def display_value(self):
+		return f"{self.sensor.data_prefix + ' ' if self.sensor.data_prefix else ''}{self.value}{' ' + self.sensor.data_suffix if self.sensor.data_suffix else ''}"
+
+	class Meta:
+		verbose_name_plural = "Sensor data"
+		ordering = ["-created_date"]
+
+
+class SensorAlertLog(models.Model):
+	sensor = models.ForeignKey(Sensor, on_delete=models.CASCADE)
+	time = models.DateTimeField(auto_now_add=True)
+	value = models.FloatField(null=True, blank=True)
+	reset = models.BooleanField(default=False)
+	condition = models.TextField(null=True, blank=True)
+	no_data = models.BooleanField(default=False)
+
+	def description(self):
+		return get_alert_description(self.time, self.reset, self.condition, self.no_data, self.value)
+
+	class Meta:
+		ordering = ["-time"]
+
+
+class SensorAlert(models.Model):
+	enabled = models.BooleanField(default=True)
+	sensor = models.ForeignKey(Sensor, on_delete=models.CASCADE)
+	trigger_no_data = models.BooleanField(
+		default=False, help_text="Check this box to trigger this alert when no data is available"
+	)
+	trigger_condition = models.TextField(
+		null=True,
+		blank=True,
+		help_text=mark_safe(
+			"The trigger condition for this alert. The sensor value is available as a variable named <b>value</b>. e.g. value == 42 or value > 42."
+		),
+	)
+	triggered_on = models.DateTimeField(null=True, blank=True)
+
+	class Meta:
+		abstract = True
+
+	def _reset_alert(self, alert_time, value):
+		# Only reset if alert was previously triggered
+		if self.triggered_on:
+			self.set_alert_time(time=None)
+			self.log_alert(alert_time, reset=True, value=value)
+			self.reset_alert(alert_time, value)
+
+	def _trigger_alert(self, alert_time, value):
+		# Only trigger if alert is not currently triggered
+		if not self.triggered_on:
+			self.set_alert_time(time=alert_time)
+			self.log_alert(alert_time, reset=False, value=value)
+			self.trigger_alert(alert_time, value)
+
+	def clean(self):
+		if not self.trigger_condition and not self.trigger_no_data:
+			raise ValidationError(
+				{
+					"trigger_condition": "Please enter a trigger condition or set this alert to trigger when there is no data"
+				}
+			)
+		if self.trigger_condition:
+			# Use a random value to test the formula
+			value = random.uniform(0, 100)
+			try:
+				evaluate_boolean_expression(self.trigger_condition, value=value)
+			except Exception as e:
+				raise ValidationError({"trigger_condition": str(e)})
+
+	def set_alert_time(self, time: Optional[datetime.datetime]):
+		self.triggered_on = time
+		self.save()
+
+	def log_alert(self, time: datetime.datetime, reset: bool = False, value: float = None):
+		SensorAlertLog.objects.create(
+			time=time,
+			condition=self.trigger_condition,
+			sensor=self.sensor,
+			value=value,
+			reset=reset,
+			no_data=self.trigger_no_data,
+		)
+
+	def process(self, sensor_data: SensorData = None):
+		# 1. Alert should trigger on condition and when no data is present
+		# 2. Alert should trigger on condition only
+		# 3. Alert should trigger only when no data is present
+		now = timezone.now()
+		value: float = sensor_data.value if sensor_data else None
+		if self.trigger_condition and self.trigger_no_data:
+			# Case #1: alert triggered when either no data OR data and condition is met
+			if not value or evaluate_boolean_expression(self.trigger_condition, value=value):
+				self._trigger_alert(now, value)
+			# Case #1: alert reset when both data is present AND condition is not met
+			else:
+				self._reset_alert(now, value)
+		elif self.trigger_condition:
+			if value:
+				# Case #2: alert triggered when data is present AND condition is met
+				if evaluate_boolean_expression(self.trigger_condition, value=value):
+					self._trigger_alert(now, value)
+				# Case #2: alert reset when data is present AND condition is not met
+				else:
+					self._reset_alert(now, value)
+		else:
+			# Case #3: alert triggered when no data
+			if not value:
+				self._trigger_alert(now, value)
+			# Case #3: alert reset when data is present
+			else:
+				self._reset_alert(now, value)
+
+	def reset_alert(self, alert_time: datetime.datetime, value: float = None):
+		# This should be implemented in children of this class
+		pass
+
+	def trigger_alert(self, alert_time: datetime.datetime, value: float = None):
+		# This should be implemented in children of this class
+		pass
+
+	@classmethod
+	def sensor_alert_filter(cls, enabled=True, sensor=None) -> List[QuerySet]:
+		sensor_alert_qs = []
+		for sub_class in cls.__subclasses__():
+			sub_filter = sub_class.objects.all()
+			if enabled is not None:
+				sub_filter = sub_filter.filter(enabled=enabled)
+			if sensor:
+				sub_filter = sub_filter.filter(sensor=sensor)
+			sensor_alert_qs.append(sub_filter)
+		return sensor_alert_qs
+
+
+class SensorAlertEmail(SensorAlert):
+	additional_emails = MultiEmailField(
+		null=True, blank=True, help_text="Additional email address to contact when this alert is triggered. A comma-separated list can be used."
+	)
+
+	def reset_alert(self, alert_time: datetime.datetime, value: float = None):
+		subject = f"Alert reset for {self.sensor.name}"
+		message = get_alert_description(alert_time, True, self.trigger_condition, self.trigger_no_data, value)
+		self.send(subject, message)
+
+	def trigger_alert(self, alert_time: datetime.datetime, value: float = None):
+		subject = f"Alert triggered for {self.sensor.name}"
+		message = get_alert_description(alert_time, False, self.trigger_condition, self.trigger_no_data, value)
+		self.send(subject, message)
+
+	def send(self, subject, message):
+		email_to = SensorCustomization.get("sensor_alert_emails")
+		recipients = [e for e in email_to.split(",") if e]
+		if self.additional_emails:
+			recipients.extend(self.additional_emails)
+		if recipients:
+			send_mail(
+				subject=subject,
+				content=message,
+				from_email=settings.SERVER_EMAIL,
+				to=recipients,
+				email_category=EmailCategory.SENSORS,
+			)
+
+
+def get_alert_description(time, reset: bool, condition: str, no_data: bool, value: float):
+	if condition and value:
+		if reset:
+			trigger_reason = f'the value ({value}) didn\'t meet the alert condition: "{condition}" anymore'
+		else:
+			trigger_reason = f'the condition: "{condition}" was met with value={value}'
+	elif no_data and not value:
+		trigger_reason = f"there was no data"
+	elif value and reset:
+		trigger_reason = f"the sensor sent back value={value}"
+	else:
+		trigger_reason = None
+	alert_description = f"This alert was {'reset' if reset else 'triggered'} on {format_datetime(time)}"
+	if trigger_reason:
+		alert_description += f" because {trigger_reason}."
+	return alert_description
diff --git a/NEMO/apps/sensors/sensors.py b/NEMO/apps/sensors/sensors.py
new file mode 100644
index 00000000..e836f4f5
--- /dev/null
+++ b/NEMO/apps/sensors/sensors.py
@@ -0,0 +1,131 @@
+from abc import ABC, abstractmethod
+from logging import getLogger
+from typing import Dict, List
+
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext_lazy as _
+from pymodbus.client.sync import ModbusTcpClient
+
+from NEMO.apps.sensors.admin import SensorAdminForm, SensorCardAdminForm
+from NEMO.apps.sensors.evaluators import evaluate_expression, evaluate_modbus_expression
+from NEMO.apps.sensors.models import Sensor as Sensor_model, SensorAlert, SensorCardCategory, SensorData
+
+sensors_logger = getLogger(__name__)
+
+
+class Sensor(ABC):
+	"""
+	This interface allows for customization of Sensors features.
+	The only method that has to be implemented is the abstract method "do_read_values"
+
+	The method "clean_sensor_card" can be implemented to set validation rules for the sensor card with the same category
+
+	The sensor type should be set at the end of this file in the dictionary. The key is the key from SensorCardCategory, the value is the Sensor implementation.
+	"""
+
+	def clean_sensor_card(self, sensor_card_form: SensorCardAdminForm):
+		pass
+
+	def clean_sensor(self, sensor_form: SensorAdminForm):
+		pass
+
+	def read_values(self, sensor: Sensor_model, raise_exception=False):
+		if not sensor.card.enabled:
+			warning_message = f"{sensor.name} sensor interface mocked out because sensor card is disabled."
+			sensors_logger.warning(warning_message)
+			return warning_message
+
+		data = None
+		try:
+			registers = self.do_read_values(sensor)
+			data_value = self.evaluate_sensor(sensor, registers=registers)
+			if data_value:
+				data = SensorData.objects.create(sensor=sensor, value=data_value)
+				process_alerts(sensor, data)
+				return data
+		except Exception as error:
+			sensors_logger.error(error)
+			process_alerts(sensor, data)
+			if raise_exception:
+				raise
+			else:
+				return error
+
+	def evaluate_sensor(self, sensor, registers, raise_exception=True):
+		try:
+			if sensor.formula:
+				return self.evaluate_expression(sensor.formula, registers)
+			else:
+				return next(iter(registers or []), None)
+		except Exception as e:
+			sensors_logger.warning(e)
+			if raise_exception:
+				raise
+
+	def evaluate_expression(self, formula, registers):
+		return evaluate_expression(formula, registers=registers)
+
+	@abstractmethod
+	def do_read_values(self, sensor: Sensor_model) -> List:
+		pass
+
+
+def process_alerts(sensor: Sensor, sensor_data: SensorData = None):
+	try:
+		sensor_alerts = []
+		for sub_class in SensorAlert.__subclasses__():
+			sensor_alerts.extend(sub_class.objects.filter(enabled=True, sensor=sensor))
+		for alert in sensor_alerts:
+			alert.process(sensor_data)
+	except Exception as e:
+		sensors_logger.error(e)
+
+
+class ModbusTcpSensor(Sensor):
+	def clean_sensor(self, sensor_form: SensorAdminForm):
+		read_address = sensor_form.cleaned_data["read_address"]
+		number_of_values = sensor_form.cleaned_data["number_of_values"]
+		error = {}
+		if not read_address:
+			error["read_address"] = _("This field is required.")
+		if not number_of_values:
+			error["number_of_values"] = _("This field is required.")
+		if error:
+			raise ValidationError(error)
+
+	def do_read_values(self, sensor: Sensor_model) -> List:
+		client = ModbusTcpClient(sensor.card.server, port=sensor.card.port)
+		valid_connection = client.connect()
+		if not valid_connection:
+			raise Exception(f"Connection to server {sensor.card.server}:{sensor.card.port} could not be established")
+		kwargs = {"unit": sensor.unit_id} if sensor.unit_id is not None else {}
+		read_response = client.read_holding_registers(sensor.read_address, sensor.number_of_values, **kwargs)
+		if read_response.isError():
+			raise Exception(str(read_response))
+		return read_response.registers
+
+	def evaluate_expression(self, formula, registers):
+		# Here we are using an expanded evaluator which includes modbus specific functions
+		return evaluate_modbus_expression(formula, registers=registers)
+
+
+class NoOpSensor(Sensor):
+	def do_read_values(self, sensor: Sensor_model) -> List:
+		pass
+
+
+def get(category: SensorCardCategory, raise_exception=False):
+	"""	Returns the corresponding sensor implementation, and raises an exception if not found. """
+	sensor_impl = sensors.get(category.key, False)
+	if not sensor_impl:
+		if raise_exception:
+			raise Exception(
+				f"There is no sensor implementation for category: {category.name}. Please add one in sensors.py"
+			)
+		else:
+			return NoOpSensor()
+	else:
+		return sensor_impl
+
+
+sensors: Dict[str, Sensor] = {"modbus_tcp": ModbusTcpSensor()}
diff --git a/NEMO/apps/sensors/static/sensors/chart.js b/NEMO/apps/sensors/static/sensors/chart.js
new file mode 100644
index 00000000..58990616
--- /dev/null
+++ b/NEMO/apps/sensors/static/sensors/chart.js
@@ -0,0 +1,13269 @@
+/*!
+ * Chart.js v3.7.1
+ * https://www.chartjs.org
+ * (c) 2022 Chart.js Contributors
+ * Released under the MIT License
+ */
+(function (global, factory) {
+typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+typeof define === 'function' && define.amd ? define(factory) :
+(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Chart = factory());
+})(this, (function () { 'use strict';
+
+function fontString(pixelSize, fontStyle, fontFamily) {
+  return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;
+}
+const requestAnimFrame = (function() {
+  if (typeof window === 'undefined') {
+    return function(callback) {
+      return callback();
+    };
+  }
+  return window.requestAnimationFrame;
+}());
+function throttled(fn, thisArg, updateFn) {
+  const updateArgs = updateFn || ((args) => Array.prototype.slice.call(args));
+  let ticking = false;
+  let args = [];
+  return function(...rest) {
+    args = updateArgs(rest);
+    if (!ticking) {
+      ticking = true;
+      requestAnimFrame.call(window, () => {
+        ticking = false;
+        fn.apply(thisArg, args);
+      });
+    }
+  };
+}
+function debounce(fn, delay) {
+  let timeout;
+  return function(...args) {
+    if (delay) {
+      clearTimeout(timeout);
+      timeout = setTimeout(fn, delay, args);
+    } else {
+      fn.apply(this, args);
+    }
+    return delay;
+  };
+}
+const _toLeftRightCenter = (align) => align === 'start' ? 'left' : align === 'end' ? 'right' : 'center';
+const _alignStartEnd = (align, start, end) => align === 'start' ? start : align === 'end' ? end : (start + end) / 2;
+const _textX = (align, left, right, rtl) => {
+  const check = rtl ? 'left' : 'right';
+  return align === check ? right : align === 'center' ? (left + right) / 2 : left;
+};
+
+class Animator {
+  constructor() {
+    this._request = null;
+    this._charts = new Map();
+    this._running = false;
+    this._lastDate = undefined;
+  }
+  _notify(chart, anims, date, type) {
+    const callbacks = anims.listeners[type];
+    const numSteps = anims.duration;
+    callbacks.forEach(fn => fn({
+      chart,
+      initial: anims.initial,
+      numSteps,
+      currentStep: Math.min(date - anims.start, numSteps)
+    }));
+  }
+  _refresh() {
+    if (this._request) {
+      return;
+    }
+    this._running = true;
+    this._request = requestAnimFrame.call(window, () => {
+      this._update();
+      this._request = null;
+      if (this._running) {
+        this._refresh();
+      }
+    });
+  }
+  _update(date = Date.now()) {
+    let remaining = 0;
+    this._charts.forEach((anims, chart) => {
+      if (!anims.running || !anims.items.length) {
+        return;
+      }
+      const items = anims.items;
+      let i = items.length - 1;
+      let draw = false;
+      let item;
+      for (; i >= 0; --i) {
+        item = items[i];
+        if (item._active) {
+          if (item._total > anims.duration) {
+            anims.duration = item._total;
+          }
+          item.tick(date);
+          draw = true;
+        } else {
+          items[i] = items[items.length - 1];
+          items.pop();
+        }
+      }
+      if (draw) {
+        chart.draw();
+        this._notify(chart, anims, date, 'progress');
+      }
+      if (!items.length) {
+        anims.running = false;
+        this._notify(chart, anims, date, 'complete');
+        anims.initial = false;
+      }
+      remaining += items.length;
+    });
+    this._lastDate = date;
+    if (remaining === 0) {
+      this._running = false;
+    }
+  }
+  _getAnims(chart) {
+    const charts = this._charts;
+    let anims = charts.get(chart);
+    if (!anims) {
+      anims = {
+        running: false,
+        initial: true,
+        items: [],
+        listeners: {
+          complete: [],
+          progress: []
+        }
+      };
+      charts.set(chart, anims);
+    }
+    return anims;
+  }
+  listen(chart, event, cb) {
+    this._getAnims(chart).listeners[event].push(cb);
+  }
+  add(chart, items) {
+    if (!items || !items.length) {
+      return;
+    }
+    this._getAnims(chart).items.push(...items);
+  }
+  has(chart) {
+    return this._getAnims(chart).items.length > 0;
+  }
+  start(chart) {
+    const anims = this._charts.get(chart);
+    if (!anims) {
+      return;
+    }
+    anims.running = true;
+    anims.start = Date.now();
+    anims.duration = anims.items.reduce((acc, cur) => Math.max(acc, cur._duration), 0);
+    this._refresh();
+  }
+  running(chart) {
+    if (!this._running) {
+      return false;
+    }
+    const anims = this._charts.get(chart);
+    if (!anims || !anims.running || !anims.items.length) {
+      return false;
+    }
+    return true;
+  }
+  stop(chart) {
+    const anims = this._charts.get(chart);
+    if (!anims || !anims.items.length) {
+      return;
+    }
+    const items = anims.items;
+    let i = items.length - 1;
+    for (; i >= 0; --i) {
+      items[i].cancel();
+    }
+    anims.items = [];
+    this._notify(chart, anims, Date.now(), 'complete');
+  }
+  remove(chart) {
+    return this._charts.delete(chart);
+  }
+}
+var animator = new Animator();
+
+/*!
+ * @kurkle/color v0.1.9
+ * https://github.com/kurkle/color#readme
+ * (c) 2020 Jukka Kurkela
+ * Released under the MIT License
+ */
+const map$1 = {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, A: 10, B: 11, C: 12, D: 13, E: 14, F: 15, a: 10, b: 11, c: 12, d: 13, e: 14, f: 15};
+const hex = '0123456789ABCDEF';
+const h1 = (b) => hex[b & 0xF];
+const h2 = (b) => hex[(b & 0xF0) >> 4] + hex[b & 0xF];
+const eq = (b) => (((b & 0xF0) >> 4) === (b & 0xF));
+function isShort(v) {
+	return eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a);
+}
+function hexParse(str) {
+	var len = str.length;
+	var ret;
+	if (str[0] === '#') {
+		if (len === 4 || len === 5) {
+			ret = {
+				r: 255 & map$1[str[1]] * 17,
+				g: 255 & map$1[str[2]] * 17,
+				b: 255 & map$1[str[3]] * 17,
+				a: len === 5 ? map$1[str[4]] * 17 : 255
+			};
+		} else if (len === 7 || len === 9) {
+			ret = {
+				r: map$1[str[1]] << 4 | map$1[str[2]],
+				g: map$1[str[3]] << 4 | map$1[str[4]],
+				b: map$1[str[5]] << 4 | map$1[str[6]],
+				a: len === 9 ? (map$1[str[7]] << 4 | map$1[str[8]]) : 255
+			};
+		}
+	}
+	return ret;
+}
+function hexString(v) {
+	var f = isShort(v) ? h1 : h2;
+	return v
+		? '#' + f(v.r) + f(v.g) + f(v.b) + (v.a < 255 ? f(v.a) : '')
+		: v;
+}
+function round(v) {
+	return v + 0.5 | 0;
+}
+const lim = (v, l, h) => Math.max(Math.min(v, h), l);
+function p2b(v) {
+	return lim(round(v * 2.55), 0, 255);
+}
+function n2b(v) {
+	return lim(round(v * 255), 0, 255);
+}
+function b2n(v) {
+	return lim(round(v / 2.55) / 100, 0, 1);
+}
+function n2p(v) {
+	return lim(round(v * 100), 0, 100);
+}
+const RGB_RE = /^rgba?\(\s*([-+.\d]+)(%)?[\s,]+([-+.e\d]+)(%)?[\s,]+([-+.e\d]+)(%)?(?:[\s,/]+([-+.e\d]+)(%)?)?\s*\)$/;
+function rgbParse(str) {
+	const m = RGB_RE.exec(str);
+	let a = 255;
+	let r, g, b;
+	if (!m) {
+		return;
+	}
+	if (m[7] !== r) {
+		const v = +m[7];
+		a = 255 & (m[8] ? p2b(v) : v * 255);
+	}
+	r = +m[1];
+	g = +m[3];
+	b = +m[5];
+	r = 255 & (m[2] ? p2b(r) : r);
+	g = 255 & (m[4] ? p2b(g) : g);
+	b = 255 & (m[6] ? p2b(b) : b);
+	return {
+		r: r,
+		g: g,
+		b: b,
+		a: a
+	};
+}
+function rgbString(v) {
+	return v && (
+		v.a < 255
+			? `rgba(${v.r}, ${v.g}, ${v.b}, ${b2n(v.a)})`
+			: `rgb(${v.r}, ${v.g}, ${v.b})`
+	);
+}
+const HUE_RE = /^(hsla?|hwb|hsv)\(\s*([-+.e\d]+)(?:deg)?[\s,]+([-+.e\d]+)%[\s,]+([-+.e\d]+)%(?:[\s,]+([-+.e\d]+)(%)?)?\s*\)$/;
+function hsl2rgbn(h, s, l) {
+	const a = s * Math.min(l, 1 - l);
+	const f = (n, k = (n + h / 30) % 12) => l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);
+	return [f(0), f(8), f(4)];
+}
+function hsv2rgbn(h, s, v) {
+	const f = (n, k = (n + h / 60) % 6) => v - v * s * Math.max(Math.min(k, 4 - k, 1), 0);
+	return [f(5), f(3), f(1)];
+}
+function hwb2rgbn(h, w, b) {
+	const rgb = hsl2rgbn(h, 1, 0.5);
+	let i;
+	if (w + b > 1) {
+		i = 1 / (w + b);
+		w *= i;
+		b *= i;
+	}
+	for (i = 0; i < 3; i++) {
+		rgb[i] *= 1 - w - b;
+		rgb[i] += w;
+	}
+	return rgb;
+}
+function rgb2hsl(v) {
+	const range = 255;
+	const r = v.r / range;
+	const g = v.g / range;
+	const b = v.b / range;
+	const max = Math.max(r, g, b);
+	const min = Math.min(r, g, b);
+	const l = (max + min) / 2;
+	let h, s, d;
+	if (max !== min) {
+		d = max - min;
+		s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
+		h = max === r
+			? ((g - b) / d) + (g < b ? 6 : 0)
+			: max === g
+				? (b - r) / d + 2
+				: (r - g) / d + 4;
+		h = h * 60 + 0.5;
+	}
+	return [h | 0, s || 0, l];
+}
+function calln(f, a, b, c) {
+	return (
+		Array.isArray(a)
+			? f(a[0], a[1], a[2])
+			: f(a, b, c)
+	).map(n2b);
+}
+function hsl2rgb(h, s, l) {
+	return calln(hsl2rgbn, h, s, l);
+}
+function hwb2rgb(h, w, b) {
+	return calln(hwb2rgbn, h, w, b);
+}
+function hsv2rgb(h, s, v) {
+	return calln(hsv2rgbn, h, s, v);
+}
+function hue(h) {
+	return (h % 360 + 360) % 360;
+}
+function hueParse(str) {
+	const m = HUE_RE.exec(str);
+	let a = 255;
+	let v;
+	if (!m) {
+		return;
+	}
+	if (m[5] !== v) {
+		a = m[6] ? p2b(+m[5]) : n2b(+m[5]);
+	}
+	const h = hue(+m[2]);
+	const p1 = +m[3] / 100;
+	const p2 = +m[4] / 100;
+	if (m[1] === 'hwb') {
+		v = hwb2rgb(h, p1, p2);
+	} else if (m[1] === 'hsv') {
+		v = hsv2rgb(h, p1, p2);
+	} else {
+		v = hsl2rgb(h, p1, p2);
+	}
+	return {
+		r: v[0],
+		g: v[1],
+		b: v[2],
+		a: a
+	};
+}
+function rotate(v, deg) {
+	var h = rgb2hsl(v);
+	h[0] = hue(h[0] + deg);
+	h = hsl2rgb(h);
+	v.r = h[0];
+	v.g = h[1];
+	v.b = h[2];
+}
+function hslString(v) {
+	if (!v) {
+		return;
+	}
+	const a = rgb2hsl(v);
+	const h = a[0];
+	const s = n2p(a[1]);
+	const l = n2p(a[2]);
+	return v.a < 255
+		? `hsla(${h}, ${s}%, ${l}%, ${b2n(v.a)})`
+		: `hsl(${h}, ${s}%, ${l}%)`;
+}
+const map$1$1 = {
+	x: 'dark',
+	Z: 'light',
+	Y: 're',
+	X: 'blu',
+	W: 'gr',
+	V: 'medium',
+	U: 'slate',
+	A: 'ee',
+	T: 'ol',
+	S: 'or',
+	B: 'ra',
+	C: 'lateg',
+	D: 'ights',
+	R: 'in',
+	Q: 'turquois',
+	E: 'hi',
+	P: 'ro',
+	O: 'al',
+	N: 'le',
+	M: 'de',
+	L: 'yello',
+	F: 'en',
+	K: 'ch',
+	G: 'arks',
+	H: 'ea',
+	I: 'ightg',
+	J: 'wh'
+};
+const names = {
+	OiceXe: 'f0f8ff',
+	antiquewEte: 'faebd7',
+	aqua: 'ffff',
+	aquamarRe: '7fffd4',
+	azuY: 'f0ffff',
+	beige: 'f5f5dc',
+	bisque: 'ffe4c4',
+	black: '0',
+	blanKedOmond: 'ffebcd',
+	Xe: 'ff',
+	XeviTet: '8a2be2',
+	bPwn: 'a52a2a',
+	burlywood: 'deb887',
+	caMtXe: '5f9ea0',
+	KartYuse: '7fff00',
+	KocTate: 'd2691e',
+	cSO: 'ff7f50',
+	cSnflowerXe: '6495ed',
+	cSnsilk: 'fff8dc',
+	crimson: 'dc143c',
+	cyan: 'ffff',
+	xXe: '8b',
+	xcyan: '8b8b',
+	xgTMnPd: 'b8860b',
+	xWay: 'a9a9a9',
+	xgYF: '6400',
+	xgYy: 'a9a9a9',
+	xkhaki: 'bdb76b',
+	xmagFta: '8b008b',
+	xTivegYF: '556b2f',
+	xSange: 'ff8c00',
+	xScEd: '9932cc',
+	xYd: '8b0000',
+	xsOmon: 'e9967a',
+	xsHgYF: '8fbc8f',
+	xUXe: '483d8b',
+	xUWay: '2f4f4f',
+	xUgYy: '2f4f4f',
+	xQe: 'ced1',
+	xviTet: '9400d3',
+	dAppRk: 'ff1493',
+	dApskyXe: 'bfff',
+	dimWay: '696969',
+	dimgYy: '696969',
+	dodgerXe: '1e90ff',
+	fiYbrick: 'b22222',
+	flSOwEte: 'fffaf0',
+	foYstWAn: '228b22',
+	fuKsia: 'ff00ff',
+	gaRsbSo: 'dcdcdc',
+	ghostwEte: 'f8f8ff',
+	gTd: 'ffd700',
+	gTMnPd: 'daa520',
+	Way: '808080',
+	gYF: '8000',
+	gYFLw: 'adff2f',
+	gYy: '808080',
+	honeyMw: 'f0fff0',
+	hotpRk: 'ff69b4',
+	RdianYd: 'cd5c5c',
+	Rdigo: '4b0082',
+	ivSy: 'fffff0',
+	khaki: 'f0e68c',
+	lavFMr: 'e6e6fa',
+	lavFMrXsh: 'fff0f5',
+	lawngYF: '7cfc00',
+	NmoncEffon: 'fffacd',
+	ZXe: 'add8e6',
+	ZcSO: 'f08080',
+	Zcyan: 'e0ffff',
+	ZgTMnPdLw: 'fafad2',
+	ZWay: 'd3d3d3',
+	ZgYF: '90ee90',
+	ZgYy: 'd3d3d3',
+	ZpRk: 'ffb6c1',
+	ZsOmon: 'ffa07a',
+	ZsHgYF: '20b2aa',
+	ZskyXe: '87cefa',
+	ZUWay: '778899',
+	ZUgYy: '778899',
+	ZstAlXe: 'b0c4de',
+	ZLw: 'ffffe0',
+	lime: 'ff00',
+	limegYF: '32cd32',
+	lRF: 'faf0e6',
+	magFta: 'ff00ff',
+	maPon: '800000',
+	VaquamarRe: '66cdaa',
+	VXe: 'cd',
+	VScEd: 'ba55d3',
+	VpurpN: '9370db',
+	VsHgYF: '3cb371',
+	VUXe: '7b68ee',
+	VsprRggYF: 'fa9a',
+	VQe: '48d1cc',
+	VviTetYd: 'c71585',
+	midnightXe: '191970',
+	mRtcYam: 'f5fffa',
+	mistyPse: 'ffe4e1',
+	moccasR: 'ffe4b5',
+	navajowEte: 'ffdead',
+	navy: '80',
+	Tdlace: 'fdf5e6',
+	Tive: '808000',
+	TivedBb: '6b8e23',
+	Sange: 'ffa500',
+	SangeYd: 'ff4500',
+	ScEd: 'da70d6',
+	pOegTMnPd: 'eee8aa',
+	pOegYF: '98fb98',
+	pOeQe: 'afeeee',
+	pOeviTetYd: 'db7093',
+	papayawEp: 'ffefd5',
+	pHKpuff: 'ffdab9',
+	peru: 'cd853f',
+	pRk: 'ffc0cb',
+	plum: 'dda0dd',
+	powMrXe: 'b0e0e6',
+	purpN: '800080',
+	YbeccapurpN: '663399',
+	Yd: 'ff0000',
+	Psybrown: 'bc8f8f',
+	PyOXe: '4169e1',
+	saddNbPwn: '8b4513',
+	sOmon: 'fa8072',
+	sandybPwn: 'f4a460',
+	sHgYF: '2e8b57',
+	sHshell: 'fff5ee',
+	siFna: 'a0522d',
+	silver: 'c0c0c0',
+	skyXe: '87ceeb',
+	UXe: '6a5acd',
+	UWay: '708090',
+	UgYy: '708090',
+	snow: 'fffafa',
+	sprRggYF: 'ff7f',
+	stAlXe: '4682b4',
+	tan: 'd2b48c',
+	teO: '8080',
+	tEstN: 'd8bfd8',
+	tomato: 'ff6347',
+	Qe: '40e0d0',
+	viTet: 'ee82ee',
+	JHt: 'f5deb3',
+	wEte: 'ffffff',
+	wEtesmoke: 'f5f5f5',
+	Lw: 'ffff00',
+	LwgYF: '9acd32'
+};
+function unpack() {
+	const unpacked = {};
+	const keys = Object.keys(names);
+	const tkeys = Object.keys(map$1$1);
+	let i, j, k, ok, nk;
+	for (i = 0; i < keys.length; i++) {
+		ok = nk = keys[i];
+		for (j = 0; j < tkeys.length; j++) {
+			k = tkeys[j];
+			nk = nk.replace(k, map$1$1[k]);
+		}
+		k = parseInt(names[ok], 16);
+		unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF];
+	}
+	return unpacked;
+}
+let names$1;
+function nameParse(str) {
+	if (!names$1) {
+		names$1 = unpack();
+		names$1.transparent = [0, 0, 0, 0];
+	}
+	const a = names$1[str.toLowerCase()];
+	return a && {
+		r: a[0],
+		g: a[1],
+		b: a[2],
+		a: a.length === 4 ? a[3] : 255
+	};
+}
+function modHSL(v, i, ratio) {
+	if (v) {
+		let tmp = rgb2hsl(v);
+		tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1));
+		tmp = hsl2rgb(tmp);
+		v.r = tmp[0];
+		v.g = tmp[1];
+		v.b = tmp[2];
+	}
+}
+function clone$1(v, proto) {
+	return v ? Object.assign(proto || {}, v) : v;
+}
+function fromObject(input) {
+	var v = {r: 0, g: 0, b: 0, a: 255};
+	if (Array.isArray(input)) {
+		if (input.length >= 3) {
+			v = {r: input[0], g: input[1], b: input[2], a: 255};
+			if (input.length > 3) {
+				v.a = n2b(input[3]);
+			}
+		}
+	} else {
+		v = clone$1(input, {r: 0, g: 0, b: 0, a: 1});
+		v.a = n2b(v.a);
+	}
+	return v;
+}
+function functionParse(str) {
+	if (str.charAt(0) === 'r') {
+		return rgbParse(str);
+	}
+	return hueParse(str);
+}
+class Color {
+	constructor(input) {
+		if (input instanceof Color) {
+			return input;
+		}
+		const type = typeof input;
+		let v;
+		if (type === 'object') {
+			v = fromObject(input);
+		} else if (type === 'string') {
+			v = hexParse(input) || nameParse(input) || functionParse(input);
+		}
+		this._rgb = v;
+		this._valid = !!v;
+	}
+	get valid() {
+		return this._valid;
+	}
+	get rgb() {
+		var v = clone$1(this._rgb);
+		if (v) {
+			v.a = b2n(v.a);
+		}
+		return v;
+	}
+	set rgb(obj) {
+		this._rgb = fromObject(obj);
+	}
+	rgbString() {
+		return this._valid ? rgbString(this._rgb) : this._rgb;
+	}
+	hexString() {
+		return this._valid ? hexString(this._rgb) : this._rgb;
+	}
+	hslString() {
+		return this._valid ? hslString(this._rgb) : this._rgb;
+	}
+	mix(color, weight) {
+		const me = this;
+		if (color) {
+			const c1 = me.rgb;
+			const c2 = color.rgb;
+			let w2;
+			const p = weight === w2 ? 0.5 : weight;
+			const w = 2 * p - 1;
+			const a = c1.a - c2.a;
+			const w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0;
+			w2 = 1 - w1;
+			c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5;
+			c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5;
+			c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5;
+			c1.a = p * c1.a + (1 - p) * c2.a;
+			me.rgb = c1;
+		}
+		return me;
+	}
+	clone() {
+		return new Color(this.rgb);
+	}
+	alpha(a) {
+		this._rgb.a = n2b(a);
+		return this;
+	}
+	clearer(ratio) {
+		const rgb = this._rgb;
+		rgb.a *= 1 - ratio;
+		return this;
+	}
+	greyscale() {
+		const rgb = this._rgb;
+		const val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11);
+		rgb.r = rgb.g = rgb.b = val;
+		return this;
+	}
+	opaquer(ratio) {
+		const rgb = this._rgb;
+		rgb.a *= 1 + ratio;
+		return this;
+	}
+	negate() {
+		const v = this._rgb;
+		v.r = 255 - v.r;
+		v.g = 255 - v.g;
+		v.b = 255 - v.b;
+		return this;
+	}
+	lighten(ratio) {
+		modHSL(this._rgb, 2, ratio);
+		return this;
+	}
+	darken(ratio) {
+		modHSL(this._rgb, 2, -ratio);
+		return this;
+	}
+	saturate(ratio) {
+		modHSL(this._rgb, 1, ratio);
+		return this;
+	}
+	desaturate(ratio) {
+		modHSL(this._rgb, 1, -ratio);
+		return this;
+	}
+	rotate(deg) {
+		rotate(this._rgb, deg);
+		return this;
+	}
+}
+function index_esm(input) {
+	return new Color(input);
+}
+
+const isPatternOrGradient = (value) => value instanceof CanvasGradient || value instanceof CanvasPattern;
+function color(value) {
+  return isPatternOrGradient(value) ? value : index_esm(value);
+}
+function getHoverColor(value) {
+  return isPatternOrGradient(value)
+    ? value
+    : index_esm(value).saturate(0.5).darken(0.1).hexString();
+}
+
+function noop() {}
+const uid = (function() {
+  let id = 0;
+  return function() {
+    return id++;
+  };
+}());
+function isNullOrUndef(value) {
+  return value === null || typeof value === 'undefined';
+}
+function isArray(value) {
+  if (Array.isArray && Array.isArray(value)) {
+    return true;
+  }
+  const type = Object.prototype.toString.call(value);
+  if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') {
+    return true;
+  }
+  return false;
+}
+function isObject(value) {
+  return value !== null && Object.prototype.toString.call(value) === '[object Object]';
+}
+const isNumberFinite = (value) => (typeof value === 'number' || value instanceof Number) && isFinite(+value);
+function finiteOrDefault(value, defaultValue) {
+  return isNumberFinite(value) ? value : defaultValue;
+}
+function valueOrDefault(value, defaultValue) {
+  return typeof value === 'undefined' ? defaultValue : value;
+}
+const toPercentage = (value, dimension) =>
+  typeof value === 'string' && value.endsWith('%') ?
+    parseFloat(value) / 100
+    : value / dimension;
+const toDimension = (value, dimension) =>
+  typeof value === 'string' && value.endsWith('%') ?
+    parseFloat(value) / 100 * dimension
+    : +value;
+function callback(fn, args, thisArg) {
+  if (fn && typeof fn.call === 'function') {
+    return fn.apply(thisArg, args);
+  }
+}
+function each(loopable, fn, thisArg, reverse) {
+  let i, len, keys;
+  if (isArray(loopable)) {
+    len = loopable.length;
+    if (reverse) {
+      for (i = len - 1; i >= 0; i--) {
+        fn.call(thisArg, loopable[i], i);
+      }
+    } else {
+      for (i = 0; i < len; i++) {
+        fn.call(thisArg, loopable[i], i);
+      }
+    }
+  } else if (isObject(loopable)) {
+    keys = Object.keys(loopable);
+    len = keys.length;
+    for (i = 0; i < len; i++) {
+      fn.call(thisArg, loopable[keys[i]], keys[i]);
+    }
+  }
+}
+function _elementsEqual(a0, a1) {
+  let i, ilen, v0, v1;
+  if (!a0 || !a1 || a0.length !== a1.length) {
+    return false;
+  }
+  for (i = 0, ilen = a0.length; i < ilen; ++i) {
+    v0 = a0[i];
+    v1 = a1[i];
+    if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) {
+      return false;
+    }
+  }
+  return true;
+}
+function clone(source) {
+  if (isArray(source)) {
+    return source.map(clone);
+  }
+  if (isObject(source)) {
+    const target = Object.create(null);
+    const keys = Object.keys(source);
+    const klen = keys.length;
+    let k = 0;
+    for (; k < klen; ++k) {
+      target[keys[k]] = clone(source[keys[k]]);
+    }
+    return target;
+  }
+  return source;
+}
+function isValidKey(key) {
+  return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1;
+}
+function _merger(key, target, source, options) {
+  if (!isValidKey(key)) {
+    return;
+  }
+  const tval = target[key];
+  const sval = source[key];
+  if (isObject(tval) && isObject(sval)) {
+    merge(tval, sval, options);
+  } else {
+    target[key] = clone(sval);
+  }
+}
+function merge(target, source, options) {
+  const sources = isArray(source) ? source : [source];
+  const ilen = sources.length;
+  if (!isObject(target)) {
+    return target;
+  }
+  options = options || {};
+  const merger = options.merger || _merger;
+  for (let i = 0; i < ilen; ++i) {
+    source = sources[i];
+    if (!isObject(source)) {
+      continue;
+    }
+    const keys = Object.keys(source);
+    for (let k = 0, klen = keys.length; k < klen; ++k) {
+      merger(keys[k], target, source, options);
+    }
+  }
+  return target;
+}
+function mergeIf(target, source) {
+  return merge(target, source, {merger: _mergerIf});
+}
+function _mergerIf(key, target, source) {
+  if (!isValidKey(key)) {
+    return;
+  }
+  const tval = target[key];
+  const sval = source[key];
+  if (isObject(tval) && isObject(sval)) {
+    mergeIf(tval, sval);
+  } else if (!Object.prototype.hasOwnProperty.call(target, key)) {
+    target[key] = clone(sval);
+  }
+}
+function _deprecated(scope, value, previous, current) {
+  if (value !== undefined) {
+    console.warn(scope + ': "' + previous +
+			'" is deprecated. Please use "' + current + '" instead');
+  }
+}
+const emptyString = '';
+const dot = '.';
+function indexOfDotOrLength(key, start) {
+  const idx = key.indexOf(dot, start);
+  return idx === -1 ? key.length : idx;
+}
+function resolveObjectKey(obj, key) {
+  if (key === emptyString) {
+    return obj;
+  }
+  let pos = 0;
+  let idx = indexOfDotOrLength(key, pos);
+  while (obj && idx > pos) {
+    obj = obj[key.substr(pos, idx - pos)];
+    pos = idx + 1;
+    idx = indexOfDotOrLength(key, pos);
+  }
+  return obj;
+}
+function _capitalize(str) {
+  return str.charAt(0).toUpperCase() + str.slice(1);
+}
+const defined = (value) => typeof value !== 'undefined';
+const isFunction = (value) => typeof value === 'function';
+const setsEqual = (a, b) => {
+  if (a.size !== b.size) {
+    return false;
+  }
+  for (const item of a) {
+    if (!b.has(item)) {
+      return false;
+    }
+  }
+  return true;
+};
+function _isClickEvent(e) {
+  return e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu';
+}
+
+const overrides = Object.create(null);
+const descriptors = Object.create(null);
+function getScope$1(node, key) {
+  if (!key) {
+    return node;
+  }
+  const keys = key.split('.');
+  for (let i = 0, n = keys.length; i < n; ++i) {
+    const k = keys[i];
+    node = node[k] || (node[k] = Object.create(null));
+  }
+  return node;
+}
+function set(root, scope, values) {
+  if (typeof scope === 'string') {
+    return merge(getScope$1(root, scope), values);
+  }
+  return merge(getScope$1(root, ''), scope);
+}
+class Defaults {
+  constructor(_descriptors) {
+    this.animation = undefined;
+    this.backgroundColor = 'rgba(0,0,0,0.1)';
+    this.borderColor = 'rgba(0,0,0,0.1)';
+    this.color = '#666';
+    this.datasets = {};
+    this.devicePixelRatio = (context) => context.chart.platform.getDevicePixelRatio();
+    this.elements = {};
+    this.events = [
+      'mousemove',
+      'mouseout',
+      'click',
+      'touchstart',
+      'touchmove'
+    ];
+    this.font = {
+      family: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
+      size: 12,
+      style: 'normal',
+      lineHeight: 1.2,
+      weight: null
+    };
+    this.hover = {};
+    this.hoverBackgroundColor = (ctx, options) => getHoverColor(options.backgroundColor);
+    this.hoverBorderColor = (ctx, options) => getHoverColor(options.borderColor);
+    this.hoverColor = (ctx, options) => getHoverColor(options.color);
+    this.indexAxis = 'x';
+    this.interaction = {
+      mode: 'nearest',
+      intersect: true
+    };
+    this.maintainAspectRatio = true;
+    this.onHover = null;
+    this.onClick = null;
+    this.parsing = true;
+    this.plugins = {};
+    this.responsive = true;
+    this.scale = undefined;
+    this.scales = {};
+    this.showLine = true;
+    this.drawActiveElementsOnTop = true;
+    this.describe(_descriptors);
+  }
+  set(scope, values) {
+    return set(this, scope, values);
+  }
+  get(scope) {
+    return getScope$1(this, scope);
+  }
+  describe(scope, values) {
+    return set(descriptors, scope, values);
+  }
+  override(scope, values) {
+    return set(overrides, scope, values);
+  }
+  route(scope, name, targetScope, targetName) {
+    const scopeObject = getScope$1(this, scope);
+    const targetScopeObject = getScope$1(this, targetScope);
+    const privateName = '_' + name;
+    Object.defineProperties(scopeObject, {
+      [privateName]: {
+        value: scopeObject[name],
+        writable: true
+      },
+      [name]: {
+        enumerable: true,
+        get() {
+          const local = this[privateName];
+          const target = targetScopeObject[targetName];
+          if (isObject(local)) {
+            return Object.assign({}, target, local);
+          }
+          return valueOrDefault(local, target);
+        },
+        set(value) {
+          this[privateName] = value;
+        }
+      }
+    });
+  }
+}
+var defaults = new Defaults({
+  _scriptable: (name) => !name.startsWith('on'),
+  _indexable: (name) => name !== 'events',
+  hover: {
+    _fallback: 'interaction'
+  },
+  interaction: {
+    _scriptable: false,
+    _indexable: false,
+  }
+});
+
+const PI = Math.PI;
+const TAU = 2 * PI;
+const PITAU = TAU + PI;
+const INFINITY = Number.POSITIVE_INFINITY;
+const RAD_PER_DEG = PI / 180;
+const HALF_PI = PI / 2;
+const QUARTER_PI = PI / 4;
+const TWO_THIRDS_PI = PI * 2 / 3;
+const log10 = Math.log10;
+const sign = Math.sign;
+function niceNum(range) {
+  const roundedRange = Math.round(range);
+  range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range;
+  const niceRange = Math.pow(10, Math.floor(log10(range)));
+  const fraction = range / niceRange;
+  const niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10;
+  return niceFraction * niceRange;
+}
+function _factorize(value) {
+  const result = [];
+  const sqrt = Math.sqrt(value);
+  let i;
+  for (i = 1; i < sqrt; i++) {
+    if (value % i === 0) {
+      result.push(i);
+      result.push(value / i);
+    }
+  }
+  if (sqrt === (sqrt | 0)) {
+    result.push(sqrt);
+  }
+  result.sort((a, b) => a - b).pop();
+  return result;
+}
+function isNumber(n) {
+  return !isNaN(parseFloat(n)) && isFinite(n);
+}
+function almostEquals(x, y, epsilon) {
+  return Math.abs(x - y) < epsilon;
+}
+function almostWhole(x, epsilon) {
+  const rounded = Math.round(x);
+  return ((rounded - epsilon) <= x) && ((rounded + epsilon) >= x);
+}
+function _setMinAndMaxByKey(array, target, property) {
+  let i, ilen, value;
+  for (i = 0, ilen = array.length; i < ilen; i++) {
+    value = array[i][property];
+    if (!isNaN(value)) {
+      target.min = Math.min(target.min, value);
+      target.max = Math.max(target.max, value);
+    }
+  }
+}
+function toRadians(degrees) {
+  return degrees * (PI / 180);
+}
+function toDegrees(radians) {
+  return radians * (180 / PI);
+}
+function _decimalPlaces(x) {
+  if (!isNumberFinite(x)) {
+    return;
+  }
+  let e = 1;
+  let p = 0;
+  while (Math.round(x * e) / e !== x) {
+    e *= 10;
+    p++;
+  }
+  return p;
+}
+function getAngleFromPoint(centrePoint, anglePoint) {
+  const distanceFromXCenter = anglePoint.x - centrePoint.x;
+  const distanceFromYCenter = anglePoint.y - centrePoint.y;
+  const radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);
+  let angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);
+  if (angle < (-0.5 * PI)) {
+    angle += TAU;
+  }
+  return {
+    angle,
+    distance: radialDistanceFromCenter
+  };
+}
+function distanceBetweenPoints(pt1, pt2) {
+  return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));
+}
+function _angleDiff(a, b) {
+  return (a - b + PITAU) % TAU - PI;
+}
+function _normalizeAngle(a) {
+  return (a % TAU + TAU) % TAU;
+}
+function _angleBetween(angle, start, end, sameAngleIsFullCircle) {
+  const a = _normalizeAngle(angle);
+  const s = _normalizeAngle(start);
+  const e = _normalizeAngle(end);
+  const angleToStart = _normalizeAngle(s - a);
+  const angleToEnd = _normalizeAngle(e - a);
+  const startToAngle = _normalizeAngle(a - s);
+  const endToAngle = _normalizeAngle(a - e);
+  return a === s || a === e || (sameAngleIsFullCircle && s === e)
+    || (angleToStart > angleToEnd && startToAngle < endToAngle);
+}
+function _limitValue(value, min, max) {
+  return Math.max(min, Math.min(max, value));
+}
+function _int16Range(value) {
+  return _limitValue(value, -32768, 32767);
+}
+function _isBetween(value, start, end, epsilon = 1e-6) {
+  return value >= Math.min(start, end) - epsilon && value <= Math.max(start, end) + epsilon;
+}
+
+function toFontString(font) {
+  if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) {
+    return null;
+  }
+  return (font.style ? font.style + ' ' : '')
+		+ (font.weight ? font.weight + ' ' : '')
+		+ font.size + 'px '
+		+ font.family;
+}
+function _measureText(ctx, data, gc, longest, string) {
+  let textWidth = data[string];
+  if (!textWidth) {
+    textWidth = data[string] = ctx.measureText(string).width;
+    gc.push(string);
+  }
+  if (textWidth > longest) {
+    longest = textWidth;
+  }
+  return longest;
+}
+function _longestText(ctx, font, arrayOfThings, cache) {
+  cache = cache || {};
+  let data = cache.data = cache.data || {};
+  let gc = cache.garbageCollect = cache.garbageCollect || [];
+  if (cache.font !== font) {
+    data = cache.data = {};
+    gc = cache.garbageCollect = [];
+    cache.font = font;
+  }
+  ctx.save();
+  ctx.font = font;
+  let longest = 0;
+  const ilen = arrayOfThings.length;
+  let i, j, jlen, thing, nestedThing;
+  for (i = 0; i < ilen; i++) {
+    thing = arrayOfThings[i];
+    if (thing !== undefined && thing !== null && isArray(thing) !== true) {
+      longest = _measureText(ctx, data, gc, longest, thing);
+    } else if (isArray(thing)) {
+      for (j = 0, jlen = thing.length; j < jlen; j++) {
+        nestedThing = thing[j];
+        if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) {
+          longest = _measureText(ctx, data, gc, longest, nestedThing);
+        }
+      }
+    }
+  }
+  ctx.restore();
+  const gcLen = gc.length / 2;
+  if (gcLen > arrayOfThings.length) {
+    for (i = 0; i < gcLen; i++) {
+      delete data[gc[i]];
+    }
+    gc.splice(0, gcLen);
+  }
+  return longest;
+}
+function _alignPixel(chart, pixel, width) {
+  const devicePixelRatio = chart.currentDevicePixelRatio;
+  const halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0;
+  return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth;
+}
+function clearCanvas(canvas, ctx) {
+  ctx = ctx || canvas.getContext('2d');
+  ctx.save();
+  ctx.resetTransform();
+  ctx.clearRect(0, 0, canvas.width, canvas.height);
+  ctx.restore();
+}
+function drawPoint(ctx, options, x, y) {
+  let type, xOffset, yOffset, size, cornerRadius;
+  const style = options.pointStyle;
+  const rotation = options.rotation;
+  const radius = options.radius;
+  let rad = (rotation || 0) * RAD_PER_DEG;
+  if (style && typeof style === 'object') {
+    type = style.toString();
+    if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {
+      ctx.save();
+      ctx.translate(x, y);
+      ctx.rotate(rad);
+      ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);
+      ctx.restore();
+      return;
+    }
+  }
+  if (isNaN(radius) || radius <= 0) {
+    return;
+  }
+  ctx.beginPath();
+  switch (style) {
+  default:
+    ctx.arc(x, y, radius, 0, TAU);
+    ctx.closePath();
+    break;
+  case 'triangle':
+    ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+    rad += TWO_THIRDS_PI;
+    ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+    rad += TWO_THIRDS_PI;
+    ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+    ctx.closePath();
+    break;
+  case 'rectRounded':
+    cornerRadius = radius * 0.516;
+    size = radius - cornerRadius;
+    xOffset = Math.cos(rad + QUARTER_PI) * size;
+    yOffset = Math.sin(rad + QUARTER_PI) * size;
+    ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);
+    ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);
+    ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);
+    ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);
+    ctx.closePath();
+    break;
+  case 'rect':
+    if (!rotation) {
+      size = Math.SQRT1_2 * radius;
+      ctx.rect(x - size, y - size, 2 * size, 2 * size);
+      break;
+    }
+    rad += QUARTER_PI;
+  case 'rectRot':
+    xOffset = Math.cos(rad) * radius;
+    yOffset = Math.sin(rad) * radius;
+    ctx.moveTo(x - xOffset, y - yOffset);
+    ctx.lineTo(x + yOffset, y - xOffset);
+    ctx.lineTo(x + xOffset, y + yOffset);
+    ctx.lineTo(x - yOffset, y + xOffset);
+    ctx.closePath();
+    break;
+  case 'crossRot':
+    rad += QUARTER_PI;
+  case 'cross':
+    xOffset = Math.cos(rad) * radius;
+    yOffset = Math.sin(rad) * radius;
+    ctx.moveTo(x - xOffset, y - yOffset);
+    ctx.lineTo(x + xOffset, y + yOffset);
+    ctx.moveTo(x + yOffset, y - xOffset);
+    ctx.lineTo(x - yOffset, y + xOffset);
+    break;
+  case 'star':
+    xOffset = Math.cos(rad) * radius;
+    yOffset = Math.sin(rad) * radius;
+    ctx.moveTo(x - xOffset, y - yOffset);
+    ctx.lineTo(x + xOffset, y + yOffset);
+    ctx.moveTo(x + yOffset, y - xOffset);
+    ctx.lineTo(x - yOffset, y + xOffset);
+    rad += QUARTER_PI;
+    xOffset = Math.cos(rad) * radius;
+    yOffset = Math.sin(rad) * radius;
+    ctx.moveTo(x - xOffset, y - yOffset);
+    ctx.lineTo(x + xOffset, y + yOffset);
+    ctx.moveTo(x + yOffset, y - xOffset);
+    ctx.lineTo(x - yOffset, y + xOffset);
+    break;
+  case 'line':
+    xOffset = Math.cos(rad) * radius;
+    yOffset = Math.sin(rad) * radius;
+    ctx.moveTo(x - xOffset, y - yOffset);
+    ctx.lineTo(x + xOffset, y + yOffset);
+    break;
+  case 'dash':
+    ctx.moveTo(x, y);
+    ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);
+    break;
+  }
+  ctx.fill();
+  if (options.borderWidth > 0) {
+    ctx.stroke();
+  }
+}
+function _isPointInArea(point, area, margin) {
+  margin = margin || 0.5;
+  return !area || (point && point.x > area.left - margin && point.x < area.right + margin &&
+		point.y > area.top - margin && point.y < area.bottom + margin);
+}
+function clipArea(ctx, area) {
+  ctx.save();
+  ctx.beginPath();
+  ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);
+  ctx.clip();
+}
+function unclipArea(ctx) {
+  ctx.restore();
+}
+function _steppedLineTo(ctx, previous, target, flip, mode) {
+  if (!previous) {
+    return ctx.lineTo(target.x, target.y);
+  }
+  if (mode === 'middle') {
+    const midpoint = (previous.x + target.x) / 2.0;
+    ctx.lineTo(midpoint, previous.y);
+    ctx.lineTo(midpoint, target.y);
+  } else if (mode === 'after' !== !!flip) {
+    ctx.lineTo(previous.x, target.y);
+  } else {
+    ctx.lineTo(target.x, previous.y);
+  }
+  ctx.lineTo(target.x, target.y);
+}
+function _bezierCurveTo(ctx, previous, target, flip) {
+  if (!previous) {
+    return ctx.lineTo(target.x, target.y);
+  }
+  ctx.bezierCurveTo(
+    flip ? previous.cp1x : previous.cp2x,
+    flip ? previous.cp1y : previous.cp2y,
+    flip ? target.cp2x : target.cp1x,
+    flip ? target.cp2y : target.cp1y,
+    target.x,
+    target.y);
+}
+function renderText(ctx, text, x, y, font, opts = {}) {
+  const lines = isArray(text) ? text : [text];
+  const stroke = opts.strokeWidth > 0 && opts.strokeColor !== '';
+  let i, line;
+  ctx.save();
+  ctx.font = font.string;
+  setRenderOpts(ctx, opts);
+  for (i = 0; i < lines.length; ++i) {
+    line = lines[i];
+    if (stroke) {
+      if (opts.strokeColor) {
+        ctx.strokeStyle = opts.strokeColor;
+      }
+      if (!isNullOrUndef(opts.strokeWidth)) {
+        ctx.lineWidth = opts.strokeWidth;
+      }
+      ctx.strokeText(line, x, y, opts.maxWidth);
+    }
+    ctx.fillText(line, x, y, opts.maxWidth);
+    decorateText(ctx, x, y, line, opts);
+    y += font.lineHeight;
+  }
+  ctx.restore();
+}
+function setRenderOpts(ctx, opts) {
+  if (opts.translation) {
+    ctx.translate(opts.translation[0], opts.translation[1]);
+  }
+  if (!isNullOrUndef(opts.rotation)) {
+    ctx.rotate(opts.rotation);
+  }
+  if (opts.color) {
+    ctx.fillStyle = opts.color;
+  }
+  if (opts.textAlign) {
+    ctx.textAlign = opts.textAlign;
+  }
+  if (opts.textBaseline) {
+    ctx.textBaseline = opts.textBaseline;
+  }
+}
+function decorateText(ctx, x, y, line, opts) {
+  if (opts.strikethrough || opts.underline) {
+    const metrics = ctx.measureText(line);
+    const left = x - metrics.actualBoundingBoxLeft;
+    const right = x + metrics.actualBoundingBoxRight;
+    const top = y - metrics.actualBoundingBoxAscent;
+    const bottom = y + metrics.actualBoundingBoxDescent;
+    const yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom;
+    ctx.strokeStyle = ctx.fillStyle;
+    ctx.beginPath();
+    ctx.lineWidth = opts.decorationWidth || 2;
+    ctx.moveTo(left, yDecoration);
+    ctx.lineTo(right, yDecoration);
+    ctx.stroke();
+  }
+}
+function addRoundedRectPath(ctx, rect) {
+  const {x, y, w, h, radius} = rect;
+  ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, -HALF_PI, PI, true);
+  ctx.lineTo(x, y + h - radius.bottomLeft);
+  ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true);
+  ctx.lineTo(x + w - radius.bottomRight, y + h);
+  ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true);
+  ctx.lineTo(x + w, y + radius.topRight);
+  ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true);
+  ctx.lineTo(x + radius.topLeft, y);
+}
+
+function _lookup(table, value, cmp) {
+  cmp = cmp || ((index) => table[index] < value);
+  let hi = table.length - 1;
+  let lo = 0;
+  let mid;
+  while (hi - lo > 1) {
+    mid = (lo + hi) >> 1;
+    if (cmp(mid)) {
+      lo = mid;
+    } else {
+      hi = mid;
+    }
+  }
+  return {lo, hi};
+}
+const _lookupByKey = (table, key, value) =>
+  _lookup(table, value, index => table[index][key] < value);
+const _rlookupByKey = (table, key, value) =>
+  _lookup(table, value, index => table[index][key] >= value);
+function _filterBetween(values, min, max) {
+  let start = 0;
+  let end = values.length;
+  while (start < end && values[start] < min) {
+    start++;
+  }
+  while (end > start && values[end - 1] > max) {
+    end--;
+  }
+  return start > 0 || end < values.length
+    ? values.slice(start, end)
+    : values;
+}
+const arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];
+function listenArrayEvents(array, listener) {
+  if (array._chartjs) {
+    array._chartjs.listeners.push(listener);
+    return;
+  }
+  Object.defineProperty(array, '_chartjs', {
+    configurable: true,
+    enumerable: false,
+    value: {
+      listeners: [listener]
+    }
+  });
+  arrayEvents.forEach((key) => {
+    const method = '_onData' + _capitalize(key);
+    const base = array[key];
+    Object.defineProperty(array, key, {
+      configurable: true,
+      enumerable: false,
+      value(...args) {
+        const res = base.apply(this, args);
+        array._chartjs.listeners.forEach((object) => {
+          if (typeof object[method] === 'function') {
+            object[method](...args);
+          }
+        });
+        return res;
+      }
+    });
+  });
+}
+function unlistenArrayEvents(array, listener) {
+  const stub = array._chartjs;
+  if (!stub) {
+    return;
+  }
+  const listeners = stub.listeners;
+  const index = listeners.indexOf(listener);
+  if (index !== -1) {
+    listeners.splice(index, 1);
+  }
+  if (listeners.length > 0) {
+    return;
+  }
+  arrayEvents.forEach((key) => {
+    delete array[key];
+  });
+  delete array._chartjs;
+}
+function _arrayUnique(items) {
+  const set = new Set();
+  let i, ilen;
+  for (i = 0, ilen = items.length; i < ilen; ++i) {
+    set.add(items[i]);
+  }
+  if (set.size === ilen) {
+    return items;
+  }
+  return Array.from(set);
+}
+
+function _isDomSupported() {
+  return typeof window !== 'undefined' && typeof document !== 'undefined';
+}
+function _getParentNode(domNode) {
+  let parent = domNode.parentNode;
+  if (parent && parent.toString() === '[object ShadowRoot]') {
+    parent = parent.host;
+  }
+  return parent;
+}
+function parseMaxStyle(styleValue, node, parentProperty) {
+  let valueInPixels;
+  if (typeof styleValue === 'string') {
+    valueInPixels = parseInt(styleValue, 10);
+    if (styleValue.indexOf('%') !== -1) {
+      valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];
+    }
+  } else {
+    valueInPixels = styleValue;
+  }
+  return valueInPixels;
+}
+const getComputedStyle = (element) => window.getComputedStyle(element, null);
+function getStyle(el, property) {
+  return getComputedStyle(el).getPropertyValue(property);
+}
+const positions = ['top', 'right', 'bottom', 'left'];
+function getPositionedStyle(styles, style, suffix) {
+  const result = {};
+  suffix = suffix ? '-' + suffix : '';
+  for (let i = 0; i < 4; i++) {
+    const pos = positions[i];
+    result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0;
+  }
+  result.width = result.left + result.right;
+  result.height = result.top + result.bottom;
+  return result;
+}
+const useOffsetPos = (x, y, target) => (x > 0 || y > 0) && (!target || !target.shadowRoot);
+function getCanvasPosition(evt, canvas) {
+  const e = evt.native || evt;
+  const touches = e.touches;
+  const source = touches && touches.length ? touches[0] : e;
+  const {offsetX, offsetY} = source;
+  let box = false;
+  let x, y;
+  if (useOffsetPos(offsetX, offsetY, e.target)) {
+    x = offsetX;
+    y = offsetY;
+  } else {
+    const rect = canvas.getBoundingClientRect();
+    x = source.clientX - rect.left;
+    y = source.clientY - rect.top;
+    box = true;
+  }
+  return {x, y, box};
+}
+function getRelativePosition$1(evt, chart) {
+  const {canvas, currentDevicePixelRatio} = chart;
+  const style = getComputedStyle(canvas);
+  const borderBox = style.boxSizing === 'border-box';
+  const paddings = getPositionedStyle(style, 'padding');
+  const borders = getPositionedStyle(style, 'border', 'width');
+  const {x, y, box} = getCanvasPosition(evt, canvas);
+  const xOffset = paddings.left + (box && borders.left);
+  const yOffset = paddings.top + (box && borders.top);
+  let {width, height} = chart;
+  if (borderBox) {
+    width -= paddings.width + borders.width;
+    height -= paddings.height + borders.height;
+  }
+  return {
+    x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio),
+    y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio)
+  };
+}
+function getContainerSize(canvas, width, height) {
+  let maxWidth, maxHeight;
+  if (width === undefined || height === undefined) {
+    const container = _getParentNode(canvas);
+    if (!container) {
+      width = canvas.clientWidth;
+      height = canvas.clientHeight;
+    } else {
+      const rect = container.getBoundingClientRect();
+      const containerStyle = getComputedStyle(container);
+      const containerBorder = getPositionedStyle(containerStyle, 'border', 'width');
+      const containerPadding = getPositionedStyle(containerStyle, 'padding');
+      width = rect.width - containerPadding.width - containerBorder.width;
+      height = rect.height - containerPadding.height - containerBorder.height;
+      maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth');
+      maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight');
+    }
+  }
+  return {
+    width,
+    height,
+    maxWidth: maxWidth || INFINITY,
+    maxHeight: maxHeight || INFINITY
+  };
+}
+const round1 = v => Math.round(v * 10) / 10;
+function getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) {
+  const style = getComputedStyle(canvas);
+  const margins = getPositionedStyle(style, 'margin');
+  const maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY;
+  const maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY;
+  const containerSize = getContainerSize(canvas, bbWidth, bbHeight);
+  let {width, height} = containerSize;
+  if (style.boxSizing === 'content-box') {
+    const borders = getPositionedStyle(style, 'border', 'width');
+    const paddings = getPositionedStyle(style, 'padding');
+    width -= paddings.width + borders.width;
+    height -= paddings.height + borders.height;
+  }
+  width = Math.max(0, width - margins.width);
+  height = Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height - margins.height);
+  width = round1(Math.min(width, maxWidth, containerSize.maxWidth));
+  height = round1(Math.min(height, maxHeight, containerSize.maxHeight));
+  if (width && !height) {
+    height = round1(width / 2);
+  }
+  return {
+    width,
+    height
+  };
+}
+function retinaScale(chart, forceRatio, forceStyle) {
+  const pixelRatio = forceRatio || 1;
+  const deviceHeight = Math.floor(chart.height * pixelRatio);
+  const deviceWidth = Math.floor(chart.width * pixelRatio);
+  chart.height = deviceHeight / pixelRatio;
+  chart.width = deviceWidth / pixelRatio;
+  const canvas = chart.canvas;
+  if (canvas.style && (forceStyle || (!canvas.style.height && !canvas.style.width))) {
+    canvas.style.height = `${chart.height}px`;
+    canvas.style.width = `${chart.width}px`;
+  }
+  if (chart.currentDevicePixelRatio !== pixelRatio
+      || canvas.height !== deviceHeight
+      || canvas.width !== deviceWidth) {
+    chart.currentDevicePixelRatio = pixelRatio;
+    canvas.height = deviceHeight;
+    canvas.width = deviceWidth;
+    chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0);
+    return true;
+  }
+  return false;
+}
+const supportsEventListenerOptions = (function() {
+  let passiveSupported = false;
+  try {
+    const options = {
+      get passive() {
+        passiveSupported = true;
+        return false;
+      }
+    };
+    window.addEventListener('test', null, options);
+    window.removeEventListener('test', null, options);
+  } catch (e) {
+  }
+  return passiveSupported;
+}());
+function readUsedSize(element, property) {
+  const value = getStyle(element, property);
+  const matches = value && value.match(/^(\d+)(\.\d+)?px$/);
+  return matches ? +matches[1] : undefined;
+}
+
+function getRelativePosition(e, chart) {
+  if ('native' in e) {
+    return {
+      x: e.x,
+      y: e.y
+    };
+  }
+  return getRelativePosition$1(e, chart);
+}
+function evaluateAllVisibleItems(chart, handler) {
+  const metasets = chart.getSortedVisibleDatasetMetas();
+  let index, data, element;
+  for (let i = 0, ilen = metasets.length; i < ilen; ++i) {
+    ({index, data} = metasets[i]);
+    for (let j = 0, jlen = data.length; j < jlen; ++j) {
+      element = data[j];
+      if (!element.skip) {
+        handler(element, index, j);
+      }
+    }
+  }
+}
+function binarySearch(metaset, axis, value, intersect) {
+  const {controller, data, _sorted} = metaset;
+  const iScale = controller._cachedMeta.iScale;
+  if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) {
+    const lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey;
+    if (!intersect) {
+      return lookupMethod(data, axis, value);
+    } else if (controller._sharedOptions) {
+      const el = data[0];
+      const range = typeof el.getRange === 'function' && el.getRange(axis);
+      if (range) {
+        const start = lookupMethod(data, axis, value - range);
+        const end = lookupMethod(data, axis, value + range);
+        return {lo: start.lo, hi: end.hi};
+      }
+    }
+  }
+  return {lo: 0, hi: data.length - 1};
+}
+function optimizedEvaluateItems(chart, axis, position, handler, intersect) {
+  const metasets = chart.getSortedVisibleDatasetMetas();
+  const value = position[axis];
+  for (let i = 0, ilen = metasets.length; i < ilen; ++i) {
+    const {index, data} = metasets[i];
+    const {lo, hi} = binarySearch(metasets[i], axis, value, intersect);
+    for (let j = lo; j <= hi; ++j) {
+      const element = data[j];
+      if (!element.skip) {
+        handler(element, index, j);
+      }
+    }
+  }
+}
+function getDistanceMetricForAxis(axis) {
+  const useX = axis.indexOf('x') !== -1;
+  const useY = axis.indexOf('y') !== -1;
+  return function(pt1, pt2) {
+    const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;
+    const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;
+    return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));
+  };
+}
+function getIntersectItems(chart, position, axis, useFinalPosition) {
+  const items = [];
+  if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) {
+    return items;
+  }
+  const evaluationFunc = function(element, datasetIndex, index) {
+    if (element.inRange(position.x, position.y, useFinalPosition)) {
+      items.push({element, datasetIndex, index});
+    }
+  };
+  optimizedEvaluateItems(chart, axis, position, evaluationFunc, true);
+  return items;
+}
+function getNearestRadialItems(chart, position, axis, useFinalPosition) {
+  let items = [];
+  function evaluationFunc(element, datasetIndex, index) {
+    const {startAngle, endAngle} = element.getProps(['startAngle', 'endAngle'], useFinalPosition);
+    const {angle} = getAngleFromPoint(element, {x: position.x, y: position.y});
+    if (_angleBetween(angle, startAngle, endAngle)) {
+      items.push({element, datasetIndex, index});
+    }
+  }
+  optimizedEvaluateItems(chart, axis, position, evaluationFunc);
+  return items;
+}
+function getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition) {
+  let items = [];
+  const distanceMetric = getDistanceMetricForAxis(axis);
+  let minDistance = Number.POSITIVE_INFINITY;
+  function evaluationFunc(element, datasetIndex, index) {
+    const inRange = element.inRange(position.x, position.y, useFinalPosition);
+    if (intersect && !inRange) {
+      return;
+    }
+    const center = element.getCenterPoint(useFinalPosition);
+    const pointInArea = _isPointInArea(center, chart.chartArea, chart._minPadding);
+    if (!pointInArea && !inRange) {
+      return;
+    }
+    const distance = distanceMetric(position, center);
+    if (distance < minDistance) {
+      items = [{element, datasetIndex, index}];
+      minDistance = distance;
+    } else if (distance === minDistance) {
+      items.push({element, datasetIndex, index});
+    }
+  }
+  optimizedEvaluateItems(chart, axis, position, evaluationFunc);
+  return items;
+}
+function getNearestItems(chart, position, axis, intersect, useFinalPosition) {
+  if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) {
+    return [];
+  }
+  return axis === 'r' && !intersect
+    ? getNearestRadialItems(chart, position, axis, useFinalPosition)
+    : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition);
+}
+function getAxisItems(chart, e, options, useFinalPosition) {
+  const position = getRelativePosition(e, chart);
+  const items = [];
+  const axis = options.axis;
+  const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange';
+  let intersectsItem = false;
+  evaluateAllVisibleItems(chart, (element, datasetIndex, index) => {
+    if (element[rangeMethod](position[axis], useFinalPosition)) {
+      items.push({element, datasetIndex, index});
+    }
+    if (element.inRange(position.x, position.y, useFinalPosition)) {
+      intersectsItem = true;
+    }
+  });
+  if (options.intersect && !intersectsItem) {
+    return [];
+  }
+  return items;
+}
+var Interaction = {
+  modes: {
+    index(chart, e, options, useFinalPosition) {
+      const position = getRelativePosition(e, chart);
+      const axis = options.axis || 'x';
+      const items = options.intersect
+        ? getIntersectItems(chart, position, axis, useFinalPosition)
+        : getNearestItems(chart, position, axis, false, useFinalPosition);
+      const elements = [];
+      if (!items.length) {
+        return [];
+      }
+      chart.getSortedVisibleDatasetMetas().forEach((meta) => {
+        const index = items[0].index;
+        const element = meta.data[index];
+        if (element && !element.skip) {
+          elements.push({element, datasetIndex: meta.index, index});
+        }
+      });
+      return elements;
+    },
+    dataset(chart, e, options, useFinalPosition) {
+      const position = getRelativePosition(e, chart);
+      const axis = options.axis || 'xy';
+      let items = options.intersect
+        ? getIntersectItems(chart, position, axis, useFinalPosition) :
+        getNearestItems(chart, position, axis, false, useFinalPosition);
+      if (items.length > 0) {
+        const datasetIndex = items[0].datasetIndex;
+        const data = chart.getDatasetMeta(datasetIndex).data;
+        items = [];
+        for (let i = 0; i < data.length; ++i) {
+          items.push({element: data[i], datasetIndex, index: i});
+        }
+      }
+      return items;
+    },
+    point(chart, e, options, useFinalPosition) {
+      const position = getRelativePosition(e, chart);
+      const axis = options.axis || 'xy';
+      return getIntersectItems(chart, position, axis, useFinalPosition);
+    },
+    nearest(chart, e, options, useFinalPosition) {
+      const position = getRelativePosition(e, chart);
+      const axis = options.axis || 'xy';
+      return getNearestItems(chart, position, axis, options.intersect, useFinalPosition);
+    },
+    x(chart, e, options, useFinalPosition) {
+      return getAxisItems(chart, e, {axis: 'x', intersect: options.intersect}, useFinalPosition);
+    },
+    y(chart, e, options, useFinalPosition) {
+      return getAxisItems(chart, e, {axis: 'y', intersect: options.intersect}, useFinalPosition);
+    }
+  }
+};
+
+const LINE_HEIGHT = new RegExp(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/);
+const FONT_STYLE = new RegExp(/^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/);
+function toLineHeight(value, size) {
+  const matches = ('' + value).match(LINE_HEIGHT);
+  if (!matches || matches[1] === 'normal') {
+    return size * 1.2;
+  }
+  value = +matches[2];
+  switch (matches[3]) {
+  case 'px':
+    return value;
+  case '%':
+    value /= 100;
+    break;
+  }
+  return size * value;
+}
+const numberOrZero = v => +v || 0;
+function _readValueToProps(value, props) {
+  const ret = {};
+  const objProps = isObject(props);
+  const keys = objProps ? Object.keys(props) : props;
+  const read = isObject(value)
+    ? objProps
+      ? prop => valueOrDefault(value[prop], value[props[prop]])
+      : prop => value[prop]
+    : () => value;
+  for (const prop of keys) {
+    ret[prop] = numberOrZero(read(prop));
+  }
+  return ret;
+}
+function toTRBL(value) {
+  return _readValueToProps(value, {top: 'y', right: 'x', bottom: 'y', left: 'x'});
+}
+function toTRBLCorners(value) {
+  return _readValueToProps(value, ['topLeft', 'topRight', 'bottomLeft', 'bottomRight']);
+}
+function toPadding(value) {
+  const obj = toTRBL(value);
+  obj.width = obj.left + obj.right;
+  obj.height = obj.top + obj.bottom;
+  return obj;
+}
+function toFont(options, fallback) {
+  options = options || {};
+  fallback = fallback || defaults.font;
+  let size = valueOrDefault(options.size, fallback.size);
+  if (typeof size === 'string') {
+    size = parseInt(size, 10);
+  }
+  let style = valueOrDefault(options.style, fallback.style);
+  if (style && !('' + style).match(FONT_STYLE)) {
+    console.warn('Invalid font style specified: "' + style + '"');
+    style = '';
+  }
+  const font = {
+    family: valueOrDefault(options.family, fallback.family),
+    lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size),
+    size,
+    style,
+    weight: valueOrDefault(options.weight, fallback.weight),
+    string: ''
+  };
+  font.string = toFontString(font);
+  return font;
+}
+function resolve(inputs, context, index, info) {
+  let cacheable = true;
+  let i, ilen, value;
+  for (i = 0, ilen = inputs.length; i < ilen; ++i) {
+    value = inputs[i];
+    if (value === undefined) {
+      continue;
+    }
+    if (context !== undefined && typeof value === 'function') {
+      value = value(context);
+      cacheable = false;
+    }
+    if (index !== undefined && isArray(value)) {
+      value = value[index % value.length];
+      cacheable = false;
+    }
+    if (value !== undefined) {
+      if (info && !cacheable) {
+        info.cacheable = false;
+      }
+      return value;
+    }
+  }
+}
+function _addGrace(minmax, grace, beginAtZero) {
+  const {min, max} = minmax;
+  const change = toDimension(grace, (max - min) / 2);
+  const keepZero = (value, add) => beginAtZero && value === 0 ? 0 : value + add;
+  return {
+    min: keepZero(min, -Math.abs(change)),
+    max: keepZero(max, change)
+  };
+}
+function createContext(parentContext, context) {
+  return Object.assign(Object.create(parentContext), context);
+}
+
+const STATIC_POSITIONS = ['left', 'top', 'right', 'bottom'];
+function filterByPosition(array, position) {
+  return array.filter(v => v.pos === position);
+}
+function filterDynamicPositionByAxis(array, axis) {
+  return array.filter(v => STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis);
+}
+function sortByWeight(array, reverse) {
+  return array.sort((a, b) => {
+    const v0 = reverse ? b : a;
+    const v1 = reverse ? a : b;
+    return v0.weight === v1.weight ?
+      v0.index - v1.index :
+      v0.weight - v1.weight;
+  });
+}
+function wrapBoxes(boxes) {
+  const layoutBoxes = [];
+  let i, ilen, box, pos, stack, stackWeight;
+  for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {
+    box = boxes[i];
+    ({position: pos, options: {stack, stackWeight = 1}} = box);
+    layoutBoxes.push({
+      index: i,
+      box,
+      pos,
+      horizontal: box.isHorizontal(),
+      weight: box.weight,
+      stack: stack && (pos + stack),
+      stackWeight
+    });
+  }
+  return layoutBoxes;
+}
+function buildStacks(layouts) {
+  const stacks = {};
+  for (const wrap of layouts) {
+    const {stack, pos, stackWeight} = wrap;
+    if (!stack || !STATIC_POSITIONS.includes(pos)) {
+      continue;
+    }
+    const _stack = stacks[stack] || (stacks[stack] = {count: 0, placed: 0, weight: 0, size: 0});
+    _stack.count++;
+    _stack.weight += stackWeight;
+  }
+  return stacks;
+}
+function setLayoutDims(layouts, params) {
+  const stacks = buildStacks(layouts);
+  const {vBoxMaxWidth, hBoxMaxHeight} = params;
+  let i, ilen, layout;
+  for (i = 0, ilen = layouts.length; i < ilen; ++i) {
+    layout = layouts[i];
+    const {fullSize} = layout.box;
+    const stack = stacks[layout.stack];
+    const factor = stack && layout.stackWeight / stack.weight;
+    if (layout.horizontal) {
+      layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth;
+      layout.height = hBoxMaxHeight;
+    } else {
+      layout.width = vBoxMaxWidth;
+      layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight;
+    }
+  }
+  return stacks;
+}
+function buildLayoutBoxes(boxes) {
+  const layoutBoxes = wrapBoxes(boxes);
+  const fullSize = sortByWeight(layoutBoxes.filter(wrap => wrap.box.fullSize), true);
+  const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);
+  const right = sortByWeight(filterByPosition(layoutBoxes, 'right'));
+  const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);
+  const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));
+  const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x');
+  const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y');
+  return {
+    fullSize,
+    leftAndTop: left.concat(top),
+    rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal),
+    chartArea: filterByPosition(layoutBoxes, 'chartArea'),
+    vertical: left.concat(right).concat(centerVertical),
+    horizontal: top.concat(bottom).concat(centerHorizontal)
+  };
+}
+function getCombinedMax(maxPadding, chartArea, a, b) {
+  return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);
+}
+function updateMaxPadding(maxPadding, boxPadding) {
+  maxPadding.top = Math.max(maxPadding.top, boxPadding.top);
+  maxPadding.left = Math.max(maxPadding.left, boxPadding.left);
+  maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);
+  maxPadding.right = Math.max(maxPadding.right, boxPadding.right);
+}
+function updateDims(chartArea, params, layout, stacks) {
+  const {pos, box} = layout;
+  const maxPadding = chartArea.maxPadding;
+  if (!isObject(pos)) {
+    if (layout.size) {
+      chartArea[pos] -= layout.size;
+    }
+    const stack = stacks[layout.stack] || {size: 0, count: 1};
+    stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width);
+    layout.size = stack.size / stack.count;
+    chartArea[pos] += layout.size;
+  }
+  if (box.getPadding) {
+    updateMaxPadding(maxPadding, box.getPadding());
+  }
+  const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right'));
+  const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom'));
+  const widthChanged = newWidth !== chartArea.w;
+  const heightChanged = newHeight !== chartArea.h;
+  chartArea.w = newWidth;
+  chartArea.h = newHeight;
+  return layout.horizontal
+    ? {same: widthChanged, other: heightChanged}
+    : {same: heightChanged, other: widthChanged};
+}
+function handleMaxPadding(chartArea) {
+  const maxPadding = chartArea.maxPadding;
+  function updatePos(pos) {
+    const change = Math.max(maxPadding[pos] - chartArea[pos], 0);
+    chartArea[pos] += change;
+    return change;
+  }
+  chartArea.y += updatePos('top');
+  chartArea.x += updatePos('left');
+  updatePos('right');
+  updatePos('bottom');
+}
+function getMargins(horizontal, chartArea) {
+  const maxPadding = chartArea.maxPadding;
+  function marginForPositions(positions) {
+    const margin = {left: 0, top: 0, right: 0, bottom: 0};
+    positions.forEach((pos) => {
+      margin[pos] = Math.max(chartArea[pos], maxPadding[pos]);
+    });
+    return margin;
+  }
+  return horizontal
+    ? marginForPositions(['left', 'right'])
+    : marginForPositions(['top', 'bottom']);
+}
+function fitBoxes(boxes, chartArea, params, stacks) {
+  const refitBoxes = [];
+  let i, ilen, layout, box, refit, changed;
+  for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) {
+    layout = boxes[i];
+    box = layout.box;
+    box.update(
+      layout.width || chartArea.w,
+      layout.height || chartArea.h,
+      getMargins(layout.horizontal, chartArea)
+    );
+    const {same, other} = updateDims(chartArea, params, layout, stacks);
+    refit |= same && refitBoxes.length;
+    changed = changed || other;
+    if (!box.fullSize) {
+      refitBoxes.push(layout);
+    }
+  }
+  return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed;
+}
+function setBoxDims(box, left, top, width, height) {
+  box.top = top;
+  box.left = left;
+  box.right = left + width;
+  box.bottom = top + height;
+  box.width = width;
+  box.height = height;
+}
+function placeBoxes(boxes, chartArea, params, stacks) {
+  const userPadding = params.padding;
+  let {x, y} = chartArea;
+  for (const layout of boxes) {
+    const box = layout.box;
+    const stack = stacks[layout.stack] || {count: 1, placed: 0, weight: 1};
+    const weight = (layout.stackWeight / stack.weight) || 1;
+    if (layout.horizontal) {
+      const width = chartArea.w * weight;
+      const height = stack.size || box.height;
+      if (defined(stack.start)) {
+        y = stack.start;
+      }
+      if (box.fullSize) {
+        setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height);
+      } else {
+        setBoxDims(box, chartArea.left + stack.placed, y, width, height);
+      }
+      stack.start = y;
+      stack.placed += width;
+      y = box.bottom;
+    } else {
+      const height = chartArea.h * weight;
+      const width = stack.size || box.width;
+      if (defined(stack.start)) {
+        x = stack.start;
+      }
+      if (box.fullSize) {
+        setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top);
+      } else {
+        setBoxDims(box, x, chartArea.top + stack.placed, width, height);
+      }
+      stack.start = x;
+      stack.placed += height;
+      x = box.right;
+    }
+  }
+  chartArea.x = x;
+  chartArea.y = y;
+}
+defaults.set('layout', {
+  autoPadding: true,
+  padding: {
+    top: 0,
+    right: 0,
+    bottom: 0,
+    left: 0
+  }
+});
+var layouts = {
+  addBox(chart, item) {
+    if (!chart.boxes) {
+      chart.boxes = [];
+    }
+    item.fullSize = item.fullSize || false;
+    item.position = item.position || 'top';
+    item.weight = item.weight || 0;
+    item._layers = item._layers || function() {
+      return [{
+        z: 0,
+        draw(chartArea) {
+          item.draw(chartArea);
+        }
+      }];
+    };
+    chart.boxes.push(item);
+  },
+  removeBox(chart, layoutItem) {
+    const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;
+    if (index !== -1) {
+      chart.boxes.splice(index, 1);
+    }
+  },
+  configure(chart, item, options) {
+    item.fullSize = options.fullSize;
+    item.position = options.position;
+    item.weight = options.weight;
+  },
+  update(chart, width, height, minPadding) {
+    if (!chart) {
+      return;
+    }
+    const padding = toPadding(chart.options.layout.padding);
+    const availableWidth = Math.max(width - padding.width, 0);
+    const availableHeight = Math.max(height - padding.height, 0);
+    const boxes = buildLayoutBoxes(chart.boxes);
+    const verticalBoxes = boxes.vertical;
+    const horizontalBoxes = boxes.horizontal;
+    each(chart.boxes, box => {
+      if (typeof box.beforeLayout === 'function') {
+        box.beforeLayout();
+      }
+    });
+    const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap) =>
+      wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1;
+    const params = Object.freeze({
+      outerWidth: width,
+      outerHeight: height,
+      padding,
+      availableWidth,
+      availableHeight,
+      vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount,
+      hBoxMaxHeight: availableHeight / 2
+    });
+    const maxPadding = Object.assign({}, padding);
+    updateMaxPadding(maxPadding, toPadding(minPadding));
+    const chartArea = Object.assign({
+      maxPadding,
+      w: availableWidth,
+      h: availableHeight,
+      x: padding.left,
+      y: padding.top
+    }, padding);
+    const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params);
+    fitBoxes(boxes.fullSize, chartArea, params, stacks);
+    fitBoxes(verticalBoxes, chartArea, params, stacks);
+    if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) {
+      fitBoxes(verticalBoxes, chartArea, params, stacks);
+    }
+    handleMaxPadding(chartArea);
+    placeBoxes(boxes.leftAndTop, chartArea, params, stacks);
+    chartArea.x += chartArea.w;
+    chartArea.y += chartArea.h;
+    placeBoxes(boxes.rightAndBottom, chartArea, params, stacks);
+    chart.chartArea = {
+      left: chartArea.left,
+      top: chartArea.top,
+      right: chartArea.left + chartArea.w,
+      bottom: chartArea.top + chartArea.h,
+      height: chartArea.h,
+      width: chartArea.w,
+    };
+    each(boxes.chartArea, (layout) => {
+      const box = layout.box;
+      Object.assign(box, chart.chartArea);
+      box.update(chartArea.w, chartArea.h, {left: 0, top: 0, right: 0, bottom: 0});
+    });
+  }
+};
+
+function _createResolver(scopes, prefixes = [''], rootScopes = scopes, fallback, getTarget = () => scopes[0]) {
+  if (!defined(fallback)) {
+    fallback = _resolve('_fallback', scopes);
+  }
+  const cache = {
+    [Symbol.toStringTag]: 'Object',
+    _cacheable: true,
+    _scopes: scopes,
+    _rootScopes: rootScopes,
+    _fallback: fallback,
+    _getTarget: getTarget,
+    override: (scope) => _createResolver([scope, ...scopes], prefixes, rootScopes, fallback),
+  };
+  return new Proxy(cache, {
+    deleteProperty(target, prop) {
+      delete target[prop];
+      delete target._keys;
+      delete scopes[0][prop];
+      return true;
+    },
+    get(target, prop) {
+      return _cached(target, prop,
+        () => _resolveWithPrefixes(prop, prefixes, scopes, target));
+    },
+    getOwnPropertyDescriptor(target, prop) {
+      return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop);
+    },
+    getPrototypeOf() {
+      return Reflect.getPrototypeOf(scopes[0]);
+    },
+    has(target, prop) {
+      return getKeysFromAllScopes(target).includes(prop);
+    },
+    ownKeys(target) {
+      return getKeysFromAllScopes(target);
+    },
+    set(target, prop, value) {
+      const storage = target._storage || (target._storage = getTarget());
+      target[prop] = storage[prop] = value;
+      delete target._keys;
+      return true;
+    }
+  });
+}
+function _attachContext(proxy, context, subProxy, descriptorDefaults) {
+  const cache = {
+    _cacheable: false,
+    _proxy: proxy,
+    _context: context,
+    _subProxy: subProxy,
+    _stack: new Set(),
+    _descriptors: _descriptors(proxy, descriptorDefaults),
+    setContext: (ctx) => _attachContext(proxy, ctx, subProxy, descriptorDefaults),
+    override: (scope) => _attachContext(proxy.override(scope), context, subProxy, descriptorDefaults)
+  };
+  return new Proxy(cache, {
+    deleteProperty(target, prop) {
+      delete target[prop];
+      delete proxy[prop];
+      return true;
+    },
+    get(target, prop, receiver) {
+      return _cached(target, prop,
+        () => _resolveWithContext(target, prop, receiver));
+    },
+    getOwnPropertyDescriptor(target, prop) {
+      return target._descriptors.allKeys
+        ? Reflect.has(proxy, prop) ? {enumerable: true, configurable: true} : undefined
+        : Reflect.getOwnPropertyDescriptor(proxy, prop);
+    },
+    getPrototypeOf() {
+      return Reflect.getPrototypeOf(proxy);
+    },
+    has(target, prop) {
+      return Reflect.has(proxy, prop);
+    },
+    ownKeys() {
+      return Reflect.ownKeys(proxy);
+    },
+    set(target, prop, value) {
+      proxy[prop] = value;
+      delete target[prop];
+      return true;
+    }
+  });
+}
+function _descriptors(proxy, defaults = {scriptable: true, indexable: true}) {
+  const {_scriptable = defaults.scriptable, _indexable = defaults.indexable, _allKeys = defaults.allKeys} = proxy;
+  return {
+    allKeys: _allKeys,
+    scriptable: _scriptable,
+    indexable: _indexable,
+    isScriptable: isFunction(_scriptable) ? _scriptable : () => _scriptable,
+    isIndexable: isFunction(_indexable) ? _indexable : () => _indexable
+  };
+}
+const readKey = (prefix, name) => prefix ? prefix + _capitalize(name) : name;
+const needsSubResolver = (prop, value) => isObject(value) && prop !== 'adapters' &&
+  (Object.getPrototypeOf(value) === null || value.constructor === Object);
+function _cached(target, prop, resolve) {
+  if (Object.prototype.hasOwnProperty.call(target, prop)) {
+    return target[prop];
+  }
+  const value = resolve();
+  target[prop] = value;
+  return value;
+}
+function _resolveWithContext(target, prop, receiver) {
+  const {_proxy, _context, _subProxy, _descriptors: descriptors} = target;
+  let value = _proxy[prop];
+  if (isFunction(value) && descriptors.isScriptable(prop)) {
+    value = _resolveScriptable(prop, value, target, receiver);
+  }
+  if (isArray(value) && value.length) {
+    value = _resolveArray(prop, value, target, descriptors.isIndexable);
+  }
+  if (needsSubResolver(prop, value)) {
+    value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors);
+  }
+  return value;
+}
+function _resolveScriptable(prop, value, target, receiver) {
+  const {_proxy, _context, _subProxy, _stack} = target;
+  if (_stack.has(prop)) {
+    throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop);
+  }
+  _stack.add(prop);
+  value = value(_context, _subProxy || receiver);
+  _stack.delete(prop);
+  if (needsSubResolver(prop, value)) {
+    value = createSubResolver(_proxy._scopes, _proxy, prop, value);
+  }
+  return value;
+}
+function _resolveArray(prop, value, target, isIndexable) {
+  const {_proxy, _context, _subProxy, _descriptors: descriptors} = target;
+  if (defined(_context.index) && isIndexable(prop)) {
+    value = value[_context.index % value.length];
+  } else if (isObject(value[0])) {
+    const arr = value;
+    const scopes = _proxy._scopes.filter(s => s !== arr);
+    value = [];
+    for (const item of arr) {
+      const resolver = createSubResolver(scopes, _proxy, prop, item);
+      value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors));
+    }
+  }
+  return value;
+}
+function resolveFallback(fallback, prop, value) {
+  return isFunction(fallback) ? fallback(prop, value) : fallback;
+}
+const getScope = (key, parent) => key === true ? parent
+  : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined;
+function addScopes(set, parentScopes, key, parentFallback, value) {
+  for (const parent of parentScopes) {
+    const scope = getScope(key, parent);
+    if (scope) {
+      set.add(scope);
+      const fallback = resolveFallback(scope._fallback, key, value);
+      if (defined(fallback) && fallback !== key && fallback !== parentFallback) {
+        return fallback;
+      }
+    } else if (scope === false && defined(parentFallback) && key !== parentFallback) {
+      return null;
+    }
+  }
+  return false;
+}
+function createSubResolver(parentScopes, resolver, prop, value) {
+  const rootScopes = resolver._rootScopes;
+  const fallback = resolveFallback(resolver._fallback, prop, value);
+  const allScopes = [...parentScopes, ...rootScopes];
+  const set = new Set();
+  set.add(value);
+  let key = addScopesFromKey(set, allScopes, prop, fallback || prop, value);
+  if (key === null) {
+    return false;
+  }
+  if (defined(fallback) && fallback !== prop) {
+    key = addScopesFromKey(set, allScopes, fallback, key, value);
+    if (key === null) {
+      return false;
+    }
+  }
+  return _createResolver(Array.from(set), [''], rootScopes, fallback,
+    () => subGetTarget(resolver, prop, value));
+}
+function addScopesFromKey(set, allScopes, key, fallback, item) {
+  while (key) {
+    key = addScopes(set, allScopes, key, fallback, item);
+  }
+  return key;
+}
+function subGetTarget(resolver, prop, value) {
+  const parent = resolver._getTarget();
+  if (!(prop in parent)) {
+    parent[prop] = {};
+  }
+  const target = parent[prop];
+  if (isArray(target) && isObject(value)) {
+    return value;
+  }
+  return target;
+}
+function _resolveWithPrefixes(prop, prefixes, scopes, proxy) {
+  let value;
+  for (const prefix of prefixes) {
+    value = _resolve(readKey(prefix, prop), scopes);
+    if (defined(value)) {
+      return needsSubResolver(prop, value)
+        ? createSubResolver(scopes, proxy, prop, value)
+        : value;
+    }
+  }
+}
+function _resolve(key, scopes) {
+  for (const scope of scopes) {
+    if (!scope) {
+      continue;
+    }
+    const value = scope[key];
+    if (defined(value)) {
+      return value;
+    }
+  }
+}
+function getKeysFromAllScopes(target) {
+  let keys = target._keys;
+  if (!keys) {
+    keys = target._keys = resolveKeysFromAllScopes(target._scopes);
+  }
+  return keys;
+}
+function resolveKeysFromAllScopes(scopes) {
+  const set = new Set();
+  for (const scope of scopes) {
+    for (const key of Object.keys(scope).filter(k => !k.startsWith('_'))) {
+      set.add(key);
+    }
+  }
+  return Array.from(set);
+}
+
+const EPSILON = Number.EPSILON || 1e-14;
+const getPoint = (points, i) => i < points.length && !points[i].skip && points[i];
+const getValueAxis = (indexAxis) => indexAxis === 'x' ? 'y' : 'x';
+function splineCurve(firstPoint, middlePoint, afterPoint, t) {
+  const previous = firstPoint.skip ? middlePoint : firstPoint;
+  const current = middlePoint;
+  const next = afterPoint.skip ? middlePoint : afterPoint;
+  const d01 = distanceBetweenPoints(current, previous);
+  const d12 = distanceBetweenPoints(next, current);
+  let s01 = d01 / (d01 + d12);
+  let s12 = d12 / (d01 + d12);
+  s01 = isNaN(s01) ? 0 : s01;
+  s12 = isNaN(s12) ? 0 : s12;
+  const fa = t * s01;
+  const fb = t * s12;
+  return {
+    previous: {
+      x: current.x - fa * (next.x - previous.x),
+      y: current.y - fa * (next.y - previous.y)
+    },
+    next: {
+      x: current.x + fb * (next.x - previous.x),
+      y: current.y + fb * (next.y - previous.y)
+    }
+  };
+}
+function monotoneAdjust(points, deltaK, mK) {
+  const pointsLen = points.length;
+  let alphaK, betaK, tauK, squaredMagnitude, pointCurrent;
+  let pointAfter = getPoint(points, 0);
+  for (let i = 0; i < pointsLen - 1; ++i) {
+    pointCurrent = pointAfter;
+    pointAfter = getPoint(points, i + 1);
+    if (!pointCurrent || !pointAfter) {
+      continue;
+    }
+    if (almostEquals(deltaK[i], 0, EPSILON)) {
+      mK[i] = mK[i + 1] = 0;
+      continue;
+    }
+    alphaK = mK[i] / deltaK[i];
+    betaK = mK[i + 1] / deltaK[i];
+    squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);
+    if (squaredMagnitude <= 9) {
+      continue;
+    }
+    tauK = 3 / Math.sqrt(squaredMagnitude);
+    mK[i] = alphaK * tauK * deltaK[i];
+    mK[i + 1] = betaK * tauK * deltaK[i];
+  }
+}
+function monotoneCompute(points, mK, indexAxis = 'x') {
+  const valueAxis = getValueAxis(indexAxis);
+  const pointsLen = points.length;
+  let delta, pointBefore, pointCurrent;
+  let pointAfter = getPoint(points, 0);
+  for (let i = 0; i < pointsLen; ++i) {
+    pointBefore = pointCurrent;
+    pointCurrent = pointAfter;
+    pointAfter = getPoint(points, i + 1);
+    if (!pointCurrent) {
+      continue;
+    }
+    const iPixel = pointCurrent[indexAxis];
+    const vPixel = pointCurrent[valueAxis];
+    if (pointBefore) {
+      delta = (iPixel - pointBefore[indexAxis]) / 3;
+      pointCurrent[`cp1${indexAxis}`] = iPixel - delta;
+      pointCurrent[`cp1${valueAxis}`] = vPixel - delta * mK[i];
+    }
+    if (pointAfter) {
+      delta = (pointAfter[indexAxis] - iPixel) / 3;
+      pointCurrent[`cp2${indexAxis}`] = iPixel + delta;
+      pointCurrent[`cp2${valueAxis}`] = vPixel + delta * mK[i];
+    }
+  }
+}
+function splineCurveMonotone(points, indexAxis = 'x') {
+  const valueAxis = getValueAxis(indexAxis);
+  const pointsLen = points.length;
+  const deltaK = Array(pointsLen).fill(0);
+  const mK = Array(pointsLen);
+  let i, pointBefore, pointCurrent;
+  let pointAfter = getPoint(points, 0);
+  for (i = 0; i < pointsLen; ++i) {
+    pointBefore = pointCurrent;
+    pointCurrent = pointAfter;
+    pointAfter = getPoint(points, i + 1);
+    if (!pointCurrent) {
+      continue;
+    }
+    if (pointAfter) {
+      const slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis];
+      deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0;
+    }
+    mK[i] = !pointBefore ? deltaK[i]
+      : !pointAfter ? deltaK[i - 1]
+      : (sign(deltaK[i - 1]) !== sign(deltaK[i])) ? 0
+      : (deltaK[i - 1] + deltaK[i]) / 2;
+  }
+  monotoneAdjust(points, deltaK, mK);
+  monotoneCompute(points, mK, indexAxis);
+}
+function capControlPoint(pt, min, max) {
+  return Math.max(Math.min(pt, max), min);
+}
+function capBezierPoints(points, area) {
+  let i, ilen, point, inArea, inAreaPrev;
+  let inAreaNext = _isPointInArea(points[0], area);
+  for (i = 0, ilen = points.length; i < ilen; ++i) {
+    inAreaPrev = inArea;
+    inArea = inAreaNext;
+    inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area);
+    if (!inArea) {
+      continue;
+    }
+    point = points[i];
+    if (inAreaPrev) {
+      point.cp1x = capControlPoint(point.cp1x, area.left, area.right);
+      point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom);
+    }
+    if (inAreaNext) {
+      point.cp2x = capControlPoint(point.cp2x, area.left, area.right);
+      point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom);
+    }
+  }
+}
+function _updateBezierControlPoints(points, options, area, loop, indexAxis) {
+  let i, ilen, point, controlPoints;
+  if (options.spanGaps) {
+    points = points.filter((pt) => !pt.skip);
+  }
+  if (options.cubicInterpolationMode === 'monotone') {
+    splineCurveMonotone(points, indexAxis);
+  } else {
+    let prev = loop ? points[points.length - 1] : points[0];
+    for (i = 0, ilen = points.length; i < ilen; ++i) {
+      point = points[i];
+      controlPoints = splineCurve(
+        prev,
+        point,
+        points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen],
+        options.tension
+      );
+      point.cp1x = controlPoints.previous.x;
+      point.cp1y = controlPoints.previous.y;
+      point.cp2x = controlPoints.next.x;
+      point.cp2y = controlPoints.next.y;
+      prev = point;
+    }
+  }
+  if (options.capBezierPoints) {
+    capBezierPoints(points, area);
+  }
+}
+
+const atEdge = (t) => t === 0 || t === 1;
+const elasticIn = (t, s, p) => -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p));
+const elasticOut = (t, s, p) => Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1;
+const effects = {
+  linear: t => t,
+  easeInQuad: t => t * t,
+  easeOutQuad: t => -t * (t - 2),
+  easeInOutQuad: t => ((t /= 0.5) < 1)
+    ? 0.5 * t * t
+    : -0.5 * ((--t) * (t - 2) - 1),
+  easeInCubic: t => t * t * t,
+  easeOutCubic: t => (t -= 1) * t * t + 1,
+  easeInOutCubic: t => ((t /= 0.5) < 1)
+    ? 0.5 * t * t * t
+    : 0.5 * ((t -= 2) * t * t + 2),
+  easeInQuart: t => t * t * t * t,
+  easeOutQuart: t => -((t -= 1) * t * t * t - 1),
+  easeInOutQuart: t => ((t /= 0.5) < 1)
+    ? 0.5 * t * t * t * t
+    : -0.5 * ((t -= 2) * t * t * t - 2),
+  easeInQuint: t => t * t * t * t * t,
+  easeOutQuint: t => (t -= 1) * t * t * t * t + 1,
+  easeInOutQuint: t => ((t /= 0.5) < 1)
+    ? 0.5 * t * t * t * t * t
+    : 0.5 * ((t -= 2) * t * t * t * t + 2),
+  easeInSine: t => -Math.cos(t * HALF_PI) + 1,
+  easeOutSine: t => Math.sin(t * HALF_PI),
+  easeInOutSine: t => -0.5 * (Math.cos(PI * t) - 1),
+  easeInExpo: t => (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)),
+  easeOutExpo: t => (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1,
+  easeInOutExpo: t => atEdge(t) ? t : t < 0.5
+    ? 0.5 * Math.pow(2, 10 * (t * 2 - 1))
+    : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2),
+  easeInCirc: t => (t >= 1) ? t : -(Math.sqrt(1 - t * t) - 1),
+  easeOutCirc: t => Math.sqrt(1 - (t -= 1) * t),
+  easeInOutCirc: t => ((t /= 0.5) < 1)
+    ? -0.5 * (Math.sqrt(1 - t * t) - 1)
+    : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1),
+  easeInElastic: t => atEdge(t) ? t : elasticIn(t, 0.075, 0.3),
+  easeOutElastic: t => atEdge(t) ? t : elasticOut(t, 0.075, 0.3),
+  easeInOutElastic(t) {
+    const s = 0.1125;
+    const p = 0.45;
+    return atEdge(t) ? t :
+      t < 0.5
+        ? 0.5 * elasticIn(t * 2, s, p)
+        : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p);
+  },
+  easeInBack(t) {
+    const s = 1.70158;
+    return t * t * ((s + 1) * t - s);
+  },
+  easeOutBack(t) {
+    const s = 1.70158;
+    return (t -= 1) * t * ((s + 1) * t + s) + 1;
+  },
+  easeInOutBack(t) {
+    let s = 1.70158;
+    if ((t /= 0.5) < 1) {
+      return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));
+    }
+    return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
+  },
+  easeInBounce: t => 1 - effects.easeOutBounce(1 - t),
+  easeOutBounce(t) {
+    const m = 7.5625;
+    const d = 2.75;
+    if (t < (1 / d)) {
+      return m * t * t;
+    }
+    if (t < (2 / d)) {
+      return m * (t -= (1.5 / d)) * t + 0.75;
+    }
+    if (t < (2.5 / d)) {
+      return m * (t -= (2.25 / d)) * t + 0.9375;
+    }
+    return m * (t -= (2.625 / d)) * t + 0.984375;
+  },
+  easeInOutBounce: t => (t < 0.5)
+    ? effects.easeInBounce(t * 2) * 0.5
+    : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5,
+};
+
+function _pointInLine(p1, p2, t, mode) {
+  return {
+    x: p1.x + t * (p2.x - p1.x),
+    y: p1.y + t * (p2.y - p1.y)
+  };
+}
+function _steppedInterpolation(p1, p2, t, mode) {
+  return {
+    x: p1.x + t * (p2.x - p1.x),
+    y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y
+    : mode === 'after' ? t < 1 ? p1.y : p2.y
+    : t > 0 ? p2.y : p1.y
+  };
+}
+function _bezierInterpolation(p1, p2, t, mode) {
+  const cp1 = {x: p1.cp2x, y: p1.cp2y};
+  const cp2 = {x: p2.cp1x, y: p2.cp1y};
+  const a = _pointInLine(p1, cp1, t);
+  const b = _pointInLine(cp1, cp2, t);
+  const c = _pointInLine(cp2, p2, t);
+  const d = _pointInLine(a, b, t);
+  const e = _pointInLine(b, c, t);
+  return _pointInLine(d, e, t);
+}
+
+const intlCache = new Map();
+function getNumberFormat(locale, options) {
+  options = options || {};
+  const cacheKey = locale + JSON.stringify(options);
+  let formatter = intlCache.get(cacheKey);
+  if (!formatter) {
+    formatter = new Intl.NumberFormat(locale, options);
+    intlCache.set(cacheKey, formatter);
+  }
+  return formatter;
+}
+function formatNumber(num, locale, options) {
+  return getNumberFormat(locale, options).format(num);
+}
+
+const getRightToLeftAdapter = function(rectX, width) {
+  return {
+    x(x) {
+      return rectX + rectX + width - x;
+    },
+    setWidth(w) {
+      width = w;
+    },
+    textAlign(align) {
+      if (align === 'center') {
+        return align;
+      }
+      return align === 'right' ? 'left' : 'right';
+    },
+    xPlus(x, value) {
+      return x - value;
+    },
+    leftForLtr(x, itemWidth) {
+      return x - itemWidth;
+    },
+  };
+};
+const getLeftToRightAdapter = function() {
+  return {
+    x(x) {
+      return x;
+    },
+    setWidth(w) {
+    },
+    textAlign(align) {
+      return align;
+    },
+    xPlus(x, value) {
+      return x + value;
+    },
+    leftForLtr(x, _itemWidth) {
+      return x;
+    },
+  };
+};
+function getRtlAdapter(rtl, rectX, width) {
+  return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter();
+}
+function overrideTextDirection(ctx, direction) {
+  let style, original;
+  if (direction === 'ltr' || direction === 'rtl') {
+    style = ctx.canvas.style;
+    original = [
+      style.getPropertyValue('direction'),
+      style.getPropertyPriority('direction'),
+    ];
+    style.setProperty('direction', direction, 'important');
+    ctx.prevTextDirection = original;
+  }
+}
+function restoreTextDirection(ctx, original) {
+  if (original !== undefined) {
+    delete ctx.prevTextDirection;
+    ctx.canvas.style.setProperty('direction', original[0], original[1]);
+  }
+}
+
+function propertyFn(property) {
+  if (property === 'angle') {
+    return {
+      between: _angleBetween,
+      compare: _angleDiff,
+      normalize: _normalizeAngle,
+    };
+  }
+  return {
+    between: _isBetween,
+    compare: (a, b) => a - b,
+    normalize: x => x
+  };
+}
+function normalizeSegment({start, end, count, loop, style}) {
+  return {
+    start: start % count,
+    end: end % count,
+    loop: loop && (end - start + 1) % count === 0,
+    style
+  };
+}
+function getSegment(segment, points, bounds) {
+  const {property, start: startBound, end: endBound} = bounds;
+  const {between, normalize} = propertyFn(property);
+  const count = points.length;
+  let {start, end, loop} = segment;
+  let i, ilen;
+  if (loop) {
+    start += count;
+    end += count;
+    for (i = 0, ilen = count; i < ilen; ++i) {
+      if (!between(normalize(points[start % count][property]), startBound, endBound)) {
+        break;
+      }
+      start--;
+      end--;
+    }
+    start %= count;
+    end %= count;
+  }
+  if (end < start) {
+    end += count;
+  }
+  return {start, end, loop, style: segment.style};
+}
+function _boundSegment(segment, points, bounds) {
+  if (!bounds) {
+    return [segment];
+  }
+  const {property, start: startBound, end: endBound} = bounds;
+  const count = points.length;
+  const {compare, between, normalize} = propertyFn(property);
+  const {start, end, loop, style} = getSegment(segment, points, bounds);
+  const result = [];
+  let inside = false;
+  let subStart = null;
+  let value, point, prevValue;
+  const startIsBefore = () => between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0;
+  const endIsBefore = () => compare(endBound, value) === 0 || between(endBound, prevValue, value);
+  const shouldStart = () => inside || startIsBefore();
+  const shouldStop = () => !inside || endIsBefore();
+  for (let i = start, prev = start; i <= end; ++i) {
+    point = points[i % count];
+    if (point.skip) {
+      continue;
+    }
+    value = normalize(point[property]);
+    if (value === prevValue) {
+      continue;
+    }
+    inside = between(value, startBound, endBound);
+    if (subStart === null && shouldStart()) {
+      subStart = compare(value, startBound) === 0 ? i : prev;
+    }
+    if (subStart !== null && shouldStop()) {
+      result.push(normalizeSegment({start: subStart, end: i, loop, count, style}));
+      subStart = null;
+    }
+    prev = i;
+    prevValue = value;
+  }
+  if (subStart !== null) {
+    result.push(normalizeSegment({start: subStart, end, loop, count, style}));
+  }
+  return result;
+}
+function _boundSegments(line, bounds) {
+  const result = [];
+  const segments = line.segments;
+  for (let i = 0; i < segments.length; i++) {
+    const sub = _boundSegment(segments[i], line.points, bounds);
+    if (sub.length) {
+      result.push(...sub);
+    }
+  }
+  return result;
+}
+function findStartAndEnd(points, count, loop, spanGaps) {
+  let start = 0;
+  let end = count - 1;
+  if (loop && !spanGaps) {
+    while (start < count && !points[start].skip) {
+      start++;
+    }
+  }
+  while (start < count && points[start].skip) {
+    start++;
+  }
+  start %= count;
+  if (loop) {
+    end += start;
+  }
+  while (end > start && points[end % count].skip) {
+    end--;
+  }
+  end %= count;
+  return {start, end};
+}
+function solidSegments(points, start, max, loop) {
+  const count = points.length;
+  const result = [];
+  let last = start;
+  let prev = points[start];
+  let end;
+  for (end = start + 1; end <= max; ++end) {
+    const cur = points[end % count];
+    if (cur.skip || cur.stop) {
+      if (!prev.skip) {
+        loop = false;
+        result.push({start: start % count, end: (end - 1) % count, loop});
+        start = last = cur.stop ? end : null;
+      }
+    } else {
+      last = end;
+      if (prev.skip) {
+        start = end;
+      }
+    }
+    prev = cur;
+  }
+  if (last !== null) {
+    result.push({start: start % count, end: last % count, loop});
+  }
+  return result;
+}
+function _computeSegments(line, segmentOptions) {
+  const points = line.points;
+  const spanGaps = line.options.spanGaps;
+  const count = points.length;
+  if (!count) {
+    return [];
+  }
+  const loop = !!line._loop;
+  const {start, end} = findStartAndEnd(points, count, loop, spanGaps);
+  if (spanGaps === true) {
+    return splitByStyles(line, [{start, end, loop}], points, segmentOptions);
+  }
+  const max = end < start ? end + count : end;
+  const completeLoop = !!line._fullLoop && start === 0 && end === count - 1;
+  return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions);
+}
+function splitByStyles(line, segments, points, segmentOptions) {
+  if (!segmentOptions || !segmentOptions.setContext || !points) {
+    return segments;
+  }
+  return doSplitByStyles(line, segments, points, segmentOptions);
+}
+function doSplitByStyles(line, segments, points, segmentOptions) {
+  const chartContext = line._chart.getContext();
+  const baseStyle = readStyle(line.options);
+  const {_datasetIndex: datasetIndex, options: {spanGaps}} = line;
+  const count = points.length;
+  const result = [];
+  let prevStyle = baseStyle;
+  let start = segments[0].start;
+  let i = start;
+  function addStyle(s, e, l, st) {
+    const dir = spanGaps ? -1 : 1;
+    if (s === e) {
+      return;
+    }
+    s += count;
+    while (points[s % count].skip) {
+      s -= dir;
+    }
+    while (points[e % count].skip) {
+      e += dir;
+    }
+    if (s % count !== e % count) {
+      result.push({start: s % count, end: e % count, loop: l, style: st});
+      prevStyle = st;
+      start = e % count;
+    }
+  }
+  for (const segment of segments) {
+    start = spanGaps ? start : segment.start;
+    let prev = points[start % count];
+    let style;
+    for (i = start + 1; i <= segment.end; i++) {
+      const pt = points[i % count];
+      style = readStyle(segmentOptions.setContext(createContext(chartContext, {
+        type: 'segment',
+        p0: prev,
+        p1: pt,
+        p0DataIndex: (i - 1) % count,
+        p1DataIndex: i % count,
+        datasetIndex
+      })));
+      if (styleChanged(style, prevStyle)) {
+        addStyle(start, i - 1, segment.loop, prevStyle);
+      }
+      prev = pt;
+      prevStyle = style;
+    }
+    if (start < i - 1) {
+      addStyle(start, i - 1, segment.loop, prevStyle);
+    }
+  }
+  return result;
+}
+function readStyle(options) {
+  return {
+    backgroundColor: options.backgroundColor,
+    borderCapStyle: options.borderCapStyle,
+    borderDash: options.borderDash,
+    borderDashOffset: options.borderDashOffset,
+    borderJoinStyle: options.borderJoinStyle,
+    borderWidth: options.borderWidth,
+    borderColor: options.borderColor
+  };
+}
+function styleChanged(style, prevStyle) {
+  return prevStyle && JSON.stringify(style) !== JSON.stringify(prevStyle);
+}
+
+var helpers = /*#__PURE__*/Object.freeze({
+__proto__: null,
+easingEffects: effects,
+color: color,
+getHoverColor: getHoverColor,
+noop: noop,
+uid: uid,
+isNullOrUndef: isNullOrUndef,
+isArray: isArray,
+isObject: isObject,
+isFinite: isNumberFinite,
+finiteOrDefault: finiteOrDefault,
+valueOrDefault: valueOrDefault,
+toPercentage: toPercentage,
+toDimension: toDimension,
+callback: callback,
+each: each,
+_elementsEqual: _elementsEqual,
+clone: clone,
+_merger: _merger,
+merge: merge,
+mergeIf: mergeIf,
+_mergerIf: _mergerIf,
+_deprecated: _deprecated,
+resolveObjectKey: resolveObjectKey,
+_capitalize: _capitalize,
+defined: defined,
+isFunction: isFunction,
+setsEqual: setsEqual,
+_isClickEvent: _isClickEvent,
+toFontString: toFontString,
+_measureText: _measureText,
+_longestText: _longestText,
+_alignPixel: _alignPixel,
+clearCanvas: clearCanvas,
+drawPoint: drawPoint,
+_isPointInArea: _isPointInArea,
+clipArea: clipArea,
+unclipArea: unclipArea,
+_steppedLineTo: _steppedLineTo,
+_bezierCurveTo: _bezierCurveTo,
+renderText: renderText,
+addRoundedRectPath: addRoundedRectPath,
+_lookup: _lookup,
+_lookupByKey: _lookupByKey,
+_rlookupByKey: _rlookupByKey,
+_filterBetween: _filterBetween,
+listenArrayEvents: listenArrayEvents,
+unlistenArrayEvents: unlistenArrayEvents,
+_arrayUnique: _arrayUnique,
+_createResolver: _createResolver,
+_attachContext: _attachContext,
+_descriptors: _descriptors,
+splineCurve: splineCurve,
+splineCurveMonotone: splineCurveMonotone,
+_updateBezierControlPoints: _updateBezierControlPoints,
+_isDomSupported: _isDomSupported,
+_getParentNode: _getParentNode,
+getStyle: getStyle,
+getRelativePosition: getRelativePosition$1,
+getMaximumSize: getMaximumSize,
+retinaScale: retinaScale,
+supportsEventListenerOptions: supportsEventListenerOptions,
+readUsedSize: readUsedSize,
+fontString: fontString,
+requestAnimFrame: requestAnimFrame,
+throttled: throttled,
+debounce: debounce,
+_toLeftRightCenter: _toLeftRightCenter,
+_alignStartEnd: _alignStartEnd,
+_textX: _textX,
+_pointInLine: _pointInLine,
+_steppedInterpolation: _steppedInterpolation,
+_bezierInterpolation: _bezierInterpolation,
+formatNumber: formatNumber,
+toLineHeight: toLineHeight,
+_readValueToProps: _readValueToProps,
+toTRBL: toTRBL,
+toTRBLCorners: toTRBLCorners,
+toPadding: toPadding,
+toFont: toFont,
+resolve: resolve,
+_addGrace: _addGrace,
+createContext: createContext,
+PI: PI,
+TAU: TAU,
+PITAU: PITAU,
+INFINITY: INFINITY,
+RAD_PER_DEG: RAD_PER_DEG,
+HALF_PI: HALF_PI,
+QUARTER_PI: QUARTER_PI,
+TWO_THIRDS_PI: TWO_THIRDS_PI,
+log10: log10,
+sign: sign,
+niceNum: niceNum,
+_factorize: _factorize,
+isNumber: isNumber,
+almostEquals: almostEquals,
+almostWhole: almostWhole,
+_setMinAndMaxByKey: _setMinAndMaxByKey,
+toRadians: toRadians,
+toDegrees: toDegrees,
+_decimalPlaces: _decimalPlaces,
+getAngleFromPoint: getAngleFromPoint,
+distanceBetweenPoints: distanceBetweenPoints,
+_angleDiff: _angleDiff,
+_normalizeAngle: _normalizeAngle,
+_angleBetween: _angleBetween,
+_limitValue: _limitValue,
+_int16Range: _int16Range,
+_isBetween: _isBetween,
+getRtlAdapter: getRtlAdapter,
+overrideTextDirection: overrideTextDirection,
+restoreTextDirection: restoreTextDirection,
+_boundSegment: _boundSegment,
+_boundSegments: _boundSegments,
+_computeSegments: _computeSegments
+});
+
+class BasePlatform {
+  acquireContext(canvas, aspectRatio) {}
+  releaseContext(context) {
+    return false;
+  }
+  addEventListener(chart, type, listener) {}
+  removeEventListener(chart, type, listener) {}
+  getDevicePixelRatio() {
+    return 1;
+  }
+  getMaximumSize(element, width, height, aspectRatio) {
+    width = Math.max(0, width || element.width);
+    height = height || element.height;
+    return {
+      width,
+      height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height)
+    };
+  }
+  isAttached(canvas) {
+    return true;
+  }
+  updateConfig(config) {
+  }
+}
+
+class BasicPlatform extends BasePlatform {
+  acquireContext(item) {
+    return item && item.getContext && item.getContext('2d') || null;
+  }
+  updateConfig(config) {
+    config.options.animation = false;
+  }
+}
+
+const EXPANDO_KEY = '$chartjs';
+const EVENT_TYPES = {
+  touchstart: 'mousedown',
+  touchmove: 'mousemove',
+  touchend: 'mouseup',
+  pointerenter: 'mouseenter',
+  pointerdown: 'mousedown',
+  pointermove: 'mousemove',
+  pointerup: 'mouseup',
+  pointerleave: 'mouseout',
+  pointerout: 'mouseout'
+};
+const isNullOrEmpty = value => value === null || value === '';
+function initCanvas(canvas, aspectRatio) {
+  const style = canvas.style;
+  const renderHeight = canvas.getAttribute('height');
+  const renderWidth = canvas.getAttribute('width');
+  canvas[EXPANDO_KEY] = {
+    initial: {
+      height: renderHeight,
+      width: renderWidth,
+      style: {
+        display: style.display,
+        height: style.height,
+        width: style.width
+      }
+    }
+  };
+  style.display = style.display || 'block';
+  style.boxSizing = style.boxSizing || 'border-box';
+  if (isNullOrEmpty(renderWidth)) {
+    const displayWidth = readUsedSize(canvas, 'width');
+    if (displayWidth !== undefined) {
+      canvas.width = displayWidth;
+    }
+  }
+  if (isNullOrEmpty(renderHeight)) {
+    if (canvas.style.height === '') {
+      canvas.height = canvas.width / (aspectRatio || 2);
+    } else {
+      const displayHeight = readUsedSize(canvas, 'height');
+      if (displayHeight !== undefined) {
+        canvas.height = displayHeight;
+      }
+    }
+  }
+  return canvas;
+}
+const eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;
+function addListener(node, type, listener) {
+  node.addEventListener(type, listener, eventListenerOptions);
+}
+function removeListener(chart, type, listener) {
+  chart.canvas.removeEventListener(type, listener, eventListenerOptions);
+}
+function fromNativeEvent(event, chart) {
+  const type = EVENT_TYPES[event.type] || event.type;
+  const {x, y} = getRelativePosition$1(event, chart);
+  return {
+    type,
+    chart,
+    native: event,
+    x: x !== undefined ? x : null,
+    y: y !== undefined ? y : null,
+  };
+}
+function nodeListContains(nodeList, canvas) {
+  for (const node of nodeList) {
+    if (node === canvas || node.contains(canvas)) {
+      return true;
+    }
+  }
+}
+function createAttachObserver(chart, type, listener) {
+  const canvas = chart.canvas;
+  const observer = new MutationObserver(entries => {
+    let trigger = false;
+    for (const entry of entries) {
+      trigger = trigger || nodeListContains(entry.addedNodes, canvas);
+      trigger = trigger && !nodeListContains(entry.removedNodes, canvas);
+    }
+    if (trigger) {
+      listener();
+    }
+  });
+  observer.observe(document, {childList: true, subtree: true});
+  return observer;
+}
+function createDetachObserver(chart, type, listener) {
+  const canvas = chart.canvas;
+  const observer = new MutationObserver(entries => {
+    let trigger = false;
+    for (const entry of entries) {
+      trigger = trigger || nodeListContains(entry.removedNodes, canvas);
+      trigger = trigger && !nodeListContains(entry.addedNodes, canvas);
+    }
+    if (trigger) {
+      listener();
+    }
+  });
+  observer.observe(document, {childList: true, subtree: true});
+  return observer;
+}
+const drpListeningCharts = new Map();
+let oldDevicePixelRatio = 0;
+function onWindowResize() {
+  const dpr = window.devicePixelRatio;
+  if (dpr === oldDevicePixelRatio) {
+    return;
+  }
+  oldDevicePixelRatio = dpr;
+  drpListeningCharts.forEach((resize, chart) => {
+    if (chart.currentDevicePixelRatio !== dpr) {
+      resize();
+    }
+  });
+}
+function listenDevicePixelRatioChanges(chart, resize) {
+  if (!drpListeningCharts.size) {
+    window.addEventListener('resize', onWindowResize);
+  }
+  drpListeningCharts.set(chart, resize);
+}
+function unlistenDevicePixelRatioChanges(chart) {
+  drpListeningCharts.delete(chart);
+  if (!drpListeningCharts.size) {
+    window.removeEventListener('resize', onWindowResize);
+  }
+}
+function createResizeObserver(chart, type, listener) {
+  const canvas = chart.canvas;
+  const container = canvas && _getParentNode(canvas);
+  if (!container) {
+    return;
+  }
+  const resize = throttled((width, height) => {
+    const w = container.clientWidth;
+    listener(width, height);
+    if (w < container.clientWidth) {
+      listener();
+    }
+  }, window);
+  const observer = new ResizeObserver(entries => {
+    const entry = entries[0];
+    const width = entry.contentRect.width;
+    const height = entry.contentRect.height;
+    if (width === 0 && height === 0) {
+      return;
+    }
+    resize(width, height);
+  });
+  observer.observe(container);
+  listenDevicePixelRatioChanges(chart, resize);
+  return observer;
+}
+function releaseObserver(chart, type, observer) {
+  if (observer) {
+    observer.disconnect();
+  }
+  if (type === 'resize') {
+    unlistenDevicePixelRatioChanges(chart);
+  }
+}
+function createProxyAndListen(chart, type, listener) {
+  const canvas = chart.canvas;
+  const proxy = throttled((event) => {
+    if (chart.ctx !== null) {
+      listener(fromNativeEvent(event, chart));
+    }
+  }, chart, (args) => {
+    const event = args[0];
+    return [event, event.offsetX, event.offsetY];
+  });
+  addListener(canvas, type, proxy);
+  return proxy;
+}
+class DomPlatform extends BasePlatform {
+  acquireContext(canvas, aspectRatio) {
+    const context = canvas && canvas.getContext && canvas.getContext('2d');
+    if (context && context.canvas === canvas) {
+      initCanvas(canvas, aspectRatio);
+      return context;
+    }
+    return null;
+  }
+  releaseContext(context) {
+    const canvas = context.canvas;
+    if (!canvas[EXPANDO_KEY]) {
+      return false;
+    }
+    const initial = canvas[EXPANDO_KEY].initial;
+    ['height', 'width'].forEach((prop) => {
+      const value = initial[prop];
+      if (isNullOrUndef(value)) {
+        canvas.removeAttribute(prop);
+      } else {
+        canvas.setAttribute(prop, value);
+      }
+    });
+    const style = initial.style || {};
+    Object.keys(style).forEach((key) => {
+      canvas.style[key] = style[key];
+    });
+    canvas.width = canvas.width;
+    delete canvas[EXPANDO_KEY];
+    return true;
+  }
+  addEventListener(chart, type, listener) {
+    this.removeEventListener(chart, type);
+    const proxies = chart.$proxies || (chart.$proxies = {});
+    const handlers = {
+      attach: createAttachObserver,
+      detach: createDetachObserver,
+      resize: createResizeObserver
+    };
+    const handler = handlers[type] || createProxyAndListen;
+    proxies[type] = handler(chart, type, listener);
+  }
+  removeEventListener(chart, type) {
+    const proxies = chart.$proxies || (chart.$proxies = {});
+    const proxy = proxies[type];
+    if (!proxy) {
+      return;
+    }
+    const handlers = {
+      attach: releaseObserver,
+      detach: releaseObserver,
+      resize: releaseObserver
+    };
+    const handler = handlers[type] || removeListener;
+    handler(chart, type, proxy);
+    proxies[type] = undefined;
+  }
+  getDevicePixelRatio() {
+    return window.devicePixelRatio;
+  }
+  getMaximumSize(canvas, width, height, aspectRatio) {
+    return getMaximumSize(canvas, width, height, aspectRatio);
+  }
+  isAttached(canvas) {
+    const container = _getParentNode(canvas);
+    return !!(container && container.isConnected);
+  }
+}
+
+function _detectPlatform(canvas) {
+  if (!_isDomSupported() || (typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas)) {
+    return BasicPlatform;
+  }
+  return DomPlatform;
+}
+
+var platforms = /*#__PURE__*/Object.freeze({
+__proto__: null,
+_detectPlatform: _detectPlatform,
+BasePlatform: BasePlatform,
+BasicPlatform: BasicPlatform,
+DomPlatform: DomPlatform
+});
+
+const transparent = 'transparent';
+const interpolators = {
+  boolean(from, to, factor) {
+    return factor > 0.5 ? to : from;
+  },
+  color(from, to, factor) {
+    const c0 = color(from || transparent);
+    const c1 = c0.valid && color(to || transparent);
+    return c1 && c1.valid
+      ? c1.mix(c0, factor).hexString()
+      : to;
+  },
+  number(from, to, factor) {
+    return from + (to - from) * factor;
+  }
+};
+class Animation {
+  constructor(cfg, target, prop, to) {
+    const currentValue = target[prop];
+    to = resolve([cfg.to, to, currentValue, cfg.from]);
+    const from = resolve([cfg.from, currentValue, to]);
+    this._active = true;
+    this._fn = cfg.fn || interpolators[cfg.type || typeof from];
+    this._easing = effects[cfg.easing] || effects.linear;
+    this._start = Math.floor(Date.now() + (cfg.delay || 0));
+    this._duration = this._total = Math.floor(cfg.duration);
+    this._loop = !!cfg.loop;
+    this._target = target;
+    this._prop = prop;
+    this._from = from;
+    this._to = to;
+    this._promises = undefined;
+  }
+  active() {
+    return this._active;
+  }
+  update(cfg, to, date) {
+    if (this._active) {
+      this._notify(false);
+      const currentValue = this._target[this._prop];
+      const elapsed = date - this._start;
+      const remain = this._duration - elapsed;
+      this._start = date;
+      this._duration = Math.floor(Math.max(remain, cfg.duration));
+      this._total += elapsed;
+      this._loop = !!cfg.loop;
+      this._to = resolve([cfg.to, to, currentValue, cfg.from]);
+      this._from = resolve([cfg.from, currentValue, to]);
+    }
+  }
+  cancel() {
+    if (this._active) {
+      this.tick(Date.now());
+      this._active = false;
+      this._notify(false);
+    }
+  }
+  tick(date) {
+    const elapsed = date - this._start;
+    const duration = this._duration;
+    const prop = this._prop;
+    const from = this._from;
+    const loop = this._loop;
+    const to = this._to;
+    let factor;
+    this._active = from !== to && (loop || (elapsed < duration));
+    if (!this._active) {
+      this._target[prop] = to;
+      this._notify(true);
+      return;
+    }
+    if (elapsed < 0) {
+      this._target[prop] = from;
+      return;
+    }
+    factor = (elapsed / duration) % 2;
+    factor = loop && factor > 1 ? 2 - factor : factor;
+    factor = this._easing(Math.min(1, Math.max(0, factor)));
+    this._target[prop] = this._fn(from, to, factor);
+  }
+  wait() {
+    const promises = this._promises || (this._promises = []);
+    return new Promise((res, rej) => {
+      promises.push({res, rej});
+    });
+  }
+  _notify(resolved) {
+    const method = resolved ? 'res' : 'rej';
+    const promises = this._promises || [];
+    for (let i = 0; i < promises.length; i++) {
+      promises[i][method]();
+    }
+  }
+}
+
+const numbers = ['x', 'y', 'borderWidth', 'radius', 'tension'];
+const colors = ['color', 'borderColor', 'backgroundColor'];
+defaults.set('animation', {
+  delay: undefined,
+  duration: 1000,
+  easing: 'easeOutQuart',
+  fn: undefined,
+  from: undefined,
+  loop: undefined,
+  to: undefined,
+  type: undefined,
+});
+const animationOptions = Object.keys(defaults.animation);
+defaults.describe('animation', {
+  _fallback: false,
+  _indexable: false,
+  _scriptable: (name) => name !== 'onProgress' && name !== 'onComplete' && name !== 'fn',
+});
+defaults.set('animations', {
+  colors: {
+    type: 'color',
+    properties: colors
+  },
+  numbers: {
+    type: 'number',
+    properties: numbers
+  },
+});
+defaults.describe('animations', {
+  _fallback: 'animation',
+});
+defaults.set('transitions', {
+  active: {
+    animation: {
+      duration: 400
+    }
+  },
+  resize: {
+    animation: {
+      duration: 0
+    }
+  },
+  show: {
+    animations: {
+      colors: {
+        from: 'transparent'
+      },
+      visible: {
+        type: 'boolean',
+        duration: 0
+      },
+    }
+  },
+  hide: {
+    animations: {
+      colors: {
+        to: 'transparent'
+      },
+      visible: {
+        type: 'boolean',
+        easing: 'linear',
+        fn: v => v | 0
+      },
+    }
+  }
+});
+class Animations {
+  constructor(chart, config) {
+    this._chart = chart;
+    this._properties = new Map();
+    this.configure(config);
+  }
+  configure(config) {
+    if (!isObject(config)) {
+      return;
+    }
+    const animatedProps = this._properties;
+    Object.getOwnPropertyNames(config).forEach(key => {
+      const cfg = config[key];
+      if (!isObject(cfg)) {
+        return;
+      }
+      const resolved = {};
+      for (const option of animationOptions) {
+        resolved[option] = cfg[option];
+      }
+      (isArray(cfg.properties) && cfg.properties || [key]).forEach((prop) => {
+        if (prop === key || !animatedProps.has(prop)) {
+          animatedProps.set(prop, resolved);
+        }
+      });
+    });
+  }
+  _animateOptions(target, values) {
+    const newOptions = values.options;
+    const options = resolveTargetOptions(target, newOptions);
+    if (!options) {
+      return [];
+    }
+    const animations = this._createAnimations(options, newOptions);
+    if (newOptions.$shared) {
+      awaitAll(target.options.$animations, newOptions).then(() => {
+        target.options = newOptions;
+      }, () => {
+      });
+    }
+    return animations;
+  }
+  _createAnimations(target, values) {
+    const animatedProps = this._properties;
+    const animations = [];
+    const running = target.$animations || (target.$animations = {});
+    const props = Object.keys(values);
+    const date = Date.now();
+    let i;
+    for (i = props.length - 1; i >= 0; --i) {
+      const prop = props[i];
+      if (prop.charAt(0) === '$') {
+        continue;
+      }
+      if (prop === 'options') {
+        animations.push(...this._animateOptions(target, values));
+        continue;
+      }
+      const value = values[prop];
+      let animation = running[prop];
+      const cfg = animatedProps.get(prop);
+      if (animation) {
+        if (cfg && animation.active()) {
+          animation.update(cfg, value, date);
+          continue;
+        } else {
+          animation.cancel();
+        }
+      }
+      if (!cfg || !cfg.duration) {
+        target[prop] = value;
+        continue;
+      }
+      running[prop] = animation = new Animation(cfg, target, prop, value);
+      animations.push(animation);
+    }
+    return animations;
+  }
+  update(target, values) {
+    if (this._properties.size === 0) {
+      Object.assign(target, values);
+      return;
+    }
+    const animations = this._createAnimations(target, values);
+    if (animations.length) {
+      animator.add(this._chart, animations);
+      return true;
+    }
+  }
+}
+function awaitAll(animations, properties) {
+  const running = [];
+  const keys = Object.keys(properties);
+  for (let i = 0; i < keys.length; i++) {
+    const anim = animations[keys[i]];
+    if (anim && anim.active()) {
+      running.push(anim.wait());
+    }
+  }
+  return Promise.all(running);
+}
+function resolveTargetOptions(target, newOptions) {
+  if (!newOptions) {
+    return;
+  }
+  let options = target.options;
+  if (!options) {
+    target.options = newOptions;
+    return;
+  }
+  if (options.$shared) {
+    target.options = options = Object.assign({}, options, {$shared: false, $animations: {}});
+  }
+  return options;
+}
+
+function scaleClip(scale, allowedOverflow) {
+  const opts = scale && scale.options || {};
+  const reverse = opts.reverse;
+  const min = opts.min === undefined ? allowedOverflow : 0;
+  const max = opts.max === undefined ? allowedOverflow : 0;
+  return {
+    start: reverse ? max : min,
+    end: reverse ? min : max
+  };
+}
+function defaultClip(xScale, yScale, allowedOverflow) {
+  if (allowedOverflow === false) {
+    return false;
+  }
+  const x = scaleClip(xScale, allowedOverflow);
+  const y = scaleClip(yScale, allowedOverflow);
+  return {
+    top: y.end,
+    right: x.end,
+    bottom: y.start,
+    left: x.start
+  };
+}
+function toClip(value) {
+  let t, r, b, l;
+  if (isObject(value)) {
+    t = value.top;
+    r = value.right;
+    b = value.bottom;
+    l = value.left;
+  } else {
+    t = r = b = l = value;
+  }
+  return {
+    top: t,
+    right: r,
+    bottom: b,
+    left: l,
+    disabled: value === false
+  };
+}
+function getSortedDatasetIndices(chart, filterVisible) {
+  const keys = [];
+  const metasets = chart._getSortedDatasetMetas(filterVisible);
+  let i, ilen;
+  for (i = 0, ilen = metasets.length; i < ilen; ++i) {
+    keys.push(metasets[i].index);
+  }
+  return keys;
+}
+function applyStack(stack, value, dsIndex, options = {}) {
+  const keys = stack.keys;
+  const singleMode = options.mode === 'single';
+  let i, ilen, datasetIndex, otherValue;
+  if (value === null) {
+    return;
+  }
+  for (i = 0, ilen = keys.length; i < ilen; ++i) {
+    datasetIndex = +keys[i];
+    if (datasetIndex === dsIndex) {
+      if (options.all) {
+        continue;
+      }
+      break;
+    }
+    otherValue = stack.values[datasetIndex];
+    if (isNumberFinite(otherValue) && (singleMode || (value === 0 || sign(value) === sign(otherValue)))) {
+      value += otherValue;
+    }
+  }
+  return value;
+}
+function convertObjectDataToArray(data) {
+  const keys = Object.keys(data);
+  const adata = new Array(keys.length);
+  let i, ilen, key;
+  for (i = 0, ilen = keys.length; i < ilen; ++i) {
+    key = keys[i];
+    adata[i] = {
+      x: key,
+      y: data[key]
+    };
+  }
+  return adata;
+}
+function isStacked(scale, meta) {
+  const stacked = scale && scale.options.stacked;
+  return stacked || (stacked === undefined && meta.stack !== undefined);
+}
+function getStackKey(indexScale, valueScale, meta) {
+  return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`;
+}
+function getUserBounds(scale) {
+  const {min, max, minDefined, maxDefined} = scale.getUserBounds();
+  return {
+    min: minDefined ? min : Number.NEGATIVE_INFINITY,
+    max: maxDefined ? max : Number.POSITIVE_INFINITY
+  };
+}
+function getOrCreateStack(stacks, stackKey, indexValue) {
+  const subStack = stacks[stackKey] || (stacks[stackKey] = {});
+  return subStack[indexValue] || (subStack[indexValue] = {});
+}
+function getLastIndexInStack(stack, vScale, positive, type) {
+  for (const meta of vScale.getMatchingVisibleMetas(type).reverse()) {
+    const value = stack[meta.index];
+    if ((positive && value > 0) || (!positive && value < 0)) {
+      return meta.index;
+    }
+  }
+  return null;
+}
+function updateStacks(controller, parsed) {
+  const {chart, _cachedMeta: meta} = controller;
+  const stacks = chart._stacks || (chart._stacks = {});
+  const {iScale, vScale, index: datasetIndex} = meta;
+  const iAxis = iScale.axis;
+  const vAxis = vScale.axis;
+  const key = getStackKey(iScale, vScale, meta);
+  const ilen = parsed.length;
+  let stack;
+  for (let i = 0; i < ilen; ++i) {
+    const item = parsed[i];
+    const {[iAxis]: index, [vAxis]: value} = item;
+    const itemStacks = item._stacks || (item._stacks = {});
+    stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index);
+    stack[datasetIndex] = value;
+    stack._top = getLastIndexInStack(stack, vScale, true, meta.type);
+    stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type);
+  }
+}
+function getFirstScaleId(chart, axis) {
+  const scales = chart.scales;
+  return Object.keys(scales).filter(key => scales[key].axis === axis).shift();
+}
+function createDatasetContext(parent, index) {
+  return createContext(parent,
+    {
+      active: false,
+      dataset: undefined,
+      datasetIndex: index,
+      index,
+      mode: 'default',
+      type: 'dataset'
+    }
+  );
+}
+function createDataContext(parent, index, element) {
+  return createContext(parent, {
+    active: false,
+    dataIndex: index,
+    parsed: undefined,
+    raw: undefined,
+    element,
+    index,
+    mode: 'default',
+    type: 'data'
+  });
+}
+function clearStacks(meta, items) {
+  const datasetIndex = meta.controller.index;
+  const axis = meta.vScale && meta.vScale.axis;
+  if (!axis) {
+    return;
+  }
+  items = items || meta._parsed;
+  for (const parsed of items) {
+    const stacks = parsed._stacks;
+    if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) {
+      return;
+    }
+    delete stacks[axis][datasetIndex];
+  }
+}
+const isDirectUpdateMode = (mode) => mode === 'reset' || mode === 'none';
+const cloneIfNotShared = (cached, shared) => shared ? cached : Object.assign({}, cached);
+const createStack = (canStack, meta, chart) => canStack && !meta.hidden && meta._stacked
+  && {keys: getSortedDatasetIndices(chart, true), values: null};
+class DatasetController {
+  constructor(chart, datasetIndex) {
+    this.chart = chart;
+    this._ctx = chart.ctx;
+    this.index = datasetIndex;
+    this._cachedDataOpts = {};
+    this._cachedMeta = this.getMeta();
+    this._type = this._cachedMeta.type;
+    this.options = undefined;
+    this._parsing = false;
+    this._data = undefined;
+    this._objectData = undefined;
+    this._sharedOptions = undefined;
+    this._drawStart = undefined;
+    this._drawCount = undefined;
+    this.enableOptionSharing = false;
+    this.$context = undefined;
+    this._syncList = [];
+    this.initialize();
+  }
+  initialize() {
+    const meta = this._cachedMeta;
+    this.configure();
+    this.linkScales();
+    meta._stacked = isStacked(meta.vScale, meta);
+    this.addElements();
+  }
+  updateIndex(datasetIndex) {
+    if (this.index !== datasetIndex) {
+      clearStacks(this._cachedMeta);
+    }
+    this.index = datasetIndex;
+  }
+  linkScales() {
+    const chart = this.chart;
+    const meta = this._cachedMeta;
+    const dataset = this.getDataset();
+    const chooseId = (axis, x, y, r) => axis === 'x' ? x : axis === 'r' ? r : y;
+    const xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x'));
+    const yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y'));
+    const rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r'));
+    const indexAxis = meta.indexAxis;
+    const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid);
+    const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid);
+    meta.xScale = this.getScaleForId(xid);
+    meta.yScale = this.getScaleForId(yid);
+    meta.rScale = this.getScaleForId(rid);
+    meta.iScale = this.getScaleForId(iid);
+    meta.vScale = this.getScaleForId(vid);
+  }
+  getDataset() {
+    return this.chart.data.datasets[this.index];
+  }
+  getMeta() {
+    return this.chart.getDatasetMeta(this.index);
+  }
+  getScaleForId(scaleID) {
+    return this.chart.scales[scaleID];
+  }
+  _getOtherScale(scale) {
+    const meta = this._cachedMeta;
+    return scale === meta.iScale
+      ? meta.vScale
+      : meta.iScale;
+  }
+  reset() {
+    this._update('reset');
+  }
+  _destroy() {
+    const meta = this._cachedMeta;
+    if (this._data) {
+      unlistenArrayEvents(this._data, this);
+    }
+    if (meta._stacked) {
+      clearStacks(meta);
+    }
+  }
+  _dataCheck() {
+    const dataset = this.getDataset();
+    const data = dataset.data || (dataset.data = []);
+    const _data = this._data;
+    if (isObject(data)) {
+      this._data = convertObjectDataToArray(data);
+    } else if (_data !== data) {
+      if (_data) {
+        unlistenArrayEvents(_data, this);
+        const meta = this._cachedMeta;
+        clearStacks(meta);
+        meta._parsed = [];
+      }
+      if (data && Object.isExtensible(data)) {
+        listenArrayEvents(data, this);
+      }
+      this._syncList = [];
+      this._data = data;
+    }
+  }
+  addElements() {
+    const meta = this._cachedMeta;
+    this._dataCheck();
+    if (this.datasetElementType) {
+      meta.dataset = new this.datasetElementType();
+    }
+  }
+  buildOrUpdateElements(resetNewElements) {
+    const meta = this._cachedMeta;
+    const dataset = this.getDataset();
+    let stackChanged = false;
+    this._dataCheck();
+    const oldStacked = meta._stacked;
+    meta._stacked = isStacked(meta.vScale, meta);
+    if (meta.stack !== dataset.stack) {
+      stackChanged = true;
+      clearStacks(meta);
+      meta.stack = dataset.stack;
+    }
+    this._resyncElements(resetNewElements);
+    if (stackChanged || oldStacked !== meta._stacked) {
+      updateStacks(this, meta._parsed);
+    }
+  }
+  configure() {
+    const config = this.chart.config;
+    const scopeKeys = config.datasetScopeKeys(this._type);
+    const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true);
+    this.options = config.createResolver(scopes, this.getContext());
+    this._parsing = this.options.parsing;
+    this._cachedDataOpts = {};
+  }
+  parse(start, count) {
+    const {_cachedMeta: meta, _data: data} = this;
+    const {iScale, _stacked} = meta;
+    const iAxis = iScale.axis;
+    let sorted = start === 0 && count === data.length ? true : meta._sorted;
+    let prev = start > 0 && meta._parsed[start - 1];
+    let i, cur, parsed;
+    if (this._parsing === false) {
+      meta._parsed = data;
+      meta._sorted = true;
+      parsed = data;
+    } else {
+      if (isArray(data[start])) {
+        parsed = this.parseArrayData(meta, data, start, count);
+      } else if (isObject(data[start])) {
+        parsed = this.parseObjectData(meta, data, start, count);
+      } else {
+        parsed = this.parsePrimitiveData(meta, data, start, count);
+      }
+      const isNotInOrderComparedToPrev = () => cur[iAxis] === null || (prev && cur[iAxis] < prev[iAxis]);
+      for (i = 0; i < count; ++i) {
+        meta._parsed[i + start] = cur = parsed[i];
+        if (sorted) {
+          if (isNotInOrderComparedToPrev()) {
+            sorted = false;
+          }
+          prev = cur;
+        }
+      }
+      meta._sorted = sorted;
+    }
+    if (_stacked) {
+      updateStacks(this, parsed);
+    }
+  }
+  parsePrimitiveData(meta, data, start, count) {
+    const {iScale, vScale} = meta;
+    const iAxis = iScale.axis;
+    const vAxis = vScale.axis;
+    const labels = iScale.getLabels();
+    const singleScale = iScale === vScale;
+    const parsed = new Array(count);
+    let i, ilen, index;
+    for (i = 0, ilen = count; i < ilen; ++i) {
+      index = i + start;
+      parsed[i] = {
+        [iAxis]: singleScale || iScale.parse(labels[index], index),
+        [vAxis]: vScale.parse(data[index], index)
+      };
+    }
+    return parsed;
+  }
+  parseArrayData(meta, data, start, count) {
+    const {xScale, yScale} = meta;
+    const parsed = new Array(count);
+    let i, ilen, index, item;
+    for (i = 0, ilen = count; i < ilen; ++i) {
+      index = i + start;
+      item = data[index];
+      parsed[i] = {
+        x: xScale.parse(item[0], index),
+        y: yScale.parse(item[1], index)
+      };
+    }
+    return parsed;
+  }
+  parseObjectData(meta, data, start, count) {
+    const {xScale, yScale} = meta;
+    const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing;
+    const parsed = new Array(count);
+    let i, ilen, index, item;
+    for (i = 0, ilen = count; i < ilen; ++i) {
+      index = i + start;
+      item = data[index];
+      parsed[i] = {
+        x: xScale.parse(resolveObjectKey(item, xAxisKey), index),
+        y: yScale.parse(resolveObjectKey(item, yAxisKey), index)
+      };
+    }
+    return parsed;
+  }
+  getParsed(index) {
+    return this._cachedMeta._parsed[index];
+  }
+  getDataElement(index) {
+    return this._cachedMeta.data[index];
+  }
+  applyStack(scale, parsed, mode) {
+    const chart = this.chart;
+    const meta = this._cachedMeta;
+    const value = parsed[scale.axis];
+    const stack = {
+      keys: getSortedDatasetIndices(chart, true),
+      values: parsed._stacks[scale.axis]
+    };
+    return applyStack(stack, value, meta.index, {mode});
+  }
+  updateRangeFromParsed(range, scale, parsed, stack) {
+    const parsedValue = parsed[scale.axis];
+    let value = parsedValue === null ? NaN : parsedValue;
+    const values = stack && parsed._stacks[scale.axis];
+    if (stack && values) {
+      stack.values = values;
+      value = applyStack(stack, parsedValue, this._cachedMeta.index);
+    }
+    range.min = Math.min(range.min, value);
+    range.max = Math.max(range.max, value);
+  }
+  getMinMax(scale, canStack) {
+    const meta = this._cachedMeta;
+    const _parsed = meta._parsed;
+    const sorted = meta._sorted && scale === meta.iScale;
+    const ilen = _parsed.length;
+    const otherScale = this._getOtherScale(scale);
+    const stack = createStack(canStack, meta, this.chart);
+    const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY};
+    const {min: otherMin, max: otherMax} = getUserBounds(otherScale);
+    let i, parsed;
+    function _skip() {
+      parsed = _parsed[i];
+      const otherValue = parsed[otherScale.axis];
+      return !isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue;
+    }
+    for (i = 0; i < ilen; ++i) {
+      if (_skip()) {
+        continue;
+      }
+      this.updateRangeFromParsed(range, scale, parsed, stack);
+      if (sorted) {
+        break;
+      }
+    }
+    if (sorted) {
+      for (i = ilen - 1; i >= 0; --i) {
+        if (_skip()) {
+          continue;
+        }
+        this.updateRangeFromParsed(range, scale, parsed, stack);
+        break;
+      }
+    }
+    return range;
+  }
+  getAllParsedValues(scale) {
+    const parsed = this._cachedMeta._parsed;
+    const values = [];
+    let i, ilen, value;
+    for (i = 0, ilen = parsed.length; i < ilen; ++i) {
+      value = parsed[i][scale.axis];
+      if (isNumberFinite(value)) {
+        values.push(value);
+      }
+    }
+    return values;
+  }
+  getMaxOverflow() {
+    return false;
+  }
+  getLabelAndValue(index) {
+    const meta = this._cachedMeta;
+    const iScale = meta.iScale;
+    const vScale = meta.vScale;
+    const parsed = this.getParsed(index);
+    return {
+      label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '',
+      value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : ''
+    };
+  }
+  _update(mode) {
+    const meta = this._cachedMeta;
+    this.update(mode || 'default');
+    meta._clip = toClip(valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow())));
+  }
+  update(mode) {}
+  draw() {
+    const ctx = this._ctx;
+    const chart = this.chart;
+    const meta = this._cachedMeta;
+    const elements = meta.data || [];
+    const area = chart.chartArea;
+    const active = [];
+    const start = this._drawStart || 0;
+    const count = this._drawCount || (elements.length - start);
+    const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop;
+    let i;
+    if (meta.dataset) {
+      meta.dataset.draw(ctx, area, start, count);
+    }
+    for (i = start; i < start + count; ++i) {
+      const element = elements[i];
+      if (element.hidden) {
+        continue;
+      }
+      if (element.active && drawActiveElementsOnTop) {
+        active.push(element);
+      } else {
+        element.draw(ctx, area);
+      }
+    }
+    for (i = 0; i < active.length; ++i) {
+      active[i].draw(ctx, area);
+    }
+  }
+  getStyle(index, active) {
+    const mode = active ? 'active' : 'default';
+    return index === undefined && this._cachedMeta.dataset
+      ? this.resolveDatasetElementOptions(mode)
+      : this.resolveDataElementOptions(index || 0, mode);
+  }
+  getContext(index, active, mode) {
+    const dataset = this.getDataset();
+    let context;
+    if (index >= 0 && index < this._cachedMeta.data.length) {
+      const element = this._cachedMeta.data[index];
+      context = element.$context ||
+        (element.$context = createDataContext(this.getContext(), index, element));
+      context.parsed = this.getParsed(index);
+      context.raw = dataset.data[index];
+      context.index = context.dataIndex = index;
+    } else {
+      context = this.$context ||
+        (this.$context = createDatasetContext(this.chart.getContext(), this.index));
+      context.dataset = dataset;
+      context.index = context.datasetIndex = this.index;
+    }
+    context.active = !!active;
+    context.mode = mode;
+    return context;
+  }
+  resolveDatasetElementOptions(mode) {
+    return this._resolveElementOptions(this.datasetElementType.id, mode);
+  }
+  resolveDataElementOptions(index, mode) {
+    return this._resolveElementOptions(this.dataElementType.id, mode, index);
+  }
+  _resolveElementOptions(elementType, mode = 'default', index) {
+    const active = mode === 'active';
+    const cache = this._cachedDataOpts;
+    const cacheKey = elementType + '-' + mode;
+    const cached = cache[cacheKey];
+    const sharing = this.enableOptionSharing && defined(index);
+    if (cached) {
+      return cloneIfNotShared(cached, sharing);
+    }
+    const config = this.chart.config;
+    const scopeKeys = config.datasetElementScopeKeys(this._type, elementType);
+    const prefixes = active ? [`${elementType}Hover`, 'hover', elementType, ''] : [elementType, ''];
+    const scopes = config.getOptionScopes(this.getDataset(), scopeKeys);
+    const names = Object.keys(defaults.elements[elementType]);
+    const context = () => this.getContext(index, active);
+    const values = config.resolveNamedOptions(scopes, names, context, prefixes);
+    if (values.$shared) {
+      values.$shared = sharing;
+      cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing));
+    }
+    return values;
+  }
+  _resolveAnimations(index, transition, active) {
+    const chart = this.chart;
+    const cache = this._cachedDataOpts;
+    const cacheKey = `animation-${transition}`;
+    const cached = cache[cacheKey];
+    if (cached) {
+      return cached;
+    }
+    let options;
+    if (chart.options.animation !== false) {
+      const config = this.chart.config;
+      const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition);
+      const scopes = config.getOptionScopes(this.getDataset(), scopeKeys);
+      options = config.createResolver(scopes, this.getContext(index, active, transition));
+    }
+    const animations = new Animations(chart, options && options.animations);
+    if (options && options._cacheable) {
+      cache[cacheKey] = Object.freeze(animations);
+    }
+    return animations;
+  }
+  getSharedOptions(options) {
+    if (!options.$shared) {
+      return;
+    }
+    return this._sharedOptions || (this._sharedOptions = Object.assign({}, options));
+  }
+  includeOptions(mode, sharedOptions) {
+    return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled;
+  }
+  updateElement(element, index, properties, mode) {
+    if (isDirectUpdateMode(mode)) {
+      Object.assign(element, properties);
+    } else {
+      this._resolveAnimations(index, mode).update(element, properties);
+    }
+  }
+  updateSharedOptions(sharedOptions, mode, newOptions) {
+    if (sharedOptions && !isDirectUpdateMode(mode)) {
+      this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions);
+    }
+  }
+  _setStyle(element, index, mode, active) {
+    element.active = active;
+    const options = this.getStyle(index, active);
+    this._resolveAnimations(index, mode, active).update(element, {
+      options: (!active && this.getSharedOptions(options)) || options
+    });
+  }
+  removeHoverStyle(element, datasetIndex, index) {
+    this._setStyle(element, index, 'active', false);
+  }
+  setHoverStyle(element, datasetIndex, index) {
+    this._setStyle(element, index, 'active', true);
+  }
+  _removeDatasetHoverStyle() {
+    const element = this._cachedMeta.dataset;
+    if (element) {
+      this._setStyle(element, undefined, 'active', false);
+    }
+  }
+  _setDatasetHoverStyle() {
+    const element = this._cachedMeta.dataset;
+    if (element) {
+      this._setStyle(element, undefined, 'active', true);
+    }
+  }
+  _resyncElements(resetNewElements) {
+    const data = this._data;
+    const elements = this._cachedMeta.data;
+    for (const [method, arg1, arg2] of this._syncList) {
+      this[method](arg1, arg2);
+    }
+    this._syncList = [];
+    const numMeta = elements.length;
+    const numData = data.length;
+    const count = Math.min(numData, numMeta);
+    if (count) {
+      this.parse(0, count);
+    }
+    if (numData > numMeta) {
+      this._insertElements(numMeta, numData - numMeta, resetNewElements);
+    } else if (numData < numMeta) {
+      this._removeElements(numData, numMeta - numData);
+    }
+  }
+  _insertElements(start, count, resetNewElements = true) {
+    const meta = this._cachedMeta;
+    const data = meta.data;
+    const end = start + count;
+    let i;
+    const move = (arr) => {
+      arr.length += count;
+      for (i = arr.length - 1; i >= end; i--) {
+        arr[i] = arr[i - count];
+      }
+    };
+    move(data);
+    for (i = start; i < end; ++i) {
+      data[i] = new this.dataElementType();
+    }
+    if (this._parsing) {
+      move(meta._parsed);
+    }
+    this.parse(start, count);
+    if (resetNewElements) {
+      this.updateElements(data, start, count, 'reset');
+    }
+  }
+  updateElements(element, start, count, mode) {}
+  _removeElements(start, count) {
+    const meta = this._cachedMeta;
+    if (this._parsing) {
+      const removed = meta._parsed.splice(start, count);
+      if (meta._stacked) {
+        clearStacks(meta, removed);
+      }
+    }
+    meta.data.splice(start, count);
+  }
+  _sync(args) {
+    if (this._parsing) {
+      this._syncList.push(args);
+    } else {
+      const [method, arg1, arg2] = args;
+      this[method](arg1, arg2);
+    }
+    this.chart._dataChanges.push([this.index, ...args]);
+  }
+  _onDataPush() {
+    const count = arguments.length;
+    this._sync(['_insertElements', this.getDataset().data.length - count, count]);
+  }
+  _onDataPop() {
+    this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]);
+  }
+  _onDataShift() {
+    this._sync(['_removeElements', 0, 1]);
+  }
+  _onDataSplice(start, count) {
+    if (count) {
+      this._sync(['_removeElements', start, count]);
+    }
+    const newCount = arguments.length - 2;
+    if (newCount) {
+      this._sync(['_insertElements', start, newCount]);
+    }
+  }
+  _onDataUnshift() {
+    this._sync(['_insertElements', 0, arguments.length]);
+  }
+}
+DatasetController.defaults = {};
+DatasetController.prototype.datasetElementType = null;
+DatasetController.prototype.dataElementType = null;
+
+class Element {
+  constructor() {
+    this.x = undefined;
+    this.y = undefined;
+    this.active = false;
+    this.options = undefined;
+    this.$animations = undefined;
+  }
+  tooltipPosition(useFinalPosition) {
+    const {x, y} = this.getProps(['x', 'y'], useFinalPosition);
+    return {x, y};
+  }
+  hasValue() {
+    return isNumber(this.x) && isNumber(this.y);
+  }
+  getProps(props, final) {
+    const anims = this.$animations;
+    if (!final || !anims) {
+      return this;
+    }
+    const ret = {};
+    props.forEach(prop => {
+      ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop];
+    });
+    return ret;
+  }
+}
+Element.defaults = {};
+Element.defaultRoutes = undefined;
+
+const formatters = {
+  values(value) {
+    return isArray(value) ? value : '' + value;
+  },
+  numeric(tickValue, index, ticks) {
+    if (tickValue === 0) {
+      return '0';
+    }
+    const locale = this.chart.options.locale;
+    let notation;
+    let delta = tickValue;
+    if (ticks.length > 1) {
+      const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value));
+      if (maxTick < 1e-4 || maxTick > 1e+15) {
+        notation = 'scientific';
+      }
+      delta = calculateDelta(tickValue, ticks);
+    }
+    const logDelta = log10(Math.abs(delta));
+    const numDecimal = Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0);
+    const options = {notation, minimumFractionDigits: numDecimal, maximumFractionDigits: numDecimal};
+    Object.assign(options, this.options.ticks.format);
+    return formatNumber(tickValue, locale, options);
+  },
+  logarithmic(tickValue, index, ticks) {
+    if (tickValue === 0) {
+      return '0';
+    }
+    const remain = tickValue / (Math.pow(10, Math.floor(log10(tickValue))));
+    if (remain === 1 || remain === 2 || remain === 5) {
+      return formatters.numeric.call(this, tickValue, index, ticks);
+    }
+    return '';
+  }
+};
+function calculateDelta(tickValue, ticks) {
+  let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value;
+  if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) {
+    delta = tickValue - Math.floor(tickValue);
+  }
+  return delta;
+}
+var Ticks = {formatters};
+
+defaults.set('scale', {
+  display: true,
+  offset: false,
+  reverse: false,
+  beginAtZero: false,
+  bounds: 'ticks',
+  grace: 0,
+  grid: {
+    display: true,
+    lineWidth: 1,
+    drawBorder: true,
+    drawOnChartArea: true,
+    drawTicks: true,
+    tickLength: 8,
+    tickWidth: (_ctx, options) => options.lineWidth,
+    tickColor: (_ctx, options) => options.color,
+    offset: false,
+    borderDash: [],
+    borderDashOffset: 0.0,
+    borderWidth: 1
+  },
+  title: {
+    display: false,
+    text: '',
+    padding: {
+      top: 4,
+      bottom: 4
+    }
+  },
+  ticks: {
+    minRotation: 0,
+    maxRotation: 50,
+    mirror: false,
+    textStrokeWidth: 0,
+    textStrokeColor: '',
+    padding: 3,
+    display: true,
+    autoSkip: true,
+    autoSkipPadding: 3,
+    labelOffset: 0,
+    callback: Ticks.formatters.values,
+    minor: {},
+    major: {},
+    align: 'center',
+    crossAlign: 'near',
+    showLabelBackdrop: false,
+    backdropColor: 'rgba(255, 255, 255, 0.75)',
+    backdropPadding: 2,
+  }
+});
+defaults.route('scale.ticks', 'color', '', 'color');
+defaults.route('scale.grid', 'color', '', 'borderColor');
+defaults.route('scale.grid', 'borderColor', '', 'borderColor');
+defaults.route('scale.title', 'color', '', 'color');
+defaults.describe('scale', {
+  _fallback: false,
+  _scriptable: (name) => !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser',
+  _indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash',
+});
+defaults.describe('scales', {
+  _fallback: 'scale',
+});
+defaults.describe('scale.ticks', {
+  _scriptable: (name) => name !== 'backdropPadding' && name !== 'callback',
+  _indexable: (name) => name !== 'backdropPadding',
+});
+
+function autoSkip(scale, ticks) {
+  const tickOpts = scale.options.ticks;
+  const ticksLimit = tickOpts.maxTicksLimit || determineMaxTicks(scale);
+  const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : [];
+  const numMajorIndices = majorIndices.length;
+  const first = majorIndices[0];
+  const last = majorIndices[numMajorIndices - 1];
+  const newTicks = [];
+  if (numMajorIndices > ticksLimit) {
+    skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit);
+    return newTicks;
+  }
+  const spacing = calculateSpacing(majorIndices, ticks, ticksLimit);
+  if (numMajorIndices > 0) {
+    let i, ilen;
+    const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null;
+    skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first);
+    for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) {
+      skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]);
+    }
+    skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing);
+    return newTicks;
+  }
+  skip(ticks, newTicks, spacing);
+  return newTicks;
+}
+function determineMaxTicks(scale) {
+  const offset = scale.options.offset;
+  const tickLength = scale._tickSize();
+  const maxScale = scale._length / tickLength + (offset ? 0 : 1);
+  const maxChart = scale._maxLength / tickLength;
+  return Math.floor(Math.min(maxScale, maxChart));
+}
+function calculateSpacing(majorIndices, ticks, ticksLimit) {
+  const evenMajorSpacing = getEvenSpacing(majorIndices);
+  const spacing = ticks.length / ticksLimit;
+  if (!evenMajorSpacing) {
+    return Math.max(spacing, 1);
+  }
+  const factors = _factorize(evenMajorSpacing);
+  for (let i = 0, ilen = factors.length - 1; i < ilen; i++) {
+    const factor = factors[i];
+    if (factor > spacing) {
+      return factor;
+    }
+  }
+  return Math.max(spacing, 1);
+}
+function getMajorIndices(ticks) {
+  const result = [];
+  let i, ilen;
+  for (i = 0, ilen = ticks.length; i < ilen; i++) {
+    if (ticks[i].major) {
+      result.push(i);
+    }
+  }
+  return result;
+}
+function skipMajors(ticks, newTicks, majorIndices, spacing) {
+  let count = 0;
+  let next = majorIndices[0];
+  let i;
+  spacing = Math.ceil(spacing);
+  for (i = 0; i < ticks.length; i++) {
+    if (i === next) {
+      newTicks.push(ticks[i]);
+      count++;
+      next = majorIndices[count * spacing];
+    }
+  }
+}
+function skip(ticks, newTicks, spacing, majorStart, majorEnd) {
+  const start = valueOrDefault(majorStart, 0);
+  const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length);
+  let count = 0;
+  let length, i, next;
+  spacing = Math.ceil(spacing);
+  if (majorEnd) {
+    length = majorEnd - majorStart;
+    spacing = length / Math.floor(length / spacing);
+  }
+  next = start;
+  while (next < 0) {
+    count++;
+    next = Math.round(start + count * spacing);
+  }
+  for (i = Math.max(start, 0); i < end; i++) {
+    if (i === next) {
+      newTicks.push(ticks[i]);
+      count++;
+      next = Math.round(start + count * spacing);
+    }
+  }
+}
+function getEvenSpacing(arr) {
+  const len = arr.length;
+  let i, diff;
+  if (len < 2) {
+    return false;
+  }
+  for (diff = arr[0], i = 1; i < len; ++i) {
+    if (arr[i] - arr[i - 1] !== diff) {
+      return false;
+    }
+  }
+  return diff;
+}
+
+const reverseAlign = (align) => align === 'left' ? 'right' : align === 'right' ? 'left' : align;
+const offsetFromEdge = (scale, edge, offset) => edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset;
+function sample(arr, numItems) {
+  const result = [];
+  const increment = arr.length / numItems;
+  const len = arr.length;
+  let i = 0;
+  for (; i < len; i += increment) {
+    result.push(arr[Math.floor(i)]);
+  }
+  return result;
+}
+function getPixelForGridLine(scale, index, offsetGridLines) {
+  const length = scale.ticks.length;
+  const validIndex = Math.min(index, length - 1);
+  const start = scale._startPixel;
+  const end = scale._endPixel;
+  const epsilon = 1e-6;
+  let lineValue = scale.getPixelForTick(validIndex);
+  let offset;
+  if (offsetGridLines) {
+    if (length === 1) {
+      offset = Math.max(lineValue - start, end - lineValue);
+    } else if (index === 0) {
+      offset = (scale.getPixelForTick(1) - lineValue) / 2;
+    } else {
+      offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2;
+    }
+    lineValue += validIndex < index ? offset : -offset;
+    if (lineValue < start - epsilon || lineValue > end + epsilon) {
+      return;
+    }
+  }
+  return lineValue;
+}
+function garbageCollect(caches, length) {
+  each(caches, (cache) => {
+    const gc = cache.gc;
+    const gcLen = gc.length / 2;
+    let i;
+    if (gcLen > length) {
+      for (i = 0; i < gcLen; ++i) {
+        delete cache.data[gc[i]];
+      }
+      gc.splice(0, gcLen);
+    }
+  });
+}
+function getTickMarkLength(options) {
+  return options.drawTicks ? options.tickLength : 0;
+}
+function getTitleHeight(options, fallback) {
+  if (!options.display) {
+    return 0;
+  }
+  const font = toFont(options.font, fallback);
+  const padding = toPadding(options.padding);
+  const lines = isArray(options.text) ? options.text.length : 1;
+  return (lines * font.lineHeight) + padding.height;
+}
+function createScaleContext(parent, scale) {
+  return createContext(parent, {
+    scale,
+    type: 'scale'
+  });
+}
+function createTickContext(parent, index, tick) {
+  return createContext(parent, {
+    tick,
+    index,
+    type: 'tick'
+  });
+}
+function titleAlign(align, position, reverse) {
+  let ret = _toLeftRightCenter(align);
+  if ((reverse && position !== 'right') || (!reverse && position === 'right')) {
+    ret = reverseAlign(ret);
+  }
+  return ret;
+}
+function titleArgs(scale, offset, position, align) {
+  const {top, left, bottom, right, chart} = scale;
+  const {chartArea, scales} = chart;
+  let rotation = 0;
+  let maxWidth, titleX, titleY;
+  const height = bottom - top;
+  const width = right - left;
+  if (scale.isHorizontal()) {
+    titleX = _alignStartEnd(align, left, right);
+    if (isObject(position)) {
+      const positionAxisID = Object.keys(position)[0];
+      const value = position[positionAxisID];
+      titleY = scales[positionAxisID].getPixelForValue(value) + height - offset;
+    } else if (position === 'center') {
+      titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset;
+    } else {
+      titleY = offsetFromEdge(scale, position, offset);
+    }
+    maxWidth = right - left;
+  } else {
+    if (isObject(position)) {
+      const positionAxisID = Object.keys(position)[0];
+      const value = position[positionAxisID];
+      titleX = scales[positionAxisID].getPixelForValue(value) - width + offset;
+    } else if (position === 'center') {
+      titleX = (chartArea.left + chartArea.right) / 2 - width + offset;
+    } else {
+      titleX = offsetFromEdge(scale, position, offset);
+    }
+    titleY = _alignStartEnd(align, bottom, top);
+    rotation = position === 'left' ? -HALF_PI : HALF_PI;
+  }
+  return {titleX, titleY, maxWidth, rotation};
+}
+class Scale extends Element {
+  constructor(cfg) {
+    super();
+    this.id = cfg.id;
+    this.type = cfg.type;
+    this.options = undefined;
+    this.ctx = cfg.ctx;
+    this.chart = cfg.chart;
+    this.top = undefined;
+    this.bottom = undefined;
+    this.left = undefined;
+    this.right = undefined;
+    this.width = undefined;
+    this.height = undefined;
+    this._margins = {
+      left: 0,
+      right: 0,
+      top: 0,
+      bottom: 0
+    };
+    this.maxWidth = undefined;
+    this.maxHeight = undefined;
+    this.paddingTop = undefined;
+    this.paddingBottom = undefined;
+    this.paddingLeft = undefined;
+    this.paddingRight = undefined;
+    this.axis = undefined;
+    this.labelRotation = undefined;
+    this.min = undefined;
+    this.max = undefined;
+    this._range = undefined;
+    this.ticks = [];
+    this._gridLineItems = null;
+    this._labelItems = null;
+    this._labelSizes = null;
+    this._length = 0;
+    this._maxLength = 0;
+    this._longestTextCache = {};
+    this._startPixel = undefined;
+    this._endPixel = undefined;
+    this._reversePixels = false;
+    this._userMax = undefined;
+    this._userMin = undefined;
+    this._suggestedMax = undefined;
+    this._suggestedMin = undefined;
+    this._ticksLength = 0;
+    this._borderValue = 0;
+    this._cache = {};
+    this._dataLimitsCached = false;
+    this.$context = undefined;
+  }
+  init(options) {
+    this.options = options.setContext(this.getContext());
+    this.axis = options.axis;
+    this._userMin = this.parse(options.min);
+    this._userMax = this.parse(options.max);
+    this._suggestedMin = this.parse(options.suggestedMin);
+    this._suggestedMax = this.parse(options.suggestedMax);
+  }
+  parse(raw, index) {
+    return raw;
+  }
+  getUserBounds() {
+    let {_userMin, _userMax, _suggestedMin, _suggestedMax} = this;
+    _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY);
+    _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY);
+    _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY);
+    _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY);
+    return {
+      min: finiteOrDefault(_userMin, _suggestedMin),
+      max: finiteOrDefault(_userMax, _suggestedMax),
+      minDefined: isNumberFinite(_userMin),
+      maxDefined: isNumberFinite(_userMax)
+    };
+  }
+  getMinMax(canStack) {
+    let {min, max, minDefined, maxDefined} = this.getUserBounds();
+    let range;
+    if (minDefined && maxDefined) {
+      return {min, max};
+    }
+    const metas = this.getMatchingVisibleMetas();
+    for (let i = 0, ilen = metas.length; i < ilen; ++i) {
+      range = metas[i].controller.getMinMax(this, canStack);
+      if (!minDefined) {
+        min = Math.min(min, range.min);
+      }
+      if (!maxDefined) {
+        max = Math.max(max, range.max);
+      }
+    }
+    min = maxDefined && min > max ? max : min;
+    max = minDefined && min > max ? min : max;
+    return {
+      min: finiteOrDefault(min, finiteOrDefault(max, min)),
+      max: finiteOrDefault(max, finiteOrDefault(min, max))
+    };
+  }
+  getPadding() {
+    return {
+      left: this.paddingLeft || 0,
+      top: this.paddingTop || 0,
+      right: this.paddingRight || 0,
+      bottom: this.paddingBottom || 0
+    };
+  }
+  getTicks() {
+    return this.ticks;
+  }
+  getLabels() {
+    const data = this.chart.data;
+    return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || [];
+  }
+  beforeLayout() {
+    this._cache = {};
+    this._dataLimitsCached = false;
+  }
+  beforeUpdate() {
+    callback(this.options.beforeUpdate, [this]);
+  }
+  update(maxWidth, maxHeight, margins) {
+    const {beginAtZero, grace, ticks: tickOpts} = this.options;
+    const sampleSize = tickOpts.sampleSize;
+    this.beforeUpdate();
+    this.maxWidth = maxWidth;
+    this.maxHeight = maxHeight;
+    this._margins = margins = Object.assign({
+      left: 0,
+      right: 0,
+      top: 0,
+      bottom: 0
+    }, margins);
+    this.ticks = null;
+    this._labelSizes = null;
+    this._gridLineItems = null;
+    this._labelItems = null;
+    this.beforeSetDimensions();
+    this.setDimensions();
+    this.afterSetDimensions();
+    this._maxLength = this.isHorizontal()
+      ? this.width + margins.left + margins.right
+      : this.height + margins.top + margins.bottom;
+    if (!this._dataLimitsCached) {
+      this.beforeDataLimits();
+      this.determineDataLimits();
+      this.afterDataLimits();
+      this._range = _addGrace(this, grace, beginAtZero);
+      this._dataLimitsCached = true;
+    }
+    this.beforeBuildTicks();
+    this.ticks = this.buildTicks() || [];
+    this.afterBuildTicks();
+    const samplingEnabled = sampleSize < this.ticks.length;
+    this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks);
+    this.configure();
+    this.beforeCalculateLabelRotation();
+    this.calculateLabelRotation();
+    this.afterCalculateLabelRotation();
+    if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) {
+      this.ticks = autoSkip(this, this.ticks);
+      this._labelSizes = null;
+    }
+    if (samplingEnabled) {
+      this._convertTicksToLabels(this.ticks);
+    }
+    this.beforeFit();
+    this.fit();
+    this.afterFit();
+    this.afterUpdate();
+  }
+  configure() {
+    let reversePixels = this.options.reverse;
+    let startPixel, endPixel;
+    if (this.isHorizontal()) {
+      startPixel = this.left;
+      endPixel = this.right;
+    } else {
+      startPixel = this.top;
+      endPixel = this.bottom;
+      reversePixels = !reversePixels;
+    }
+    this._startPixel = startPixel;
+    this._endPixel = endPixel;
+    this._reversePixels = reversePixels;
+    this._length = endPixel - startPixel;
+    this._alignToPixels = this.options.alignToPixels;
+  }
+  afterUpdate() {
+    callback(this.options.afterUpdate, [this]);
+  }
+  beforeSetDimensions() {
+    callback(this.options.beforeSetDimensions, [this]);
+  }
+  setDimensions() {
+    if (this.isHorizontal()) {
+      this.width = this.maxWidth;
+      this.left = 0;
+      this.right = this.width;
+    } else {
+      this.height = this.maxHeight;
+      this.top = 0;
+      this.bottom = this.height;
+    }
+    this.paddingLeft = 0;
+    this.paddingTop = 0;
+    this.paddingRight = 0;
+    this.paddingBottom = 0;
+  }
+  afterSetDimensions() {
+    callback(this.options.afterSetDimensions, [this]);
+  }
+  _callHooks(name) {
+    this.chart.notifyPlugins(name, this.getContext());
+    callback(this.options[name], [this]);
+  }
+  beforeDataLimits() {
+    this._callHooks('beforeDataLimits');
+  }
+  determineDataLimits() {}
+  afterDataLimits() {
+    this._callHooks('afterDataLimits');
+  }
+  beforeBuildTicks() {
+    this._callHooks('beforeBuildTicks');
+  }
+  buildTicks() {
+    return [];
+  }
+  afterBuildTicks() {
+    this._callHooks('afterBuildTicks');
+  }
+  beforeTickToLabelConversion() {
+    callback(this.options.beforeTickToLabelConversion, [this]);
+  }
+  generateTickLabels(ticks) {
+    const tickOpts = this.options.ticks;
+    let i, ilen, tick;
+    for (i = 0, ilen = ticks.length; i < ilen; i++) {
+      tick = ticks[i];
+      tick.label = callback(tickOpts.callback, [tick.value, i, ticks], this);
+    }
+  }
+  afterTickToLabelConversion() {
+    callback(this.options.afterTickToLabelConversion, [this]);
+  }
+  beforeCalculateLabelRotation() {
+    callback(this.options.beforeCalculateLabelRotation, [this]);
+  }
+  calculateLabelRotation() {
+    const options = this.options;
+    const tickOpts = options.ticks;
+    const numTicks = this.ticks.length;
+    const minRotation = tickOpts.minRotation || 0;
+    const maxRotation = tickOpts.maxRotation;
+    let labelRotation = minRotation;
+    let tickWidth, maxHeight, maxLabelDiagonal;
+    if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) {
+      this.labelRotation = minRotation;
+      return;
+    }
+    const labelSizes = this._getLabelSizes();
+    const maxLabelWidth = labelSizes.widest.width;
+    const maxLabelHeight = labelSizes.highest.height;
+    const maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth);
+    tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1);
+    if (maxLabelWidth + 6 > tickWidth) {
+      tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1));
+      maxHeight = this.maxHeight - getTickMarkLength(options.grid)
+				- tickOpts.padding - getTitleHeight(options.title, this.chart.options.font);
+      maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight);
+      labelRotation = toDegrees(Math.min(
+        Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)),
+        Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1))
+      ));
+      labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation));
+    }
+    this.labelRotation = labelRotation;
+  }
+  afterCalculateLabelRotation() {
+    callback(this.options.afterCalculateLabelRotation, [this]);
+  }
+  beforeFit() {
+    callback(this.options.beforeFit, [this]);
+  }
+  fit() {
+    const minSize = {
+      width: 0,
+      height: 0
+    };
+    const {chart, options: {ticks: tickOpts, title: titleOpts, grid: gridOpts}} = this;
+    const display = this._isVisible();
+    const isHorizontal = this.isHorizontal();
+    if (display) {
+      const titleHeight = getTitleHeight(titleOpts, chart.options.font);
+      if (isHorizontal) {
+        minSize.width = this.maxWidth;
+        minSize.height = getTickMarkLength(gridOpts) + titleHeight;
+      } else {
+        minSize.height = this.maxHeight;
+        minSize.width = getTickMarkLength(gridOpts) + titleHeight;
+      }
+      if (tickOpts.display && this.ticks.length) {
+        const {first, last, widest, highest} = this._getLabelSizes();
+        const tickPadding = tickOpts.padding * 2;
+        const angleRadians = toRadians(this.labelRotation);
+        const cos = Math.cos(angleRadians);
+        const sin = Math.sin(angleRadians);
+        if (isHorizontal) {
+          const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height;
+          minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding);
+        } else {
+          const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height;
+          minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding);
+        }
+        this._calculatePadding(first, last, sin, cos);
+      }
+    }
+    this._handleMargins();
+    if (isHorizontal) {
+      this.width = this._length = chart.width - this._margins.left - this._margins.right;
+      this.height = minSize.height;
+    } else {
+      this.width = minSize.width;
+      this.height = this._length = chart.height - this._margins.top - this._margins.bottom;
+    }
+  }
+  _calculatePadding(first, last, sin, cos) {
+    const {ticks: {align, padding}, position} = this.options;
+    const isRotated = this.labelRotation !== 0;
+    const labelsBelowTicks = position !== 'top' && this.axis === 'x';
+    if (this.isHorizontal()) {
+      const offsetLeft = this.getPixelForTick(0) - this.left;
+      const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1);
+      let paddingLeft = 0;
+      let paddingRight = 0;
+      if (isRotated) {
+        if (labelsBelowTicks) {
+          paddingLeft = cos * first.width;
+          paddingRight = sin * last.height;
+        } else {
+          paddingLeft = sin * first.height;
+          paddingRight = cos * last.width;
+        }
+      } else if (align === 'start') {
+        paddingRight = last.width;
+      } else if (align === 'end') {
+        paddingLeft = first.width;
+      } else {
+        paddingLeft = first.width / 2;
+        paddingRight = last.width / 2;
+      }
+      this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0);
+      this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0);
+    } else {
+      let paddingTop = last.height / 2;
+      let paddingBottom = first.height / 2;
+      if (align === 'start') {
+        paddingTop = 0;
+        paddingBottom = first.height;
+      } else if (align === 'end') {
+        paddingTop = last.height;
+        paddingBottom = 0;
+      }
+      this.paddingTop = paddingTop + padding;
+      this.paddingBottom = paddingBottom + padding;
+    }
+  }
+  _handleMargins() {
+    if (this._margins) {
+      this._margins.left = Math.max(this.paddingLeft, this._margins.left);
+      this._margins.top = Math.max(this.paddingTop, this._margins.top);
+      this._margins.right = Math.max(this.paddingRight, this._margins.right);
+      this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom);
+    }
+  }
+  afterFit() {
+    callback(this.options.afterFit, [this]);
+  }
+  isHorizontal() {
+    const {axis, position} = this.options;
+    return position === 'top' || position === 'bottom' || axis === 'x';
+  }
+  isFullSize() {
+    return this.options.fullSize;
+  }
+  _convertTicksToLabels(ticks) {
+    this.beforeTickToLabelConversion();
+    this.generateTickLabels(ticks);
+    let i, ilen;
+    for (i = 0, ilen = ticks.length; i < ilen; i++) {
+      if (isNullOrUndef(ticks[i].label)) {
+        ticks.splice(i, 1);
+        ilen--;
+        i--;
+      }
+    }
+    this.afterTickToLabelConversion();
+  }
+  _getLabelSizes() {
+    let labelSizes = this._labelSizes;
+    if (!labelSizes) {
+      const sampleSize = this.options.ticks.sampleSize;
+      let ticks = this.ticks;
+      if (sampleSize < ticks.length) {
+        ticks = sample(ticks, sampleSize);
+      }
+      this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length);
+    }
+    return labelSizes;
+  }
+  _computeLabelSizes(ticks, length) {
+    const {ctx, _longestTextCache: caches} = this;
+    const widths = [];
+    const heights = [];
+    let widestLabelSize = 0;
+    let highestLabelSize = 0;
+    let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel;
+    for (i = 0; i < length; ++i) {
+      label = ticks[i].label;
+      tickFont = this._resolveTickFontOptions(i);
+      ctx.font = fontString = tickFont.string;
+      cache = caches[fontString] = caches[fontString] || {data: {}, gc: []};
+      lineHeight = tickFont.lineHeight;
+      width = height = 0;
+      if (!isNullOrUndef(label) && !isArray(label)) {
+        width = _measureText(ctx, cache.data, cache.gc, width, label);
+        height = lineHeight;
+      } else if (isArray(label)) {
+        for (j = 0, jlen = label.length; j < jlen; ++j) {
+          nestedLabel = label[j];
+          if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) {
+            width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel);
+            height += lineHeight;
+          }
+        }
+      }
+      widths.push(width);
+      heights.push(height);
+      widestLabelSize = Math.max(width, widestLabelSize);
+      highestLabelSize = Math.max(height, highestLabelSize);
+    }
+    garbageCollect(caches, length);
+    const widest = widths.indexOf(widestLabelSize);
+    const highest = heights.indexOf(highestLabelSize);
+    const valueAt = (idx) => ({width: widths[idx] || 0, height: heights[idx] || 0});
+    return {
+      first: valueAt(0),
+      last: valueAt(length - 1),
+      widest: valueAt(widest),
+      highest: valueAt(highest),
+      widths,
+      heights,
+    };
+  }
+  getLabelForValue(value) {
+    return value;
+  }
+  getPixelForValue(value, index) {
+    return NaN;
+  }
+  getValueForPixel(pixel) {}
+  getPixelForTick(index) {
+    const ticks = this.ticks;
+    if (index < 0 || index > ticks.length - 1) {
+      return null;
+    }
+    return this.getPixelForValue(ticks[index].value);
+  }
+  getPixelForDecimal(decimal) {
+    if (this._reversePixels) {
+      decimal = 1 - decimal;
+    }
+    const pixel = this._startPixel + decimal * this._length;
+    return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel);
+  }
+  getDecimalForPixel(pixel) {
+    const decimal = (pixel - this._startPixel) / this._length;
+    return this._reversePixels ? 1 - decimal : decimal;
+  }
+  getBasePixel() {
+    return this.getPixelForValue(this.getBaseValue());
+  }
+  getBaseValue() {
+    const {min, max} = this;
+    return min < 0 && max < 0 ? max :
+      min > 0 && max > 0 ? min :
+      0;
+  }
+  getContext(index) {
+    const ticks = this.ticks || [];
+    if (index >= 0 && index < ticks.length) {
+      const tick = ticks[index];
+      return tick.$context ||
+				(tick.$context = createTickContext(this.getContext(), index, tick));
+    }
+    return this.$context ||
+			(this.$context = createScaleContext(this.chart.getContext(), this));
+  }
+  _tickSize() {
+    const optionTicks = this.options.ticks;
+    const rot = toRadians(this.labelRotation);
+    const cos = Math.abs(Math.cos(rot));
+    const sin = Math.abs(Math.sin(rot));
+    const labelSizes = this._getLabelSizes();
+    const padding = optionTicks.autoSkipPadding || 0;
+    const w = labelSizes ? labelSizes.widest.width + padding : 0;
+    const h = labelSizes ? labelSizes.highest.height + padding : 0;
+    return this.isHorizontal()
+      ? h * cos > w * sin ? w / cos : h / sin
+      : h * sin < w * cos ? h / cos : w / sin;
+  }
+  _isVisible() {
+    const display = this.options.display;
+    if (display !== 'auto') {
+      return !!display;
+    }
+    return this.getMatchingVisibleMetas().length > 0;
+  }
+  _computeGridLineItems(chartArea) {
+    const axis = this.axis;
+    const chart = this.chart;
+    const options = this.options;
+    const {grid, position} = options;
+    const offset = grid.offset;
+    const isHorizontal = this.isHorizontal();
+    const ticks = this.ticks;
+    const ticksLength = ticks.length + (offset ? 1 : 0);
+    const tl = getTickMarkLength(grid);
+    const items = [];
+    const borderOpts = grid.setContext(this.getContext());
+    const axisWidth = borderOpts.drawBorder ? borderOpts.borderWidth : 0;
+    const axisHalfWidth = axisWidth / 2;
+    const alignBorderValue = function(pixel) {
+      return _alignPixel(chart, pixel, axisWidth);
+    };
+    let borderValue, i, lineValue, alignedLineValue;
+    let tx1, ty1, tx2, ty2, x1, y1, x2, y2;
+    if (position === 'top') {
+      borderValue = alignBorderValue(this.bottom);
+      ty1 = this.bottom - tl;
+      ty2 = borderValue - axisHalfWidth;
+      y1 = alignBorderValue(chartArea.top) + axisHalfWidth;
+      y2 = chartArea.bottom;
+    } else if (position === 'bottom') {
+      borderValue = alignBorderValue(this.top);
+      y1 = chartArea.top;
+      y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth;
+      ty1 = borderValue + axisHalfWidth;
+      ty2 = this.top + tl;
+    } else if (position === 'left') {
+      borderValue = alignBorderValue(this.right);
+      tx1 = this.right - tl;
+      tx2 = borderValue - axisHalfWidth;
+      x1 = alignBorderValue(chartArea.left) + axisHalfWidth;
+      x2 = chartArea.right;
+    } else if (position === 'right') {
+      borderValue = alignBorderValue(this.left);
+      x1 = chartArea.left;
+      x2 = alignBorderValue(chartArea.right) - axisHalfWidth;
+      tx1 = borderValue + axisHalfWidth;
+      tx2 = this.left + tl;
+    } else if (axis === 'x') {
+      if (position === 'center') {
+        borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5);
+      } else if (isObject(position)) {
+        const positionAxisID = Object.keys(position)[0];
+        const value = position[positionAxisID];
+        borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value));
+      }
+      y1 = chartArea.top;
+      y2 = chartArea.bottom;
+      ty1 = borderValue + axisHalfWidth;
+      ty2 = ty1 + tl;
+    } else if (axis === 'y') {
+      if (position === 'center') {
+        borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2);
+      } else if (isObject(position)) {
+        const positionAxisID = Object.keys(position)[0];
+        const value = position[positionAxisID];
+        borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value));
+      }
+      tx1 = borderValue - axisHalfWidth;
+      tx2 = tx1 - tl;
+      x1 = chartArea.left;
+      x2 = chartArea.right;
+    }
+    const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength);
+    const step = Math.max(1, Math.ceil(ticksLength / limit));
+    for (i = 0; i < ticksLength; i += step) {
+      const optsAtIndex = grid.setContext(this.getContext(i));
+      const lineWidth = optsAtIndex.lineWidth;
+      const lineColor = optsAtIndex.color;
+      const borderDash = grid.borderDash || [];
+      const borderDashOffset = optsAtIndex.borderDashOffset;
+      const tickWidth = optsAtIndex.tickWidth;
+      const tickColor = optsAtIndex.tickColor;
+      const tickBorderDash = optsAtIndex.tickBorderDash || [];
+      const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset;
+      lineValue = getPixelForGridLine(this, i, offset);
+      if (lineValue === undefined) {
+        continue;
+      }
+      alignedLineValue = _alignPixel(chart, lineValue, lineWidth);
+      if (isHorizontal) {
+        tx1 = tx2 = x1 = x2 = alignedLineValue;
+      } else {
+        ty1 = ty2 = y1 = y2 = alignedLineValue;
+      }
+      items.push({
+        tx1,
+        ty1,
+        tx2,
+        ty2,
+        x1,
+        y1,
+        x2,
+        y2,
+        width: lineWidth,
+        color: lineColor,
+        borderDash,
+        borderDashOffset,
+        tickWidth,
+        tickColor,
+        tickBorderDash,
+        tickBorderDashOffset,
+      });
+    }
+    this._ticksLength = ticksLength;
+    this._borderValue = borderValue;
+    return items;
+  }
+  _computeLabelItems(chartArea) {
+    const axis = this.axis;
+    const options = this.options;
+    const {position, ticks: optionTicks} = options;
+    const isHorizontal = this.isHorizontal();
+    const ticks = this.ticks;
+    const {align, crossAlign, padding, mirror} = optionTicks;
+    const tl = getTickMarkLength(options.grid);
+    const tickAndPadding = tl + padding;
+    const hTickAndPadding = mirror ? -padding : tickAndPadding;
+    const rotation = -toRadians(this.labelRotation);
+    const items = [];
+    let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset;
+    let textBaseline = 'middle';
+    if (position === 'top') {
+      y = this.bottom - hTickAndPadding;
+      textAlign = this._getXAxisLabelAlignment();
+    } else if (position === 'bottom') {
+      y = this.top + hTickAndPadding;
+      textAlign = this._getXAxisLabelAlignment();
+    } else if (position === 'left') {
+      const ret = this._getYAxisLabelAlignment(tl);
+      textAlign = ret.textAlign;
+      x = ret.x;
+    } else if (position === 'right') {
+      const ret = this._getYAxisLabelAlignment(tl);
+      textAlign = ret.textAlign;
+      x = ret.x;
+    } else if (axis === 'x') {
+      if (position === 'center') {
+        y = ((chartArea.top + chartArea.bottom) / 2) + tickAndPadding;
+      } else if (isObject(position)) {
+        const positionAxisID = Object.keys(position)[0];
+        const value = position[positionAxisID];
+        y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding;
+      }
+      textAlign = this._getXAxisLabelAlignment();
+    } else if (axis === 'y') {
+      if (position === 'center') {
+        x = ((chartArea.left + chartArea.right) / 2) - tickAndPadding;
+      } else if (isObject(position)) {
+        const positionAxisID = Object.keys(position)[0];
+        const value = position[positionAxisID];
+        x = this.chart.scales[positionAxisID].getPixelForValue(value);
+      }
+      textAlign = this._getYAxisLabelAlignment(tl).textAlign;
+    }
+    if (axis === 'y') {
+      if (align === 'start') {
+        textBaseline = 'top';
+      } else if (align === 'end') {
+        textBaseline = 'bottom';
+      }
+    }
+    const labelSizes = this._getLabelSizes();
+    for (i = 0, ilen = ticks.length; i < ilen; ++i) {
+      tick = ticks[i];
+      label = tick.label;
+      const optsAtIndex = optionTicks.setContext(this.getContext(i));
+      pixel = this.getPixelForTick(i) + optionTicks.labelOffset;
+      font = this._resolveTickFontOptions(i);
+      lineHeight = font.lineHeight;
+      lineCount = isArray(label) ? label.length : 1;
+      const halfCount = lineCount / 2;
+      const color = optsAtIndex.color;
+      const strokeColor = optsAtIndex.textStrokeColor;
+      const strokeWidth = optsAtIndex.textStrokeWidth;
+      if (isHorizontal) {
+        x = pixel;
+        if (position === 'top') {
+          if (crossAlign === 'near' || rotation !== 0) {
+            textOffset = -lineCount * lineHeight + lineHeight / 2;
+          } else if (crossAlign === 'center') {
+            textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight;
+          } else {
+            textOffset = -labelSizes.highest.height + lineHeight / 2;
+          }
+        } else {
+          if (crossAlign === 'near' || rotation !== 0) {
+            textOffset = lineHeight / 2;
+          } else if (crossAlign === 'center') {
+            textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight;
+          } else {
+            textOffset = labelSizes.highest.height - lineCount * lineHeight;
+          }
+        }
+        if (mirror) {
+          textOffset *= -1;
+        }
+      } else {
+        y = pixel;
+        textOffset = (1 - lineCount) * lineHeight / 2;
+      }
+      let backdrop;
+      if (optsAtIndex.showLabelBackdrop) {
+        const labelPadding = toPadding(optsAtIndex.backdropPadding);
+        const height = labelSizes.heights[i];
+        const width = labelSizes.widths[i];
+        let top = y + textOffset - labelPadding.top;
+        let left = x - labelPadding.left;
+        switch (textBaseline) {
+        case 'middle':
+          top -= height / 2;
+          break;
+        case 'bottom':
+          top -= height;
+          break;
+        }
+        switch (textAlign) {
+        case 'center':
+          left -= width / 2;
+          break;
+        case 'right':
+          left -= width;
+          break;
+        }
+        backdrop = {
+          left,
+          top,
+          width: width + labelPadding.width,
+          height: height + labelPadding.height,
+          color: optsAtIndex.backdropColor,
+        };
+      }
+      items.push({
+        rotation,
+        label,
+        font,
+        color,
+        strokeColor,
+        strokeWidth,
+        textOffset,
+        textAlign,
+        textBaseline,
+        translation: [x, y],
+        backdrop,
+      });
+    }
+    return items;
+  }
+  _getXAxisLabelAlignment() {
+    const {position, ticks} = this.options;
+    const rotation = -toRadians(this.labelRotation);
+    if (rotation) {
+      return position === 'top' ? 'left' : 'right';
+    }
+    let align = 'center';
+    if (ticks.align === 'start') {
+      align = 'left';
+    } else if (ticks.align === 'end') {
+      align = 'right';
+    }
+    return align;
+  }
+  _getYAxisLabelAlignment(tl) {
+    const {position, ticks: {crossAlign, mirror, padding}} = this.options;
+    const labelSizes = this._getLabelSizes();
+    const tickAndPadding = tl + padding;
+    const widest = labelSizes.widest.width;
+    let textAlign;
+    let x;
+    if (position === 'left') {
+      if (mirror) {
+        x = this.right + padding;
+        if (crossAlign === 'near') {
+          textAlign = 'left';
+        } else if (crossAlign === 'center') {
+          textAlign = 'center';
+          x += (widest / 2);
+        } else {
+          textAlign = 'right';
+          x += widest;
+        }
+      } else {
+        x = this.right - tickAndPadding;
+        if (crossAlign === 'near') {
+          textAlign = 'right';
+        } else if (crossAlign === 'center') {
+          textAlign = 'center';
+          x -= (widest / 2);
+        } else {
+          textAlign = 'left';
+          x = this.left;
+        }
+      }
+    } else if (position === 'right') {
+      if (mirror) {
+        x = this.left + padding;
+        if (crossAlign === 'near') {
+          textAlign = 'right';
+        } else if (crossAlign === 'center') {
+          textAlign = 'center';
+          x -= (widest / 2);
+        } else {
+          textAlign = 'left';
+          x -= widest;
+        }
+      } else {
+        x = this.left + tickAndPadding;
+        if (crossAlign === 'near') {
+          textAlign = 'left';
+        } else if (crossAlign === 'center') {
+          textAlign = 'center';
+          x += widest / 2;
+        } else {
+          textAlign = 'right';
+          x = this.right;
+        }
+      }
+    } else {
+      textAlign = 'right';
+    }
+    return {textAlign, x};
+  }
+  _computeLabelArea() {
+    if (this.options.ticks.mirror) {
+      return;
+    }
+    const chart = this.chart;
+    const position = this.options.position;
+    if (position === 'left' || position === 'right') {
+      return {top: 0, left: this.left, bottom: chart.height, right: this.right};
+    } if (position === 'top' || position === 'bottom') {
+      return {top: this.top, left: 0, bottom: this.bottom, right: chart.width};
+    }
+  }
+  drawBackground() {
+    const {ctx, options: {backgroundColor}, left, top, width, height} = this;
+    if (backgroundColor) {
+      ctx.save();
+      ctx.fillStyle = backgroundColor;
+      ctx.fillRect(left, top, width, height);
+      ctx.restore();
+    }
+  }
+  getLineWidthForValue(value) {
+    const grid = this.options.grid;
+    if (!this._isVisible() || !grid.display) {
+      return 0;
+    }
+    const ticks = this.ticks;
+    const index = ticks.findIndex(t => t.value === value);
+    if (index >= 0) {
+      const opts = grid.setContext(this.getContext(index));
+      return opts.lineWidth;
+    }
+    return 0;
+  }
+  drawGrid(chartArea) {
+    const grid = this.options.grid;
+    const ctx = this.ctx;
+    const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea));
+    let i, ilen;
+    const drawLine = (p1, p2, style) => {
+      if (!style.width || !style.color) {
+        return;
+      }
+      ctx.save();
+      ctx.lineWidth = style.width;
+      ctx.strokeStyle = style.color;
+      ctx.setLineDash(style.borderDash || []);
+      ctx.lineDashOffset = style.borderDashOffset;
+      ctx.beginPath();
+      ctx.moveTo(p1.x, p1.y);
+      ctx.lineTo(p2.x, p2.y);
+      ctx.stroke();
+      ctx.restore();
+    };
+    if (grid.display) {
+      for (i = 0, ilen = items.length; i < ilen; ++i) {
+        const item = items[i];
+        if (grid.drawOnChartArea) {
+          drawLine(
+            {x: item.x1, y: item.y1},
+            {x: item.x2, y: item.y2},
+            item
+          );
+        }
+        if (grid.drawTicks) {
+          drawLine(
+            {x: item.tx1, y: item.ty1},
+            {x: item.tx2, y: item.ty2},
+            {
+              color: item.tickColor,
+              width: item.tickWidth,
+              borderDash: item.tickBorderDash,
+              borderDashOffset: item.tickBorderDashOffset
+            }
+          );
+        }
+      }
+    }
+  }
+  drawBorder() {
+    const {chart, ctx, options: {grid}} = this;
+    const borderOpts = grid.setContext(this.getContext());
+    const axisWidth = grid.drawBorder ? borderOpts.borderWidth : 0;
+    if (!axisWidth) {
+      return;
+    }
+    const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth;
+    const borderValue = this._borderValue;
+    let x1, x2, y1, y2;
+    if (this.isHorizontal()) {
+      x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2;
+      x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2;
+      y1 = y2 = borderValue;
+    } else {
+      y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2;
+      y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2;
+      x1 = x2 = borderValue;
+    }
+    ctx.save();
+    ctx.lineWidth = borderOpts.borderWidth;
+    ctx.strokeStyle = borderOpts.borderColor;
+    ctx.beginPath();
+    ctx.moveTo(x1, y1);
+    ctx.lineTo(x2, y2);
+    ctx.stroke();
+    ctx.restore();
+  }
+  drawLabels(chartArea) {
+    const optionTicks = this.options.ticks;
+    if (!optionTicks.display) {
+      return;
+    }
+    const ctx = this.ctx;
+    const area = this._computeLabelArea();
+    if (area) {
+      clipArea(ctx, area);
+    }
+    const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea));
+    let i, ilen;
+    for (i = 0, ilen = items.length; i < ilen; ++i) {
+      const item = items[i];
+      const tickFont = item.font;
+      const label = item.label;
+      if (item.backdrop) {
+        ctx.fillStyle = item.backdrop.color;
+        ctx.fillRect(item.backdrop.left, item.backdrop.top, item.backdrop.width, item.backdrop.height);
+      }
+      let y = item.textOffset;
+      renderText(ctx, label, 0, y, tickFont, item);
+    }
+    if (area) {
+      unclipArea(ctx);
+    }
+  }
+  drawTitle() {
+    const {ctx, options: {position, title, reverse}} = this;
+    if (!title.display) {
+      return;
+    }
+    const font = toFont(title.font);
+    const padding = toPadding(title.padding);
+    const align = title.align;
+    let offset = font.lineHeight / 2;
+    if (position === 'bottom' || position === 'center' || isObject(position)) {
+      offset += padding.bottom;
+      if (isArray(title.text)) {
+        offset += font.lineHeight * (title.text.length - 1);
+      }
+    } else {
+      offset += padding.top;
+    }
+    const {titleX, titleY, maxWidth, rotation} = titleArgs(this, offset, position, align);
+    renderText(ctx, title.text, 0, 0, font, {
+      color: title.color,
+      maxWidth,
+      rotation,
+      textAlign: titleAlign(align, position, reverse),
+      textBaseline: 'middle',
+      translation: [titleX, titleY],
+    });
+  }
+  draw(chartArea) {
+    if (!this._isVisible()) {
+      return;
+    }
+    this.drawBackground();
+    this.drawGrid(chartArea);
+    this.drawBorder();
+    this.drawTitle();
+    this.drawLabels(chartArea);
+  }
+  _layers() {
+    const opts = this.options;
+    const tz = opts.ticks && opts.ticks.z || 0;
+    const gz = valueOrDefault(opts.grid && opts.grid.z, -1);
+    if (!this._isVisible() || this.draw !== Scale.prototype.draw) {
+      return [{
+        z: tz,
+        draw: (chartArea) => {
+          this.draw(chartArea);
+        }
+      }];
+    }
+    return [{
+      z: gz,
+      draw: (chartArea) => {
+        this.drawBackground();
+        this.drawGrid(chartArea);
+        this.drawTitle();
+      }
+    }, {
+      z: gz + 1,
+      draw: () => {
+        this.drawBorder();
+      }
+    }, {
+      z: tz,
+      draw: (chartArea) => {
+        this.drawLabels(chartArea);
+      }
+    }];
+  }
+  getMatchingVisibleMetas(type) {
+    const metas = this.chart.getSortedVisibleDatasetMetas();
+    const axisID = this.axis + 'AxisID';
+    const result = [];
+    let i, ilen;
+    for (i = 0, ilen = metas.length; i < ilen; ++i) {
+      const meta = metas[i];
+      if (meta[axisID] === this.id && (!type || meta.type === type)) {
+        result.push(meta);
+      }
+    }
+    return result;
+  }
+  _resolveTickFontOptions(index) {
+    const opts = this.options.ticks.setContext(this.getContext(index));
+    return toFont(opts.font);
+  }
+  _maxDigits() {
+    const fontSize = this._resolveTickFontOptions(0).lineHeight;
+    return (this.isHorizontal() ? this.width : this.height) / fontSize;
+  }
+}
+
+class TypedRegistry {
+  constructor(type, scope, override) {
+    this.type = type;
+    this.scope = scope;
+    this.override = override;
+    this.items = Object.create(null);
+  }
+  isForType(type) {
+    return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype);
+  }
+  register(item) {
+    const proto = Object.getPrototypeOf(item);
+    let parentScope;
+    if (isIChartComponent(proto)) {
+      parentScope = this.register(proto);
+    }
+    const items = this.items;
+    const id = item.id;
+    const scope = this.scope + '.' + id;
+    if (!id) {
+      throw new Error('class does not have id: ' + item);
+    }
+    if (id in items) {
+      return scope;
+    }
+    items[id] = item;
+    registerDefaults(item, scope, parentScope);
+    if (this.override) {
+      defaults.override(item.id, item.overrides);
+    }
+    return scope;
+  }
+  get(id) {
+    return this.items[id];
+  }
+  unregister(item) {
+    const items = this.items;
+    const id = item.id;
+    const scope = this.scope;
+    if (id in items) {
+      delete items[id];
+    }
+    if (scope && id in defaults[scope]) {
+      delete defaults[scope][id];
+      if (this.override) {
+        delete overrides[id];
+      }
+    }
+  }
+}
+function registerDefaults(item, scope, parentScope) {
+  const itemDefaults = merge(Object.create(null), [
+    parentScope ? defaults.get(parentScope) : {},
+    defaults.get(scope),
+    item.defaults
+  ]);
+  defaults.set(scope, itemDefaults);
+  if (item.defaultRoutes) {
+    routeDefaults(scope, item.defaultRoutes);
+  }
+  if (item.descriptors) {
+    defaults.describe(scope, item.descriptors);
+  }
+}
+function routeDefaults(scope, routes) {
+  Object.keys(routes).forEach(property => {
+    const propertyParts = property.split('.');
+    const sourceName = propertyParts.pop();
+    const sourceScope = [scope].concat(propertyParts).join('.');
+    const parts = routes[property].split('.');
+    const targetName = parts.pop();
+    const targetScope = parts.join('.');
+    defaults.route(sourceScope, sourceName, targetScope, targetName);
+  });
+}
+function isIChartComponent(proto) {
+  return 'id' in proto && 'defaults' in proto;
+}
+
+class Registry {
+  constructor() {
+    this.controllers = new TypedRegistry(DatasetController, 'datasets', true);
+    this.elements = new TypedRegistry(Element, 'elements');
+    this.plugins = new TypedRegistry(Object, 'plugins');
+    this.scales = new TypedRegistry(Scale, 'scales');
+    this._typedRegistries = [this.controllers, this.scales, this.elements];
+  }
+  add(...args) {
+    this._each('register', args);
+  }
+  remove(...args) {
+    this._each('unregister', args);
+  }
+  addControllers(...args) {
+    this._each('register', args, this.controllers);
+  }
+  addElements(...args) {
+    this._each('register', args, this.elements);
+  }
+  addPlugins(...args) {
+    this._each('register', args, this.plugins);
+  }
+  addScales(...args) {
+    this._each('register', args, this.scales);
+  }
+  getController(id) {
+    return this._get(id, this.controllers, 'controller');
+  }
+  getElement(id) {
+    return this._get(id, this.elements, 'element');
+  }
+  getPlugin(id) {
+    return this._get(id, this.plugins, 'plugin');
+  }
+  getScale(id) {
+    return this._get(id, this.scales, 'scale');
+  }
+  removeControllers(...args) {
+    this._each('unregister', args, this.controllers);
+  }
+  removeElements(...args) {
+    this._each('unregister', args, this.elements);
+  }
+  removePlugins(...args) {
+    this._each('unregister', args, this.plugins);
+  }
+  removeScales(...args) {
+    this._each('unregister', args, this.scales);
+  }
+  _each(method, args, typedRegistry) {
+    [...args].forEach(arg => {
+      const reg = typedRegistry || this._getRegistryForType(arg);
+      if (typedRegistry || reg.isForType(arg) || (reg === this.plugins && arg.id)) {
+        this._exec(method, reg, arg);
+      } else {
+        each(arg, item => {
+          const itemReg = typedRegistry || this._getRegistryForType(item);
+          this._exec(method, itemReg, item);
+        });
+      }
+    });
+  }
+  _exec(method, registry, component) {
+    const camelMethod = _capitalize(method);
+    callback(component['before' + camelMethod], [], component);
+    registry[method](component);
+    callback(component['after' + camelMethod], [], component);
+  }
+  _getRegistryForType(type) {
+    for (let i = 0; i < this._typedRegistries.length; i++) {
+      const reg = this._typedRegistries[i];
+      if (reg.isForType(type)) {
+        return reg;
+      }
+    }
+    return this.plugins;
+  }
+  _get(id, typedRegistry, type) {
+    const item = typedRegistry.get(id);
+    if (item === undefined) {
+      throw new Error('"' + id + '" is not a registered ' + type + '.');
+    }
+    return item;
+  }
+}
+var registry = new Registry();
+
+class PluginService {
+  constructor() {
+    this._init = [];
+  }
+  notify(chart, hook, args, filter) {
+    if (hook === 'beforeInit') {
+      this._init = this._createDescriptors(chart, true);
+      this._notify(this._init, chart, 'install');
+    }
+    const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart);
+    const result = this._notify(descriptors, chart, hook, args);
+    if (hook === 'afterDestroy') {
+      this._notify(descriptors, chart, 'stop');
+      this._notify(this._init, chart, 'uninstall');
+    }
+    return result;
+  }
+  _notify(descriptors, chart, hook, args) {
+    args = args || {};
+    for (const descriptor of descriptors) {
+      const plugin = descriptor.plugin;
+      const method = plugin[hook];
+      const params = [chart, args, descriptor.options];
+      if (callback(method, params, plugin) === false && args.cancelable) {
+        return false;
+      }
+    }
+    return true;
+  }
+  invalidate() {
+    if (!isNullOrUndef(this._cache)) {
+      this._oldCache = this._cache;
+      this._cache = undefined;
+    }
+  }
+  _descriptors(chart) {
+    if (this._cache) {
+      return this._cache;
+    }
+    const descriptors = this._cache = this._createDescriptors(chart);
+    this._notifyStateChanges(chart);
+    return descriptors;
+  }
+  _createDescriptors(chart, all) {
+    const config = chart && chart.config;
+    const options = valueOrDefault(config.options && config.options.plugins, {});
+    const plugins = allPlugins(config);
+    return options === false && !all ? [] : createDescriptors(chart, plugins, options, all);
+  }
+  _notifyStateChanges(chart) {
+    const previousDescriptors = this._oldCache || [];
+    const descriptors = this._cache;
+    const diff = (a, b) => a.filter(x => !b.some(y => x.plugin.id === y.plugin.id));
+    this._notify(diff(previousDescriptors, descriptors), chart, 'stop');
+    this._notify(diff(descriptors, previousDescriptors), chart, 'start');
+  }
+}
+function allPlugins(config) {
+  const plugins = [];
+  const keys = Object.keys(registry.plugins.items);
+  for (let i = 0; i < keys.length; i++) {
+    plugins.push(registry.getPlugin(keys[i]));
+  }
+  const local = config.plugins || [];
+  for (let i = 0; i < local.length; i++) {
+    const plugin = local[i];
+    if (plugins.indexOf(plugin) === -1) {
+      plugins.push(plugin);
+    }
+  }
+  return plugins;
+}
+function getOpts(options, all) {
+  if (!all && options === false) {
+    return null;
+  }
+  if (options === true) {
+    return {};
+  }
+  return options;
+}
+function createDescriptors(chart, plugins, options, all) {
+  const result = [];
+  const context = chart.getContext();
+  for (let i = 0; i < plugins.length; i++) {
+    const plugin = plugins[i];
+    const id = plugin.id;
+    const opts = getOpts(options[id], all);
+    if (opts === null) {
+      continue;
+    }
+    result.push({
+      plugin,
+      options: pluginOpts(chart.config, plugin, opts, context)
+    });
+  }
+  return result;
+}
+function pluginOpts(config, plugin, opts, context) {
+  const keys = config.pluginScopeKeys(plugin);
+  const scopes = config.getOptionScopes(opts, keys);
+  return config.createResolver(scopes, context, [''], {scriptable: false, indexable: false, allKeys: true});
+}
+
+function getIndexAxis(type, options) {
+  const datasetDefaults = defaults.datasets[type] || {};
+  const datasetOptions = (options.datasets || {})[type] || {};
+  return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x';
+}
+function getAxisFromDefaultScaleID(id, indexAxis) {
+  let axis = id;
+  if (id === '_index_') {
+    axis = indexAxis;
+  } else if (id === '_value_') {
+    axis = indexAxis === 'x' ? 'y' : 'x';
+  }
+  return axis;
+}
+function getDefaultScaleIDFromAxis(axis, indexAxis) {
+  return axis === indexAxis ? '_index_' : '_value_';
+}
+function axisFromPosition(position) {
+  if (position === 'top' || position === 'bottom') {
+    return 'x';
+  }
+  if (position === 'left' || position === 'right') {
+    return 'y';
+  }
+}
+function determineAxis(id, scaleOptions) {
+  if (id === 'x' || id === 'y') {
+    return id;
+  }
+  return scaleOptions.axis || axisFromPosition(scaleOptions.position) || id.charAt(0).toLowerCase();
+}
+function mergeScaleConfig(config, options) {
+  const chartDefaults = overrides[config.type] || {scales: {}};
+  const configScales = options.scales || {};
+  const chartIndexAxis = getIndexAxis(config.type, options);
+  const firstIDs = Object.create(null);
+  const scales = Object.create(null);
+  Object.keys(configScales).forEach(id => {
+    const scaleConf = configScales[id];
+    if (!isObject(scaleConf)) {
+      return console.error(`Invalid scale configuration for scale: ${id}`);
+    }
+    if (scaleConf._proxy) {
+      return console.warn(`Ignoring resolver passed as options for scale: ${id}`);
+    }
+    const axis = determineAxis(id, scaleConf);
+    const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis);
+    const defaultScaleOptions = chartDefaults.scales || {};
+    firstIDs[axis] = firstIDs[axis] || id;
+    scales[id] = mergeIf(Object.create(null), [{axis}, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]);
+  });
+  config.data.datasets.forEach(dataset => {
+    const type = dataset.type || config.type;
+    const indexAxis = dataset.indexAxis || getIndexAxis(type, options);
+    const datasetDefaults = overrides[type] || {};
+    const defaultScaleOptions = datasetDefaults.scales || {};
+    Object.keys(defaultScaleOptions).forEach(defaultID => {
+      const axis = getAxisFromDefaultScaleID(defaultID, indexAxis);
+      const id = dataset[axis + 'AxisID'] || firstIDs[axis] || axis;
+      scales[id] = scales[id] || Object.create(null);
+      mergeIf(scales[id], [{axis}, configScales[id], defaultScaleOptions[defaultID]]);
+    });
+  });
+  Object.keys(scales).forEach(key => {
+    const scale = scales[key];
+    mergeIf(scale, [defaults.scales[scale.type], defaults.scale]);
+  });
+  return scales;
+}
+function initOptions(config) {
+  const options = config.options || (config.options = {});
+  options.plugins = valueOrDefault(options.plugins, {});
+  options.scales = mergeScaleConfig(config, options);
+}
+function initData(data) {
+  data = data || {};
+  data.datasets = data.datasets || [];
+  data.labels = data.labels || [];
+  return data;
+}
+function initConfig(config) {
+  config = config || {};
+  config.data = initData(config.data);
+  initOptions(config);
+  return config;
+}
+const keyCache = new Map();
+const keysCached = new Set();
+function cachedKeys(cacheKey, generate) {
+  let keys = keyCache.get(cacheKey);
+  if (!keys) {
+    keys = generate();
+    keyCache.set(cacheKey, keys);
+    keysCached.add(keys);
+  }
+  return keys;
+}
+const addIfFound = (set, obj, key) => {
+  const opts = resolveObjectKey(obj, key);
+  if (opts !== undefined) {
+    set.add(opts);
+  }
+};
+class Config {
+  constructor(config) {
+    this._config = initConfig(config);
+    this._scopeCache = new Map();
+    this._resolverCache = new Map();
+  }
+  get platform() {
+    return this._config.platform;
+  }
+  get type() {
+    return this._config.type;
+  }
+  set type(type) {
+    this._config.type = type;
+  }
+  get data() {
+    return this._config.data;
+  }
+  set data(data) {
+    this._config.data = initData(data);
+  }
+  get options() {
+    return this._config.options;
+  }
+  set options(options) {
+    this._config.options = options;
+  }
+  get plugins() {
+    return this._config.plugins;
+  }
+  update() {
+    const config = this._config;
+    this.clearCache();
+    initOptions(config);
+  }
+  clearCache() {
+    this._scopeCache.clear();
+    this._resolverCache.clear();
+  }
+  datasetScopeKeys(datasetType) {
+    return cachedKeys(datasetType,
+      () => [[
+        `datasets.${datasetType}`,
+        ''
+      ]]);
+  }
+  datasetAnimationScopeKeys(datasetType, transition) {
+    return cachedKeys(`${datasetType}.transition.${transition}`,
+      () => [
+        [
+          `datasets.${datasetType}.transitions.${transition}`,
+          `transitions.${transition}`,
+        ],
+        [
+          `datasets.${datasetType}`,
+          ''
+        ]
+      ]);
+  }
+  datasetElementScopeKeys(datasetType, elementType) {
+    return cachedKeys(`${datasetType}-${elementType}`,
+      () => [[
+        `datasets.${datasetType}.elements.${elementType}`,
+        `datasets.${datasetType}`,
+        `elements.${elementType}`,
+        ''
+      ]]);
+  }
+  pluginScopeKeys(plugin) {
+    const id = plugin.id;
+    const type = this.type;
+    return cachedKeys(`${type}-plugin-${id}`,
+      () => [[
+        `plugins.${id}`,
+        ...plugin.additionalOptionScopes || [],
+      ]]);
+  }
+  _cachedScopes(mainScope, resetCache) {
+    const _scopeCache = this._scopeCache;
+    let cache = _scopeCache.get(mainScope);
+    if (!cache || resetCache) {
+      cache = new Map();
+      _scopeCache.set(mainScope, cache);
+    }
+    return cache;
+  }
+  getOptionScopes(mainScope, keyLists, resetCache) {
+    const {options, type} = this;
+    const cache = this._cachedScopes(mainScope, resetCache);
+    const cached = cache.get(keyLists);
+    if (cached) {
+      return cached;
+    }
+    const scopes = new Set();
+    keyLists.forEach(keys => {
+      if (mainScope) {
+        scopes.add(mainScope);
+        keys.forEach(key => addIfFound(scopes, mainScope, key));
+      }
+      keys.forEach(key => addIfFound(scopes, options, key));
+      keys.forEach(key => addIfFound(scopes, overrides[type] || {}, key));
+      keys.forEach(key => addIfFound(scopes, defaults, key));
+      keys.forEach(key => addIfFound(scopes, descriptors, key));
+    });
+    const array = Array.from(scopes);
+    if (array.length === 0) {
+      array.push(Object.create(null));
+    }
+    if (keysCached.has(keyLists)) {
+      cache.set(keyLists, array);
+    }
+    return array;
+  }
+  chartOptionScopes() {
+    const {options, type} = this;
+    return [
+      options,
+      overrides[type] || {},
+      defaults.datasets[type] || {},
+      {type},
+      defaults,
+      descriptors
+    ];
+  }
+  resolveNamedOptions(scopes, names, context, prefixes = ['']) {
+    const result = {$shared: true};
+    const {resolver, subPrefixes} = getResolver(this._resolverCache, scopes, prefixes);
+    let options = resolver;
+    if (needContext(resolver, names)) {
+      result.$shared = false;
+      context = isFunction(context) ? context() : context;
+      const subResolver = this.createResolver(scopes, context, subPrefixes);
+      options = _attachContext(resolver, context, subResolver);
+    }
+    for (const prop of names) {
+      result[prop] = options[prop];
+    }
+    return result;
+  }
+  createResolver(scopes, context, prefixes = [''], descriptorDefaults) {
+    const {resolver} = getResolver(this._resolverCache, scopes, prefixes);
+    return isObject(context)
+      ? _attachContext(resolver, context, undefined, descriptorDefaults)
+      : resolver;
+  }
+}
+function getResolver(resolverCache, scopes, prefixes) {
+  let cache = resolverCache.get(scopes);
+  if (!cache) {
+    cache = new Map();
+    resolverCache.set(scopes, cache);
+  }
+  const cacheKey = prefixes.join();
+  let cached = cache.get(cacheKey);
+  if (!cached) {
+    const resolver = _createResolver(scopes, prefixes);
+    cached = {
+      resolver,
+      subPrefixes: prefixes.filter(p => !p.toLowerCase().includes('hover'))
+    };
+    cache.set(cacheKey, cached);
+  }
+  return cached;
+}
+const hasFunction = value => isObject(value)
+  && Object.getOwnPropertyNames(value).reduce((acc, key) => acc || isFunction(value[key]), false);
+function needContext(proxy, names) {
+  const {isScriptable, isIndexable} = _descriptors(proxy);
+  for (const prop of names) {
+    const scriptable = isScriptable(prop);
+    const indexable = isIndexable(prop);
+    const value = (indexable || scriptable) && proxy[prop];
+    if ((scriptable && (isFunction(value) || hasFunction(value)))
+      || (indexable && isArray(value))) {
+      return true;
+    }
+  }
+  return false;
+}
+
+var version = "3.7.1";
+
+const KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea'];
+function positionIsHorizontal(position, axis) {
+  return position === 'top' || position === 'bottom' || (KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x');
+}
+function compare2Level(l1, l2) {
+  return function(a, b) {
+    return a[l1] === b[l1]
+      ? a[l2] - b[l2]
+      : a[l1] - b[l1];
+  };
+}
+function onAnimationsComplete(context) {
+  const chart = context.chart;
+  const animationOptions = chart.options.animation;
+  chart.notifyPlugins('afterRender');
+  callback(animationOptions && animationOptions.onComplete, [context], chart);
+}
+function onAnimationProgress(context) {
+  const chart = context.chart;
+  const animationOptions = chart.options.animation;
+  callback(animationOptions && animationOptions.onProgress, [context], chart);
+}
+function getCanvas(item) {
+  if (_isDomSupported() && typeof item === 'string') {
+    item = document.getElementById(item);
+  } else if (item && item.length) {
+    item = item[0];
+  }
+  if (item && item.canvas) {
+    item = item.canvas;
+  }
+  return item;
+}
+const instances = {};
+const getChart = (key) => {
+  const canvas = getCanvas(key);
+  return Object.values(instances).filter((c) => c.canvas === canvas).pop();
+};
+function moveNumericKeys(obj, start, move) {
+  const keys = Object.keys(obj);
+  for (const key of keys) {
+    const intKey = +key;
+    if (intKey >= start) {
+      const value = obj[key];
+      delete obj[key];
+      if (move > 0 || intKey > start) {
+        obj[intKey + move] = value;
+      }
+    }
+  }
+}
+function determineLastEvent(e, lastEvent, inChartArea, isClick) {
+  if (!inChartArea || e.type === 'mouseout') {
+    return null;
+  }
+  if (isClick) {
+    return lastEvent;
+  }
+  return e;
+}
+class Chart {
+  constructor(item, userConfig) {
+    const config = this.config = new Config(userConfig);
+    const initialCanvas = getCanvas(item);
+    const existingChart = getChart(initialCanvas);
+    if (existingChart) {
+      throw new Error(
+        'Canvas is already in use. Chart with ID \'' + existingChart.id + '\'' +
+				' must be destroyed before the canvas can be reused.'
+      );
+    }
+    const options = config.createResolver(config.chartOptionScopes(), this.getContext());
+    this.platform = new (config.platform || _detectPlatform(initialCanvas))();
+    this.platform.updateConfig(config);
+    const context = this.platform.acquireContext(initialCanvas, options.aspectRatio);
+    const canvas = context && context.canvas;
+    const height = canvas && canvas.height;
+    const width = canvas && canvas.width;
+    this.id = uid();
+    this.ctx = context;
+    this.canvas = canvas;
+    this.width = width;
+    this.height = height;
+    this._options = options;
+    this._aspectRatio = this.aspectRatio;
+    this._layers = [];
+    this._metasets = [];
+    this._stacks = undefined;
+    this.boxes = [];
+    this.currentDevicePixelRatio = undefined;
+    this.chartArea = undefined;
+    this._active = [];
+    this._lastEvent = undefined;
+    this._listeners = {};
+    this._responsiveListeners = undefined;
+    this._sortedMetasets = [];
+    this.scales = {};
+    this._plugins = new PluginService();
+    this.$proxies = {};
+    this._hiddenIndices = {};
+    this.attached = false;
+    this._animationsDisabled = undefined;
+    this.$context = undefined;
+    this._doResize = debounce(mode => this.update(mode), options.resizeDelay || 0);
+    this._dataChanges = [];
+    instances[this.id] = this;
+    if (!context || !canvas) {
+      console.error("Failed to create chart: can't acquire context from the given item");
+      return;
+    }
+    animator.listen(this, 'complete', onAnimationsComplete);
+    animator.listen(this, 'progress', onAnimationProgress);
+    this._initialize();
+    if (this.attached) {
+      this.update();
+    }
+  }
+  get aspectRatio() {
+    const {options: {aspectRatio, maintainAspectRatio}, width, height, _aspectRatio} = this;
+    if (!isNullOrUndef(aspectRatio)) {
+      return aspectRatio;
+    }
+    if (maintainAspectRatio && _aspectRatio) {
+      return _aspectRatio;
+    }
+    return height ? width / height : null;
+  }
+  get data() {
+    return this.config.data;
+  }
+  set data(data) {
+    this.config.data = data;
+  }
+  get options() {
+    return this._options;
+  }
+  set options(options) {
+    this.config.options = options;
+  }
+  _initialize() {
+    this.notifyPlugins('beforeInit');
+    if (this.options.responsive) {
+      this.resize();
+    } else {
+      retinaScale(this, this.options.devicePixelRatio);
+    }
+    this.bindEvents();
+    this.notifyPlugins('afterInit');
+    return this;
+  }
+  clear() {
+    clearCanvas(this.canvas, this.ctx);
+    return this;
+  }
+  stop() {
+    animator.stop(this);
+    return this;
+  }
+  resize(width, height) {
+    if (!animator.running(this)) {
+      this._resize(width, height);
+    } else {
+      this._resizeBeforeDraw = {width, height};
+    }
+  }
+  _resize(width, height) {
+    const options = this.options;
+    const canvas = this.canvas;
+    const aspectRatio = options.maintainAspectRatio && this.aspectRatio;
+    const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio);
+    const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio();
+    const mode = this.width ? 'resize' : 'attach';
+    this.width = newSize.width;
+    this.height = newSize.height;
+    this._aspectRatio = this.aspectRatio;
+    if (!retinaScale(this, newRatio, true)) {
+      return;
+    }
+    this.notifyPlugins('resize', {size: newSize});
+    callback(options.onResize, [this, newSize], this);
+    if (this.attached) {
+      if (this._doResize(mode)) {
+        this.render();
+      }
+    }
+  }
+  ensureScalesHaveIDs() {
+    const options = this.options;
+    const scalesOptions = options.scales || {};
+    each(scalesOptions, (axisOptions, axisID) => {
+      axisOptions.id = axisID;
+    });
+  }
+  buildOrUpdateScales() {
+    const options = this.options;
+    const scaleOpts = options.scales;
+    const scales = this.scales;
+    const updated = Object.keys(scales).reduce((obj, id) => {
+      obj[id] = false;
+      return obj;
+    }, {});
+    let items = [];
+    if (scaleOpts) {
+      items = items.concat(
+        Object.keys(scaleOpts).map((id) => {
+          const scaleOptions = scaleOpts[id];
+          const axis = determineAxis(id, scaleOptions);
+          const isRadial = axis === 'r';
+          const isHorizontal = axis === 'x';
+          return {
+            options: scaleOptions,
+            dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left',
+            dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear'
+          };
+        })
+      );
+    }
+    each(items, (item) => {
+      const scaleOptions = item.options;
+      const id = scaleOptions.id;
+      const axis = determineAxis(id, scaleOptions);
+      const scaleType = valueOrDefault(scaleOptions.type, item.dtype);
+      if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) {
+        scaleOptions.position = item.dposition;
+      }
+      updated[id] = true;
+      let scale = null;
+      if (id in scales && scales[id].type === scaleType) {
+        scale = scales[id];
+      } else {
+        const scaleClass = registry.getScale(scaleType);
+        scale = new scaleClass({
+          id,
+          type: scaleType,
+          ctx: this.ctx,
+          chart: this
+        });
+        scales[scale.id] = scale;
+      }
+      scale.init(scaleOptions, options);
+    });
+    each(updated, (hasUpdated, id) => {
+      if (!hasUpdated) {
+        delete scales[id];
+      }
+    });
+    each(scales, (scale) => {
+      layouts.configure(this, scale, scale.options);
+      layouts.addBox(this, scale);
+    });
+  }
+  _updateMetasets() {
+    const metasets = this._metasets;
+    const numData = this.data.datasets.length;
+    const numMeta = metasets.length;
+    metasets.sort((a, b) => a.index - b.index);
+    if (numMeta > numData) {
+      for (let i = numData; i < numMeta; ++i) {
+        this._destroyDatasetMeta(i);
+      }
+      metasets.splice(numData, numMeta - numData);
+    }
+    this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index'));
+  }
+  _removeUnreferencedMetasets() {
+    const {_metasets: metasets, data: {datasets}} = this;
+    if (metasets.length > datasets.length) {
+      delete this._stacks;
+    }
+    metasets.forEach((meta, index) => {
+      if (datasets.filter(x => x === meta._dataset).length === 0) {
+        this._destroyDatasetMeta(index);
+      }
+    });
+  }
+  buildOrUpdateControllers() {
+    const newControllers = [];
+    const datasets = this.data.datasets;
+    let i, ilen;
+    this._removeUnreferencedMetasets();
+    for (i = 0, ilen = datasets.length; i < ilen; i++) {
+      const dataset = datasets[i];
+      let meta = this.getDatasetMeta(i);
+      const type = dataset.type || this.config.type;
+      if (meta.type && meta.type !== type) {
+        this._destroyDatasetMeta(i);
+        meta = this.getDatasetMeta(i);
+      }
+      meta.type = type;
+      meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options);
+      meta.order = dataset.order || 0;
+      meta.index = i;
+      meta.label = '' + dataset.label;
+      meta.visible = this.isDatasetVisible(i);
+      if (meta.controller) {
+        meta.controller.updateIndex(i);
+        meta.controller.linkScales();
+      } else {
+        const ControllerClass = registry.getController(type);
+        const {datasetElementType, dataElementType} = defaults.datasets[type];
+        Object.assign(ControllerClass.prototype, {
+          dataElementType: registry.getElement(dataElementType),
+          datasetElementType: datasetElementType && registry.getElement(datasetElementType)
+        });
+        meta.controller = new ControllerClass(this, i);
+        newControllers.push(meta.controller);
+      }
+    }
+    this._updateMetasets();
+    return newControllers;
+  }
+  _resetElements() {
+    each(this.data.datasets, (dataset, datasetIndex) => {
+      this.getDatasetMeta(datasetIndex).controller.reset();
+    }, this);
+  }
+  reset() {
+    this._resetElements();
+    this.notifyPlugins('reset');
+  }
+  update(mode) {
+    const config = this.config;
+    config.update();
+    const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext());
+    const animsDisabled = this._animationsDisabled = !options.animation;
+    this._updateScales();
+    this._checkEventBindings();
+    this._updateHiddenIndices();
+    this._plugins.invalidate();
+    if (this.notifyPlugins('beforeUpdate', {mode, cancelable: true}) === false) {
+      return;
+    }
+    const newControllers = this.buildOrUpdateControllers();
+    this.notifyPlugins('beforeElementsUpdate');
+    let minPadding = 0;
+    for (let i = 0, ilen = this.data.datasets.length; i < ilen; i++) {
+      const {controller} = this.getDatasetMeta(i);
+      const reset = !animsDisabled && newControllers.indexOf(controller) === -1;
+      controller.buildOrUpdateElements(reset);
+      minPadding = Math.max(+controller.getMaxOverflow(), minPadding);
+    }
+    minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0;
+    this._updateLayout(minPadding);
+    if (!animsDisabled) {
+      each(newControllers, (controller) => {
+        controller.reset();
+      });
+    }
+    this._updateDatasets(mode);
+    this.notifyPlugins('afterUpdate', {mode});
+    this._layers.sort(compare2Level('z', '_idx'));
+    const {_active, _lastEvent} = this;
+    if (_lastEvent) {
+      this._eventHandler(_lastEvent, true);
+    } else if (_active.length) {
+      this._updateHoverStyles(_active, _active, true);
+    }
+    this.render();
+  }
+  _updateScales() {
+    each(this.scales, (scale) => {
+      layouts.removeBox(this, scale);
+    });
+    this.ensureScalesHaveIDs();
+    this.buildOrUpdateScales();
+  }
+  _checkEventBindings() {
+    const options = this.options;
+    const existingEvents = new Set(Object.keys(this._listeners));
+    const newEvents = new Set(options.events);
+    if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) {
+      this.unbindEvents();
+      this.bindEvents();
+    }
+  }
+  _updateHiddenIndices() {
+    const {_hiddenIndices} = this;
+    const changes = this._getUniformDataChanges() || [];
+    for (const {method, start, count} of changes) {
+      const move = method === '_removeElements' ? -count : count;
+      moveNumericKeys(_hiddenIndices, start, move);
+    }
+  }
+  _getUniformDataChanges() {
+    const _dataChanges = this._dataChanges;
+    if (!_dataChanges || !_dataChanges.length) {
+      return;
+    }
+    this._dataChanges = [];
+    const datasetCount = this.data.datasets.length;
+    const makeSet = (idx) => new Set(
+      _dataChanges
+        .filter(c => c[0] === idx)
+        .map((c, i) => i + ',' + c.splice(1).join(','))
+    );
+    const changeSet = makeSet(0);
+    for (let i = 1; i < datasetCount; i++) {
+      if (!setsEqual(changeSet, makeSet(i))) {
+        return;
+      }
+    }
+    return Array.from(changeSet)
+      .map(c => c.split(','))
+      .map(a => ({method: a[1], start: +a[2], count: +a[3]}));
+  }
+  _updateLayout(minPadding) {
+    if (this.notifyPlugins('beforeLayout', {cancelable: true}) === false) {
+      return;
+    }
+    layouts.update(this, this.width, this.height, minPadding);
+    const area = this.chartArea;
+    const noArea = area.width <= 0 || area.height <= 0;
+    this._layers = [];
+    each(this.boxes, (box) => {
+      if (noArea && box.position === 'chartArea') {
+        return;
+      }
+      if (box.configure) {
+        box.configure();
+      }
+      this._layers.push(...box._layers());
+    }, this);
+    this._layers.forEach((item, index) => {
+      item._idx = index;
+    });
+    this.notifyPlugins('afterLayout');
+  }
+  _updateDatasets(mode) {
+    if (this.notifyPlugins('beforeDatasetsUpdate', {mode, cancelable: true}) === false) {
+      return;
+    }
+    for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {
+      this.getDatasetMeta(i).controller.configure();
+    }
+    for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {
+      this._updateDataset(i, isFunction(mode) ? mode({datasetIndex: i}) : mode);
+    }
+    this.notifyPlugins('afterDatasetsUpdate', {mode});
+  }
+  _updateDataset(index, mode) {
+    const meta = this.getDatasetMeta(index);
+    const args = {meta, index, mode, cancelable: true};
+    if (this.notifyPlugins('beforeDatasetUpdate', args) === false) {
+      return;
+    }
+    meta.controller._update(mode);
+    args.cancelable = false;
+    this.notifyPlugins('afterDatasetUpdate', args);
+  }
+  render() {
+    if (this.notifyPlugins('beforeRender', {cancelable: true}) === false) {
+      return;
+    }
+    if (animator.has(this)) {
+      if (this.attached && !animator.running(this)) {
+        animator.start(this);
+      }
+    } else {
+      this.draw();
+      onAnimationsComplete({chart: this});
+    }
+  }
+  draw() {
+    let i;
+    if (this._resizeBeforeDraw) {
+      const {width, height} = this._resizeBeforeDraw;
+      this._resize(width, height);
+      this._resizeBeforeDraw = null;
+    }
+    this.clear();
+    if (this.width <= 0 || this.height <= 0) {
+      return;
+    }
+    if (this.notifyPlugins('beforeDraw', {cancelable: true}) === false) {
+      return;
+    }
+    const layers = this._layers;
+    for (i = 0; i < layers.length && layers[i].z <= 0; ++i) {
+      layers[i].draw(this.chartArea);
+    }
+    this._drawDatasets();
+    for (; i < layers.length; ++i) {
+      layers[i].draw(this.chartArea);
+    }
+    this.notifyPlugins('afterDraw');
+  }
+  _getSortedDatasetMetas(filterVisible) {
+    const metasets = this._sortedMetasets;
+    const result = [];
+    let i, ilen;
+    for (i = 0, ilen = metasets.length; i < ilen; ++i) {
+      const meta = metasets[i];
+      if (!filterVisible || meta.visible) {
+        result.push(meta);
+      }
+    }
+    return result;
+  }
+  getSortedVisibleDatasetMetas() {
+    return this._getSortedDatasetMetas(true);
+  }
+  _drawDatasets() {
+    if (this.notifyPlugins('beforeDatasetsDraw', {cancelable: true}) === false) {
+      return;
+    }
+    const metasets = this.getSortedVisibleDatasetMetas();
+    for (let i = metasets.length - 1; i >= 0; --i) {
+      this._drawDataset(metasets[i]);
+    }
+    this.notifyPlugins('afterDatasetsDraw');
+  }
+  _drawDataset(meta) {
+    const ctx = this.ctx;
+    const clip = meta._clip;
+    const useClip = !clip.disabled;
+    const area = this.chartArea;
+    const args = {
+      meta,
+      index: meta.index,
+      cancelable: true
+    };
+    if (this.notifyPlugins('beforeDatasetDraw', args) === false) {
+      return;
+    }
+    if (useClip) {
+      clipArea(ctx, {
+        left: clip.left === false ? 0 : area.left - clip.left,
+        right: clip.right === false ? this.width : area.right + clip.right,
+        top: clip.top === false ? 0 : area.top - clip.top,
+        bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom
+      });
+    }
+    meta.controller.draw();
+    if (useClip) {
+      unclipArea(ctx);
+    }
+    args.cancelable = false;
+    this.notifyPlugins('afterDatasetDraw', args);
+  }
+  getElementsAtEventForMode(e, mode, options, useFinalPosition) {
+    const method = Interaction.modes[mode];
+    if (typeof method === 'function') {
+      return method(this, e, options, useFinalPosition);
+    }
+    return [];
+  }
+  getDatasetMeta(datasetIndex) {
+    const dataset = this.data.datasets[datasetIndex];
+    const metasets = this._metasets;
+    let meta = metasets.filter(x => x && x._dataset === dataset).pop();
+    if (!meta) {
+      meta = {
+        type: null,
+        data: [],
+        dataset: null,
+        controller: null,
+        hidden: null,
+        xAxisID: null,
+        yAxisID: null,
+        order: dataset && dataset.order || 0,
+        index: datasetIndex,
+        _dataset: dataset,
+        _parsed: [],
+        _sorted: false
+      };
+      metasets.push(meta);
+    }
+    return meta;
+  }
+  getContext() {
+    return this.$context || (this.$context = createContext(null, {chart: this, type: 'chart'}));
+  }
+  getVisibleDatasetCount() {
+    return this.getSortedVisibleDatasetMetas().length;
+  }
+  isDatasetVisible(datasetIndex) {
+    const dataset = this.data.datasets[datasetIndex];
+    if (!dataset) {
+      return false;
+    }
+    const meta = this.getDatasetMeta(datasetIndex);
+    return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden;
+  }
+  setDatasetVisibility(datasetIndex, visible) {
+    const meta = this.getDatasetMeta(datasetIndex);
+    meta.hidden = !visible;
+  }
+  toggleDataVisibility(index) {
+    this._hiddenIndices[index] = !this._hiddenIndices[index];
+  }
+  getDataVisibility(index) {
+    return !this._hiddenIndices[index];
+  }
+  _updateVisibility(datasetIndex, dataIndex, visible) {
+    const mode = visible ? 'show' : 'hide';
+    const meta = this.getDatasetMeta(datasetIndex);
+    const anims = meta.controller._resolveAnimations(undefined, mode);
+    if (defined(dataIndex)) {
+      meta.data[dataIndex].hidden = !visible;
+      this.update();
+    } else {
+      this.setDatasetVisibility(datasetIndex, visible);
+      anims.update(meta, {visible});
+      this.update((ctx) => ctx.datasetIndex === datasetIndex ? mode : undefined);
+    }
+  }
+  hide(datasetIndex, dataIndex) {
+    this._updateVisibility(datasetIndex, dataIndex, false);
+  }
+  show(datasetIndex, dataIndex) {
+    this._updateVisibility(datasetIndex, dataIndex, true);
+  }
+  _destroyDatasetMeta(datasetIndex) {
+    const meta = this._metasets[datasetIndex];
+    if (meta && meta.controller) {
+      meta.controller._destroy();
+    }
+    delete this._metasets[datasetIndex];
+  }
+  _stop() {
+    let i, ilen;
+    this.stop();
+    animator.remove(this);
+    for (i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {
+      this._destroyDatasetMeta(i);
+    }
+  }
+  destroy() {
+    this.notifyPlugins('beforeDestroy');
+    const {canvas, ctx} = this;
+    this._stop();
+    this.config.clearCache();
+    if (canvas) {
+      this.unbindEvents();
+      clearCanvas(canvas, ctx);
+      this.platform.releaseContext(ctx);
+      this.canvas = null;
+      this.ctx = null;
+    }
+    this.notifyPlugins('destroy');
+    delete instances[this.id];
+    this.notifyPlugins('afterDestroy');
+  }
+  toBase64Image(...args) {
+    return this.canvas.toDataURL(...args);
+  }
+  bindEvents() {
+    this.bindUserEvents();
+    if (this.options.responsive) {
+      this.bindResponsiveEvents();
+    } else {
+      this.attached = true;
+    }
+  }
+  bindUserEvents() {
+    const listeners = this._listeners;
+    const platform = this.platform;
+    const _add = (type, listener) => {
+      platform.addEventListener(this, type, listener);
+      listeners[type] = listener;
+    };
+    const listener = (e, x, y) => {
+      e.offsetX = x;
+      e.offsetY = y;
+      this._eventHandler(e);
+    };
+    each(this.options.events, (type) => _add(type, listener));
+  }
+  bindResponsiveEvents() {
+    if (!this._responsiveListeners) {
+      this._responsiveListeners = {};
+    }
+    const listeners = this._responsiveListeners;
+    const platform = this.platform;
+    const _add = (type, listener) => {
+      platform.addEventListener(this, type, listener);
+      listeners[type] = listener;
+    };
+    const _remove = (type, listener) => {
+      if (listeners[type]) {
+        platform.removeEventListener(this, type, listener);
+        delete listeners[type];
+      }
+    };
+    const listener = (width, height) => {
+      if (this.canvas) {
+        this.resize(width, height);
+      }
+    };
+    let detached;
+    const attached = () => {
+      _remove('attach', attached);
+      this.attached = true;
+      this.resize();
+      _add('resize', listener);
+      _add('detach', detached);
+    };
+    detached = () => {
+      this.attached = false;
+      _remove('resize', listener);
+      this._stop();
+      this._resize(0, 0);
+      _add('attach', attached);
+    };
+    if (platform.isAttached(this.canvas)) {
+      attached();
+    } else {
+      detached();
+    }
+  }
+  unbindEvents() {
+    each(this._listeners, (listener, type) => {
+      this.platform.removeEventListener(this, type, listener);
+    });
+    this._listeners = {};
+    each(this._responsiveListeners, (listener, type) => {
+      this.platform.removeEventListener(this, type, listener);
+    });
+    this._responsiveListeners = undefined;
+  }
+  updateHoverStyle(items, mode, enabled) {
+    const prefix = enabled ? 'set' : 'remove';
+    let meta, item, i, ilen;
+    if (mode === 'dataset') {
+      meta = this.getDatasetMeta(items[0].datasetIndex);
+      meta.controller['_' + prefix + 'DatasetHoverStyle']();
+    }
+    for (i = 0, ilen = items.length; i < ilen; ++i) {
+      item = items[i];
+      const controller = item && this.getDatasetMeta(item.datasetIndex).controller;
+      if (controller) {
+        controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index);
+      }
+    }
+  }
+  getActiveElements() {
+    return this._active || [];
+  }
+  setActiveElements(activeElements) {
+    const lastActive = this._active || [];
+    const active = activeElements.map(({datasetIndex, index}) => {
+      const meta = this.getDatasetMeta(datasetIndex);
+      if (!meta) {
+        throw new Error('No dataset found at index ' + datasetIndex);
+      }
+      return {
+        datasetIndex,
+        element: meta.data[index],
+        index,
+      };
+    });
+    const changed = !_elementsEqual(active, lastActive);
+    if (changed) {
+      this._active = active;
+      this._lastEvent = null;
+      this._updateHoverStyles(active, lastActive);
+    }
+  }
+  notifyPlugins(hook, args, filter) {
+    return this._plugins.notify(this, hook, args, filter);
+  }
+  _updateHoverStyles(active, lastActive, replay) {
+    const hoverOptions = this.options.hover;
+    const diff = (a, b) => a.filter(x => !b.some(y => x.datasetIndex === y.datasetIndex && x.index === y.index));
+    const deactivated = diff(lastActive, active);
+    const activated = replay ? active : diff(active, lastActive);
+    if (deactivated.length) {
+      this.updateHoverStyle(deactivated, hoverOptions.mode, false);
+    }
+    if (activated.length && hoverOptions.mode) {
+      this.updateHoverStyle(activated, hoverOptions.mode, true);
+    }
+  }
+  _eventHandler(e, replay) {
+    const args = {
+      event: e,
+      replay,
+      cancelable: true,
+      inChartArea: _isPointInArea(e, this.chartArea, this._minPadding)
+    };
+    const eventFilter = (plugin) => (plugin.options.events || this.options.events).includes(e.native.type);
+    if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) {
+      return;
+    }
+    const changed = this._handleEvent(e, replay, args.inChartArea);
+    args.cancelable = false;
+    this.notifyPlugins('afterEvent', args, eventFilter);
+    if (changed || args.changed) {
+      this.render();
+    }
+    return this;
+  }
+  _handleEvent(e, replay, inChartArea) {
+    const {_active: lastActive = [], options} = this;
+    const useFinalPosition = replay;
+    const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition);
+    const isClick = _isClickEvent(e);
+    const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick);
+    if (inChartArea) {
+      this._lastEvent = null;
+      callback(options.onHover, [e, active, this], this);
+      if (isClick) {
+        callback(options.onClick, [e, active, this], this);
+      }
+    }
+    const changed = !_elementsEqual(active, lastActive);
+    if (changed || replay) {
+      this._active = active;
+      this._updateHoverStyles(active, lastActive, replay);
+    }
+    this._lastEvent = lastEvent;
+    return changed;
+  }
+  _getActiveElements(e, lastActive, inChartArea, useFinalPosition) {
+    if (e.type === 'mouseout') {
+      return [];
+    }
+    if (!inChartArea) {
+      return lastActive;
+    }
+    const hoverOptions = this.options.hover;
+    return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition);
+  }
+}
+const invalidatePlugins = () => each(Chart.instances, (chart) => chart._plugins.invalidate());
+const enumerable = true;
+Object.defineProperties(Chart, {
+  defaults: {
+    enumerable,
+    value: defaults
+  },
+  instances: {
+    enumerable,
+    value: instances
+  },
+  overrides: {
+    enumerable,
+    value: overrides
+  },
+  registry: {
+    enumerable,
+    value: registry
+  },
+  version: {
+    enumerable,
+    value: version
+  },
+  getChart: {
+    enumerable,
+    value: getChart
+  },
+  register: {
+    enumerable,
+    value: (...items) => {
+      registry.add(...items);
+      invalidatePlugins();
+    }
+  },
+  unregister: {
+    enumerable,
+    value: (...items) => {
+      registry.remove(...items);
+      invalidatePlugins();
+    }
+  }
+});
+
+function abstract() {
+  throw new Error('This method is not implemented: Check that a complete date adapter is provided.');
+}
+class DateAdapter {
+  constructor(options) {
+    this.options = options || {};
+  }
+  formats() {
+    return abstract();
+  }
+  parse(value, format) {
+    return abstract();
+  }
+  format(timestamp, format) {
+    return abstract();
+  }
+  add(timestamp, amount, unit) {
+    return abstract();
+  }
+  diff(a, b, unit) {
+    return abstract();
+  }
+  startOf(timestamp, unit, weekday) {
+    return abstract();
+  }
+  endOf(timestamp, unit) {
+    return abstract();
+  }
+}
+DateAdapter.override = function(members) {
+  Object.assign(DateAdapter.prototype, members);
+};
+var _adapters = {
+  _date: DateAdapter
+};
+
+function getAllScaleValues(scale, type) {
+  if (!scale._cache.$bar) {
+    const visibleMetas = scale.getMatchingVisibleMetas(type);
+    let values = [];
+    for (let i = 0, ilen = visibleMetas.length; i < ilen; i++) {
+      values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale));
+    }
+    scale._cache.$bar = _arrayUnique(values.sort((a, b) => a - b));
+  }
+  return scale._cache.$bar;
+}
+function computeMinSampleSize(meta) {
+  const scale = meta.iScale;
+  const values = getAllScaleValues(scale, meta.type);
+  let min = scale._length;
+  let i, ilen, curr, prev;
+  const updateMinAndPrev = () => {
+    if (curr === 32767 || curr === -32768) {
+      return;
+    }
+    if (defined(prev)) {
+      min = Math.min(min, Math.abs(curr - prev) || min);
+    }
+    prev = curr;
+  };
+  for (i = 0, ilen = values.length; i < ilen; ++i) {
+    curr = scale.getPixelForValue(values[i]);
+    updateMinAndPrev();
+  }
+  prev = undefined;
+  for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) {
+    curr = scale.getPixelForTick(i);
+    updateMinAndPrev();
+  }
+  return min;
+}
+function computeFitCategoryTraits(index, ruler, options, stackCount) {
+  const thickness = options.barThickness;
+  let size, ratio;
+  if (isNullOrUndef(thickness)) {
+    size = ruler.min * options.categoryPercentage;
+    ratio = options.barPercentage;
+  } else {
+    size = thickness * stackCount;
+    ratio = 1;
+  }
+  return {
+    chunk: size / stackCount,
+    ratio,
+    start: ruler.pixels[index] - (size / 2)
+  };
+}
+function computeFlexCategoryTraits(index, ruler, options, stackCount) {
+  const pixels = ruler.pixels;
+  const curr = pixels[index];
+  let prev = index > 0 ? pixels[index - 1] : null;
+  let next = index < pixels.length - 1 ? pixels[index + 1] : null;
+  const percent = options.categoryPercentage;
+  if (prev === null) {
+    prev = curr - (next === null ? ruler.end - ruler.start : next - curr);
+  }
+  if (next === null) {
+    next = curr + curr - prev;
+  }
+  const start = curr - (curr - Math.min(prev, next)) / 2 * percent;
+  const size = Math.abs(next - prev) / 2 * percent;
+  return {
+    chunk: size / stackCount,
+    ratio: options.barPercentage,
+    start
+  };
+}
+function parseFloatBar(entry, item, vScale, i) {
+  const startValue = vScale.parse(entry[0], i);
+  const endValue = vScale.parse(entry[1], i);
+  const min = Math.min(startValue, endValue);
+  const max = Math.max(startValue, endValue);
+  let barStart = min;
+  let barEnd = max;
+  if (Math.abs(min) > Math.abs(max)) {
+    barStart = max;
+    barEnd = min;
+  }
+  item[vScale.axis] = barEnd;
+  item._custom = {
+    barStart,
+    barEnd,
+    start: startValue,
+    end: endValue,
+    min,
+    max
+  };
+}
+function parseValue(entry, item, vScale, i) {
+  if (isArray(entry)) {
+    parseFloatBar(entry, item, vScale, i);
+  } else {
+    item[vScale.axis] = vScale.parse(entry, i);
+  }
+  return item;
+}
+function parseArrayOrPrimitive(meta, data, start, count) {
+  const iScale = meta.iScale;
+  const vScale = meta.vScale;
+  const labels = iScale.getLabels();
+  const singleScale = iScale === vScale;
+  const parsed = [];
+  let i, ilen, item, entry;
+  for (i = start, ilen = start + count; i < ilen; ++i) {
+    entry = data[i];
+    item = {};
+    item[iScale.axis] = singleScale || iScale.parse(labels[i], i);
+    parsed.push(parseValue(entry, item, vScale, i));
+  }
+  return parsed;
+}
+function isFloatBar(custom) {
+  return custom && custom.barStart !== undefined && custom.barEnd !== undefined;
+}
+function barSign(size, vScale, actualBase) {
+  if (size !== 0) {
+    return sign(size);
+  }
+  return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1);
+}
+function borderProps(properties) {
+  let reverse, start, end, top, bottom;
+  if (properties.horizontal) {
+    reverse = properties.base > properties.x;
+    start = 'left';
+    end = 'right';
+  } else {
+    reverse = properties.base < properties.y;
+    start = 'bottom';
+    end = 'top';
+  }
+  if (reverse) {
+    top = 'end';
+    bottom = 'start';
+  } else {
+    top = 'start';
+    bottom = 'end';
+  }
+  return {start, end, reverse, top, bottom};
+}
+function setBorderSkipped(properties, options, stack, index) {
+  let edge = options.borderSkipped;
+  const res = {};
+  if (!edge) {
+    properties.borderSkipped = res;
+    return;
+  }
+  const {start, end, reverse, top, bottom} = borderProps(properties);
+  if (edge === 'middle' && stack) {
+    properties.enableBorderRadius = true;
+    if ((stack._top || 0) === index) {
+      edge = top;
+    } else if ((stack._bottom || 0) === index) {
+      edge = bottom;
+    } else {
+      res[parseEdge(bottom, start, end, reverse)] = true;
+      edge = top;
+    }
+  }
+  res[parseEdge(edge, start, end, reverse)] = true;
+  properties.borderSkipped = res;
+}
+function parseEdge(edge, a, b, reverse) {
+  if (reverse) {
+    edge = swap(edge, a, b);
+    edge = startEnd(edge, b, a);
+  } else {
+    edge = startEnd(edge, a, b);
+  }
+  return edge;
+}
+function swap(orig, v1, v2) {
+  return orig === v1 ? v2 : orig === v2 ? v1 : orig;
+}
+function startEnd(v, start, end) {
+  return v === 'start' ? start : v === 'end' ? end : v;
+}
+function setInflateAmount(properties, {inflateAmount}, ratio) {
+  properties.inflateAmount = inflateAmount === 'auto'
+    ? ratio === 1 ? 0.33 : 0
+    : inflateAmount;
+}
+class BarController extends DatasetController {
+  parsePrimitiveData(meta, data, start, count) {
+    return parseArrayOrPrimitive(meta, data, start, count);
+  }
+  parseArrayData(meta, data, start, count) {
+    return parseArrayOrPrimitive(meta, data, start, count);
+  }
+  parseObjectData(meta, data, start, count) {
+    const {iScale, vScale} = meta;
+    const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing;
+    const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey;
+    const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey;
+    const parsed = [];
+    let i, ilen, item, obj;
+    for (i = start, ilen = start + count; i < ilen; ++i) {
+      obj = data[i];
+      item = {};
+      item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i);
+      parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i));
+    }
+    return parsed;
+  }
+  updateRangeFromParsed(range, scale, parsed, stack) {
+    super.updateRangeFromParsed(range, scale, parsed, stack);
+    const custom = parsed._custom;
+    if (custom && scale === this._cachedMeta.vScale) {
+      range.min = Math.min(range.min, custom.min);
+      range.max = Math.max(range.max, custom.max);
+    }
+  }
+  getMaxOverflow() {
+    return 0;
+  }
+  getLabelAndValue(index) {
+    const meta = this._cachedMeta;
+    const {iScale, vScale} = meta;
+    const parsed = this.getParsed(index);
+    const custom = parsed._custom;
+    const value = isFloatBar(custom)
+      ? '[' + custom.start + ', ' + custom.end + ']'
+      : '' + vScale.getLabelForValue(parsed[vScale.axis]);
+    return {
+      label: '' + iScale.getLabelForValue(parsed[iScale.axis]),
+      value
+    };
+  }
+  initialize() {
+    this.enableOptionSharing = true;
+    super.initialize();
+    const meta = this._cachedMeta;
+    meta.stack = this.getDataset().stack;
+  }
+  update(mode) {
+    const meta = this._cachedMeta;
+    this.updateElements(meta.data, 0, meta.data.length, mode);
+  }
+  updateElements(bars, start, count, mode) {
+    const reset = mode === 'reset';
+    const {index, _cachedMeta: {vScale}} = this;
+    const base = vScale.getBasePixel();
+    const horizontal = vScale.isHorizontal();
+    const ruler = this._getRuler();
+    const firstOpts = this.resolveDataElementOptions(start, mode);
+    const sharedOptions = this.getSharedOptions(firstOpts);
+    const includeOptions = this.includeOptions(mode, sharedOptions);
+    this.updateSharedOptions(sharedOptions, mode, firstOpts);
+    for (let i = start; i < start + count; i++) {
+      const parsed = this.getParsed(i);
+      const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {base, head: base} : this._calculateBarValuePixels(i);
+      const ipixels = this._calculateBarIndexPixels(i, ruler);
+      const stack = (parsed._stacks || {})[vScale.axis];
+      const properties = {
+        horizontal,
+        base: vpixels.base,
+        enableBorderRadius: !stack || isFloatBar(parsed._custom) || (index === stack._top || index === stack._bottom),
+        x: horizontal ? vpixels.head : ipixels.center,
+        y: horizontal ? ipixels.center : vpixels.head,
+        height: horizontal ? ipixels.size : Math.abs(vpixels.size),
+        width: horizontal ? Math.abs(vpixels.size) : ipixels.size
+      };
+      if (includeOptions) {
+        properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode);
+      }
+      const options = properties.options || bars[i].options;
+      setBorderSkipped(properties, options, stack, index);
+      setInflateAmount(properties, options, ruler.ratio);
+      this.updateElement(bars[i], i, properties, mode);
+    }
+  }
+  _getStacks(last, dataIndex) {
+    const meta = this._cachedMeta;
+    const iScale = meta.iScale;
+    const metasets = iScale.getMatchingVisibleMetas(this._type);
+    const stacked = iScale.options.stacked;
+    const ilen = metasets.length;
+    const stacks = [];
+    let i, item;
+    for (i = 0; i < ilen; ++i) {
+      item = metasets[i];
+      if (!item.controller.options.grouped) {
+        continue;
+      }
+      if (typeof dataIndex !== 'undefined') {
+        const val = item.controller.getParsed(dataIndex)[
+          item.controller._cachedMeta.vScale.axis
+        ];
+        if (isNullOrUndef(val) || isNaN(val)) {
+          continue;
+        }
+      }
+      if (stacked === false || stacks.indexOf(item.stack) === -1 ||
+				(stacked === undefined && item.stack === undefined)) {
+        stacks.push(item.stack);
+      }
+      if (item.index === last) {
+        break;
+      }
+    }
+    if (!stacks.length) {
+      stacks.push(undefined);
+    }
+    return stacks;
+  }
+  _getStackCount(index) {
+    return this._getStacks(undefined, index).length;
+  }
+  _getStackIndex(datasetIndex, name, dataIndex) {
+    const stacks = this._getStacks(datasetIndex, dataIndex);
+    const index = (name !== undefined)
+      ? stacks.indexOf(name)
+      : -1;
+    return (index === -1)
+      ? stacks.length - 1
+      : index;
+  }
+  _getRuler() {
+    const opts = this.options;
+    const meta = this._cachedMeta;
+    const iScale = meta.iScale;
+    const pixels = [];
+    let i, ilen;
+    for (i = 0, ilen = meta.data.length; i < ilen; ++i) {
+      pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i));
+    }
+    const barThickness = opts.barThickness;
+    const min = barThickness || computeMinSampleSize(meta);
+    return {
+      min,
+      pixels,
+      start: iScale._startPixel,
+      end: iScale._endPixel,
+      stackCount: this._getStackCount(),
+      scale: iScale,
+      grouped: opts.grouped,
+      ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage
+    };
+  }
+  _calculateBarValuePixels(index) {
+    const {_cachedMeta: {vScale, _stacked}, options: {base: baseValue, minBarLength}} = this;
+    const actualBase = baseValue || 0;
+    const parsed = this.getParsed(index);
+    const custom = parsed._custom;
+    const floating = isFloatBar(custom);
+    let value = parsed[vScale.axis];
+    let start = 0;
+    let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value;
+    let head, size;
+    if (length !== value) {
+      start = length - value;
+      length = value;
+    }
+    if (floating) {
+      value = custom.barStart;
+      length = custom.barEnd - custom.barStart;
+      if (value !== 0 && sign(value) !== sign(custom.barEnd)) {
+        start = 0;
+      }
+      start += value;
+    }
+    const startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start;
+    let base = vScale.getPixelForValue(startValue);
+    if (this.chart.getDataVisibility(index)) {
+      head = vScale.getPixelForValue(start + length);
+    } else {
+      head = base;
+    }
+    size = head - base;
+    if (Math.abs(size) < minBarLength) {
+      size = barSign(size, vScale, actualBase) * minBarLength;
+      if (value === actualBase) {
+        base -= size / 2;
+      }
+      head = base + size;
+    }
+    if (base === vScale.getPixelForValue(actualBase)) {
+      const halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2;
+      base += halfGrid;
+      size -= halfGrid;
+    }
+    return {
+      size,
+      base,
+      head,
+      center: head + size / 2
+    };
+  }
+  _calculateBarIndexPixels(index, ruler) {
+    const scale = ruler.scale;
+    const options = this.options;
+    const skipNull = options.skipNull;
+    const maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity);
+    let center, size;
+    if (ruler.grouped) {
+      const stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount;
+      const range = options.barThickness === 'flex'
+        ? computeFlexCategoryTraits(index, ruler, options, stackCount)
+        : computeFitCategoryTraits(index, ruler, options, stackCount);
+      const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined);
+      center = range.start + (range.chunk * stackIndex) + (range.chunk / 2);
+      size = Math.min(maxBarThickness, range.chunk * range.ratio);
+    } else {
+      center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index);
+      size = Math.min(maxBarThickness, ruler.min * ruler.ratio);
+    }
+    return {
+      base: center - size / 2,
+      head: center + size / 2,
+      center,
+      size
+    };
+  }
+  draw() {
+    const meta = this._cachedMeta;
+    const vScale = meta.vScale;
+    const rects = meta.data;
+    const ilen = rects.length;
+    let i = 0;
+    for (; i < ilen; ++i) {
+      if (this.getParsed(i)[vScale.axis] !== null) {
+        rects[i].draw(this._ctx);
+      }
+    }
+  }
+}
+BarController.id = 'bar';
+BarController.defaults = {
+  datasetElementType: false,
+  dataElementType: 'bar',
+  categoryPercentage: 0.8,
+  barPercentage: 0.9,
+  grouped: true,
+  animations: {
+    numbers: {
+      type: 'number',
+      properties: ['x', 'y', 'base', 'width', 'height']
+    }
+  }
+};
+BarController.overrides = {
+  scales: {
+    _index_: {
+      type: 'category',
+      offset: true,
+      grid: {
+        offset: true
+      }
+    },
+    _value_: {
+      type: 'linear',
+      beginAtZero: true,
+    }
+  }
+};
+
+class BubbleController extends DatasetController {
+  initialize() {
+    this.enableOptionSharing = true;
+    super.initialize();
+  }
+  parsePrimitiveData(meta, data, start, count) {
+    const parsed = super.parsePrimitiveData(meta, data, start, count);
+    for (let i = 0; i < parsed.length; i++) {
+      parsed[i]._custom = this.resolveDataElementOptions(i + start).radius;
+    }
+    return parsed;
+  }
+  parseArrayData(meta, data, start, count) {
+    const parsed = super.parseArrayData(meta, data, start, count);
+    for (let i = 0; i < parsed.length; i++) {
+      const item = data[start + i];
+      parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius);
+    }
+    return parsed;
+  }
+  parseObjectData(meta, data, start, count) {
+    const parsed = super.parseObjectData(meta, data, start, count);
+    for (let i = 0; i < parsed.length; i++) {
+      const item = data[start + i];
+      parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius);
+    }
+    return parsed;
+  }
+  getMaxOverflow() {
+    const data = this._cachedMeta.data;
+    let max = 0;
+    for (let i = data.length - 1; i >= 0; --i) {
+      max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2);
+    }
+    return max > 0 && max;
+  }
+  getLabelAndValue(index) {
+    const meta = this._cachedMeta;
+    const {xScale, yScale} = meta;
+    const parsed = this.getParsed(index);
+    const x = xScale.getLabelForValue(parsed.x);
+    const y = yScale.getLabelForValue(parsed.y);
+    const r = parsed._custom;
+    return {
+      label: meta.label,
+      value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')'
+    };
+  }
+  update(mode) {
+    const points = this._cachedMeta.data;
+    this.updateElements(points, 0, points.length, mode);
+  }
+  updateElements(points, start, count, mode) {
+    const reset = mode === 'reset';
+    const {iScale, vScale} = this._cachedMeta;
+    const firstOpts = this.resolveDataElementOptions(start, mode);
+    const sharedOptions = this.getSharedOptions(firstOpts);
+    const includeOptions = this.includeOptions(mode, sharedOptions);
+    const iAxis = iScale.axis;
+    const vAxis = vScale.axis;
+    for (let i = start; i < start + count; i++) {
+      const point = points[i];
+      const parsed = !reset && this.getParsed(i);
+      const properties = {};
+      const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]);
+      const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]);
+      properties.skip = isNaN(iPixel) || isNaN(vPixel);
+      if (includeOptions) {
+        properties.options = this.resolveDataElementOptions(i, point.active ? 'active' : mode);
+        if (reset) {
+          properties.options.radius = 0;
+        }
+      }
+      this.updateElement(point, i, properties, mode);
+    }
+    this.updateSharedOptions(sharedOptions, mode, firstOpts);
+  }
+  resolveDataElementOptions(index, mode) {
+    const parsed = this.getParsed(index);
+    let values = super.resolveDataElementOptions(index, mode);
+    if (values.$shared) {
+      values = Object.assign({}, values, {$shared: false});
+    }
+    const radius = values.radius;
+    if (mode !== 'active') {
+      values.radius = 0;
+    }
+    values.radius += valueOrDefault(parsed && parsed._custom, radius);
+    return values;
+  }
+}
+BubbleController.id = 'bubble';
+BubbleController.defaults = {
+  datasetElementType: false,
+  dataElementType: 'point',
+  animations: {
+    numbers: {
+      type: 'number',
+      properties: ['x', 'y', 'borderWidth', 'radius']
+    }
+  }
+};
+BubbleController.overrides = {
+  scales: {
+    x: {
+      type: 'linear'
+    },
+    y: {
+      type: 'linear'
+    }
+  },
+  plugins: {
+    tooltip: {
+      callbacks: {
+        title() {
+          return '';
+        }
+      }
+    }
+  }
+};
+
+function getRatioAndOffset(rotation, circumference, cutout) {
+  let ratioX = 1;
+  let ratioY = 1;
+  let offsetX = 0;
+  let offsetY = 0;
+  if (circumference < TAU) {
+    const startAngle = rotation;
+    const endAngle = startAngle + circumference;
+    const startX = Math.cos(startAngle);
+    const startY = Math.sin(startAngle);
+    const endX = Math.cos(endAngle);
+    const endY = Math.sin(endAngle);
+    const calcMax = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout);
+    const calcMin = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout);
+    const maxX = calcMax(0, startX, endX);
+    const maxY = calcMax(HALF_PI, startY, endY);
+    const minX = calcMin(PI, startX, endX);
+    const minY = calcMin(PI + HALF_PI, startY, endY);
+    ratioX = (maxX - minX) / 2;
+    ratioY = (maxY - minY) / 2;
+    offsetX = -(maxX + minX) / 2;
+    offsetY = -(maxY + minY) / 2;
+  }
+  return {ratioX, ratioY, offsetX, offsetY};
+}
+class DoughnutController extends DatasetController {
+  constructor(chart, datasetIndex) {
+    super(chart, datasetIndex);
+    this.enableOptionSharing = true;
+    this.innerRadius = undefined;
+    this.outerRadius = undefined;
+    this.offsetX = undefined;
+    this.offsetY = undefined;
+  }
+  linkScales() {}
+  parse(start, count) {
+    const data = this.getDataset().data;
+    const meta = this._cachedMeta;
+    if (this._parsing === false) {
+      meta._parsed = data;
+    } else {
+      let getter = (i) => +data[i];
+      if (isObject(data[start])) {
+        const {key = 'value'} = this._parsing;
+        getter = (i) => +resolveObjectKey(data[i], key);
+      }
+      let i, ilen;
+      for (i = start, ilen = start + count; i < ilen; ++i) {
+        meta._parsed[i] = getter(i);
+      }
+    }
+  }
+  _getRotation() {
+    return toRadians(this.options.rotation - 90);
+  }
+  _getCircumference() {
+    return toRadians(this.options.circumference);
+  }
+  _getRotationExtents() {
+    let min = TAU;
+    let max = -TAU;
+    for (let i = 0; i < this.chart.data.datasets.length; ++i) {
+      if (this.chart.isDatasetVisible(i)) {
+        const controller = this.chart.getDatasetMeta(i).controller;
+        const rotation = controller._getRotation();
+        const circumference = controller._getCircumference();
+        min = Math.min(min, rotation);
+        max = Math.max(max, rotation + circumference);
+      }
+    }
+    return {
+      rotation: min,
+      circumference: max - min,
+    };
+  }
+  update(mode) {
+    const chart = this.chart;
+    const {chartArea} = chart;
+    const meta = this._cachedMeta;
+    const arcs = meta.data;
+    const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing;
+    const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0);
+    const cutout = Math.min(toPercentage(this.options.cutout, maxSize), 1);
+    const chartWeight = this._getRingWeight(this.index);
+    const {circumference, rotation} = this._getRotationExtents();
+    const {ratioX, ratioY, offsetX, offsetY} = getRatioAndOffset(rotation, circumference, cutout);
+    const maxWidth = (chartArea.width - spacing) / ratioX;
+    const maxHeight = (chartArea.height - spacing) / ratioY;
+    const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);
+    const outerRadius = toDimension(this.options.radius, maxRadius);
+    const innerRadius = Math.max(outerRadius * cutout, 0);
+    const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal();
+    this.offsetX = offsetX * outerRadius;
+    this.offsetY = offsetY * outerRadius;
+    meta.total = this.calculateTotal();
+    this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index);
+    this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0);
+    this.updateElements(arcs, 0, arcs.length, mode);
+  }
+  _circumference(i, reset) {
+    const opts = this.options;
+    const meta = this._cachedMeta;
+    const circumference = this._getCircumference();
+    if ((reset && opts.animation.animateRotate) || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) {
+      return 0;
+    }
+    return this.calculateCircumference(meta._parsed[i] * circumference / TAU);
+  }
+  updateElements(arcs, start, count, mode) {
+    const reset = mode === 'reset';
+    const chart = this.chart;
+    const chartArea = chart.chartArea;
+    const opts = chart.options;
+    const animationOpts = opts.animation;
+    const centerX = (chartArea.left + chartArea.right) / 2;
+    const centerY = (chartArea.top + chartArea.bottom) / 2;
+    const animateScale = reset && animationOpts.animateScale;
+    const innerRadius = animateScale ? 0 : this.innerRadius;
+    const outerRadius = animateScale ? 0 : this.outerRadius;
+    const firstOpts = this.resolveDataElementOptions(start, mode);
+    const sharedOptions = this.getSharedOptions(firstOpts);
+    const includeOptions = this.includeOptions(mode, sharedOptions);
+    let startAngle = this._getRotation();
+    let i;
+    for (i = 0; i < start; ++i) {
+      startAngle += this._circumference(i, reset);
+    }
+    for (i = start; i < start + count; ++i) {
+      const circumference = this._circumference(i, reset);
+      const arc = arcs[i];
+      const properties = {
+        x: centerX + this.offsetX,
+        y: centerY + this.offsetY,
+        startAngle,
+        endAngle: startAngle + circumference,
+        circumference,
+        outerRadius,
+        innerRadius
+      };
+      if (includeOptions) {
+        properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode);
+      }
+      startAngle += circumference;
+      this.updateElement(arc, i, properties, mode);
+    }
+    this.updateSharedOptions(sharedOptions, mode, firstOpts);
+  }
+  calculateTotal() {
+    const meta = this._cachedMeta;
+    const metaData = meta.data;
+    let total = 0;
+    let i;
+    for (i = 0; i < metaData.length; i++) {
+      const value = meta._parsed[i];
+      if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) {
+        total += Math.abs(value);
+      }
+    }
+    return total;
+  }
+  calculateCircumference(value) {
+    const total = this._cachedMeta.total;
+    if (total > 0 && !isNaN(value)) {
+      return TAU * (Math.abs(value) / total);
+    }
+    return 0;
+  }
+  getLabelAndValue(index) {
+    const meta = this._cachedMeta;
+    const chart = this.chart;
+    const labels = chart.data.labels || [];
+    const value = formatNumber(meta._parsed[index], chart.options.locale);
+    return {
+      label: labels[index] || '',
+      value,
+    };
+  }
+  getMaxBorderWidth(arcs) {
+    let max = 0;
+    const chart = this.chart;
+    let i, ilen, meta, controller, options;
+    if (!arcs) {
+      for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
+        if (chart.isDatasetVisible(i)) {
+          meta = chart.getDatasetMeta(i);
+          arcs = meta.data;
+          controller = meta.controller;
+          break;
+        }
+      }
+    }
+    if (!arcs) {
+      return 0;
+    }
+    for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+      options = controller.resolveDataElementOptions(i);
+      if (options.borderAlign !== 'inner') {
+        max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0);
+      }
+    }
+    return max;
+  }
+  getMaxOffset(arcs) {
+    let max = 0;
+    for (let i = 0, ilen = arcs.length; i < ilen; ++i) {
+      const options = this.resolveDataElementOptions(i);
+      max = Math.max(max, options.offset || 0, options.hoverOffset || 0);
+    }
+    return max;
+  }
+  _getRingWeightOffset(datasetIndex) {
+    let ringWeightOffset = 0;
+    for (let i = 0; i < datasetIndex; ++i) {
+      if (this.chart.isDatasetVisible(i)) {
+        ringWeightOffset += this._getRingWeight(i);
+      }
+    }
+    return ringWeightOffset;
+  }
+  _getRingWeight(datasetIndex) {
+    return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0);
+  }
+  _getVisibleDatasetWeightTotal() {
+    return this._getRingWeightOffset(this.chart.data.datasets.length) || 1;
+  }
+}
+DoughnutController.id = 'doughnut';
+DoughnutController.defaults = {
+  datasetElementType: false,
+  dataElementType: 'arc',
+  animation: {
+    animateRotate: true,
+    animateScale: false
+  },
+  animations: {
+    numbers: {
+      type: 'number',
+      properties: ['circumference', 'endAngle', 'innerRadius', 'outerRadius', 'startAngle', 'x', 'y', 'offset', 'borderWidth', 'spacing']
+    },
+  },
+  cutout: '50%',
+  rotation: 0,
+  circumference: 360,
+  radius: '100%',
+  spacing: 0,
+  indexAxis: 'r',
+};
+DoughnutController.descriptors = {
+  _scriptable: (name) => name !== 'spacing',
+  _indexable: (name) => name !== 'spacing',
+};
+DoughnutController.overrides = {
+  aspectRatio: 1,
+  plugins: {
+    legend: {
+      labels: {
+        generateLabels(chart) {
+          const data = chart.data;
+          if (data.labels.length && data.datasets.length) {
+            const {labels: {pointStyle}} = chart.legend.options;
+            return data.labels.map((label, i) => {
+              const meta = chart.getDatasetMeta(0);
+              const style = meta.controller.getStyle(i);
+              return {
+                text: label,
+                fillStyle: style.backgroundColor,
+                strokeStyle: style.borderColor,
+                lineWidth: style.borderWidth,
+                pointStyle: pointStyle,
+                hidden: !chart.getDataVisibility(i),
+                index: i
+              };
+            });
+          }
+          return [];
+        }
+      },
+      onClick(e, legendItem, legend) {
+        legend.chart.toggleDataVisibility(legendItem.index);
+        legend.chart.update();
+      }
+    },
+    tooltip: {
+      callbacks: {
+        title() {
+          return '';
+        },
+        label(tooltipItem) {
+          let dataLabel = tooltipItem.label;
+          const value = ': ' + tooltipItem.formattedValue;
+          if (isArray(dataLabel)) {
+            dataLabel = dataLabel.slice();
+            dataLabel[0] += value;
+          } else {
+            dataLabel += value;
+          }
+          return dataLabel;
+        }
+      }
+    }
+  }
+};
+
+class LineController extends DatasetController {
+  initialize() {
+    this.enableOptionSharing = true;
+    super.initialize();
+  }
+  update(mode) {
+    const meta = this._cachedMeta;
+    const {dataset: line, data: points = [], _dataset} = meta;
+    const animationsDisabled = this.chart._animationsDisabled;
+    let {start, count} = getStartAndCountOfVisiblePoints(meta, points, animationsDisabled);
+    this._drawStart = start;
+    this._drawCount = count;
+    if (scaleRangesChanged(meta)) {
+      start = 0;
+      count = points.length;
+    }
+    line._chart = this.chart;
+    line._datasetIndex = this.index;
+    line._decimated = !!_dataset._decimated;
+    line.points = points;
+    const options = this.resolveDatasetElementOptions(mode);
+    if (!this.options.showLine) {
+      options.borderWidth = 0;
+    }
+    options.segment = this.options.segment;
+    this.updateElement(line, undefined, {
+      animated: !animationsDisabled,
+      options
+    }, mode);
+    this.updateElements(points, start, count, mode);
+  }
+  updateElements(points, start, count, mode) {
+    const reset = mode === 'reset';
+    const {iScale, vScale, _stacked, _dataset} = this._cachedMeta;
+    const firstOpts = this.resolveDataElementOptions(start, mode);
+    const sharedOptions = this.getSharedOptions(firstOpts);
+    const includeOptions = this.includeOptions(mode, sharedOptions);
+    const iAxis = iScale.axis;
+    const vAxis = vScale.axis;
+    const {spanGaps, segment} = this.options;
+    const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY;
+    const directUpdate = this.chart._animationsDisabled || reset || mode === 'none';
+    let prevParsed = start > 0 && this.getParsed(start - 1);
+    for (let i = start; i < start + count; ++i) {
+      const point = points[i];
+      const parsed = this.getParsed(i);
+      const properties = directUpdate ? point : {};
+      const nullData = isNullOrUndef(parsed[vAxis]);
+      const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i);
+      const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i);
+      properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData;
+      properties.stop = i > 0 && (parsed[iAxis] - prevParsed[iAxis]) > maxGapLength;
+      if (segment) {
+        properties.parsed = parsed;
+        properties.raw = _dataset.data[i];
+      }
+      if (includeOptions) {
+        properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);
+      }
+      if (!directUpdate) {
+        this.updateElement(point, i, properties, mode);
+      }
+      prevParsed = parsed;
+    }
+    this.updateSharedOptions(sharedOptions, mode, firstOpts);
+  }
+  getMaxOverflow() {
+    const meta = this._cachedMeta;
+    const dataset = meta.dataset;
+    const border = dataset.options && dataset.options.borderWidth || 0;
+    const data = meta.data || [];
+    if (!data.length) {
+      return border;
+    }
+    const firstPoint = data[0].size(this.resolveDataElementOptions(0));
+    const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1));
+    return Math.max(border, firstPoint, lastPoint) / 2;
+  }
+  draw() {
+    const meta = this._cachedMeta;
+    meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis);
+    super.draw();
+  }
+}
+LineController.id = 'line';
+LineController.defaults = {
+  datasetElementType: 'line',
+  dataElementType: 'point',
+  showLine: true,
+  spanGaps: false,
+};
+LineController.overrides = {
+  scales: {
+    _index_: {
+      type: 'category',
+    },
+    _value_: {
+      type: 'linear',
+    },
+  }
+};
+function getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) {
+  const pointCount = points.length;
+  let start = 0;
+  let count = pointCount;
+  if (meta._sorted) {
+    const {iScale, _parsed} = meta;
+    const axis = iScale.axis;
+    const {min, max, minDefined, maxDefined} = iScale.getUserBounds();
+    if (minDefined) {
+      start = _limitValue(Math.min(
+        _lookupByKey(_parsed, iScale.axis, min).lo,
+        animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo),
+      0, pointCount - 1);
+    }
+    if (maxDefined) {
+      count = _limitValue(Math.max(
+        _lookupByKey(_parsed, iScale.axis, max).hi + 1,
+        animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max)).hi + 1),
+      start, pointCount) - start;
+    } else {
+      count = pointCount - start;
+    }
+  }
+  return {start, count};
+}
+function scaleRangesChanged(meta) {
+  const {xScale, yScale, _scaleRanges} = meta;
+  const newRanges = {
+    xmin: xScale.min,
+    xmax: xScale.max,
+    ymin: yScale.min,
+    ymax: yScale.max
+  };
+  if (!_scaleRanges) {
+    meta._scaleRanges = newRanges;
+    return true;
+  }
+  const changed = _scaleRanges.xmin !== xScale.min
+		|| _scaleRanges.xmax !== xScale.max
+		|| _scaleRanges.ymin !== yScale.min
+		|| _scaleRanges.ymax !== yScale.max;
+  Object.assign(_scaleRanges, newRanges);
+  return changed;
+}
+
+class PolarAreaController extends DatasetController {
+  constructor(chart, datasetIndex) {
+    super(chart, datasetIndex);
+    this.innerRadius = undefined;
+    this.outerRadius = undefined;
+  }
+  getLabelAndValue(index) {
+    const meta = this._cachedMeta;
+    const chart = this.chart;
+    const labels = chart.data.labels || [];
+    const value = formatNumber(meta._parsed[index].r, chart.options.locale);
+    return {
+      label: labels[index] || '',
+      value,
+    };
+  }
+  update(mode) {
+    const arcs = this._cachedMeta.data;
+    this._updateRadius();
+    this.updateElements(arcs, 0, arcs.length, mode);
+  }
+  _updateRadius() {
+    const chart = this.chart;
+    const chartArea = chart.chartArea;
+    const opts = chart.options;
+    const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);
+    const outerRadius = Math.max(minSize / 2, 0);
+    const innerRadius = Math.max(opts.cutoutPercentage ? (outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);
+    const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount();
+    this.outerRadius = outerRadius - (radiusLength * this.index);
+    this.innerRadius = this.outerRadius - radiusLength;
+  }
+  updateElements(arcs, start, count, mode) {
+    const reset = mode === 'reset';
+    const chart = this.chart;
+    const dataset = this.getDataset();
+    const opts = chart.options;
+    const animationOpts = opts.animation;
+    const scale = this._cachedMeta.rScale;
+    const centerX = scale.xCenter;
+    const centerY = scale.yCenter;
+    const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI;
+    let angle = datasetStartAngle;
+    let i;
+    const defaultAngle = 360 / this.countVisibleElements();
+    for (i = 0; i < start; ++i) {
+      angle += this._computeAngle(i, mode, defaultAngle);
+    }
+    for (i = start; i < start + count; i++) {
+      const arc = arcs[i];
+      let startAngle = angle;
+      let endAngle = angle + this._computeAngle(i, mode, defaultAngle);
+      let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(dataset.data[i]) : 0;
+      angle = endAngle;
+      if (reset) {
+        if (animationOpts.animateScale) {
+          outerRadius = 0;
+        }
+        if (animationOpts.animateRotate) {
+          startAngle = endAngle = datasetStartAngle;
+        }
+      }
+      const properties = {
+        x: centerX,
+        y: centerY,
+        innerRadius: 0,
+        outerRadius,
+        startAngle,
+        endAngle,
+        options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode)
+      };
+      this.updateElement(arc, i, properties, mode);
+    }
+  }
+  countVisibleElements() {
+    const dataset = this.getDataset();
+    const meta = this._cachedMeta;
+    let count = 0;
+    meta.data.forEach((element, index) => {
+      if (!isNaN(dataset.data[index]) && this.chart.getDataVisibility(index)) {
+        count++;
+      }
+    });
+    return count;
+  }
+  _computeAngle(index, mode, defaultAngle) {
+    return this.chart.getDataVisibility(index)
+      ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle)
+      : 0;
+  }
+}
+PolarAreaController.id = 'polarArea';
+PolarAreaController.defaults = {
+  dataElementType: 'arc',
+  animation: {
+    animateRotate: true,
+    animateScale: true
+  },
+  animations: {
+    numbers: {
+      type: 'number',
+      properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius']
+    },
+  },
+  indexAxis: 'r',
+  startAngle: 0,
+};
+PolarAreaController.overrides = {
+  aspectRatio: 1,
+  plugins: {
+    legend: {
+      labels: {
+        generateLabels(chart) {
+          const data = chart.data;
+          if (data.labels.length && data.datasets.length) {
+            const {labels: {pointStyle}} = chart.legend.options;
+            return data.labels.map((label, i) => {
+              const meta = chart.getDatasetMeta(0);
+              const style = meta.controller.getStyle(i);
+              return {
+                text: label,
+                fillStyle: style.backgroundColor,
+                strokeStyle: style.borderColor,
+                lineWidth: style.borderWidth,
+                pointStyle: pointStyle,
+                hidden: !chart.getDataVisibility(i),
+                index: i
+              };
+            });
+          }
+          return [];
+        }
+      },
+      onClick(e, legendItem, legend) {
+        legend.chart.toggleDataVisibility(legendItem.index);
+        legend.chart.update();
+      }
+    },
+    tooltip: {
+      callbacks: {
+        title() {
+          return '';
+        },
+        label(context) {
+          return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue;
+        }
+      }
+    }
+  },
+  scales: {
+    r: {
+      type: 'radialLinear',
+      angleLines: {
+        display: false
+      },
+      beginAtZero: true,
+      grid: {
+        circular: true
+      },
+      pointLabels: {
+        display: false
+      },
+      startAngle: 0
+    }
+  }
+};
+
+class PieController extends DoughnutController {
+}
+PieController.id = 'pie';
+PieController.defaults = {
+  cutout: 0,
+  rotation: 0,
+  circumference: 360,
+  radius: '100%'
+};
+
+class RadarController extends DatasetController {
+  getLabelAndValue(index) {
+    const vScale = this._cachedMeta.vScale;
+    const parsed = this.getParsed(index);
+    return {
+      label: vScale.getLabels()[index],
+      value: '' + vScale.getLabelForValue(parsed[vScale.axis])
+    };
+  }
+  update(mode) {
+    const meta = this._cachedMeta;
+    const line = meta.dataset;
+    const points = meta.data || [];
+    const labels = meta.iScale.getLabels();
+    line.points = points;
+    if (mode !== 'resize') {
+      const options = this.resolveDatasetElementOptions(mode);
+      if (!this.options.showLine) {
+        options.borderWidth = 0;
+      }
+      const properties = {
+        _loop: true,
+        _fullLoop: labels.length === points.length,
+        options
+      };
+      this.updateElement(line, undefined, properties, mode);
+    }
+    this.updateElements(points, 0, points.length, mode);
+  }
+  updateElements(points, start, count, mode) {
+    const dataset = this.getDataset();
+    const scale = this._cachedMeta.rScale;
+    const reset = mode === 'reset';
+    for (let i = start; i < start + count; i++) {
+      const point = points[i];
+      const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode);
+      const pointPosition = scale.getPointPositionForValue(i, dataset.data[i]);
+      const x = reset ? scale.xCenter : pointPosition.x;
+      const y = reset ? scale.yCenter : pointPosition.y;
+      const properties = {
+        x,
+        y,
+        angle: pointPosition.angle,
+        skip: isNaN(x) || isNaN(y),
+        options
+      };
+      this.updateElement(point, i, properties, mode);
+    }
+  }
+}
+RadarController.id = 'radar';
+RadarController.defaults = {
+  datasetElementType: 'line',
+  dataElementType: 'point',
+  indexAxis: 'r',
+  showLine: true,
+  elements: {
+    line: {
+      fill: 'start'
+    }
+  },
+};
+RadarController.overrides = {
+  aspectRatio: 1,
+  scales: {
+    r: {
+      type: 'radialLinear',
+    }
+  }
+};
+
+class ScatterController extends LineController {
+}
+ScatterController.id = 'scatter';
+ScatterController.defaults = {
+  showLine: false,
+  fill: false
+};
+ScatterController.overrides = {
+  interaction: {
+    mode: 'point'
+  },
+  plugins: {
+    tooltip: {
+      callbacks: {
+        title() {
+          return '';
+        },
+        label(item) {
+          return '(' + item.label + ', ' + item.formattedValue + ')';
+        }
+      }
+    }
+  },
+  scales: {
+    x: {
+      type: 'linear'
+    },
+    y: {
+      type: 'linear'
+    }
+  }
+};
+
+var controllers = /*#__PURE__*/Object.freeze({
+__proto__: null,
+BarController: BarController,
+BubbleController: BubbleController,
+DoughnutController: DoughnutController,
+LineController: LineController,
+PolarAreaController: PolarAreaController,
+PieController: PieController,
+RadarController: RadarController,
+ScatterController: ScatterController
+});
+
+function clipArc(ctx, element, endAngle) {
+  const {startAngle, pixelMargin, x, y, outerRadius, innerRadius} = element;
+  let angleMargin = pixelMargin / outerRadius;
+  ctx.beginPath();
+  ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin);
+  if (innerRadius > pixelMargin) {
+    angleMargin = pixelMargin / innerRadius;
+    ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true);
+  } else {
+    ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI);
+  }
+  ctx.closePath();
+  ctx.clip();
+}
+function toRadiusCorners(value) {
+  return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']);
+}
+function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) {
+  const o = toRadiusCorners(arc.options.borderRadius);
+  const halfThickness = (outerRadius - innerRadius) / 2;
+  const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2);
+  const computeOuterLimit = (val) => {
+    const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2;
+    return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit));
+  };
+  return {
+    outerStart: computeOuterLimit(o.outerStart),
+    outerEnd: computeOuterLimit(o.outerEnd),
+    innerStart: _limitValue(o.innerStart, 0, innerLimit),
+    innerEnd: _limitValue(o.innerEnd, 0, innerLimit),
+  };
+}
+function rThetaToXY(r, theta, x, y) {
+  return {
+    x: x + r * Math.cos(theta),
+    y: y + r * Math.sin(theta),
+  };
+}
+function pathArc(ctx, element, offset, spacing, end) {
+  const {x, y, startAngle: start, pixelMargin, innerRadius: innerR} = element;
+  const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0);
+  const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0;
+  let spacingOffset = 0;
+  const alpha = end - start;
+  if (spacing) {
+    const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0;
+    const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0;
+    const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2;
+    const adjustedAngle = avNogSpacingRadius !== 0 ? (alpha * avNogSpacingRadius) / (avNogSpacingRadius + spacing) : alpha;
+    spacingOffset = (alpha - adjustedAngle) / 2;
+  }
+  const beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius;
+  const angleOffset = (alpha - beta) / 2;
+  const startAngle = start + angleOffset + spacingOffset;
+  const endAngle = end - angleOffset - spacingOffset;
+  const {outerStart, outerEnd, innerStart, innerEnd} = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle);
+  const outerStartAdjustedRadius = outerRadius - outerStart;
+  const outerEndAdjustedRadius = outerRadius - outerEnd;
+  const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius;
+  const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius;
+  const innerStartAdjustedRadius = innerRadius + innerStart;
+  const innerEndAdjustedRadius = innerRadius + innerEnd;
+  const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius;
+  const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius;
+  ctx.beginPath();
+  ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerEndAdjustedAngle);
+  if (outerEnd > 0) {
+    const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y);
+    ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI);
+  }
+  const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y);
+  ctx.lineTo(p4.x, p4.y);
+  if (innerEnd > 0) {
+    const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y);
+    ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI);
+  }
+  ctx.arc(x, y, innerRadius, endAngle - (innerEnd / innerRadius), startAngle + (innerStart / innerRadius), true);
+  if (innerStart > 0) {
+    const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y);
+    ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI);
+  }
+  const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y);
+  ctx.lineTo(p8.x, p8.y);
+  if (outerStart > 0) {
+    const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y);
+    ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle);
+  }
+  ctx.closePath();
+}
+function drawArc(ctx, element, offset, spacing) {
+  const {fullCircles, startAngle, circumference} = element;
+  let endAngle = element.endAngle;
+  if (fullCircles) {
+    pathArc(ctx, element, offset, spacing, startAngle + TAU);
+    for (let i = 0; i < fullCircles; ++i) {
+      ctx.fill();
+    }
+    if (!isNaN(circumference)) {
+      endAngle = startAngle + circumference % TAU;
+      if (circumference % TAU === 0) {
+        endAngle += TAU;
+      }
+    }
+  }
+  pathArc(ctx, element, offset, spacing, endAngle);
+  ctx.fill();
+  return endAngle;
+}
+function drawFullCircleBorders(ctx, element, inner) {
+  const {x, y, startAngle, pixelMargin, fullCircles} = element;
+  const outerRadius = Math.max(element.outerRadius - pixelMargin, 0);
+  const innerRadius = element.innerRadius + pixelMargin;
+  let i;
+  if (inner) {
+    clipArc(ctx, element, startAngle + TAU);
+  }
+  ctx.beginPath();
+  ctx.arc(x, y, innerRadius, startAngle + TAU, startAngle, true);
+  for (i = 0; i < fullCircles; ++i) {
+    ctx.stroke();
+  }
+  ctx.beginPath();
+  ctx.arc(x, y, outerRadius, startAngle, startAngle + TAU);
+  for (i = 0; i < fullCircles; ++i) {
+    ctx.stroke();
+  }
+}
+function drawBorder(ctx, element, offset, spacing, endAngle) {
+  const {options} = element;
+  const {borderWidth, borderJoinStyle} = options;
+  const inner = options.borderAlign === 'inner';
+  if (!borderWidth) {
+    return;
+  }
+  if (inner) {
+    ctx.lineWidth = borderWidth * 2;
+    ctx.lineJoin = borderJoinStyle || 'round';
+  } else {
+    ctx.lineWidth = borderWidth;
+    ctx.lineJoin = borderJoinStyle || 'bevel';
+  }
+  if (element.fullCircles) {
+    drawFullCircleBorders(ctx, element, inner);
+  }
+  if (inner) {
+    clipArc(ctx, element, endAngle);
+  }
+  pathArc(ctx, element, offset, spacing, endAngle);
+  ctx.stroke();
+}
+class ArcElement extends Element {
+  constructor(cfg) {
+    super();
+    this.options = undefined;
+    this.circumference = undefined;
+    this.startAngle = undefined;
+    this.endAngle = undefined;
+    this.innerRadius = undefined;
+    this.outerRadius = undefined;
+    this.pixelMargin = 0;
+    this.fullCircles = 0;
+    if (cfg) {
+      Object.assign(this, cfg);
+    }
+  }
+  inRange(chartX, chartY, useFinalPosition) {
+    const point = this.getProps(['x', 'y'], useFinalPosition);
+    const {angle, distance} = getAngleFromPoint(point, {x: chartX, y: chartY});
+    const {startAngle, endAngle, innerRadius, outerRadius, circumference} = this.getProps([
+      'startAngle',
+      'endAngle',
+      'innerRadius',
+      'outerRadius',
+      'circumference'
+    ], useFinalPosition);
+    const rAdjust = this.options.spacing / 2;
+    const _circumference = valueOrDefault(circumference, endAngle - startAngle);
+    const betweenAngles = _circumference >= TAU || _angleBetween(angle, startAngle, endAngle);
+    const withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust);
+    return (betweenAngles && withinRadius);
+  }
+  getCenterPoint(useFinalPosition) {
+    const {x, y, startAngle, endAngle, innerRadius, outerRadius} = this.getProps([
+      'x',
+      'y',
+      'startAngle',
+      'endAngle',
+      'innerRadius',
+      'outerRadius',
+      'circumference',
+    ], useFinalPosition);
+    const {offset, spacing} = this.options;
+    const halfAngle = (startAngle + endAngle) / 2;
+    const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2;
+    return {
+      x: x + Math.cos(halfAngle) * halfRadius,
+      y: y + Math.sin(halfAngle) * halfRadius
+    };
+  }
+  tooltipPosition(useFinalPosition) {
+    return this.getCenterPoint(useFinalPosition);
+  }
+  draw(ctx) {
+    const {options, circumference} = this;
+    const offset = (options.offset || 0) / 2;
+    const spacing = (options.spacing || 0) / 2;
+    this.pixelMargin = (options.borderAlign === 'inner') ? 0.33 : 0;
+    this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0;
+    if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) {
+      return;
+    }
+    ctx.save();
+    let radiusOffset = 0;
+    if (offset) {
+      radiusOffset = offset / 2;
+      const halfAngle = (this.startAngle + this.endAngle) / 2;
+      ctx.translate(Math.cos(halfAngle) * radiusOffset, Math.sin(halfAngle) * radiusOffset);
+      if (this.circumference >= PI) {
+        radiusOffset = offset;
+      }
+    }
+    ctx.fillStyle = options.backgroundColor;
+    ctx.strokeStyle = options.borderColor;
+    const endAngle = drawArc(ctx, this, radiusOffset, spacing);
+    drawBorder(ctx, this, radiusOffset, spacing, endAngle);
+    ctx.restore();
+  }
+}
+ArcElement.id = 'arc';
+ArcElement.defaults = {
+  borderAlign: 'center',
+  borderColor: '#fff',
+  borderJoinStyle: undefined,
+  borderRadius: 0,
+  borderWidth: 2,
+  offset: 0,
+  spacing: 0,
+  angle: undefined,
+};
+ArcElement.defaultRoutes = {
+  backgroundColor: 'backgroundColor'
+};
+
+function setStyle(ctx, options, style = options) {
+  ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle);
+  ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash));
+  ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset);
+  ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle);
+  ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth);
+  ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor);
+}
+function lineTo(ctx, previous, target) {
+  ctx.lineTo(target.x, target.y);
+}
+function getLineMethod(options) {
+  if (options.stepped) {
+    return _steppedLineTo;
+  }
+  if (options.tension || options.cubicInterpolationMode === 'monotone') {
+    return _bezierCurveTo;
+  }
+  return lineTo;
+}
+function pathVars(points, segment, params = {}) {
+  const count = points.length;
+  const {start: paramsStart = 0, end: paramsEnd = count - 1} = params;
+  const {start: segmentStart, end: segmentEnd} = segment;
+  const start = Math.max(paramsStart, segmentStart);
+  const end = Math.min(paramsEnd, segmentEnd);
+  const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd;
+  return {
+    count,
+    start,
+    loop: segment.loop,
+    ilen: end < start && !outside ? count + end - start : end - start
+  };
+}
+function pathSegment(ctx, line, segment, params) {
+  const {points, options} = line;
+  const {count, start, loop, ilen} = pathVars(points, segment, params);
+  const lineMethod = getLineMethod(options);
+  let {move = true, reverse} = params || {};
+  let i, point, prev;
+  for (i = 0; i <= ilen; ++i) {
+    point = points[(start + (reverse ? ilen - i : i)) % count];
+    if (point.skip) {
+      continue;
+    } else if (move) {
+      ctx.moveTo(point.x, point.y);
+      move = false;
+    } else {
+      lineMethod(ctx, prev, point, reverse, options.stepped);
+    }
+    prev = point;
+  }
+  if (loop) {
+    point = points[(start + (reverse ? ilen : 0)) % count];
+    lineMethod(ctx, prev, point, reverse, options.stepped);
+  }
+  return !!loop;
+}
+function fastPathSegment(ctx, line, segment, params) {
+  const points = line.points;
+  const {count, start, ilen} = pathVars(points, segment, params);
+  const {move = true, reverse} = params || {};
+  let avgX = 0;
+  let countX = 0;
+  let i, point, prevX, minY, maxY, lastY;
+  const pointIndex = (index) => (start + (reverse ? ilen - index : index)) % count;
+  const drawX = () => {
+    if (minY !== maxY) {
+      ctx.lineTo(avgX, maxY);
+      ctx.lineTo(avgX, minY);
+      ctx.lineTo(avgX, lastY);
+    }
+  };
+  if (move) {
+    point = points[pointIndex(0)];
+    ctx.moveTo(point.x, point.y);
+  }
+  for (i = 0; i <= ilen; ++i) {
+    point = points[pointIndex(i)];
+    if (point.skip) {
+      continue;
+    }
+    const x = point.x;
+    const y = point.y;
+    const truncX = x | 0;
+    if (truncX === prevX) {
+      if (y < minY) {
+        minY = y;
+      } else if (y > maxY) {
+        maxY = y;
+      }
+      avgX = (countX * avgX + x) / ++countX;
+    } else {
+      drawX();
+      ctx.lineTo(x, y);
+      prevX = truncX;
+      countX = 0;
+      minY = maxY = y;
+    }
+    lastY = y;
+  }
+  drawX();
+}
+function _getSegmentMethod(line) {
+  const opts = line.options;
+  const borderDash = opts.borderDash && opts.borderDash.length;
+  const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash;
+  return useFastPath ? fastPathSegment : pathSegment;
+}
+function _getInterpolationMethod(options) {
+  if (options.stepped) {
+    return _steppedInterpolation;
+  }
+  if (options.tension || options.cubicInterpolationMode === 'monotone') {
+    return _bezierInterpolation;
+  }
+  return _pointInLine;
+}
+function strokePathWithCache(ctx, line, start, count) {
+  let path = line._path;
+  if (!path) {
+    path = line._path = new Path2D();
+    if (line.path(path, start, count)) {
+      path.closePath();
+    }
+  }
+  setStyle(ctx, line.options);
+  ctx.stroke(path);
+}
+function strokePathDirect(ctx, line, start, count) {
+  const {segments, options} = line;
+  const segmentMethod = _getSegmentMethod(line);
+  for (const segment of segments) {
+    setStyle(ctx, options, segment.style);
+    ctx.beginPath();
+    if (segmentMethod(ctx, line, segment, {start, end: start + count - 1})) {
+      ctx.closePath();
+    }
+    ctx.stroke();
+  }
+}
+const usePath2D = typeof Path2D === 'function';
+function draw(ctx, line, start, count) {
+  if (usePath2D && !line.options.segment) {
+    strokePathWithCache(ctx, line, start, count);
+  } else {
+    strokePathDirect(ctx, line, start, count);
+  }
+}
+class LineElement extends Element {
+  constructor(cfg) {
+    super();
+    this.animated = true;
+    this.options = undefined;
+    this._chart = undefined;
+    this._loop = undefined;
+    this._fullLoop = undefined;
+    this._path = undefined;
+    this._points = undefined;
+    this._segments = undefined;
+    this._decimated = false;
+    this._pointsUpdated = false;
+    this._datasetIndex = undefined;
+    if (cfg) {
+      Object.assign(this, cfg);
+    }
+  }
+  updateControlPoints(chartArea, indexAxis) {
+    const options = this.options;
+    if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) {
+      const loop = options.spanGaps ? this._loop : this._fullLoop;
+      _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis);
+      this._pointsUpdated = true;
+    }
+  }
+  set points(points) {
+    this._points = points;
+    delete this._segments;
+    delete this._path;
+    this._pointsUpdated = false;
+  }
+  get points() {
+    return this._points;
+  }
+  get segments() {
+    return this._segments || (this._segments = _computeSegments(this, this.options.segment));
+  }
+  first() {
+    const segments = this.segments;
+    const points = this.points;
+    return segments.length && points[segments[0].start];
+  }
+  last() {
+    const segments = this.segments;
+    const points = this.points;
+    const count = segments.length;
+    return count && points[segments[count - 1].end];
+  }
+  interpolate(point, property) {
+    const options = this.options;
+    const value = point[property];
+    const points = this.points;
+    const segments = _boundSegments(this, {property, start: value, end: value});
+    if (!segments.length) {
+      return;
+    }
+    const result = [];
+    const _interpolate = _getInterpolationMethod(options);
+    let i, ilen;
+    for (i = 0, ilen = segments.length; i < ilen; ++i) {
+      const {start, end} = segments[i];
+      const p1 = points[start];
+      const p2 = points[end];
+      if (p1 === p2) {
+        result.push(p1);
+        continue;
+      }
+      const t = Math.abs((value - p1[property]) / (p2[property] - p1[property]));
+      const interpolated = _interpolate(p1, p2, t, options.stepped);
+      interpolated[property] = point[property];
+      result.push(interpolated);
+    }
+    return result.length === 1 ? result[0] : result;
+  }
+  pathSegment(ctx, segment, params) {
+    const segmentMethod = _getSegmentMethod(this);
+    return segmentMethod(ctx, this, segment, params);
+  }
+  path(ctx, start, count) {
+    const segments = this.segments;
+    const segmentMethod = _getSegmentMethod(this);
+    let loop = this._loop;
+    start = start || 0;
+    count = count || (this.points.length - start);
+    for (const segment of segments) {
+      loop &= segmentMethod(ctx, this, segment, {start, end: start + count - 1});
+    }
+    return !!loop;
+  }
+  draw(ctx, chartArea, start, count) {
+    const options = this.options || {};
+    const points = this.points || [];
+    if (points.length && options.borderWidth) {
+      ctx.save();
+      draw(ctx, this, start, count);
+      ctx.restore();
+    }
+    if (this.animated) {
+      this._pointsUpdated = false;
+      this._path = undefined;
+    }
+  }
+}
+LineElement.id = 'line';
+LineElement.defaults = {
+  borderCapStyle: 'butt',
+  borderDash: [],
+  borderDashOffset: 0,
+  borderJoinStyle: 'miter',
+  borderWidth: 3,
+  capBezierPoints: true,
+  cubicInterpolationMode: 'default',
+  fill: false,
+  spanGaps: false,
+  stepped: false,
+  tension: 0,
+};
+LineElement.defaultRoutes = {
+  backgroundColor: 'backgroundColor',
+  borderColor: 'borderColor'
+};
+LineElement.descriptors = {
+  _scriptable: true,
+  _indexable: (name) => name !== 'borderDash' && name !== 'fill',
+};
+
+function inRange$1(el, pos, axis, useFinalPosition) {
+  const options = el.options;
+  const {[axis]: value} = el.getProps([axis], useFinalPosition);
+  return (Math.abs(pos - value) < options.radius + options.hitRadius);
+}
+class PointElement extends Element {
+  constructor(cfg) {
+    super();
+    this.options = undefined;
+    this.parsed = undefined;
+    this.skip = undefined;
+    this.stop = undefined;
+    if (cfg) {
+      Object.assign(this, cfg);
+    }
+  }
+  inRange(mouseX, mouseY, useFinalPosition) {
+    const options = this.options;
+    const {x, y} = this.getProps(['x', 'y'], useFinalPosition);
+    return ((Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2)) < Math.pow(options.hitRadius + options.radius, 2));
+  }
+  inXRange(mouseX, useFinalPosition) {
+    return inRange$1(this, mouseX, 'x', useFinalPosition);
+  }
+  inYRange(mouseY, useFinalPosition) {
+    return inRange$1(this, mouseY, 'y', useFinalPosition);
+  }
+  getCenterPoint(useFinalPosition) {
+    const {x, y} = this.getProps(['x', 'y'], useFinalPosition);
+    return {x, y};
+  }
+  size(options) {
+    options = options || this.options || {};
+    let radius = options.radius || 0;
+    radius = Math.max(radius, radius && options.hoverRadius || 0);
+    const borderWidth = radius && options.borderWidth || 0;
+    return (radius + borderWidth) * 2;
+  }
+  draw(ctx, area) {
+    const options = this.options;
+    if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) {
+      return;
+    }
+    ctx.strokeStyle = options.borderColor;
+    ctx.lineWidth = options.borderWidth;
+    ctx.fillStyle = options.backgroundColor;
+    drawPoint(ctx, options, this.x, this.y);
+  }
+  getRange() {
+    const options = this.options || {};
+    return options.radius + options.hitRadius;
+  }
+}
+PointElement.id = 'point';
+PointElement.defaults = {
+  borderWidth: 1,
+  hitRadius: 1,
+  hoverBorderWidth: 1,
+  hoverRadius: 4,
+  pointStyle: 'circle',
+  radius: 3,
+  rotation: 0
+};
+PointElement.defaultRoutes = {
+  backgroundColor: 'backgroundColor',
+  borderColor: 'borderColor'
+};
+
+function getBarBounds(bar, useFinalPosition) {
+  const {x, y, base, width, height} = bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition);
+  let left, right, top, bottom, half;
+  if (bar.horizontal) {
+    half = height / 2;
+    left = Math.min(x, base);
+    right = Math.max(x, base);
+    top = y - half;
+    bottom = y + half;
+  } else {
+    half = width / 2;
+    left = x - half;
+    right = x + half;
+    top = Math.min(y, base);
+    bottom = Math.max(y, base);
+  }
+  return {left, top, right, bottom};
+}
+function skipOrLimit(skip, value, min, max) {
+  return skip ? 0 : _limitValue(value, min, max);
+}
+function parseBorderWidth(bar, maxW, maxH) {
+  const value = bar.options.borderWidth;
+  const skip = bar.borderSkipped;
+  const o = toTRBL(value);
+  return {
+    t: skipOrLimit(skip.top, o.top, 0, maxH),
+    r: skipOrLimit(skip.right, o.right, 0, maxW),
+    b: skipOrLimit(skip.bottom, o.bottom, 0, maxH),
+    l: skipOrLimit(skip.left, o.left, 0, maxW)
+  };
+}
+function parseBorderRadius(bar, maxW, maxH) {
+  const {enableBorderRadius} = bar.getProps(['enableBorderRadius']);
+  const value = bar.options.borderRadius;
+  const o = toTRBLCorners(value);
+  const maxR = Math.min(maxW, maxH);
+  const skip = bar.borderSkipped;
+  const enableBorder = enableBorderRadius || isObject(value);
+  return {
+    topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR),
+    topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR),
+    bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR),
+    bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR)
+  };
+}
+function boundingRects(bar) {
+  const bounds = getBarBounds(bar);
+  const width = bounds.right - bounds.left;
+  const height = bounds.bottom - bounds.top;
+  const border = parseBorderWidth(bar, width / 2, height / 2);
+  const radius = parseBorderRadius(bar, width / 2, height / 2);
+  return {
+    outer: {
+      x: bounds.left,
+      y: bounds.top,
+      w: width,
+      h: height,
+      radius
+    },
+    inner: {
+      x: bounds.left + border.l,
+      y: bounds.top + border.t,
+      w: width - border.l - border.r,
+      h: height - border.t - border.b,
+      radius: {
+        topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)),
+        topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)),
+        bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)),
+        bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)),
+      }
+    }
+  };
+}
+function inRange(bar, x, y, useFinalPosition) {
+  const skipX = x === null;
+  const skipY = y === null;
+  const skipBoth = skipX && skipY;
+  const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition);
+  return bounds
+		&& (skipX || _isBetween(x, bounds.left, bounds.right))
+		&& (skipY || _isBetween(y, bounds.top, bounds.bottom));
+}
+function hasRadius(radius) {
+  return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight;
+}
+function addNormalRectPath(ctx, rect) {
+  ctx.rect(rect.x, rect.y, rect.w, rect.h);
+}
+function inflateRect(rect, amount, refRect = {}) {
+  const x = rect.x !== refRect.x ? -amount : 0;
+  const y = rect.y !== refRect.y ? -amount : 0;
+  const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x;
+  const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y;
+  return {
+    x: rect.x + x,
+    y: rect.y + y,
+    w: rect.w + w,
+    h: rect.h + h,
+    radius: rect.radius
+  };
+}
+class BarElement extends Element {
+  constructor(cfg) {
+    super();
+    this.options = undefined;
+    this.horizontal = undefined;
+    this.base = undefined;
+    this.width = undefined;
+    this.height = undefined;
+    this.inflateAmount = undefined;
+    if (cfg) {
+      Object.assign(this, cfg);
+    }
+  }
+  draw(ctx) {
+    const {inflateAmount, options: {borderColor, backgroundColor}} = this;
+    const {inner, outer} = boundingRects(this);
+    const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath;
+    ctx.save();
+    if (outer.w !== inner.w || outer.h !== inner.h) {
+      ctx.beginPath();
+      addRectPath(ctx, inflateRect(outer, inflateAmount, inner));
+      ctx.clip();
+      addRectPath(ctx, inflateRect(inner, -inflateAmount, outer));
+      ctx.fillStyle = borderColor;
+      ctx.fill('evenodd');
+    }
+    ctx.beginPath();
+    addRectPath(ctx, inflateRect(inner, inflateAmount));
+    ctx.fillStyle = backgroundColor;
+    ctx.fill();
+    ctx.restore();
+  }
+  inRange(mouseX, mouseY, useFinalPosition) {
+    return inRange(this, mouseX, mouseY, useFinalPosition);
+  }
+  inXRange(mouseX, useFinalPosition) {
+    return inRange(this, mouseX, null, useFinalPosition);
+  }
+  inYRange(mouseY, useFinalPosition) {
+    return inRange(this, null, mouseY, useFinalPosition);
+  }
+  getCenterPoint(useFinalPosition) {
+    const {x, y, base, horizontal} = this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition);
+    return {
+      x: horizontal ? (x + base) / 2 : x,
+      y: horizontal ? y : (y + base) / 2
+    };
+  }
+  getRange(axis) {
+    return axis === 'x' ? this.width / 2 : this.height / 2;
+  }
+}
+BarElement.id = 'bar';
+BarElement.defaults = {
+  borderSkipped: 'start',
+  borderWidth: 0,
+  borderRadius: 0,
+  inflateAmount: 'auto',
+  pointStyle: undefined
+};
+BarElement.defaultRoutes = {
+  backgroundColor: 'backgroundColor',
+  borderColor: 'borderColor'
+};
+
+var elements = /*#__PURE__*/Object.freeze({
+__proto__: null,
+ArcElement: ArcElement,
+LineElement: LineElement,
+PointElement: PointElement,
+BarElement: BarElement
+});
+
+function lttbDecimation(data, start, count, availableWidth, options) {
+  const samples = options.samples || availableWidth;
+  if (samples >= count) {
+    return data.slice(start, start + count);
+  }
+  const decimated = [];
+  const bucketWidth = (count - 2) / (samples - 2);
+  let sampledIndex = 0;
+  const endIndex = start + count - 1;
+  let a = start;
+  let i, maxAreaPoint, maxArea, area, nextA;
+  decimated[sampledIndex++] = data[a];
+  for (i = 0; i < samples - 2; i++) {
+    let avgX = 0;
+    let avgY = 0;
+    let j;
+    const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start;
+    const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start;
+    const avgRangeLength = avgRangeEnd - avgRangeStart;
+    for (j = avgRangeStart; j < avgRangeEnd; j++) {
+      avgX += data[j].x;
+      avgY += data[j].y;
+    }
+    avgX /= avgRangeLength;
+    avgY /= avgRangeLength;
+    const rangeOffs = Math.floor(i * bucketWidth) + 1 + start;
+    const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start;
+    const {x: pointAx, y: pointAy} = data[a];
+    maxArea = area = -1;
+    for (j = rangeOffs; j < rangeTo; j++) {
+      area = 0.5 * Math.abs(
+        (pointAx - avgX) * (data[j].y - pointAy) -
+        (pointAx - data[j].x) * (avgY - pointAy)
+      );
+      if (area > maxArea) {
+        maxArea = area;
+        maxAreaPoint = data[j];
+        nextA = j;
+      }
+    }
+    decimated[sampledIndex++] = maxAreaPoint;
+    a = nextA;
+  }
+  decimated[sampledIndex++] = data[endIndex];
+  return decimated;
+}
+function minMaxDecimation(data, start, count, availableWidth) {
+  let avgX = 0;
+  let countX = 0;
+  let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY;
+  const decimated = [];
+  const endIndex = start + count - 1;
+  const xMin = data[start].x;
+  const xMax = data[endIndex].x;
+  const dx = xMax - xMin;
+  for (i = start; i < start + count; ++i) {
+    point = data[i];
+    x = (point.x - xMin) / dx * availableWidth;
+    y = point.y;
+    const truncX = x | 0;
+    if (truncX === prevX) {
+      if (y < minY) {
+        minY = y;
+        minIndex = i;
+      } else if (y > maxY) {
+        maxY = y;
+        maxIndex = i;
+      }
+      avgX = (countX * avgX + point.x) / ++countX;
+    } else {
+      const lastIndex = i - 1;
+      if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) {
+        const intermediateIndex1 = Math.min(minIndex, maxIndex);
+        const intermediateIndex2 = Math.max(minIndex, maxIndex);
+        if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) {
+          decimated.push({
+            ...data[intermediateIndex1],
+            x: avgX,
+          });
+        }
+        if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) {
+          decimated.push({
+            ...data[intermediateIndex2],
+            x: avgX
+          });
+        }
+      }
+      if (i > 0 && lastIndex !== startIndex) {
+        decimated.push(data[lastIndex]);
+      }
+      decimated.push(point);
+      prevX = truncX;
+      countX = 0;
+      minY = maxY = y;
+      minIndex = maxIndex = startIndex = i;
+    }
+  }
+  return decimated;
+}
+function cleanDecimatedDataset(dataset) {
+  if (dataset._decimated) {
+    const data = dataset._data;
+    delete dataset._decimated;
+    delete dataset._data;
+    Object.defineProperty(dataset, 'data', {value: data});
+  }
+}
+function cleanDecimatedData(chart) {
+  chart.data.datasets.forEach((dataset) => {
+    cleanDecimatedDataset(dataset);
+  });
+}
+function getStartAndCountOfVisiblePointsSimplified(meta, points) {
+  const pointCount = points.length;
+  let start = 0;
+  let count;
+  const {iScale} = meta;
+  const {min, max, minDefined, maxDefined} = iScale.getUserBounds();
+  if (minDefined) {
+    start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1);
+  }
+  if (maxDefined) {
+    count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start;
+  } else {
+    count = pointCount - start;
+  }
+  return {start, count};
+}
+var plugin_decimation = {
+  id: 'decimation',
+  defaults: {
+    algorithm: 'min-max',
+    enabled: false,
+  },
+  beforeElementsUpdate: (chart, args, options) => {
+    if (!options.enabled) {
+      cleanDecimatedData(chart);
+      return;
+    }
+    const availableWidth = chart.width;
+    chart.data.datasets.forEach((dataset, datasetIndex) => {
+      const {_data, indexAxis} = dataset;
+      const meta = chart.getDatasetMeta(datasetIndex);
+      const data = _data || dataset.data;
+      if (resolve([indexAxis, chart.options.indexAxis]) === 'y') {
+        return;
+      }
+      if (meta.type !== 'line') {
+        return;
+      }
+      const xAxis = chart.scales[meta.xAxisID];
+      if (xAxis.type !== 'linear' && xAxis.type !== 'time') {
+        return;
+      }
+      if (chart.options.parsing) {
+        return;
+      }
+      let {start, count} = getStartAndCountOfVisiblePointsSimplified(meta, data);
+      const threshold = options.threshold || 4 * availableWidth;
+      if (count <= threshold) {
+        cleanDecimatedDataset(dataset);
+        return;
+      }
+      if (isNullOrUndef(_data)) {
+        dataset._data = data;
+        delete dataset.data;
+        Object.defineProperty(dataset, 'data', {
+          configurable: true,
+          enumerable: true,
+          get: function() {
+            return this._decimated;
+          },
+          set: function(d) {
+            this._data = d;
+          }
+        });
+      }
+      let decimated;
+      switch (options.algorithm) {
+      case 'lttb':
+        decimated = lttbDecimation(data, start, count, availableWidth, options);
+        break;
+      case 'min-max':
+        decimated = minMaxDecimation(data, start, count, availableWidth);
+        break;
+      default:
+        throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`);
+      }
+      dataset._decimated = decimated;
+    });
+  },
+  destroy(chart) {
+    cleanDecimatedData(chart);
+  }
+};
+
+function getLineByIndex(chart, index) {
+  const meta = chart.getDatasetMeta(index);
+  const visible = meta && chart.isDatasetVisible(index);
+  return visible ? meta.dataset : null;
+}
+function parseFillOption(line) {
+  const options = line.options;
+  const fillOption = options.fill;
+  let fill = valueOrDefault(fillOption && fillOption.target, fillOption);
+  if (fill === undefined) {
+    fill = !!options.backgroundColor;
+  }
+  if (fill === false || fill === null) {
+    return false;
+  }
+  if (fill === true) {
+    return 'origin';
+  }
+  return fill;
+}
+function decodeFill(line, index, count) {
+  const fill = parseFillOption(line);
+  if (isObject(fill)) {
+    return isNaN(fill.value) ? false : fill;
+  }
+  let target = parseFloat(fill);
+  if (isNumberFinite(target) && Math.floor(target) === target) {
+    if (fill[0] === '-' || fill[0] === '+') {
+      target = index + target;
+    }
+    if (target === index || target < 0 || target >= count) {
+      return false;
+    }
+    return target;
+  }
+  return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill;
+}
+function computeLinearBoundary(source) {
+  const {scale = {}, fill} = source;
+  let target = null;
+  let horizontal;
+  if (fill === 'start') {
+    target = scale.bottom;
+  } else if (fill === 'end') {
+    target = scale.top;
+  } else if (isObject(fill)) {
+    target = scale.getPixelForValue(fill.value);
+  } else if (scale.getBasePixel) {
+    target = scale.getBasePixel();
+  }
+  if (isNumberFinite(target)) {
+    horizontal = scale.isHorizontal();
+    return {
+      x: horizontal ? target : null,
+      y: horizontal ? null : target
+    };
+  }
+  return null;
+}
+class simpleArc {
+  constructor(opts) {
+    this.x = opts.x;
+    this.y = opts.y;
+    this.radius = opts.radius;
+  }
+  pathSegment(ctx, bounds, opts) {
+    const {x, y, radius} = this;
+    bounds = bounds || {start: 0, end: TAU};
+    ctx.arc(x, y, radius, bounds.end, bounds.start, true);
+    return !opts.bounds;
+  }
+  interpolate(point) {
+    const {x, y, radius} = this;
+    const angle = point.angle;
+    return {
+      x: x + Math.cos(angle) * radius,
+      y: y + Math.sin(angle) * radius,
+      angle
+    };
+  }
+}
+function computeCircularBoundary(source) {
+  const {scale, fill} = source;
+  const options = scale.options;
+  const length = scale.getLabels().length;
+  const target = [];
+  const start = options.reverse ? scale.max : scale.min;
+  const end = options.reverse ? scale.min : scale.max;
+  let i, center, value;
+  if (fill === 'start') {
+    value = start;
+  } else if (fill === 'end') {
+    value = end;
+  } else if (isObject(fill)) {
+    value = fill.value;
+  } else {
+    value = scale.getBaseValue();
+  }
+  if (options.grid.circular) {
+    center = scale.getPointPositionForValue(0, start);
+    return new simpleArc({
+      x: center.x,
+      y: center.y,
+      radius: scale.getDistanceFromCenterForValue(value)
+    });
+  }
+  for (i = 0; i < length; ++i) {
+    target.push(scale.getPointPositionForValue(i, value));
+  }
+  return target;
+}
+function computeBoundary(source) {
+  const scale = source.scale || {};
+  if (scale.getPointPositionForValue) {
+    return computeCircularBoundary(source);
+  }
+  return computeLinearBoundary(source);
+}
+function findSegmentEnd(start, end, points) {
+  for (;end > start; end--) {
+    const point = points[end];
+    if (!isNaN(point.x) && !isNaN(point.y)) {
+      break;
+    }
+  }
+  return end;
+}
+function pointsFromSegments(boundary, line) {
+  const {x = null, y = null} = boundary || {};
+  const linePoints = line.points;
+  const points = [];
+  line.segments.forEach(({start, end}) => {
+    end = findSegmentEnd(start, end, linePoints);
+    const first = linePoints[start];
+    const last = linePoints[end];
+    if (y !== null) {
+      points.push({x: first.x, y});
+      points.push({x: last.x, y});
+    } else if (x !== null) {
+      points.push({x, y: first.y});
+      points.push({x, y: last.y});
+    }
+  });
+  return points;
+}
+function buildStackLine(source) {
+  const {scale, index, line} = source;
+  const points = [];
+  const segments = line.segments;
+  const sourcePoints = line.points;
+  const linesBelow = getLinesBelow(scale, index);
+  linesBelow.push(createBoundaryLine({x: null, y: scale.bottom}, line));
+  for (let i = 0; i < segments.length; i++) {
+    const segment = segments[i];
+    for (let j = segment.start; j <= segment.end; j++) {
+      addPointsBelow(points, sourcePoints[j], linesBelow);
+    }
+  }
+  return new LineElement({points, options: {}});
+}
+function getLinesBelow(scale, index) {
+  const below = [];
+  const metas = scale.getMatchingVisibleMetas('line');
+  for (let i = 0; i < metas.length; i++) {
+    const meta = metas[i];
+    if (meta.index === index) {
+      break;
+    }
+    if (!meta.hidden) {
+      below.unshift(meta.dataset);
+    }
+  }
+  return below;
+}
+function addPointsBelow(points, sourcePoint, linesBelow) {
+  const postponed = [];
+  for (let j = 0; j < linesBelow.length; j++) {
+    const line = linesBelow[j];
+    const {first, last, point} = findPoint(line, sourcePoint, 'x');
+    if (!point || (first && last)) {
+      continue;
+    }
+    if (first) {
+      postponed.unshift(point);
+    } else {
+      points.push(point);
+      if (!last) {
+        break;
+      }
+    }
+  }
+  points.push(...postponed);
+}
+function findPoint(line, sourcePoint, property) {
+  const point = line.interpolate(sourcePoint, property);
+  if (!point) {
+    return {};
+  }
+  const pointValue = point[property];
+  const segments = line.segments;
+  const linePoints = line.points;
+  let first = false;
+  let last = false;
+  for (let i = 0; i < segments.length; i++) {
+    const segment = segments[i];
+    const firstValue = linePoints[segment.start][property];
+    const lastValue = linePoints[segment.end][property];
+    if (_isBetween(pointValue, firstValue, lastValue)) {
+      first = pointValue === firstValue;
+      last = pointValue === lastValue;
+      break;
+    }
+  }
+  return {first, last, point};
+}
+function getTarget(source) {
+  const {chart, fill, line} = source;
+  if (isNumberFinite(fill)) {
+    return getLineByIndex(chart, fill);
+  }
+  if (fill === 'stack') {
+    return buildStackLine(source);
+  }
+  if (fill === 'shape') {
+    return true;
+  }
+  const boundary = computeBoundary(source);
+  if (boundary instanceof simpleArc) {
+    return boundary;
+  }
+  return createBoundaryLine(boundary, line);
+}
+function createBoundaryLine(boundary, line) {
+  let points = [];
+  let _loop = false;
+  if (isArray(boundary)) {
+    _loop = true;
+    points = boundary;
+  } else {
+    points = pointsFromSegments(boundary, line);
+  }
+  return points.length ? new LineElement({
+    points,
+    options: {tension: 0},
+    _loop,
+    _fullLoop: _loop
+  }) : null;
+}
+function resolveTarget(sources, index, propagate) {
+  const source = sources[index];
+  let fill = source.fill;
+  const visited = [index];
+  let target;
+  if (!propagate) {
+    return fill;
+  }
+  while (fill !== false && visited.indexOf(fill) === -1) {
+    if (!isNumberFinite(fill)) {
+      return fill;
+    }
+    target = sources[fill];
+    if (!target) {
+      return false;
+    }
+    if (target.visible) {
+      return fill;
+    }
+    visited.push(fill);
+    fill = target.fill;
+  }
+  return false;
+}
+function _clip(ctx, target, clipY) {
+  const {segments, points} = target;
+  let first = true;
+  let lineLoop = false;
+  ctx.beginPath();
+  for (const segment of segments) {
+    const {start, end} = segment;
+    const firstPoint = points[start];
+    const lastPoint = points[findSegmentEnd(start, end, points)];
+    if (first) {
+      ctx.moveTo(firstPoint.x, firstPoint.y);
+      first = false;
+    } else {
+      ctx.lineTo(firstPoint.x, clipY);
+      ctx.lineTo(firstPoint.x, firstPoint.y);
+    }
+    lineLoop = !!target.pathSegment(ctx, segment, {move: lineLoop});
+    if (lineLoop) {
+      ctx.closePath();
+    } else {
+      ctx.lineTo(lastPoint.x, clipY);
+    }
+  }
+  ctx.lineTo(target.first().x, clipY);
+  ctx.closePath();
+  ctx.clip();
+}
+function getBounds(property, first, last, loop) {
+  if (loop) {
+    return;
+  }
+  let start = first[property];
+  let end = last[property];
+  if (property === 'angle') {
+    start = _normalizeAngle(start);
+    end = _normalizeAngle(end);
+  }
+  return {property, start, end};
+}
+function _getEdge(a, b, prop, fn) {
+  if (a && b) {
+    return fn(a[prop], b[prop]);
+  }
+  return a ? a[prop] : b ? b[prop] : 0;
+}
+function _segments(line, target, property) {
+  const segments = line.segments;
+  const points = line.points;
+  const tpoints = target.points;
+  const parts = [];
+  for (const segment of segments) {
+    let {start, end} = segment;
+    end = findSegmentEnd(start, end, points);
+    const bounds = getBounds(property, points[start], points[end], segment.loop);
+    if (!target.segments) {
+      parts.push({
+        source: segment,
+        target: bounds,
+        start: points[start],
+        end: points[end]
+      });
+      continue;
+    }
+    const targetSegments = _boundSegments(target, bounds);
+    for (const tgt of targetSegments) {
+      const subBounds = getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop);
+      const fillSources = _boundSegment(segment, points, subBounds);
+      for (const fillSource of fillSources) {
+        parts.push({
+          source: fillSource,
+          target: tgt,
+          start: {
+            [property]: _getEdge(bounds, subBounds, 'start', Math.max)
+          },
+          end: {
+            [property]: _getEdge(bounds, subBounds, 'end', Math.min)
+          }
+        });
+      }
+    }
+  }
+  return parts;
+}
+function clipBounds(ctx, scale, bounds) {
+  const {top, bottom} = scale.chart.chartArea;
+  const {property, start, end} = bounds || {};
+  if (property === 'x') {
+    ctx.beginPath();
+    ctx.rect(start, top, end - start, bottom - top);
+    ctx.clip();
+  }
+}
+function interpolatedLineTo(ctx, target, point, property) {
+  const interpolatedPoint = target.interpolate(point, property);
+  if (interpolatedPoint) {
+    ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y);
+  }
+}
+function _fill(ctx, cfg) {
+  const {line, target, property, color, scale} = cfg;
+  const segments = _segments(line, target, property);
+  for (const {source: src, target: tgt, start, end} of segments) {
+    const {style: {backgroundColor = color} = {}} = src;
+    const notShape = target !== true;
+    ctx.save();
+    ctx.fillStyle = backgroundColor;
+    clipBounds(ctx, scale, notShape && getBounds(property, start, end));
+    ctx.beginPath();
+    const lineLoop = !!line.pathSegment(ctx, src);
+    let loop;
+    if (notShape) {
+      if (lineLoop) {
+        ctx.closePath();
+      } else {
+        interpolatedLineTo(ctx, target, end, property);
+      }
+      const targetLoop = !!target.pathSegment(ctx, tgt, {move: lineLoop, reverse: true});
+      loop = lineLoop && targetLoop;
+      if (!loop) {
+        interpolatedLineTo(ctx, target, start, property);
+      }
+    }
+    ctx.closePath();
+    ctx.fill(loop ? 'evenodd' : 'nonzero');
+    ctx.restore();
+  }
+}
+function doFill(ctx, cfg) {
+  const {line, target, above, below, area, scale} = cfg;
+  const property = line._loop ? 'angle' : cfg.axis;
+  ctx.save();
+  if (property === 'x' && below !== above) {
+    _clip(ctx, target, area.top);
+    _fill(ctx, {line, target, color: above, scale, property});
+    ctx.restore();
+    ctx.save();
+    _clip(ctx, target, area.bottom);
+  }
+  _fill(ctx, {line, target, color: below, scale, property});
+  ctx.restore();
+}
+function drawfill(ctx, source, area) {
+  const target = getTarget(source);
+  const {line, scale, axis} = source;
+  const lineOpts = line.options;
+  const fillOption = lineOpts.fill;
+  const color = lineOpts.backgroundColor;
+  const {above = color, below = color} = fillOption || {};
+  if (target && line.points.length) {
+    clipArea(ctx, area);
+    doFill(ctx, {line, target, above, below, area, scale, axis});
+    unclipArea(ctx);
+  }
+}
+var plugin_filler = {
+  id: 'filler',
+  afterDatasetsUpdate(chart, _args, options) {
+    const count = (chart.data.datasets || []).length;
+    const sources = [];
+    let meta, i, line, source;
+    for (i = 0; i < count; ++i) {
+      meta = chart.getDatasetMeta(i);
+      line = meta.dataset;
+      source = null;
+      if (line && line.options && line instanceof LineElement) {
+        source = {
+          visible: chart.isDatasetVisible(i),
+          index: i,
+          fill: decodeFill(line, i, count),
+          chart,
+          axis: meta.controller.options.indexAxis,
+          scale: meta.vScale,
+          line,
+        };
+      }
+      meta.$filler = source;
+      sources.push(source);
+    }
+    for (i = 0; i < count; ++i) {
+      source = sources[i];
+      if (!source || source.fill === false) {
+        continue;
+      }
+      source.fill = resolveTarget(sources, i, options.propagate);
+    }
+  },
+  beforeDraw(chart, _args, options) {
+    const draw = options.drawTime === 'beforeDraw';
+    const metasets = chart.getSortedVisibleDatasetMetas();
+    const area = chart.chartArea;
+    for (let i = metasets.length - 1; i >= 0; --i) {
+      const source = metasets[i].$filler;
+      if (!source) {
+        continue;
+      }
+      source.line.updateControlPoints(area, source.axis);
+      if (draw) {
+        drawfill(chart.ctx, source, area);
+      }
+    }
+  },
+  beforeDatasetsDraw(chart, _args, options) {
+    if (options.drawTime !== 'beforeDatasetsDraw') {
+      return;
+    }
+    const metasets = chart.getSortedVisibleDatasetMetas();
+    for (let i = metasets.length - 1; i >= 0; --i) {
+      const source = metasets[i].$filler;
+      if (source) {
+        drawfill(chart.ctx, source, chart.chartArea);
+      }
+    }
+  },
+  beforeDatasetDraw(chart, args, options) {
+    const source = args.meta.$filler;
+    if (!source || source.fill === false || options.drawTime !== 'beforeDatasetDraw') {
+      return;
+    }
+    drawfill(chart.ctx, source, chart.chartArea);
+  },
+  defaults: {
+    propagate: true,
+    drawTime: 'beforeDatasetDraw'
+  }
+};
+
+const getBoxSize = (labelOpts, fontSize) => {
+  let {boxHeight = fontSize, boxWidth = fontSize} = labelOpts;
+  if (labelOpts.usePointStyle) {
+    boxHeight = Math.min(boxHeight, fontSize);
+    boxWidth = Math.min(boxWidth, fontSize);
+  }
+  return {
+    boxWidth,
+    boxHeight,
+    itemHeight: Math.max(fontSize, boxHeight)
+  };
+};
+const itemsEqual = (a, b) => a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index;
+class Legend extends Element {
+  constructor(config) {
+    super();
+    this._added = false;
+    this.legendHitBoxes = [];
+    this._hoveredItem = null;
+    this.doughnutMode = false;
+    this.chart = config.chart;
+    this.options = config.options;
+    this.ctx = config.ctx;
+    this.legendItems = undefined;
+    this.columnSizes = undefined;
+    this.lineWidths = undefined;
+    this.maxHeight = undefined;
+    this.maxWidth = undefined;
+    this.top = undefined;
+    this.bottom = undefined;
+    this.left = undefined;
+    this.right = undefined;
+    this.height = undefined;
+    this.width = undefined;
+    this._margins = undefined;
+    this.position = undefined;
+    this.weight = undefined;
+    this.fullSize = undefined;
+  }
+  update(maxWidth, maxHeight, margins) {
+    this.maxWidth = maxWidth;
+    this.maxHeight = maxHeight;
+    this._margins = margins;
+    this.setDimensions();
+    this.buildLabels();
+    this.fit();
+  }
+  setDimensions() {
+    if (this.isHorizontal()) {
+      this.width = this.maxWidth;
+      this.left = this._margins.left;
+      this.right = this.width;
+    } else {
+      this.height = this.maxHeight;
+      this.top = this._margins.top;
+      this.bottom = this.height;
+    }
+  }
+  buildLabels() {
+    const labelOpts = this.options.labels || {};
+    let legendItems = callback(labelOpts.generateLabels, [this.chart], this) || [];
+    if (labelOpts.filter) {
+      legendItems = legendItems.filter((item) => labelOpts.filter(item, this.chart.data));
+    }
+    if (labelOpts.sort) {
+      legendItems = legendItems.sort((a, b) => labelOpts.sort(a, b, this.chart.data));
+    }
+    if (this.options.reverse) {
+      legendItems.reverse();
+    }
+    this.legendItems = legendItems;
+  }
+  fit() {
+    const {options, ctx} = this;
+    if (!options.display) {
+      this.width = this.height = 0;
+      return;
+    }
+    const labelOpts = options.labels;
+    const labelFont = toFont(labelOpts.font);
+    const fontSize = labelFont.size;
+    const titleHeight = this._computeTitleHeight();
+    const {boxWidth, itemHeight} = getBoxSize(labelOpts, fontSize);
+    let width, height;
+    ctx.font = labelFont.string;
+    if (this.isHorizontal()) {
+      width = this.maxWidth;
+      height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10;
+    } else {
+      height = this.maxHeight;
+      width = this._fitCols(titleHeight, fontSize, boxWidth, itemHeight) + 10;
+    }
+    this.width = Math.min(width, options.maxWidth || this.maxWidth);
+    this.height = Math.min(height, options.maxHeight || this.maxHeight);
+  }
+  _fitRows(titleHeight, fontSize, boxWidth, itemHeight) {
+    const {ctx, maxWidth, options: {labels: {padding}}} = this;
+    const hitboxes = this.legendHitBoxes = [];
+    const lineWidths = this.lineWidths = [0];
+    const lineHeight = itemHeight + padding;
+    let totalHeight = titleHeight;
+    ctx.textAlign = 'left';
+    ctx.textBaseline = 'middle';
+    let row = -1;
+    let top = -lineHeight;
+    this.legendItems.forEach((legendItem, i) => {
+      const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
+      if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) {
+        totalHeight += lineHeight;
+        lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0;
+        top += lineHeight;
+        row++;
+      }
+      hitboxes[i] = {left: 0, top, row, width: itemWidth, height: itemHeight};
+      lineWidths[lineWidths.length - 1] += itemWidth + padding;
+    });
+    return totalHeight;
+  }
+  _fitCols(titleHeight, fontSize, boxWidth, itemHeight) {
+    const {ctx, maxHeight, options: {labels: {padding}}} = this;
+    const hitboxes = this.legendHitBoxes = [];
+    const columnSizes = this.columnSizes = [];
+    const heightLimit = maxHeight - titleHeight;
+    let totalWidth = padding;
+    let currentColWidth = 0;
+    let currentColHeight = 0;
+    let left = 0;
+    let col = 0;
+    this.legendItems.forEach((legendItem, i) => {
+      const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
+      if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) {
+        totalWidth += currentColWidth + padding;
+        columnSizes.push({width: currentColWidth, height: currentColHeight});
+        left += currentColWidth + padding;
+        col++;
+        currentColWidth = currentColHeight = 0;
+      }
+      hitboxes[i] = {left, top: currentColHeight, col, width: itemWidth, height: itemHeight};
+      currentColWidth = Math.max(currentColWidth, itemWidth);
+      currentColHeight += itemHeight + padding;
+    });
+    totalWidth += currentColWidth;
+    columnSizes.push({width: currentColWidth, height: currentColHeight});
+    return totalWidth;
+  }
+  adjustHitBoxes() {
+    if (!this.options.display) {
+      return;
+    }
+    const titleHeight = this._computeTitleHeight();
+    const {legendHitBoxes: hitboxes, options: {align, labels: {padding}, rtl}} = this;
+    const rtlHelper = getRtlAdapter(rtl, this.left, this.width);
+    if (this.isHorizontal()) {
+      let row = 0;
+      let left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]);
+      for (const hitbox of hitboxes) {
+        if (row !== hitbox.row) {
+          row = hitbox.row;
+          left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]);
+        }
+        hitbox.top += this.top + titleHeight + padding;
+        hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width);
+        left += hitbox.width + padding;
+      }
+    } else {
+      let col = 0;
+      let top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height);
+      for (const hitbox of hitboxes) {
+        if (hitbox.col !== col) {
+          col = hitbox.col;
+          top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height);
+        }
+        hitbox.top = top;
+        hitbox.left += this.left + padding;
+        hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width);
+        top += hitbox.height + padding;
+      }
+    }
+  }
+  isHorizontal() {
+    return this.options.position === 'top' || this.options.position === 'bottom';
+  }
+  draw() {
+    if (this.options.display) {
+      const ctx = this.ctx;
+      clipArea(ctx, this);
+      this._draw();
+      unclipArea(ctx);
+    }
+  }
+  _draw() {
+    const {options: opts, columnSizes, lineWidths, ctx} = this;
+    const {align, labels: labelOpts} = opts;
+    const defaultColor = defaults.color;
+    const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width);
+    const labelFont = toFont(labelOpts.font);
+    const {color: fontColor, padding} = labelOpts;
+    const fontSize = labelFont.size;
+    const halfFontSize = fontSize / 2;
+    let cursor;
+    this.drawTitle();
+    ctx.textAlign = rtlHelper.textAlign('left');
+    ctx.textBaseline = 'middle';
+    ctx.lineWidth = 0.5;
+    ctx.font = labelFont.string;
+    const {boxWidth, boxHeight, itemHeight} = getBoxSize(labelOpts, fontSize);
+    const drawLegendBox = function(x, y, legendItem) {
+      if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) {
+        return;
+      }
+      ctx.save();
+      const lineWidth = valueOrDefault(legendItem.lineWidth, 1);
+      ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor);
+      ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt');
+      ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0);
+      ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter');
+      ctx.lineWidth = lineWidth;
+      ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor);
+      ctx.setLineDash(valueOrDefault(legendItem.lineDash, []));
+      if (labelOpts.usePointStyle) {
+        const drawOptions = {
+          radius: boxWidth * Math.SQRT2 / 2,
+          pointStyle: legendItem.pointStyle,
+          rotation: legendItem.rotation,
+          borderWidth: lineWidth
+        };
+        const centerX = rtlHelper.xPlus(x, boxWidth / 2);
+        const centerY = y + halfFontSize;
+        drawPoint(ctx, drawOptions, centerX, centerY);
+      } else {
+        const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0);
+        const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth);
+        const borderRadius = toTRBLCorners(legendItem.borderRadius);
+        ctx.beginPath();
+        if (Object.values(borderRadius).some(v => v !== 0)) {
+          addRoundedRectPath(ctx, {
+            x: xBoxLeft,
+            y: yBoxTop,
+            w: boxWidth,
+            h: boxHeight,
+            radius: borderRadius,
+          });
+        } else {
+          ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight);
+        }
+        ctx.fill();
+        if (lineWidth !== 0) {
+          ctx.stroke();
+        }
+      }
+      ctx.restore();
+    };
+    const fillText = function(x, y, legendItem) {
+      renderText(ctx, legendItem.text, x, y + (itemHeight / 2), labelFont, {
+        strikethrough: legendItem.hidden,
+        textAlign: rtlHelper.textAlign(legendItem.textAlign)
+      });
+    };
+    const isHorizontal = this.isHorizontal();
+    const titleHeight = this._computeTitleHeight();
+    if (isHorizontal) {
+      cursor = {
+        x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]),
+        y: this.top + padding + titleHeight,
+        line: 0
+      };
+    } else {
+      cursor = {
+        x: this.left + padding,
+        y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height),
+        line: 0
+      };
+    }
+    overrideTextDirection(this.ctx, opts.textDirection);
+    const lineHeight = itemHeight + padding;
+    this.legendItems.forEach((legendItem, i) => {
+      ctx.strokeStyle = legendItem.fontColor || fontColor;
+      ctx.fillStyle = legendItem.fontColor || fontColor;
+      const textWidth = ctx.measureText(legendItem.text).width;
+      const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign));
+      const width = boxWidth + halfFontSize + textWidth;
+      let x = cursor.x;
+      let y = cursor.y;
+      rtlHelper.setWidth(this.width);
+      if (isHorizontal) {
+        if (i > 0 && x + width + padding > this.right) {
+          y = cursor.y += lineHeight;
+          cursor.line++;
+          x = cursor.x = _alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]);
+        }
+      } else if (i > 0 && y + lineHeight > this.bottom) {
+        x = cursor.x = x + columnSizes[cursor.line].width + padding;
+        cursor.line++;
+        y = cursor.y = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height);
+      }
+      const realX = rtlHelper.x(x);
+      drawLegendBox(realX, y, legendItem);
+      x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl);
+      fillText(rtlHelper.x(x), y, legendItem);
+      if (isHorizontal) {
+        cursor.x += width + padding;
+      } else {
+        cursor.y += lineHeight;
+      }
+    });
+    restoreTextDirection(this.ctx, opts.textDirection);
+  }
+  drawTitle() {
+    const opts = this.options;
+    const titleOpts = opts.title;
+    const titleFont = toFont(titleOpts.font);
+    const titlePadding = toPadding(titleOpts.padding);
+    if (!titleOpts.display) {
+      return;
+    }
+    const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width);
+    const ctx = this.ctx;
+    const position = titleOpts.position;
+    const halfFontSize = titleFont.size / 2;
+    const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize;
+    let y;
+    let left = this.left;
+    let maxWidth = this.width;
+    if (this.isHorizontal()) {
+      maxWidth = Math.max(...this.lineWidths);
+      y = this.top + topPaddingPlusHalfFontSize;
+      left = _alignStartEnd(opts.align, left, this.right - maxWidth);
+    } else {
+      const maxHeight = this.columnSizes.reduce((acc, size) => Math.max(acc, size.height), 0);
+      y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight());
+    }
+    const x = _alignStartEnd(position, left, left + maxWidth);
+    ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position));
+    ctx.textBaseline = 'middle';
+    ctx.strokeStyle = titleOpts.color;
+    ctx.fillStyle = titleOpts.color;
+    ctx.font = titleFont.string;
+    renderText(ctx, titleOpts.text, x, y, titleFont);
+  }
+  _computeTitleHeight() {
+    const titleOpts = this.options.title;
+    const titleFont = toFont(titleOpts.font);
+    const titlePadding = toPadding(titleOpts.padding);
+    return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0;
+  }
+  _getLegendItemAt(x, y) {
+    let i, hitBox, lh;
+    if (_isBetween(x, this.left, this.right)
+      && _isBetween(y, this.top, this.bottom)) {
+      lh = this.legendHitBoxes;
+      for (i = 0; i < lh.length; ++i) {
+        hitBox = lh[i];
+        if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width)
+          && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) {
+          return this.legendItems[i];
+        }
+      }
+    }
+    return null;
+  }
+  handleEvent(e) {
+    const opts = this.options;
+    if (!isListened(e.type, opts)) {
+      return;
+    }
+    const hoveredItem = this._getLegendItemAt(e.x, e.y);
+    if (e.type === 'mousemove') {
+      const previous = this._hoveredItem;
+      const sameItem = itemsEqual(previous, hoveredItem);
+      if (previous && !sameItem) {
+        callback(opts.onLeave, [e, previous, this], this);
+      }
+      this._hoveredItem = hoveredItem;
+      if (hoveredItem && !sameItem) {
+        callback(opts.onHover, [e, hoveredItem, this], this);
+      }
+    } else if (hoveredItem) {
+      callback(opts.onClick, [e, hoveredItem, this], this);
+    }
+  }
+}
+function isListened(type, opts) {
+  if (type === 'mousemove' && (opts.onHover || opts.onLeave)) {
+    return true;
+  }
+  if (opts.onClick && (type === 'click' || type === 'mouseup')) {
+    return true;
+  }
+  return false;
+}
+var plugin_legend = {
+  id: 'legend',
+  _element: Legend,
+  start(chart, _args, options) {
+    const legend = chart.legend = new Legend({ctx: chart.ctx, options, chart});
+    layouts.configure(chart, legend, options);
+    layouts.addBox(chart, legend);
+  },
+  stop(chart) {
+    layouts.removeBox(chart, chart.legend);
+    delete chart.legend;
+  },
+  beforeUpdate(chart, _args, options) {
+    const legend = chart.legend;
+    layouts.configure(chart, legend, options);
+    legend.options = options;
+  },
+  afterUpdate(chart) {
+    const legend = chart.legend;
+    legend.buildLabels();
+    legend.adjustHitBoxes();
+  },
+  afterEvent(chart, args) {
+    if (!args.replay) {
+      chart.legend.handleEvent(args.event);
+    }
+  },
+  defaults: {
+    display: true,
+    position: 'top',
+    align: 'center',
+    fullSize: true,
+    reverse: false,
+    weight: 1000,
+    onClick(e, legendItem, legend) {
+      const index = legendItem.datasetIndex;
+      const ci = legend.chart;
+      if (ci.isDatasetVisible(index)) {
+        ci.hide(index);
+        legendItem.hidden = true;
+      } else {
+        ci.show(index);
+        legendItem.hidden = false;
+      }
+    },
+    onHover: null,
+    onLeave: null,
+    labels: {
+      color: (ctx) => ctx.chart.options.color,
+      boxWidth: 40,
+      padding: 10,
+      generateLabels(chart) {
+        const datasets = chart.data.datasets;
+        const {labels: {usePointStyle, pointStyle, textAlign, color}} = chart.legend.options;
+        return chart._getSortedDatasetMetas().map((meta) => {
+          const style = meta.controller.getStyle(usePointStyle ? 0 : undefined);
+          const borderWidth = toPadding(style.borderWidth);
+          return {
+            text: datasets[meta.index].label,
+            fillStyle: style.backgroundColor,
+            fontColor: color,
+            hidden: !meta.visible,
+            lineCap: style.borderCapStyle,
+            lineDash: style.borderDash,
+            lineDashOffset: style.borderDashOffset,
+            lineJoin: style.borderJoinStyle,
+            lineWidth: (borderWidth.width + borderWidth.height) / 4,
+            strokeStyle: style.borderColor,
+            pointStyle: pointStyle || style.pointStyle,
+            rotation: style.rotation,
+            textAlign: textAlign || style.textAlign,
+            borderRadius: 0,
+            datasetIndex: meta.index
+          };
+        }, this);
+      }
+    },
+    title: {
+      color: (ctx) => ctx.chart.options.color,
+      display: false,
+      position: 'center',
+      text: '',
+    }
+  },
+  descriptors: {
+    _scriptable: (name) => !name.startsWith('on'),
+    labels: {
+      _scriptable: (name) => !['generateLabels', 'filter', 'sort'].includes(name),
+    }
+  },
+};
+
+class Title extends Element {
+  constructor(config) {
+    super();
+    this.chart = config.chart;
+    this.options = config.options;
+    this.ctx = config.ctx;
+    this._padding = undefined;
+    this.top = undefined;
+    this.bottom = undefined;
+    this.left = undefined;
+    this.right = undefined;
+    this.width = undefined;
+    this.height = undefined;
+    this.position = undefined;
+    this.weight = undefined;
+    this.fullSize = undefined;
+  }
+  update(maxWidth, maxHeight) {
+    const opts = this.options;
+    this.left = 0;
+    this.top = 0;
+    if (!opts.display) {
+      this.width = this.height = this.right = this.bottom = 0;
+      return;
+    }
+    this.width = this.right = maxWidth;
+    this.height = this.bottom = maxHeight;
+    const lineCount = isArray(opts.text) ? opts.text.length : 1;
+    this._padding = toPadding(opts.padding);
+    const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height;
+    if (this.isHorizontal()) {
+      this.height = textSize;
+    } else {
+      this.width = textSize;
+    }
+  }
+  isHorizontal() {
+    const pos = this.options.position;
+    return pos === 'top' || pos === 'bottom';
+  }
+  _drawArgs(offset) {
+    const {top, left, bottom, right, options} = this;
+    const align = options.align;
+    let rotation = 0;
+    let maxWidth, titleX, titleY;
+    if (this.isHorizontal()) {
+      titleX = _alignStartEnd(align, left, right);
+      titleY = top + offset;
+      maxWidth = right - left;
+    } else {
+      if (options.position === 'left') {
+        titleX = left + offset;
+        titleY = _alignStartEnd(align, bottom, top);
+        rotation = PI * -0.5;
+      } else {
+        titleX = right - offset;
+        titleY = _alignStartEnd(align, top, bottom);
+        rotation = PI * 0.5;
+      }
+      maxWidth = bottom - top;
+    }
+    return {titleX, titleY, maxWidth, rotation};
+  }
+  draw() {
+    const ctx = this.ctx;
+    const opts = this.options;
+    if (!opts.display) {
+      return;
+    }
+    const fontOpts = toFont(opts.font);
+    const lineHeight = fontOpts.lineHeight;
+    const offset = lineHeight / 2 + this._padding.top;
+    const {titleX, titleY, maxWidth, rotation} = this._drawArgs(offset);
+    renderText(ctx, opts.text, 0, 0, fontOpts, {
+      color: opts.color,
+      maxWidth,
+      rotation,
+      textAlign: _toLeftRightCenter(opts.align),
+      textBaseline: 'middle',
+      translation: [titleX, titleY],
+    });
+  }
+}
+function createTitle(chart, titleOpts) {
+  const title = new Title({
+    ctx: chart.ctx,
+    options: titleOpts,
+    chart
+  });
+  layouts.configure(chart, title, titleOpts);
+  layouts.addBox(chart, title);
+  chart.titleBlock = title;
+}
+var plugin_title = {
+  id: 'title',
+  _element: Title,
+  start(chart, _args, options) {
+    createTitle(chart, options);
+  },
+  stop(chart) {
+    const titleBlock = chart.titleBlock;
+    layouts.removeBox(chart, titleBlock);
+    delete chart.titleBlock;
+  },
+  beforeUpdate(chart, _args, options) {
+    const title = chart.titleBlock;
+    layouts.configure(chart, title, options);
+    title.options = options;
+  },
+  defaults: {
+    align: 'center',
+    display: false,
+    font: {
+      weight: 'bold',
+    },
+    fullSize: true,
+    padding: 10,
+    position: 'top',
+    text: '',
+    weight: 2000
+  },
+  defaultRoutes: {
+    color: 'color'
+  },
+  descriptors: {
+    _scriptable: true,
+    _indexable: false,
+  },
+};
+
+const map = new WeakMap();
+var plugin_subtitle = {
+  id: 'subtitle',
+  start(chart, _args, options) {
+    const title = new Title({
+      ctx: chart.ctx,
+      options,
+      chart
+    });
+    layouts.configure(chart, title, options);
+    layouts.addBox(chart, title);
+    map.set(chart, title);
+  },
+  stop(chart) {
+    layouts.removeBox(chart, map.get(chart));
+    map.delete(chart);
+  },
+  beforeUpdate(chart, _args, options) {
+    const title = map.get(chart);
+    layouts.configure(chart, title, options);
+    title.options = options;
+  },
+  defaults: {
+    align: 'center',
+    display: false,
+    font: {
+      weight: 'normal',
+    },
+    fullSize: true,
+    padding: 0,
+    position: 'top',
+    text: '',
+    weight: 1500
+  },
+  defaultRoutes: {
+    color: 'color'
+  },
+  descriptors: {
+    _scriptable: true,
+    _indexable: false,
+  },
+};
+
+const positioners = {
+  average(items) {
+    if (!items.length) {
+      return false;
+    }
+    let i, len;
+    let x = 0;
+    let y = 0;
+    let count = 0;
+    for (i = 0, len = items.length; i < len; ++i) {
+      const el = items[i].element;
+      if (el && el.hasValue()) {
+        const pos = el.tooltipPosition();
+        x += pos.x;
+        y += pos.y;
+        ++count;
+      }
+    }
+    return {
+      x: x / count,
+      y: y / count
+    };
+  },
+  nearest(items, eventPosition) {
+    if (!items.length) {
+      return false;
+    }
+    let x = eventPosition.x;
+    let y = eventPosition.y;
+    let minDistance = Number.POSITIVE_INFINITY;
+    let i, len, nearestElement;
+    for (i = 0, len = items.length; i < len; ++i) {
+      const el = items[i].element;
+      if (el && el.hasValue()) {
+        const center = el.getCenterPoint();
+        const d = distanceBetweenPoints(eventPosition, center);
+        if (d < minDistance) {
+          minDistance = d;
+          nearestElement = el;
+        }
+      }
+    }
+    if (nearestElement) {
+      const tp = nearestElement.tooltipPosition();
+      x = tp.x;
+      y = tp.y;
+    }
+    return {
+      x,
+      y
+    };
+  }
+};
+function pushOrConcat(base, toPush) {
+  if (toPush) {
+    if (isArray(toPush)) {
+      Array.prototype.push.apply(base, toPush);
+    } else {
+      base.push(toPush);
+    }
+  }
+  return base;
+}
+function splitNewlines(str) {
+  if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) {
+    return str.split('\n');
+  }
+  return str;
+}
+function createTooltipItem(chart, item) {
+  const {element, datasetIndex, index} = item;
+  const controller = chart.getDatasetMeta(datasetIndex).controller;
+  const {label, value} = controller.getLabelAndValue(index);
+  return {
+    chart,
+    label,
+    parsed: controller.getParsed(index),
+    raw: chart.data.datasets[datasetIndex].data[index],
+    formattedValue: value,
+    dataset: controller.getDataset(),
+    dataIndex: index,
+    datasetIndex,
+    element
+  };
+}
+function getTooltipSize(tooltip, options) {
+  const ctx = tooltip.chart.ctx;
+  const {body, footer, title} = tooltip;
+  const {boxWidth, boxHeight} = options;
+  const bodyFont = toFont(options.bodyFont);
+  const titleFont = toFont(options.titleFont);
+  const footerFont = toFont(options.footerFont);
+  const titleLineCount = title.length;
+  const footerLineCount = footer.length;
+  const bodyLineItemCount = body.length;
+  const padding = toPadding(options.padding);
+  let height = padding.height;
+  let width = 0;
+  let combinedBodyLength = body.reduce((count, bodyItem) => count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0);
+  combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length;
+  if (titleLineCount) {
+    height += titleLineCount * titleFont.lineHeight
+			+ (titleLineCount - 1) * options.titleSpacing
+			+ options.titleMarginBottom;
+  }
+  if (combinedBodyLength) {
+    const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight;
+    height += bodyLineItemCount * bodyLineHeight
+			+ (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight
+			+ (combinedBodyLength - 1) * options.bodySpacing;
+  }
+  if (footerLineCount) {
+    height += options.footerMarginTop
+			+ footerLineCount * footerFont.lineHeight
+			+ (footerLineCount - 1) * options.footerSpacing;
+  }
+  let widthPadding = 0;
+  const maxLineWidth = function(line) {
+    width = Math.max(width, ctx.measureText(line).width + widthPadding);
+  };
+  ctx.save();
+  ctx.font = titleFont.string;
+  each(tooltip.title, maxLineWidth);
+  ctx.font = bodyFont.string;
+  each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth);
+  widthPadding = options.displayColors ? (boxWidth + 2 + options.boxPadding) : 0;
+  each(body, (bodyItem) => {
+    each(bodyItem.before, maxLineWidth);
+    each(bodyItem.lines, maxLineWidth);
+    each(bodyItem.after, maxLineWidth);
+  });
+  widthPadding = 0;
+  ctx.font = footerFont.string;
+  each(tooltip.footer, maxLineWidth);
+  ctx.restore();
+  width += padding.width;
+  return {width, height};
+}
+function determineYAlign(chart, size) {
+  const {y, height} = size;
+  if (y < height / 2) {
+    return 'top';
+  } else if (y > (chart.height - height / 2)) {
+    return 'bottom';
+  }
+  return 'center';
+}
+function doesNotFitWithAlign(xAlign, chart, options, size) {
+  const {x, width} = size;
+  const caret = options.caretSize + options.caretPadding;
+  if (xAlign === 'left' && x + width + caret > chart.width) {
+    return true;
+  }
+  if (xAlign === 'right' && x - width - caret < 0) {
+    return true;
+  }
+}
+function determineXAlign(chart, options, size, yAlign) {
+  const {x, width} = size;
+  const {width: chartWidth, chartArea: {left, right}} = chart;
+  let xAlign = 'center';
+  if (yAlign === 'center') {
+    xAlign = x <= (left + right) / 2 ? 'left' : 'right';
+  } else if (x <= width / 2) {
+    xAlign = 'left';
+  } else if (x >= chartWidth - width / 2) {
+    xAlign = 'right';
+  }
+  if (doesNotFitWithAlign(xAlign, chart, options, size)) {
+    xAlign = 'center';
+  }
+  return xAlign;
+}
+function determineAlignment(chart, options, size) {
+  const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size);
+  return {
+    xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign),
+    yAlign
+  };
+}
+function alignX(size, xAlign) {
+  let {x, width} = size;
+  if (xAlign === 'right') {
+    x -= width;
+  } else if (xAlign === 'center') {
+    x -= (width / 2);
+  }
+  return x;
+}
+function alignY(size, yAlign, paddingAndSize) {
+  let {y, height} = size;
+  if (yAlign === 'top') {
+    y += paddingAndSize;
+  } else if (yAlign === 'bottom') {
+    y -= height + paddingAndSize;
+  } else {
+    y -= (height / 2);
+  }
+  return y;
+}
+function getBackgroundPoint(options, size, alignment, chart) {
+  const {caretSize, caretPadding, cornerRadius} = options;
+  const {xAlign, yAlign} = alignment;
+  const paddingAndSize = caretSize + caretPadding;
+  const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius);
+  let x = alignX(size, xAlign);
+  const y = alignY(size, yAlign, paddingAndSize);
+  if (yAlign === 'center') {
+    if (xAlign === 'left') {
+      x += paddingAndSize;
+    } else if (xAlign === 'right') {
+      x -= paddingAndSize;
+    }
+  } else if (xAlign === 'left') {
+    x -= Math.max(topLeft, bottomLeft) + caretSize;
+  } else if (xAlign === 'right') {
+    x += Math.max(topRight, bottomRight) + caretSize;
+  }
+  return {
+    x: _limitValue(x, 0, chart.width - size.width),
+    y: _limitValue(y, 0, chart.height - size.height)
+  };
+}
+function getAlignedX(tooltip, align, options) {
+  const padding = toPadding(options.padding);
+  return align === 'center'
+    ? tooltip.x + tooltip.width / 2
+    : align === 'right'
+      ? tooltip.x + tooltip.width - padding.right
+      : tooltip.x + padding.left;
+}
+function getBeforeAfterBodyLines(callback) {
+  return pushOrConcat([], splitNewlines(callback));
+}
+function createTooltipContext(parent, tooltip, tooltipItems) {
+  return createContext(parent, {
+    tooltip,
+    tooltipItems,
+    type: 'tooltip'
+  });
+}
+function overrideCallbacks(callbacks, context) {
+  const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks;
+  return override ? callbacks.override(override) : callbacks;
+}
+class Tooltip extends Element {
+  constructor(config) {
+    super();
+    this.opacity = 0;
+    this._active = [];
+    this._eventPosition = undefined;
+    this._size = undefined;
+    this._cachedAnimations = undefined;
+    this._tooltipItems = [];
+    this.$animations = undefined;
+    this.$context = undefined;
+    this.chart = config.chart || config._chart;
+    this._chart = this.chart;
+    this.options = config.options;
+    this.dataPoints = undefined;
+    this.title = undefined;
+    this.beforeBody = undefined;
+    this.body = undefined;
+    this.afterBody = undefined;
+    this.footer = undefined;
+    this.xAlign = undefined;
+    this.yAlign = undefined;
+    this.x = undefined;
+    this.y = undefined;
+    this.height = undefined;
+    this.width = undefined;
+    this.caretX = undefined;
+    this.caretY = undefined;
+    this.labelColors = undefined;
+    this.labelPointStyles = undefined;
+    this.labelTextColors = undefined;
+  }
+  initialize(options) {
+    this.options = options;
+    this._cachedAnimations = undefined;
+    this.$context = undefined;
+  }
+  _resolveAnimations() {
+    const cached = this._cachedAnimations;
+    if (cached) {
+      return cached;
+    }
+    const chart = this.chart;
+    const options = this.options.setContext(this.getContext());
+    const opts = options.enabled && chart.options.animation && options.animations;
+    const animations = new Animations(this.chart, opts);
+    if (opts._cacheable) {
+      this._cachedAnimations = Object.freeze(animations);
+    }
+    return animations;
+  }
+  getContext() {
+    return this.$context ||
+			(this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems));
+  }
+  getTitle(context, options) {
+    const {callbacks} = options;
+    const beforeTitle = callbacks.beforeTitle.apply(this, [context]);
+    const title = callbacks.title.apply(this, [context]);
+    const afterTitle = callbacks.afterTitle.apply(this, [context]);
+    let lines = [];
+    lines = pushOrConcat(lines, splitNewlines(beforeTitle));
+    lines = pushOrConcat(lines, splitNewlines(title));
+    lines = pushOrConcat(lines, splitNewlines(afterTitle));
+    return lines;
+  }
+  getBeforeBody(tooltipItems, options) {
+    return getBeforeAfterBodyLines(options.callbacks.beforeBody.apply(this, [tooltipItems]));
+  }
+  getBody(tooltipItems, options) {
+    const {callbacks} = options;
+    const bodyItems = [];
+    each(tooltipItems, (context) => {
+      const bodyItem = {
+        before: [],
+        lines: [],
+        after: []
+      };
+      const scoped = overrideCallbacks(callbacks, context);
+      pushOrConcat(bodyItem.before, splitNewlines(scoped.beforeLabel.call(this, context)));
+      pushOrConcat(bodyItem.lines, scoped.label.call(this, context));
+      pushOrConcat(bodyItem.after, splitNewlines(scoped.afterLabel.call(this, context)));
+      bodyItems.push(bodyItem);
+    });
+    return bodyItems;
+  }
+  getAfterBody(tooltipItems, options) {
+    return getBeforeAfterBodyLines(options.callbacks.afterBody.apply(this, [tooltipItems]));
+  }
+  getFooter(tooltipItems, options) {
+    const {callbacks} = options;
+    const beforeFooter = callbacks.beforeFooter.apply(this, [tooltipItems]);
+    const footer = callbacks.footer.apply(this, [tooltipItems]);
+    const afterFooter = callbacks.afterFooter.apply(this, [tooltipItems]);
+    let lines = [];
+    lines = pushOrConcat(lines, splitNewlines(beforeFooter));
+    lines = pushOrConcat(lines, splitNewlines(footer));
+    lines = pushOrConcat(lines, splitNewlines(afterFooter));
+    return lines;
+  }
+  _createItems(options) {
+    const active = this._active;
+    const data = this.chart.data;
+    const labelColors = [];
+    const labelPointStyles = [];
+    const labelTextColors = [];
+    let tooltipItems = [];
+    let i, len;
+    for (i = 0, len = active.length; i < len; ++i) {
+      tooltipItems.push(createTooltipItem(this.chart, active[i]));
+    }
+    if (options.filter) {
+      tooltipItems = tooltipItems.filter((element, index, array) => options.filter(element, index, array, data));
+    }
+    if (options.itemSort) {
+      tooltipItems = tooltipItems.sort((a, b) => options.itemSort(a, b, data));
+    }
+    each(tooltipItems, (context) => {
+      const scoped = overrideCallbacks(options.callbacks, context);
+      labelColors.push(scoped.labelColor.call(this, context));
+      labelPointStyles.push(scoped.labelPointStyle.call(this, context));
+      labelTextColors.push(scoped.labelTextColor.call(this, context));
+    });
+    this.labelColors = labelColors;
+    this.labelPointStyles = labelPointStyles;
+    this.labelTextColors = labelTextColors;
+    this.dataPoints = tooltipItems;
+    return tooltipItems;
+  }
+  update(changed, replay) {
+    const options = this.options.setContext(this.getContext());
+    const active = this._active;
+    let properties;
+    let tooltipItems = [];
+    if (!active.length) {
+      if (this.opacity !== 0) {
+        properties = {
+          opacity: 0
+        };
+      }
+    } else {
+      const position = positioners[options.position].call(this, active, this._eventPosition);
+      tooltipItems = this._createItems(options);
+      this.title = this.getTitle(tooltipItems, options);
+      this.beforeBody = this.getBeforeBody(tooltipItems, options);
+      this.body = this.getBody(tooltipItems, options);
+      this.afterBody = this.getAfterBody(tooltipItems, options);
+      this.footer = this.getFooter(tooltipItems, options);
+      const size = this._size = getTooltipSize(this, options);
+      const positionAndSize = Object.assign({}, position, size);
+      const alignment = determineAlignment(this.chart, options, positionAndSize);
+      const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart);
+      this.xAlign = alignment.xAlign;
+      this.yAlign = alignment.yAlign;
+      properties = {
+        opacity: 1,
+        x: backgroundPoint.x,
+        y: backgroundPoint.y,
+        width: size.width,
+        height: size.height,
+        caretX: position.x,
+        caretY: position.y
+      };
+    }
+    this._tooltipItems = tooltipItems;
+    this.$context = undefined;
+    if (properties) {
+      this._resolveAnimations().update(this, properties);
+    }
+    if (changed && options.external) {
+      options.external.call(this, {chart: this.chart, tooltip: this, replay});
+    }
+  }
+  drawCaret(tooltipPoint, ctx, size, options) {
+    const caretPosition = this.getCaretPosition(tooltipPoint, size, options);
+    ctx.lineTo(caretPosition.x1, caretPosition.y1);
+    ctx.lineTo(caretPosition.x2, caretPosition.y2);
+    ctx.lineTo(caretPosition.x3, caretPosition.y3);
+  }
+  getCaretPosition(tooltipPoint, size, options) {
+    const {xAlign, yAlign} = this;
+    const {caretSize, cornerRadius} = options;
+    const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius);
+    const {x: ptX, y: ptY} = tooltipPoint;
+    const {width, height} = size;
+    let x1, x2, x3, y1, y2, y3;
+    if (yAlign === 'center') {
+      y2 = ptY + (height / 2);
+      if (xAlign === 'left') {
+        x1 = ptX;
+        x2 = x1 - caretSize;
+        y1 = y2 + caretSize;
+        y3 = y2 - caretSize;
+      } else {
+        x1 = ptX + width;
+        x2 = x1 + caretSize;
+        y1 = y2 - caretSize;
+        y3 = y2 + caretSize;
+      }
+      x3 = x1;
+    } else {
+      if (xAlign === 'left') {
+        x2 = ptX + Math.max(topLeft, bottomLeft) + (caretSize);
+      } else if (xAlign === 'right') {
+        x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize;
+      } else {
+        x2 = this.caretX;
+      }
+      if (yAlign === 'top') {
+        y1 = ptY;
+        y2 = y1 - caretSize;
+        x1 = x2 - caretSize;
+        x3 = x2 + caretSize;
+      } else {
+        y1 = ptY + height;
+        y2 = y1 + caretSize;
+        x1 = x2 + caretSize;
+        x3 = x2 - caretSize;
+      }
+      y3 = y1;
+    }
+    return {x1, x2, x3, y1, y2, y3};
+  }
+  drawTitle(pt, ctx, options) {
+    const title = this.title;
+    const length = title.length;
+    let titleFont, titleSpacing, i;
+    if (length) {
+      const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);
+      pt.x = getAlignedX(this, options.titleAlign, options);
+      ctx.textAlign = rtlHelper.textAlign(options.titleAlign);
+      ctx.textBaseline = 'middle';
+      titleFont = toFont(options.titleFont);
+      titleSpacing = options.titleSpacing;
+      ctx.fillStyle = options.titleColor;
+      ctx.font = titleFont.string;
+      for (i = 0; i < length; ++i) {
+        ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2);
+        pt.y += titleFont.lineHeight + titleSpacing;
+        if (i + 1 === length) {
+          pt.y += options.titleMarginBottom - titleSpacing;
+        }
+      }
+    }
+  }
+  _drawColorBox(ctx, pt, i, rtlHelper, options) {
+    const labelColors = this.labelColors[i];
+    const labelPointStyle = this.labelPointStyles[i];
+    const {boxHeight, boxWidth, boxPadding} = options;
+    const bodyFont = toFont(options.bodyFont);
+    const colorX = getAlignedX(this, 'left', options);
+    const rtlColorX = rtlHelper.x(colorX);
+    const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0;
+    const colorY = pt.y + yOffSet;
+    if (options.usePointStyle) {
+      const drawOptions = {
+        radius: Math.min(boxWidth, boxHeight) / 2,
+        pointStyle: labelPointStyle.pointStyle,
+        rotation: labelPointStyle.rotation,
+        borderWidth: 1
+      };
+      const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2;
+      const centerY = colorY + boxHeight / 2;
+      ctx.strokeStyle = options.multiKeyBackground;
+      ctx.fillStyle = options.multiKeyBackground;
+      drawPoint(ctx, drawOptions, centerX, centerY);
+      ctx.strokeStyle = labelColors.borderColor;
+      ctx.fillStyle = labelColors.backgroundColor;
+      drawPoint(ctx, drawOptions, centerX, centerY);
+    } else {
+      ctx.lineWidth = labelColors.borderWidth || 1;
+      ctx.strokeStyle = labelColors.borderColor;
+      ctx.setLineDash(labelColors.borderDash || []);
+      ctx.lineDashOffset = labelColors.borderDashOffset || 0;
+      const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth - boxPadding);
+      const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - boxPadding - 2);
+      const borderRadius = toTRBLCorners(labelColors.borderRadius);
+      if (Object.values(borderRadius).some(v => v !== 0)) {
+        ctx.beginPath();
+        ctx.fillStyle = options.multiKeyBackground;
+        addRoundedRectPath(ctx, {
+          x: outerX,
+          y: colorY,
+          w: boxWidth,
+          h: boxHeight,
+          radius: borderRadius,
+        });
+        ctx.fill();
+        ctx.stroke();
+        ctx.fillStyle = labelColors.backgroundColor;
+        ctx.beginPath();
+        addRoundedRectPath(ctx, {
+          x: innerX,
+          y: colorY + 1,
+          w: boxWidth - 2,
+          h: boxHeight - 2,
+          radius: borderRadius,
+        });
+        ctx.fill();
+      } else {
+        ctx.fillStyle = options.multiKeyBackground;
+        ctx.fillRect(outerX, colorY, boxWidth, boxHeight);
+        ctx.strokeRect(outerX, colorY, boxWidth, boxHeight);
+        ctx.fillStyle = labelColors.backgroundColor;
+        ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2);
+      }
+    }
+    ctx.fillStyle = this.labelTextColors[i];
+  }
+  drawBody(pt, ctx, options) {
+    const {body} = this;
+    const {bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth, boxPadding} = options;
+    const bodyFont = toFont(options.bodyFont);
+    let bodyLineHeight = bodyFont.lineHeight;
+    let xLinePadding = 0;
+    const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);
+    const fillLineOfText = function(line) {
+      ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2);
+      pt.y += bodyLineHeight + bodySpacing;
+    };
+    const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign);
+    let bodyItem, textColor, lines, i, j, ilen, jlen;
+    ctx.textAlign = bodyAlign;
+    ctx.textBaseline = 'middle';
+    ctx.font = bodyFont.string;
+    pt.x = getAlignedX(this, bodyAlignForCalculation, options);
+    ctx.fillStyle = options.bodyColor;
+    each(this.beforeBody, fillLineOfText);
+    xLinePadding = displayColors && bodyAlignForCalculation !== 'right'
+      ? bodyAlign === 'center' ? (boxWidth / 2 + boxPadding) : (boxWidth + 2 + boxPadding)
+      : 0;
+    for (i = 0, ilen = body.length; i < ilen; ++i) {
+      bodyItem = body[i];
+      textColor = this.labelTextColors[i];
+      ctx.fillStyle = textColor;
+      each(bodyItem.before, fillLineOfText);
+      lines = bodyItem.lines;
+      if (displayColors && lines.length) {
+        this._drawColorBox(ctx, pt, i, rtlHelper, options);
+        bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight);
+      }
+      for (j = 0, jlen = lines.length; j < jlen; ++j) {
+        fillLineOfText(lines[j]);
+        bodyLineHeight = bodyFont.lineHeight;
+      }
+      each(bodyItem.after, fillLineOfText);
+    }
+    xLinePadding = 0;
+    bodyLineHeight = bodyFont.lineHeight;
+    each(this.afterBody, fillLineOfText);
+    pt.y -= bodySpacing;
+  }
+  drawFooter(pt, ctx, options) {
+    const footer = this.footer;
+    const length = footer.length;
+    let footerFont, i;
+    if (length) {
+      const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);
+      pt.x = getAlignedX(this, options.footerAlign, options);
+      pt.y += options.footerMarginTop;
+      ctx.textAlign = rtlHelper.textAlign(options.footerAlign);
+      ctx.textBaseline = 'middle';
+      footerFont = toFont(options.footerFont);
+      ctx.fillStyle = options.footerColor;
+      ctx.font = footerFont.string;
+      for (i = 0; i < length; ++i) {
+        ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2);
+        pt.y += footerFont.lineHeight + options.footerSpacing;
+      }
+    }
+  }
+  drawBackground(pt, ctx, tooltipSize, options) {
+    const {xAlign, yAlign} = this;
+    const {x, y} = pt;
+    const {width, height} = tooltipSize;
+    const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(options.cornerRadius);
+    ctx.fillStyle = options.backgroundColor;
+    ctx.strokeStyle = options.borderColor;
+    ctx.lineWidth = options.borderWidth;
+    ctx.beginPath();
+    ctx.moveTo(x + topLeft, y);
+    if (yAlign === 'top') {
+      this.drawCaret(pt, ctx, tooltipSize, options);
+    }
+    ctx.lineTo(x + width - topRight, y);
+    ctx.quadraticCurveTo(x + width, y, x + width, y + topRight);
+    if (yAlign === 'center' && xAlign === 'right') {
+      this.drawCaret(pt, ctx, tooltipSize, options);
+    }
+    ctx.lineTo(x + width, y + height - bottomRight);
+    ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height);
+    if (yAlign === 'bottom') {
+      this.drawCaret(pt, ctx, tooltipSize, options);
+    }
+    ctx.lineTo(x + bottomLeft, y + height);
+    ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft);
+    if (yAlign === 'center' && xAlign === 'left') {
+      this.drawCaret(pt, ctx, tooltipSize, options);
+    }
+    ctx.lineTo(x, y + topLeft);
+    ctx.quadraticCurveTo(x, y, x + topLeft, y);
+    ctx.closePath();
+    ctx.fill();
+    if (options.borderWidth > 0) {
+      ctx.stroke();
+    }
+  }
+  _updateAnimationTarget(options) {
+    const chart = this.chart;
+    const anims = this.$animations;
+    const animX = anims && anims.x;
+    const animY = anims && anims.y;
+    if (animX || animY) {
+      const position = positioners[options.position].call(this, this._active, this._eventPosition);
+      if (!position) {
+        return;
+      }
+      const size = this._size = getTooltipSize(this, options);
+      const positionAndSize = Object.assign({}, position, this._size);
+      const alignment = determineAlignment(chart, options, positionAndSize);
+      const point = getBackgroundPoint(options, positionAndSize, alignment, chart);
+      if (animX._to !== point.x || animY._to !== point.y) {
+        this.xAlign = alignment.xAlign;
+        this.yAlign = alignment.yAlign;
+        this.width = size.width;
+        this.height = size.height;
+        this.caretX = position.x;
+        this.caretY = position.y;
+        this._resolveAnimations().update(this, point);
+      }
+    }
+  }
+  draw(ctx) {
+    const options = this.options.setContext(this.getContext());
+    let opacity = this.opacity;
+    if (!opacity) {
+      return;
+    }
+    this._updateAnimationTarget(options);
+    const tooltipSize = {
+      width: this.width,
+      height: this.height
+    };
+    const pt = {
+      x: this.x,
+      y: this.y
+    };
+    opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity;
+    const padding = toPadding(options.padding);
+    const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length;
+    if (options.enabled && hasTooltipContent) {
+      ctx.save();
+      ctx.globalAlpha = opacity;
+      this.drawBackground(pt, ctx, tooltipSize, options);
+      overrideTextDirection(ctx, options.textDirection);
+      pt.y += padding.top;
+      this.drawTitle(pt, ctx, options);
+      this.drawBody(pt, ctx, options);
+      this.drawFooter(pt, ctx, options);
+      restoreTextDirection(ctx, options.textDirection);
+      ctx.restore();
+    }
+  }
+  getActiveElements() {
+    return this._active || [];
+  }
+  setActiveElements(activeElements, eventPosition) {
+    const lastActive = this._active;
+    const active = activeElements.map(({datasetIndex, index}) => {
+      const meta = this.chart.getDatasetMeta(datasetIndex);
+      if (!meta) {
+        throw new Error('Cannot find a dataset at index ' + datasetIndex);
+      }
+      return {
+        datasetIndex,
+        element: meta.data[index],
+        index,
+      };
+    });
+    const changed = !_elementsEqual(lastActive, active);
+    const positionChanged = this._positionChanged(active, eventPosition);
+    if (changed || positionChanged) {
+      this._active = active;
+      this._eventPosition = eventPosition;
+      this._ignoreReplayEvents = true;
+      this.update(true);
+    }
+  }
+  handleEvent(e, replay, inChartArea = true) {
+    if (replay && this._ignoreReplayEvents) {
+      return false;
+    }
+    this._ignoreReplayEvents = false;
+    const options = this.options;
+    const lastActive = this._active || [];
+    const active = this._getActiveElements(e, lastActive, replay, inChartArea);
+    const positionChanged = this._positionChanged(active, e);
+    const changed = replay || !_elementsEqual(active, lastActive) || positionChanged;
+    if (changed) {
+      this._active = active;
+      if (options.enabled || options.external) {
+        this._eventPosition = {
+          x: e.x,
+          y: e.y
+        };
+        this.update(true, replay);
+      }
+    }
+    return changed;
+  }
+  _getActiveElements(e, lastActive, replay, inChartArea) {
+    const options = this.options;
+    if (e.type === 'mouseout') {
+      return [];
+    }
+    if (!inChartArea) {
+      return lastActive;
+    }
+    const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay);
+    if (options.reverse) {
+      active.reverse();
+    }
+    return active;
+  }
+  _positionChanged(active, e) {
+    const {caretX, caretY, options} = this;
+    const position = positioners[options.position].call(this, active, e);
+    return position !== false && (caretX !== position.x || caretY !== position.y);
+  }
+}
+Tooltip.positioners = positioners;
+var plugin_tooltip = {
+  id: 'tooltip',
+  _element: Tooltip,
+  positioners,
+  afterInit(chart, _args, options) {
+    if (options) {
+      chart.tooltip = new Tooltip({chart, options});
+    }
+  },
+  beforeUpdate(chart, _args, options) {
+    if (chart.tooltip) {
+      chart.tooltip.initialize(options);
+    }
+  },
+  reset(chart, _args, options) {
+    if (chart.tooltip) {
+      chart.tooltip.initialize(options);
+    }
+  },
+  afterDraw(chart) {
+    const tooltip = chart.tooltip;
+    const args = {
+      tooltip
+    };
+    if (chart.notifyPlugins('beforeTooltipDraw', args) === false) {
+      return;
+    }
+    if (tooltip) {
+      tooltip.draw(chart.ctx);
+    }
+    chart.notifyPlugins('afterTooltipDraw', args);
+  },
+  afterEvent(chart, args) {
+    if (chart.tooltip) {
+      const useFinalPosition = args.replay;
+      if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) {
+        args.changed = true;
+      }
+    }
+  },
+  defaults: {
+    enabled: true,
+    external: null,
+    position: 'average',
+    backgroundColor: 'rgba(0,0,0,0.8)',
+    titleColor: '#fff',
+    titleFont: {
+      weight: 'bold',
+    },
+    titleSpacing: 2,
+    titleMarginBottom: 6,
+    titleAlign: 'left',
+    bodyColor: '#fff',
+    bodySpacing: 2,
+    bodyFont: {
+    },
+    bodyAlign: 'left',
+    footerColor: '#fff',
+    footerSpacing: 2,
+    footerMarginTop: 6,
+    footerFont: {
+      weight: 'bold',
+    },
+    footerAlign: 'left',
+    padding: 6,
+    caretPadding: 2,
+    caretSize: 5,
+    cornerRadius: 6,
+    boxHeight: (ctx, opts) => opts.bodyFont.size,
+    boxWidth: (ctx, opts) => opts.bodyFont.size,
+    multiKeyBackground: '#fff',
+    displayColors: true,
+    boxPadding: 0,
+    borderColor: 'rgba(0,0,0,0)',
+    borderWidth: 0,
+    animation: {
+      duration: 400,
+      easing: 'easeOutQuart',
+    },
+    animations: {
+      numbers: {
+        type: 'number',
+        properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY'],
+      },
+      opacity: {
+        easing: 'linear',
+        duration: 200
+      }
+    },
+    callbacks: {
+      beforeTitle: noop,
+      title(tooltipItems) {
+        if (tooltipItems.length > 0) {
+          const item = tooltipItems[0];
+          const labels = item.chart.data.labels;
+          const labelCount = labels ? labels.length : 0;
+          if (this && this.options && this.options.mode === 'dataset') {
+            return item.dataset.label || '';
+          } else if (item.label) {
+            return item.label;
+          } else if (labelCount > 0 && item.dataIndex < labelCount) {
+            return labels[item.dataIndex];
+          }
+        }
+        return '';
+      },
+      afterTitle: noop,
+      beforeBody: noop,
+      beforeLabel: noop,
+      label(tooltipItem) {
+        if (this && this.options && this.options.mode === 'dataset') {
+          return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue;
+        }
+        let label = tooltipItem.dataset.label || '';
+        if (label) {
+          label += ': ';
+        }
+        const value = tooltipItem.formattedValue;
+        if (!isNullOrUndef(value)) {
+          label += value;
+        }
+        return label;
+      },
+      labelColor(tooltipItem) {
+        const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);
+        const options = meta.controller.getStyle(tooltipItem.dataIndex);
+        return {
+          borderColor: options.borderColor,
+          backgroundColor: options.backgroundColor,
+          borderWidth: options.borderWidth,
+          borderDash: options.borderDash,
+          borderDashOffset: options.borderDashOffset,
+          borderRadius: 0,
+        };
+      },
+      labelTextColor() {
+        return this.options.bodyColor;
+      },
+      labelPointStyle(tooltipItem) {
+        const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);
+        const options = meta.controller.getStyle(tooltipItem.dataIndex);
+        return {
+          pointStyle: options.pointStyle,
+          rotation: options.rotation,
+        };
+      },
+      afterLabel: noop,
+      afterBody: noop,
+      beforeFooter: noop,
+      footer: noop,
+      afterFooter: noop
+    }
+  },
+  defaultRoutes: {
+    bodyFont: 'font',
+    footerFont: 'font',
+    titleFont: 'font'
+  },
+  descriptors: {
+    _scriptable: (name) => name !== 'filter' && name !== 'itemSort' && name !== 'external',
+    _indexable: false,
+    callbacks: {
+      _scriptable: false,
+      _indexable: false,
+    },
+    animation: {
+      _fallback: false
+    },
+    animations: {
+      _fallback: 'animation'
+    }
+  },
+  additionalOptionScopes: ['interaction']
+};
+
+var plugins = /*#__PURE__*/Object.freeze({
+__proto__: null,
+Decimation: plugin_decimation,
+Filler: plugin_filler,
+Legend: plugin_legend,
+SubTitle: plugin_subtitle,
+Title: plugin_title,
+Tooltip: plugin_tooltip
+});
+
+const addIfString = (labels, raw, index, addedLabels) => {
+  if (typeof raw === 'string') {
+    index = labels.push(raw) - 1;
+    addedLabels.unshift({index, label: raw});
+  } else if (isNaN(raw)) {
+    index = null;
+  }
+  return index;
+};
+function findOrAddLabel(labels, raw, index, addedLabels) {
+  const first = labels.indexOf(raw);
+  if (first === -1) {
+    return addIfString(labels, raw, index, addedLabels);
+  }
+  const last = labels.lastIndexOf(raw);
+  return first !== last ? index : first;
+}
+const validIndex = (index, max) => index === null ? null : _limitValue(Math.round(index), 0, max);
+class CategoryScale extends Scale {
+  constructor(cfg) {
+    super(cfg);
+    this._startValue = undefined;
+    this._valueRange = 0;
+    this._addedLabels = [];
+  }
+  init(scaleOptions) {
+    const added = this._addedLabels;
+    if (added.length) {
+      const labels = this.getLabels();
+      for (const {index, label} of added) {
+        if (labels[index] === label) {
+          labels.splice(index, 1);
+        }
+      }
+      this._addedLabels = [];
+    }
+    super.init(scaleOptions);
+  }
+  parse(raw, index) {
+    if (isNullOrUndef(raw)) {
+      return null;
+    }
+    const labels = this.getLabels();
+    index = isFinite(index) && labels[index] === raw ? index
+      : findOrAddLabel(labels, raw, valueOrDefault(index, raw), this._addedLabels);
+    return validIndex(index, labels.length - 1);
+  }
+  determineDataLimits() {
+    const {minDefined, maxDefined} = this.getUserBounds();
+    let {min, max} = this.getMinMax(true);
+    if (this.options.bounds === 'ticks') {
+      if (!minDefined) {
+        min = 0;
+      }
+      if (!maxDefined) {
+        max = this.getLabels().length - 1;
+      }
+    }
+    this.min = min;
+    this.max = max;
+  }
+  buildTicks() {
+    const min = this.min;
+    const max = this.max;
+    const offset = this.options.offset;
+    const ticks = [];
+    let labels = this.getLabels();
+    labels = (min === 0 && max === labels.length - 1) ? labels : labels.slice(min, max + 1);
+    this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1);
+    this._startValue = this.min - (offset ? 0.5 : 0);
+    for (let value = min; value <= max; value++) {
+      ticks.push({value});
+    }
+    return ticks;
+  }
+  getLabelForValue(value) {
+    const labels = this.getLabels();
+    if (value >= 0 && value < labels.length) {
+      return labels[value];
+    }
+    return value;
+  }
+  configure() {
+    super.configure();
+    if (!this.isHorizontal()) {
+      this._reversePixels = !this._reversePixels;
+    }
+  }
+  getPixelForValue(value) {
+    if (typeof value !== 'number') {
+      value = this.parse(value);
+    }
+    return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);
+  }
+  getPixelForTick(index) {
+    const ticks = this.ticks;
+    if (index < 0 || index > ticks.length - 1) {
+      return null;
+    }
+    return this.getPixelForValue(ticks[index].value);
+  }
+  getValueForPixel(pixel) {
+    return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange);
+  }
+  getBasePixel() {
+    return this.bottom;
+  }
+}
+CategoryScale.id = 'category';
+CategoryScale.defaults = {
+  ticks: {
+    callback: CategoryScale.prototype.getLabelForValue
+  }
+};
+
+function generateTicks$1(generationOptions, dataRange) {
+  const ticks = [];
+  const MIN_SPACING = 1e-14;
+  const {bounds, step, min, max, precision, count, maxTicks, maxDigits, includeBounds} = generationOptions;
+  const unit = step || 1;
+  const maxSpaces = maxTicks - 1;
+  const {min: rmin, max: rmax} = dataRange;
+  const minDefined = !isNullOrUndef(min);
+  const maxDefined = !isNullOrUndef(max);
+  const countDefined = !isNullOrUndef(count);
+  const minSpacing = (rmax - rmin) / (maxDigits + 1);
+  let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit;
+  let factor, niceMin, niceMax, numSpaces;
+  if (spacing < MIN_SPACING && !minDefined && !maxDefined) {
+    return [{value: rmin}, {value: rmax}];
+  }
+  numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);
+  if (numSpaces > maxSpaces) {
+    spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit;
+  }
+  if (!isNullOrUndef(precision)) {
+    factor = Math.pow(10, precision);
+    spacing = Math.ceil(spacing * factor) / factor;
+  }
+  if (bounds === 'ticks') {
+    niceMin = Math.floor(rmin / spacing) * spacing;
+    niceMax = Math.ceil(rmax / spacing) * spacing;
+  } else {
+    niceMin = rmin;
+    niceMax = rmax;
+  }
+  if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) {
+    numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks));
+    spacing = (max - min) / numSpaces;
+    niceMin = min;
+    niceMax = max;
+  } else if (countDefined) {
+    niceMin = minDefined ? min : niceMin;
+    niceMax = maxDefined ? max : niceMax;
+    numSpaces = count - 1;
+    spacing = (niceMax - niceMin) / numSpaces;
+  } else {
+    numSpaces = (niceMax - niceMin) / spacing;
+    if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {
+      numSpaces = Math.round(numSpaces);
+    } else {
+      numSpaces = Math.ceil(numSpaces);
+    }
+  }
+  const decimalPlaces = Math.max(
+    _decimalPlaces(spacing),
+    _decimalPlaces(niceMin)
+  );
+  factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision);
+  niceMin = Math.round(niceMin * factor) / factor;
+  niceMax = Math.round(niceMax * factor) / factor;
+  let j = 0;
+  if (minDefined) {
+    if (includeBounds && niceMin !== min) {
+      ticks.push({value: min});
+      if (niceMin < min) {
+        j++;
+      }
+      if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) {
+        j++;
+      }
+    } else if (niceMin < min) {
+      j++;
+    }
+  }
+  for (; j < numSpaces; ++j) {
+    ticks.push({value: Math.round((niceMin + j * spacing) * factor) / factor});
+  }
+  if (maxDefined && includeBounds && niceMax !== max) {
+    if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) {
+      ticks[ticks.length - 1].value = max;
+    } else {
+      ticks.push({value: max});
+    }
+  } else if (!maxDefined || niceMax === max) {
+    ticks.push({value: niceMax});
+  }
+  return ticks;
+}
+function relativeLabelSize(value, minSpacing, {horizontal, minRotation}) {
+  const rad = toRadians(minRotation);
+  const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001;
+  const length = 0.75 * minSpacing * ('' + value).length;
+  return Math.min(minSpacing / ratio, length);
+}
+class LinearScaleBase extends Scale {
+  constructor(cfg) {
+    super(cfg);
+    this.start = undefined;
+    this.end = undefined;
+    this._startValue = undefined;
+    this._endValue = undefined;
+    this._valueRange = 0;
+  }
+  parse(raw, index) {
+    if (isNullOrUndef(raw)) {
+      return null;
+    }
+    if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) {
+      return null;
+    }
+    return +raw;
+  }
+  handleTickRangeOptions() {
+    const {beginAtZero} = this.options;
+    const {minDefined, maxDefined} = this.getUserBounds();
+    let {min, max} = this;
+    const setMin = v => (min = minDefined ? min : v);
+    const setMax = v => (max = maxDefined ? max : v);
+    if (beginAtZero) {
+      const minSign = sign(min);
+      const maxSign = sign(max);
+      if (minSign < 0 && maxSign < 0) {
+        setMax(0);
+      } else if (minSign > 0 && maxSign > 0) {
+        setMin(0);
+      }
+    }
+    if (min === max) {
+      let offset = 1;
+      if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) {
+        offset = Math.abs(max * 0.05);
+      }
+      setMax(max + offset);
+      if (!beginAtZero) {
+        setMin(min - offset);
+      }
+    }
+    this.min = min;
+    this.max = max;
+  }
+  getTickLimit() {
+    const tickOpts = this.options.ticks;
+    let {maxTicksLimit, stepSize} = tickOpts;
+    let maxTicks;
+    if (stepSize) {
+      maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1;
+      if (maxTicks > 1000) {
+        console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`);
+        maxTicks = 1000;
+      }
+    } else {
+      maxTicks = this.computeTickLimit();
+      maxTicksLimit = maxTicksLimit || 11;
+    }
+    if (maxTicksLimit) {
+      maxTicks = Math.min(maxTicksLimit, maxTicks);
+    }
+    return maxTicks;
+  }
+  computeTickLimit() {
+    return Number.POSITIVE_INFINITY;
+  }
+  buildTicks() {
+    const opts = this.options;
+    const tickOpts = opts.ticks;
+    let maxTicks = this.getTickLimit();
+    maxTicks = Math.max(2, maxTicks);
+    const numericGeneratorOptions = {
+      maxTicks,
+      bounds: opts.bounds,
+      min: opts.min,
+      max: opts.max,
+      precision: tickOpts.precision,
+      step: tickOpts.stepSize,
+      count: tickOpts.count,
+      maxDigits: this._maxDigits(),
+      horizontal: this.isHorizontal(),
+      minRotation: tickOpts.minRotation || 0,
+      includeBounds: tickOpts.includeBounds !== false
+    };
+    const dataRange = this._range || this;
+    const ticks = generateTicks$1(numericGeneratorOptions, dataRange);
+    if (opts.bounds === 'ticks') {
+      _setMinAndMaxByKey(ticks, this, 'value');
+    }
+    if (opts.reverse) {
+      ticks.reverse();
+      this.start = this.max;
+      this.end = this.min;
+    } else {
+      this.start = this.min;
+      this.end = this.max;
+    }
+    return ticks;
+  }
+  configure() {
+    const ticks = this.ticks;
+    let start = this.min;
+    let end = this.max;
+    super.configure();
+    if (this.options.offset && ticks.length) {
+      const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2;
+      start -= offset;
+      end += offset;
+    }
+    this._startValue = start;
+    this._endValue = end;
+    this._valueRange = end - start;
+  }
+  getLabelForValue(value) {
+    return formatNumber(value, this.chart.options.locale, this.options.ticks.format);
+  }
+}
+
+class LinearScale extends LinearScaleBase {
+  determineDataLimits() {
+    const {min, max} = this.getMinMax(true);
+    this.min = isNumberFinite(min) ? min : 0;
+    this.max = isNumberFinite(max) ? max : 1;
+    this.handleTickRangeOptions();
+  }
+  computeTickLimit() {
+    const horizontal = this.isHorizontal();
+    const length = horizontal ? this.width : this.height;
+    const minRotation = toRadians(this.options.ticks.minRotation);
+    const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001;
+    const tickFont = this._resolveTickFontOptions(0);
+    return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio));
+  }
+  getPixelForValue(value) {
+    return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);
+  }
+  getValueForPixel(pixel) {
+    return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;
+  }
+}
+LinearScale.id = 'linear';
+LinearScale.defaults = {
+  ticks: {
+    callback: Ticks.formatters.numeric
+  }
+};
+
+function isMajor(tickVal) {
+  const remain = tickVal / (Math.pow(10, Math.floor(log10(tickVal))));
+  return remain === 1;
+}
+function generateTicks(generationOptions, dataRange) {
+  const endExp = Math.floor(log10(dataRange.max));
+  const endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));
+  const ticks = [];
+  let tickVal = finiteOrDefault(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min))));
+  let exp = Math.floor(log10(tickVal));
+  let significand = Math.floor(tickVal / Math.pow(10, exp));
+  let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;
+  do {
+    ticks.push({value: tickVal, major: isMajor(tickVal)});
+    ++significand;
+    if (significand === 10) {
+      significand = 1;
+      ++exp;
+      precision = exp >= 0 ? 1 : precision;
+    }
+    tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision;
+  } while (exp < endExp || (exp === endExp && significand < endSignificand));
+  const lastTick = finiteOrDefault(generationOptions.max, tickVal);
+  ticks.push({value: lastTick, major: isMajor(tickVal)});
+  return ticks;
+}
+class LogarithmicScale extends Scale {
+  constructor(cfg) {
+    super(cfg);
+    this.start = undefined;
+    this.end = undefined;
+    this._startValue = undefined;
+    this._valueRange = 0;
+  }
+  parse(raw, index) {
+    const value = LinearScaleBase.prototype.parse.apply(this, [raw, index]);
+    if (value === 0) {
+      this._zero = true;
+      return undefined;
+    }
+    return isNumberFinite(value) && value > 0 ? value : null;
+  }
+  determineDataLimits() {
+    const {min, max} = this.getMinMax(true);
+    this.min = isNumberFinite(min) ? Math.max(0, min) : null;
+    this.max = isNumberFinite(max) ? Math.max(0, max) : null;
+    if (this.options.beginAtZero) {
+      this._zero = true;
+    }
+    this.handleTickRangeOptions();
+  }
+  handleTickRangeOptions() {
+    const {minDefined, maxDefined} = this.getUserBounds();
+    let min = this.min;
+    let max = this.max;
+    const setMin = v => (min = minDefined ? min : v);
+    const setMax = v => (max = maxDefined ? max : v);
+    const exp = (v, m) => Math.pow(10, Math.floor(log10(v)) + m);
+    if (min === max) {
+      if (min <= 0) {
+        setMin(1);
+        setMax(10);
+      } else {
+        setMin(exp(min, -1));
+        setMax(exp(max, +1));
+      }
+    }
+    if (min <= 0) {
+      setMin(exp(max, -1));
+    }
+    if (max <= 0) {
+      setMax(exp(min, +1));
+    }
+    if (this._zero && this.min !== this._suggestedMin && min === exp(this.min, 0)) {
+      setMin(exp(min, -1));
+    }
+    this.min = min;
+    this.max = max;
+  }
+  buildTicks() {
+    const opts = this.options;
+    const generationOptions = {
+      min: this._userMin,
+      max: this._userMax
+    };
+    const ticks = generateTicks(generationOptions, this);
+    if (opts.bounds === 'ticks') {
+      _setMinAndMaxByKey(ticks, this, 'value');
+    }
+    if (opts.reverse) {
+      ticks.reverse();
+      this.start = this.max;
+      this.end = this.min;
+    } else {
+      this.start = this.min;
+      this.end = this.max;
+    }
+    return ticks;
+  }
+  getLabelForValue(value) {
+    return value === undefined
+      ? '0'
+      : formatNumber(value, this.chart.options.locale, this.options.ticks.format);
+  }
+  configure() {
+    const start = this.min;
+    super.configure();
+    this._startValue = log10(start);
+    this._valueRange = log10(this.max) - log10(start);
+  }
+  getPixelForValue(value) {
+    if (value === undefined || value === 0) {
+      value = this.min;
+    }
+    if (value === null || isNaN(value)) {
+      return NaN;
+    }
+    return this.getPixelForDecimal(value === this.min
+      ? 0
+      : (log10(value) - this._startValue) / this._valueRange);
+  }
+  getValueForPixel(pixel) {
+    const decimal = this.getDecimalForPixel(pixel);
+    return Math.pow(10, this._startValue + decimal * this._valueRange);
+  }
+}
+LogarithmicScale.id = 'logarithmic';
+LogarithmicScale.defaults = {
+  ticks: {
+    callback: Ticks.formatters.logarithmic,
+    major: {
+      enabled: true
+    }
+  }
+};
+
+function getTickBackdropHeight(opts) {
+  const tickOpts = opts.ticks;
+  if (tickOpts.display && opts.display) {
+    const padding = toPadding(tickOpts.backdropPadding);
+    return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height;
+  }
+  return 0;
+}
+function measureLabelSize(ctx, font, label) {
+  label = isArray(label) ? label : [label];
+  return {
+    w: _longestText(ctx, font.string, label),
+    h: label.length * font.lineHeight
+  };
+}
+function determineLimits(angle, pos, size, min, max) {
+  if (angle === min || angle === max) {
+    return {
+      start: pos - (size / 2),
+      end: pos + (size / 2)
+    };
+  } else if (angle < min || angle > max) {
+    return {
+      start: pos - size,
+      end: pos
+    };
+  }
+  return {
+    start: pos,
+    end: pos + size
+  };
+}
+function fitWithPointLabels(scale) {
+  const orig = {
+    l: scale.left + scale._padding.left,
+    r: scale.right - scale._padding.right,
+    t: scale.top + scale._padding.top,
+    b: scale.bottom - scale._padding.bottom
+  };
+  const limits = Object.assign({}, orig);
+  const labelSizes = [];
+  const padding = [];
+  const valueCount = scale._pointLabels.length;
+  const pointLabelOpts = scale.options.pointLabels;
+  const additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0;
+  for (let i = 0; i < valueCount; i++) {
+    const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i));
+    padding[i] = opts.padding;
+    const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle);
+    const plFont = toFont(opts.font);
+    const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]);
+    labelSizes[i] = textSize;
+    const angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle);
+    const angle = Math.round(toDegrees(angleRadians));
+    const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);
+    const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);
+    updateLimits(limits, orig, angleRadians, hLimits, vLimits);
+  }
+  scale.setCenterPoint(
+    orig.l - limits.l,
+    limits.r - orig.r,
+    orig.t - limits.t,
+    limits.b - orig.b
+  );
+  scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding);
+}
+function updateLimits(limits, orig, angle, hLimits, vLimits) {
+  const sin = Math.abs(Math.sin(angle));
+  const cos = Math.abs(Math.cos(angle));
+  let x = 0;
+  let y = 0;
+  if (hLimits.start < orig.l) {
+    x = (orig.l - hLimits.start) / sin;
+    limits.l = Math.min(limits.l, orig.l - x);
+  } else if (hLimits.end > orig.r) {
+    x = (hLimits.end - orig.r) / sin;
+    limits.r = Math.max(limits.r, orig.r + x);
+  }
+  if (vLimits.start < orig.t) {
+    y = (orig.t - vLimits.start) / cos;
+    limits.t = Math.min(limits.t, orig.t - y);
+  } else if (vLimits.end > orig.b) {
+    y = (vLimits.end - orig.b) / cos;
+    limits.b = Math.max(limits.b, orig.b + y);
+  }
+}
+function buildPointLabelItems(scale, labelSizes, padding) {
+  const items = [];
+  const valueCount = scale._pointLabels.length;
+  const opts = scale.options;
+  const extra = getTickBackdropHeight(opts) / 2;
+  const outerDistance = scale.drawingArea;
+  const additionalAngle = opts.pointLabels.centerPointLabels ? PI / valueCount : 0;
+  for (let i = 0; i < valueCount; i++) {
+    const pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + padding[i], additionalAngle);
+    const angle = Math.round(toDegrees(_normalizeAngle(pointLabelPosition.angle + HALF_PI)));
+    const size = labelSizes[i];
+    const y = yForAngle(pointLabelPosition.y, size.h, angle);
+    const textAlign = getTextAlignForAngle(angle);
+    const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign);
+    items.push({
+      x: pointLabelPosition.x,
+      y,
+      textAlign,
+      left,
+      top: y,
+      right: left + size.w,
+      bottom: y + size.h
+    });
+  }
+  return items;
+}
+function getTextAlignForAngle(angle) {
+  if (angle === 0 || angle === 180) {
+    return 'center';
+  } else if (angle < 180) {
+    return 'left';
+  }
+  return 'right';
+}
+function leftForTextAlign(x, w, align) {
+  if (align === 'right') {
+    x -= w;
+  } else if (align === 'center') {
+    x -= (w / 2);
+  }
+  return x;
+}
+function yForAngle(y, h, angle) {
+  if (angle === 90 || angle === 270) {
+    y -= (h / 2);
+  } else if (angle > 270 || angle < 90) {
+    y -= h;
+  }
+  return y;
+}
+function drawPointLabels(scale, labelCount) {
+  const {ctx, options: {pointLabels}} = scale;
+  for (let i = labelCount - 1; i >= 0; i--) {
+    const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i));
+    const plFont = toFont(optsAtIndex.font);
+    const {x, y, textAlign, left, top, right, bottom} = scale._pointLabelItems[i];
+    const {backdropColor} = optsAtIndex;
+    if (!isNullOrUndef(backdropColor)) {
+      const padding = toPadding(optsAtIndex.backdropPadding);
+      ctx.fillStyle = backdropColor;
+      ctx.fillRect(left - padding.left, top - padding.top, right - left + padding.width, bottom - top + padding.height);
+    }
+    renderText(
+      ctx,
+      scale._pointLabels[i],
+      x,
+      y + (plFont.lineHeight / 2),
+      plFont,
+      {
+        color: optsAtIndex.color,
+        textAlign: textAlign,
+        textBaseline: 'middle'
+      }
+    );
+  }
+}
+function pathRadiusLine(scale, radius, circular, labelCount) {
+  const {ctx} = scale;
+  if (circular) {
+    ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU);
+  } else {
+    let pointPosition = scale.getPointPosition(0, radius);
+    ctx.moveTo(pointPosition.x, pointPosition.y);
+    for (let i = 1; i < labelCount; i++) {
+      pointPosition = scale.getPointPosition(i, radius);
+      ctx.lineTo(pointPosition.x, pointPosition.y);
+    }
+  }
+}
+function drawRadiusLine(scale, gridLineOpts, radius, labelCount) {
+  const ctx = scale.ctx;
+  const circular = gridLineOpts.circular;
+  const {color, lineWidth} = gridLineOpts;
+  if ((!circular && !labelCount) || !color || !lineWidth || radius < 0) {
+    return;
+  }
+  ctx.save();
+  ctx.strokeStyle = color;
+  ctx.lineWidth = lineWidth;
+  ctx.setLineDash(gridLineOpts.borderDash);
+  ctx.lineDashOffset = gridLineOpts.borderDashOffset;
+  ctx.beginPath();
+  pathRadiusLine(scale, radius, circular, labelCount);
+  ctx.closePath();
+  ctx.stroke();
+  ctx.restore();
+}
+function createPointLabelContext(parent, index, label) {
+  return createContext(parent, {
+    label,
+    index,
+    type: 'pointLabel'
+  });
+}
+class RadialLinearScale extends LinearScaleBase {
+  constructor(cfg) {
+    super(cfg);
+    this.xCenter = undefined;
+    this.yCenter = undefined;
+    this.drawingArea = undefined;
+    this._pointLabels = [];
+    this._pointLabelItems = [];
+  }
+  setDimensions() {
+    const padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2);
+    const w = this.width = this.maxWidth - padding.width;
+    const h = this.height = this.maxHeight - padding.height;
+    this.xCenter = Math.floor(this.left + w / 2 + padding.left);
+    this.yCenter = Math.floor(this.top + h / 2 + padding.top);
+    this.drawingArea = Math.floor(Math.min(w, h) / 2);
+  }
+  determineDataLimits() {
+    const {min, max} = this.getMinMax(false);
+    this.min = isNumberFinite(min) && !isNaN(min) ? min : 0;
+    this.max = isNumberFinite(max) && !isNaN(max) ? max : 0;
+    this.handleTickRangeOptions();
+  }
+  computeTickLimit() {
+    return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options));
+  }
+  generateTickLabels(ticks) {
+    LinearScaleBase.prototype.generateTickLabels.call(this, ticks);
+    this._pointLabels = this.getLabels()
+      .map((value, index) => {
+        const label = callback(this.options.pointLabels.callback, [value, index], this);
+        return label || label === 0 ? label : '';
+      })
+      .filter((v, i) => this.chart.getDataVisibility(i));
+  }
+  fit() {
+    const opts = this.options;
+    if (opts.display && opts.pointLabels.display) {
+      fitWithPointLabels(this);
+    } else {
+      this.setCenterPoint(0, 0, 0, 0);
+    }
+  }
+  setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) {
+    this.xCenter += Math.floor((leftMovement - rightMovement) / 2);
+    this.yCenter += Math.floor((topMovement - bottomMovement) / 2);
+    this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement));
+  }
+  getIndexAngle(index) {
+    const angleMultiplier = TAU / (this._pointLabels.length || 1);
+    const startAngle = this.options.startAngle || 0;
+    return _normalizeAngle(index * angleMultiplier + toRadians(startAngle));
+  }
+  getDistanceFromCenterForValue(value) {
+    if (isNullOrUndef(value)) {
+      return NaN;
+    }
+    const scalingFactor = this.drawingArea / (this.max - this.min);
+    if (this.options.reverse) {
+      return (this.max - value) * scalingFactor;
+    }
+    return (value - this.min) * scalingFactor;
+  }
+  getValueForDistanceFromCenter(distance) {
+    if (isNullOrUndef(distance)) {
+      return NaN;
+    }
+    const scaledDistance = distance / (this.drawingArea / (this.max - this.min));
+    return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance;
+  }
+  getPointLabelContext(index) {
+    const pointLabels = this._pointLabels || [];
+    if (index >= 0 && index < pointLabels.length) {
+      const pointLabel = pointLabels[index];
+      return createPointLabelContext(this.getContext(), index, pointLabel);
+    }
+  }
+  getPointPosition(index, distanceFromCenter, additionalAngle = 0) {
+    const angle = this.getIndexAngle(index) - HALF_PI + additionalAngle;
+    return {
+      x: Math.cos(angle) * distanceFromCenter + this.xCenter,
+      y: Math.sin(angle) * distanceFromCenter + this.yCenter,
+      angle
+    };
+  }
+  getPointPositionForValue(index, value) {
+    return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));
+  }
+  getBasePosition(index) {
+    return this.getPointPositionForValue(index || 0, this.getBaseValue());
+  }
+  getPointLabelPosition(index) {
+    const {left, top, right, bottom} = this._pointLabelItems[index];
+    return {
+      left,
+      top,
+      right,
+      bottom,
+    };
+  }
+  drawBackground() {
+    const {backgroundColor, grid: {circular}} = this.options;
+    if (backgroundColor) {
+      const ctx = this.ctx;
+      ctx.save();
+      ctx.beginPath();
+      pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length);
+      ctx.closePath();
+      ctx.fillStyle = backgroundColor;
+      ctx.fill();
+      ctx.restore();
+    }
+  }
+  drawGrid() {
+    const ctx = this.ctx;
+    const opts = this.options;
+    const {angleLines, grid} = opts;
+    const labelCount = this._pointLabels.length;
+    let i, offset, position;
+    if (opts.pointLabels.display) {
+      drawPointLabels(this, labelCount);
+    }
+    if (grid.display) {
+      this.ticks.forEach((tick, index) => {
+        if (index !== 0) {
+          offset = this.getDistanceFromCenterForValue(tick.value);
+          const optsAtIndex = grid.setContext(this.getContext(index - 1));
+          drawRadiusLine(this, optsAtIndex, offset, labelCount);
+        }
+      });
+    }
+    if (angleLines.display) {
+      ctx.save();
+      for (i = labelCount - 1; i >= 0; i--) {
+        const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i));
+        const {color, lineWidth} = optsAtIndex;
+        if (!lineWidth || !color) {
+          continue;
+        }
+        ctx.lineWidth = lineWidth;
+        ctx.strokeStyle = color;
+        ctx.setLineDash(optsAtIndex.borderDash);
+        ctx.lineDashOffset = optsAtIndex.borderDashOffset;
+        offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max);
+        position = this.getPointPosition(i, offset);
+        ctx.beginPath();
+        ctx.moveTo(this.xCenter, this.yCenter);
+        ctx.lineTo(position.x, position.y);
+        ctx.stroke();
+      }
+      ctx.restore();
+    }
+  }
+  drawBorder() {}
+  drawLabels() {
+    const ctx = this.ctx;
+    const opts = this.options;
+    const tickOpts = opts.ticks;
+    if (!tickOpts.display) {
+      return;
+    }
+    const startAngle = this.getIndexAngle(0);
+    let offset, width;
+    ctx.save();
+    ctx.translate(this.xCenter, this.yCenter);
+    ctx.rotate(startAngle);
+    ctx.textAlign = 'center';
+    ctx.textBaseline = 'middle';
+    this.ticks.forEach((tick, index) => {
+      if (index === 0 && !opts.reverse) {
+        return;
+      }
+      const optsAtIndex = tickOpts.setContext(this.getContext(index));
+      const tickFont = toFont(optsAtIndex.font);
+      offset = this.getDistanceFromCenterForValue(this.ticks[index].value);
+      if (optsAtIndex.showLabelBackdrop) {
+        ctx.font = tickFont.string;
+        width = ctx.measureText(tick.label).width;
+        ctx.fillStyle = optsAtIndex.backdropColor;
+        const padding = toPadding(optsAtIndex.backdropPadding);
+        ctx.fillRect(
+          -width / 2 - padding.left,
+          -offset - tickFont.size / 2 - padding.top,
+          width + padding.width,
+          tickFont.size + padding.height
+        );
+      }
+      renderText(ctx, tick.label, 0, -offset, tickFont, {
+        color: optsAtIndex.color,
+      });
+    });
+    ctx.restore();
+  }
+  drawTitle() {}
+}
+RadialLinearScale.id = 'radialLinear';
+RadialLinearScale.defaults = {
+  display: true,
+  animate: true,
+  position: 'chartArea',
+  angleLines: {
+    display: true,
+    lineWidth: 1,
+    borderDash: [],
+    borderDashOffset: 0.0
+  },
+  grid: {
+    circular: false
+  },
+  startAngle: 0,
+  ticks: {
+    showLabelBackdrop: true,
+    callback: Ticks.formatters.numeric
+  },
+  pointLabels: {
+    backdropColor: undefined,
+    backdropPadding: 2,
+    display: true,
+    font: {
+      size: 10
+    },
+    callback(label) {
+      return label;
+    },
+    padding: 5,
+    centerPointLabels: false
+  }
+};
+RadialLinearScale.defaultRoutes = {
+  'angleLines.color': 'borderColor',
+  'pointLabels.color': 'color',
+  'ticks.color': 'color'
+};
+RadialLinearScale.descriptors = {
+  angleLines: {
+    _fallback: 'grid'
+  }
+};
+
+const INTERVALS = {
+  millisecond: {common: true, size: 1, steps: 1000},
+  second: {common: true, size: 1000, steps: 60},
+  minute: {common: true, size: 60000, steps: 60},
+  hour: {common: true, size: 3600000, steps: 24},
+  day: {common: true, size: 86400000, steps: 30},
+  week: {common: false, size: 604800000, steps: 4},
+  month: {common: true, size: 2.628e9, steps: 12},
+  quarter: {common: false, size: 7.884e9, steps: 4},
+  year: {common: true, size: 3.154e10}
+};
+const UNITS = (Object.keys(INTERVALS));
+function sorter(a, b) {
+  return a - b;
+}
+function parse(scale, input) {
+  if (isNullOrUndef(input)) {
+    return null;
+  }
+  const adapter = scale._adapter;
+  const {parser, round, isoWeekday} = scale._parseOpts;
+  let value = input;
+  if (typeof parser === 'function') {
+    value = parser(value);
+  }
+  if (!isNumberFinite(value)) {
+    value = typeof parser === 'string'
+      ? adapter.parse(value, parser)
+      : adapter.parse(value);
+  }
+  if (value === null) {
+    return null;
+  }
+  if (round) {
+    value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true)
+      ? adapter.startOf(value, 'isoWeek', isoWeekday)
+      : adapter.startOf(value, round);
+  }
+  return +value;
+}
+function determineUnitForAutoTicks(minUnit, min, max, capacity) {
+  const ilen = UNITS.length;
+  for (let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {
+    const interval = INTERVALS[UNITS[i]];
+    const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER;
+    if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {
+      return UNITS[i];
+    }
+  }
+  return UNITS[ilen - 1];
+}
+function determineUnitForFormatting(scale, numTicks, minUnit, min, max) {
+  for (let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) {
+    const unit = UNITS[i];
+    if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) {
+      return unit;
+    }
+  }
+  return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];
+}
+function determineMajorUnit(unit) {
+  for (let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {
+    if (INTERVALS[UNITS[i]].common) {
+      return UNITS[i];
+    }
+  }
+}
+function addTick(ticks, time, timestamps) {
+  if (!timestamps) {
+    ticks[time] = true;
+  } else if (timestamps.length) {
+    const {lo, hi} = _lookup(timestamps, time);
+    const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi];
+    ticks[timestamp] = true;
+  }
+}
+function setMajorTicks(scale, ticks, map, majorUnit) {
+  const adapter = scale._adapter;
+  const first = +adapter.startOf(ticks[0].value, majorUnit);
+  const last = ticks[ticks.length - 1].value;
+  let major, index;
+  for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {
+    index = map[major];
+    if (index >= 0) {
+      ticks[index].major = true;
+    }
+  }
+  return ticks;
+}
+function ticksFromTimestamps(scale, values, majorUnit) {
+  const ticks = [];
+  const map = {};
+  const ilen = values.length;
+  let i, value;
+  for (i = 0; i < ilen; ++i) {
+    value = values[i];
+    map[value] = i;
+    ticks.push({
+      value,
+      major: false
+    });
+  }
+  return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit);
+}
+class TimeScale extends Scale {
+  constructor(props) {
+    super(props);
+    this._cache = {
+      data: [],
+      labels: [],
+      all: []
+    };
+    this._unit = 'day';
+    this._majorUnit = undefined;
+    this._offsets = {};
+    this._normalized = false;
+    this._parseOpts = undefined;
+  }
+  init(scaleOpts, opts) {
+    const time = scaleOpts.time || (scaleOpts.time = {});
+    const adapter = this._adapter = new _adapters._date(scaleOpts.adapters.date);
+    mergeIf(time.displayFormats, adapter.formats());
+    this._parseOpts = {
+      parser: time.parser,
+      round: time.round,
+      isoWeekday: time.isoWeekday
+    };
+    super.init(scaleOpts);
+    this._normalized = opts.normalized;
+  }
+  parse(raw, index) {
+    if (raw === undefined) {
+      return null;
+    }
+    return parse(this, raw);
+  }
+  beforeLayout() {
+    super.beforeLayout();
+    this._cache = {
+      data: [],
+      labels: [],
+      all: []
+    };
+  }
+  determineDataLimits() {
+    const options = this.options;
+    const adapter = this._adapter;
+    const unit = options.time.unit || 'day';
+    let {min, max, minDefined, maxDefined} = this.getUserBounds();
+    function _applyBounds(bounds) {
+      if (!minDefined && !isNaN(bounds.min)) {
+        min = Math.min(min, bounds.min);
+      }
+      if (!maxDefined && !isNaN(bounds.max)) {
+        max = Math.max(max, bounds.max);
+      }
+    }
+    if (!minDefined || !maxDefined) {
+      _applyBounds(this._getLabelBounds());
+      if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') {
+        _applyBounds(this.getMinMax(false));
+      }
+    }
+    min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit);
+    max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1;
+    this.min = Math.min(min, max - 1);
+    this.max = Math.max(min + 1, max);
+  }
+  _getLabelBounds() {
+    const arr = this.getLabelTimestamps();
+    let min = Number.POSITIVE_INFINITY;
+    let max = Number.NEGATIVE_INFINITY;
+    if (arr.length) {
+      min = arr[0];
+      max = arr[arr.length - 1];
+    }
+    return {min, max};
+  }
+  buildTicks() {
+    const options = this.options;
+    const timeOpts = options.time;
+    const tickOpts = options.ticks;
+    const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate();
+    if (options.bounds === 'ticks' && timestamps.length) {
+      this.min = this._userMin || timestamps[0];
+      this.max = this._userMax || timestamps[timestamps.length - 1];
+    }
+    const min = this.min;
+    const max = this.max;
+    const ticks = _filterBetween(timestamps, min, max);
+    this._unit = timeOpts.unit || (tickOpts.autoSkip
+      ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min))
+      : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max));
+    this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined
+      : determineMajorUnit(this._unit);
+    this.initOffsets(timestamps);
+    if (options.reverse) {
+      ticks.reverse();
+    }
+    return ticksFromTimestamps(this, ticks, this._majorUnit);
+  }
+  initOffsets(timestamps) {
+    let start = 0;
+    let end = 0;
+    let first, last;
+    if (this.options.offset && timestamps.length) {
+      first = this.getDecimalForValue(timestamps[0]);
+      if (timestamps.length === 1) {
+        start = 1 - first;
+      } else {
+        start = (this.getDecimalForValue(timestamps[1]) - first) / 2;
+      }
+      last = this.getDecimalForValue(timestamps[timestamps.length - 1]);
+      if (timestamps.length === 1) {
+        end = last;
+      } else {
+        end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2;
+      }
+    }
+    const limit = timestamps.length < 3 ? 0.5 : 0.25;
+    start = _limitValue(start, 0, limit);
+    end = _limitValue(end, 0, limit);
+    this._offsets = {start, end, factor: 1 / (start + 1 + end)};
+  }
+  _generate() {
+    const adapter = this._adapter;
+    const min = this.min;
+    const max = this.max;
+    const options = this.options;
+    const timeOpts = options.time;
+    const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min));
+    const stepSize = valueOrDefault(timeOpts.stepSize, 1);
+    const weekday = minor === 'week' ? timeOpts.isoWeekday : false;
+    const hasWeekday = isNumber(weekday) || weekday === true;
+    const ticks = {};
+    let first = min;
+    let time, count;
+    if (hasWeekday) {
+      first = +adapter.startOf(first, 'isoWeek', weekday);
+    }
+    first = +adapter.startOf(first, hasWeekday ? 'day' : minor);
+    if (adapter.diff(max, min, minor) > 100000 * stepSize) {
+      throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor);
+    }
+    const timestamps = options.ticks.source === 'data' && this.getDataTimestamps();
+    for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) {
+      addTick(ticks, time, timestamps);
+    }
+    if (time === max || options.bounds === 'ticks' || count === 1) {
+      addTick(ticks, time, timestamps);
+    }
+    return Object.keys(ticks).sort((a, b) => a - b).map(x => +x);
+  }
+  getLabelForValue(value) {
+    const adapter = this._adapter;
+    const timeOpts = this.options.time;
+    if (timeOpts.tooltipFormat) {
+      return adapter.format(value, timeOpts.tooltipFormat);
+    }
+    return adapter.format(value, timeOpts.displayFormats.datetime);
+  }
+  _tickFormatFunction(time, index, ticks, format) {
+    const options = this.options;
+    const formats = options.time.displayFormats;
+    const unit = this._unit;
+    const majorUnit = this._majorUnit;
+    const minorFormat = unit && formats[unit];
+    const majorFormat = majorUnit && formats[majorUnit];
+    const tick = ticks[index];
+    const major = majorUnit && majorFormat && tick && tick.major;
+    const label = this._adapter.format(time, format || (major ? majorFormat : minorFormat));
+    const formatter = options.ticks.callback;
+    return formatter ? callback(formatter, [label, index, ticks], this) : label;
+  }
+  generateTickLabels(ticks) {
+    let i, ilen, tick;
+    for (i = 0, ilen = ticks.length; i < ilen; ++i) {
+      tick = ticks[i];
+      tick.label = this._tickFormatFunction(tick.value, i, ticks);
+    }
+  }
+  getDecimalForValue(value) {
+    return value === null ? NaN : (value - this.min) / (this.max - this.min);
+  }
+  getPixelForValue(value) {
+    const offsets = this._offsets;
+    const pos = this.getDecimalForValue(value);
+    return this.getPixelForDecimal((offsets.start + pos) * offsets.factor);
+  }
+  getValueForPixel(pixel) {
+    const offsets = this._offsets;
+    const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end;
+    return this.min + pos * (this.max - this.min);
+  }
+  _getLabelSize(label) {
+    const ticksOpts = this.options.ticks;
+    const tickLabelWidth = this.ctx.measureText(label).width;
+    const angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation);
+    const cosRotation = Math.cos(angle);
+    const sinRotation = Math.sin(angle);
+    const tickFontSize = this._resolveTickFontOptions(0).size;
+    return {
+      w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation),
+      h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation)
+    };
+  }
+  _getLabelCapacity(exampleTime) {
+    const timeOpts = this.options.time;
+    const displayFormats = timeOpts.displayFormats;
+    const format = displayFormats[timeOpts.unit] || displayFormats.millisecond;
+    const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [exampleTime], this._majorUnit), format);
+    const size = this._getLabelSize(exampleLabel);
+    const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1;
+    return capacity > 0 ? capacity : 1;
+  }
+  getDataTimestamps() {
+    let timestamps = this._cache.data || [];
+    let i, ilen;
+    if (timestamps.length) {
+      return timestamps;
+    }
+    const metas = this.getMatchingVisibleMetas();
+    if (this._normalized && metas.length) {
+      return (this._cache.data = metas[0].controller.getAllParsedValues(this));
+    }
+    for (i = 0, ilen = metas.length; i < ilen; ++i) {
+      timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this));
+    }
+    return (this._cache.data = this.normalize(timestamps));
+  }
+  getLabelTimestamps() {
+    const timestamps = this._cache.labels || [];
+    let i, ilen;
+    if (timestamps.length) {
+      return timestamps;
+    }
+    const labels = this.getLabels();
+    for (i = 0, ilen = labels.length; i < ilen; ++i) {
+      timestamps.push(parse(this, labels[i]));
+    }
+    return (this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps));
+  }
+  normalize(values) {
+    return _arrayUnique(values.sort(sorter));
+  }
+}
+TimeScale.id = 'time';
+TimeScale.defaults = {
+  bounds: 'data',
+  adapters: {},
+  time: {
+    parser: false,
+    unit: false,
+    round: false,
+    isoWeekday: false,
+    minUnit: 'millisecond',
+    displayFormats: {}
+  },
+  ticks: {
+    source: 'auto',
+    major: {
+      enabled: false
+    }
+  }
+};
+
+function interpolate(table, val, reverse) {
+  let lo = 0;
+  let hi = table.length - 1;
+  let prevSource, nextSource, prevTarget, nextTarget;
+  if (reverse) {
+    if (val >= table[lo].pos && val <= table[hi].pos) {
+      ({lo, hi} = _lookupByKey(table, 'pos', val));
+    }
+    ({pos: prevSource, time: prevTarget} = table[lo]);
+    ({pos: nextSource, time: nextTarget} = table[hi]);
+  } else {
+    if (val >= table[lo].time && val <= table[hi].time) {
+      ({lo, hi} = _lookupByKey(table, 'time', val));
+    }
+    ({time: prevSource, pos: prevTarget} = table[lo]);
+    ({time: nextSource, pos: nextTarget} = table[hi]);
+  }
+  const span = nextSource - prevSource;
+  return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget;
+}
+class TimeSeriesScale extends TimeScale {
+  constructor(props) {
+    super(props);
+    this._table = [];
+    this._minPos = undefined;
+    this._tableRange = undefined;
+  }
+  initOffsets() {
+    const timestamps = this._getTimestampsForTable();
+    const table = this._table = this.buildLookupTable(timestamps);
+    this._minPos = interpolate(table, this.min);
+    this._tableRange = interpolate(table, this.max) - this._minPos;
+    super.initOffsets(timestamps);
+  }
+  buildLookupTable(timestamps) {
+    const {min, max} = this;
+    const items = [];
+    const table = [];
+    let i, ilen, prev, curr, next;
+    for (i = 0, ilen = timestamps.length; i < ilen; ++i) {
+      curr = timestamps[i];
+      if (curr >= min && curr <= max) {
+        items.push(curr);
+      }
+    }
+    if (items.length < 2) {
+      return [
+        {time: min, pos: 0},
+        {time: max, pos: 1}
+      ];
+    }
+    for (i = 0, ilen = items.length; i < ilen; ++i) {
+      next = items[i + 1];
+      prev = items[i - 1];
+      curr = items[i];
+      if (Math.round((next + prev) / 2) !== curr) {
+        table.push({time: curr, pos: i / (ilen - 1)});
+      }
+    }
+    return table;
+  }
+  _getTimestampsForTable() {
+    let timestamps = this._cache.all || [];
+    if (timestamps.length) {
+      return timestamps;
+    }
+    const data = this.getDataTimestamps();
+    const label = this.getLabelTimestamps();
+    if (data.length && label.length) {
+      timestamps = this.normalize(data.concat(label));
+    } else {
+      timestamps = data.length ? data : label;
+    }
+    timestamps = this._cache.all = timestamps;
+    return timestamps;
+  }
+  getDecimalForValue(value) {
+    return (interpolate(this._table, value) - this._minPos) / this._tableRange;
+  }
+  getValueForPixel(pixel) {
+    const offsets = this._offsets;
+    const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end;
+    return interpolate(this._table, decimal * this._tableRange + this._minPos, true);
+  }
+}
+TimeSeriesScale.id = 'timeseries';
+TimeSeriesScale.defaults = TimeScale.defaults;
+
+var scales = /*#__PURE__*/Object.freeze({
+__proto__: null,
+CategoryScale: CategoryScale,
+LinearScale: LinearScale,
+LogarithmicScale: LogarithmicScale,
+RadialLinearScale: RadialLinearScale,
+TimeScale: TimeScale,
+TimeSeriesScale: TimeSeriesScale
+});
+
+Chart.register(controllers, scales, elements, plugins);
+Chart.helpers = {...helpers};
+Chart._adapters = _adapters;
+Chart.Animation = Animation;
+Chart.Animations = Animations;
+Chart.animator = animator;
+Chart.controllers = registry.controllers.items;
+Chart.DatasetController = DatasetController;
+Chart.Element = Element;
+Chart.elements = elements;
+Chart.Interaction = Interaction;
+Chart.layouts = layouts;
+Chart.platforms = platforms;
+Chart.Scale = Scale;
+Chart.Ticks = Ticks;
+Object.assign(Chart, controllers, scales, elements, plugins, platforms);
+Chart.Chart = Chart;
+if (typeof window !== 'undefined') {
+  window.Chart = Chart;
+}
+
+return Chart;
+
+}));
diff --git a/NEMO/apps/sensors/static/sensors/chart.min.js b/NEMO/apps/sensors/static/sensors/chart.min.js
new file mode 100644
index 00000000..2b3e9984
--- /dev/null
+++ b/NEMO/apps/sensors/static/sensors/chart.min.js
@@ -0,0 +1,13 @@
+/*!
+ * Chart.js v3.7.1
+ * https://www.chartjs.org
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t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!0)}_resyncElements(t){const e=this._data,i=this._cachedMeta.data;for(const[t,e,i]of this._syncList)this[t](e,i);this._syncList=[];const s=i.length,n=e.length,o=Math.min(n,s);o&&this.parse(0,o),n>s?this._insertElements(s,n-s,t):n<s&&this._removeElements(n,s-n)}_insertElements(t,e,i=!0){const s=this._cachedMeta,n=s.data,o=t+e;let a;const r=t=>{for(t.length+=e,a=t.length-1;a>=o;a--)t[a]=t[a-e]};for(r(n),a=t;a<o;++a)n[a]=new this.dataElementType;this._parsing&&r(s._parsed),this.parse(t,e),i&&this.updateElements(n,t,e,"reset")}updateElements(t,e,i,s){}_removeElements(t,e){const i=this._cachedMeta;if(this._parsing){const s=i._parsed.splice(t,e);i._stacked&&Ms(i,s)}i.data.splice(t,e)}_sync(t){if(this._parsing)this._syncList.push(t);else{const[e,i,s]=t;this[e](i,s)}this.chart._dataChanges.push([this.index,...t])}_onDataPush(){const 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s=this.chart.options.locale;let n,o=t;if(i.length>1){const e=Math.max(Math.abs(i[0].value),Math.abs(i[i.length-1].value));(e<1e-4||e>1e15)&&(n="scientific"),o=function(t,e){let i=e.length>3?e[2].value-e[1].value:e[1].value-e[0].value;Math.abs(i)>=1&&t!==Math.floor(t)&&(i=t-Math.floor(t));return i}(t,i)}const a=Dt(Math.abs(o)),r=Math.max(Math.min(-1*Math.floor(a),20),0),l={notation:n,minimumFractionDigits:r,maximumFractionDigits:r};return Object.assign(l,this.options.ticks.format),Ri(t,s,l)},logarithmic(t,e,i){if(0===t)return"0";const s=t/Math.pow(10,Math.floor(Dt(t)));return 1===s||2===s||5===s?Cs.numeric.call(this,t,e,i):""}};var Os={formatters:Cs};function As(t,e){const i=t.options.ticks,s=i.maxTicksLimit||function(t){const e=t.options.offset,i=t._tickSize(),s=t._length/i+(e?0:1),n=t._maxLength/i;return Math.floor(Math.min(s,n))}(t),n=i.major.enabled?function(t){const e=[];let i,s;for(i=0,s=t.length;i<s;i++)t[i].major&&e.push(i);return 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t.drawTicks?t.tickLength:0}function zs(t,e){if(!t.display)return 0;const i=He(t.font,e),s=Ne(t.padding);return(Y(t.text)?t.text.length:1)*i.lineHeight+s.height}function Fs(t,e,i){let n=s(t);return(i&&"right"!==e||!i&&"right"===e)&&(n=(t=>"left"===t?"right":"right"===t?"left":t)(n)),n}class Bs extends Ds{constructor(t){super(),this.id=t.id,this.type=t.type,this.options=void 0,this.ctx=t.ctx,this.chart=t.chart,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this._margins={left:0,right:0,top:0,bottom:0},this.maxWidth=void 0,this.maxHeight=void 0,this.paddingTop=void 0,this.paddingBottom=void 0,this.paddingLeft=void 0,this.paddingRight=void 0,this.axis=void 0,this.labelRotation=void 0,this.min=void 0,this.max=void 0,this._range=void 0,this.ticks=[],this._gridLineItems=null,this._labelItems=null,this._labelSizes=null,this._length=0,this._maxLength=0,this._longestTextCache={},this._startPixel=void 0,this._endPixel=void 0,this._reversePixels=!1,this._userMax=void 0,this._userMin=void 0,this._suggestedMax=void 0,this._suggestedMin=void 0,this._ticksLength=0,this._borderValue=0,this._cache={},this._dataLimitsCached=!1,this.$context=void 0}init(t){this.options=t.setContext(this.getContext()),this.axis=t.axis,this._userMin=this.parse(t.min),this._userMax=this.parse(t.max),this._suggestedMin=this.parse(t.suggestedMin),this._suggestedMax=this.parse(t.suggestedMax)}parse(t,e){return t}getUserBounds(){let{_userMin:t,_userMax:e,_suggestedMin:i,_suggestedMax:s}=this;return t=q(t,Number.POSITIVE_INFINITY),e=q(e,Number.NEGATIVE_INFINITY),i=q(i,Number.POSITIVE_INFINITY),s=q(s,Number.NEGATIVE_INFINITY),{min:q(t,i),max:q(e,s),minDefined:X(t),maxDefined:X(e)}}getMinMax(t){let e,{min:i,max:s,minDefined:n,maxDefined:o}=this.getUserBounds();if(n&&o)return{min:i,max:s};const a=this.getMatchingVisibleMetas();for(let r=0,l=a.length;r<l;++r)e=a[r].controller.getMinMax(this,t),n||(i=Math.min(i,e.min)),o||(s=Math.max(s,e.max));return i=o&&i>s?s:i,s=n&&i>s?i:s,{min:q(i,q(s,i)),max:q(s,q(i,s))}}getPadding(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}}getTicks(){return this.ticks}getLabels(){const t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]}beforeLayout(){this._cache={},this._dataLimitsCached=!1}beforeUpdate(){J(this.options.beforeUpdate,[this])}update(t,e,i){const{beginAtZero:s,grace:n,ticks:o}=this.options,a=o.sampleSize;this.beforeUpdate(),this.maxWidth=t,this.maxHeight=e,this._margins=i=Object.assign({left:0,right:0,top:0,bottom:0},i),this.ticks=null,this._labelSizes=null,this._gridLineItems=null,this._labelItems=null,this.beforeSetDimensions(),this.setDimensions(),this.afterSetDimensions(),this._maxLength=this.isHorizontal()?this.width+i.left+i.right:this.height+i.top+i.bottom,this._dataLimitsCached||(this.beforeDataLimits(),this.determineDataLimits(),this.afterDataLimits(),this._range=$e(this,n,s),this._dataLimitsCached=!0),this.beforeBuildTicks(),this.ticks=this.buildTicks()||[],this.afterBuildTicks();const r=a<this.ticks.length;this._convertTicksToLabels(r?Rs(this.ticks,a):this.ticks),this.configure(),this.beforeCalculateLabelRotation(),this.calculateLabelRotation(),this.afterCalculateLabelRotation(),o.display&&(o.autoSkip||"auto"===o.source)&&(this.ticks=As(this,this.ticks),this._labelSizes=null),r&&this._convertTicksToLabels(this.ticks),this.beforeFit(),this.fit(),this.afterFit(),this.afterUpdate()}configure(){let t,e,i=this.options.reverse;this.isHorizontal()?(t=this.left,e=this.right):(t=this.top,e=this.bottom,i=!i),this._startPixel=t,this._endPixel=e,this._reversePixels=i,this._length=e-t,this._alignToPixels=this.options.alignToPixels}afterUpdate(){J(this.options.afterUpdate,[this])}beforeSetDimensions(){J(this.options.beforeSetDimensions,[this])}setDimensions(){this.isHorizontal()?(this.width=this.maxWidth,this.left=0,this.right=this.width):(this.height=this.maxHeight,this.top=0,this.bottom=this.height),this.paddingLeft=0,this.paddingTop=0,this.paddingRight=0,this.paddingBottom=0}afterSetDimensions(){J(this.options.afterSetDimensions,[this])}_callHooks(t){this.chart.notifyPlugins(t,this.getContext()),J(this.options[t],[this])}beforeDataLimits(){this._callHooks("beforeDataLimits")}determineDataLimits(){}afterDataLimits(){this._callHooks("afterDataLimits")}beforeBuildTicks(){this._callHooks("beforeBuildTicks")}buildTicks(){return[]}afterBuildTicks(){this._callHooks("afterBuildTicks")}beforeTickToLabelConversion(){J(this.options.beforeTickToLabelConversion,[this])}generateTickLabels(t){const e=this.options.ticks;let i,s,n;for(i=0,s=t.length;i<s;i++)n=t[i],n.label=J(e.callback,[n.value,i,t],this)}afterTickToLabelConversion(){J(this.options.afterTickToLabelConversion,[this])}beforeCalculateLabelRotation(){J(this.options.beforeCalculateLabelRotation,[this])}calculateLabelRotation(){const t=this.options,e=t.ticks,i=this.ticks.length,s=e.minRotation||0,n=e.maxRotation;let o,a,r,l=s;if(!this._isVisible()||!e.display||s>=n||i<=1||!this.isHorizontal())return void(this.labelRotation=s);const h=this._getLabelSizes(),c=h.widest.width,d=h.highest.height,u=jt(this.chart.width-c,0,this.maxWidth);o=t.offset?this.maxWidth/i:u/(i-1),c+6>o&&(o=u/(i-(t.offset?.5:1)),a=this.maxHeight-Is(t.grid)-e.padding-zs(t.title,this.chart.options.font),r=Math.sqrt(c*c+d*d),l=zt(Math.min(Math.asin(jt((h.highest.height+6)/o,-1,1)),Math.asin(jt(a/r,-1,1))-Math.asin(jt(d/r,-1,1)))),l=Math.max(s,Math.min(n,l))),this.labelRotation=l}afterCalculateLabelRotation(){J(this.options.afterCalculateLabelRotation,[this])}beforeFit(){J(this.options.beforeFit,[this])}fit(){const t={width:0,height:0},{chart:e,options:{ticks:i,title:s,grid:n}}=this,o=this._isVisible(),a=this.isHorizontal();if(o){const o=zs(s,e.options.font);if(a?(t.width=this.maxWidth,t.height=Is(n)+o):(t.height=this.maxHeight,t.width=Is(n)+o),i.display&&this.ticks.length){const{first:e,last:s,widest:n,highest:o}=this._getLabelSizes(),r=2*i.padding,l=It(this.labelRotation),h=Math.cos(l),c=Math.sin(l);if(a){const e=i.mirror?0:c*n.width+h*o.height;t.height=Math.min(this.maxHeight,t.height+e+r)}else{const e=i.mirror?0:h*n.width+c*o.height;t.width=Math.min(this.maxWidth,t.width+e+r)}this._calculatePadding(e,s,c,h)}}this._handleMargins(),a?(this.width=this._length=e.width-this._margins.left-this._margins.right,this.height=t.height):(this.width=t.width,this.height=this._length=e.height-this._margins.top-this._margins.bottom)}_calculatePadding(t,e,i,s){const{ticks:{align:n,padding:o},position:a}=this.options,r=0!==this.labelRotation,l="top"!==a&&"x"===this.axis;if(this.isHorizontal()){const a=this.getPixelForTick(0)-this.left,h=this.right-this.getPixelForTick(this.ticks.length-1);let c=0,d=0;r?l?(c=s*t.width,d=i*e.height):(c=i*t.height,d=s*e.width):"start"===n?d=e.width:"end"===n?c=t.width:(c=t.width/2,d=e.width/2),this.paddingLeft=Math.max((c-a+o)*this.width/(this.width-a),0),this.paddingRight=Math.max((d-h+o)*this.width/(this.width-h),0)}else{let i=e.height/2,s=t.height/2;"start"===n?(i=0,s=t.height):"end"===n&&(i=e.height,s=0),this.paddingTop=i+o,this.paddingBottom=s+o}}_handleMargins(){this._margins&&(this._margins.left=Math.max(this.paddingLeft,this._margins.left),this._margins.top=Math.max(this.paddingTop,this._margins.top),this._margins.right=Math.max(this.paddingRight,this._margins.right),this._margins.bottom=Math.max(this.paddingBottom,this._margins.bottom))}afterFit(){J(this.options.afterFit,[this])}isHorizontal(){const{axis:t,position:e}=this.options;return"top"===e||"bottom"===e||"x"===t}isFullSize(){return this.options.fullSize}_convertTicksToLabels(t){let e,i;for(this.beforeTickToLabelConversion(),this.generateTickLabels(t),e=0,i=t.length;e<i;e++)$(t[e].label)&&(t.splice(e,1),i--,e--);this.afterTickToLabelConversion()}_getLabelSizes(){let t=this._labelSizes;if(!t){const e=this.options.ticks.sampleSize;let i=this.ticks;e<i.length&&(i=Rs(i,e)),this._labelSizes=t=this._computeLabelSizes(i,i.length)}return t}_computeLabelSizes(t,e){const{ctx:i,_longestTextCache:s}=this,n=[],o=[];let a,r,l,h,c,d,u,f,g,p,m,x=0,b=0;for(a=0;a<e;++a){if(h=t[a].label,c=this._resolveTickFontOptions(a),i.font=d=c.string,u=s[d]=s[d]||{data:{},gc:[]},f=c.lineHeight,g=p=0,$(h)||Y(h)){if(Y(h))for(r=0,l=h.length;r<l;++r)m=h[r],$(m)||Y(m)||(g=Xt(i,u.data,u.gc,g,m),p+=f)}else g=Xt(i,u.data,u.gc,g,h),p=f;n.push(g),o.push(p),x=Math.max(g,x),b=Math.max(p,b)}!function(t,e){Q(t,(t=>{const i=t.gc,s=i.length/2;let n;if(s>e){for(n=0;n<s;++n)delete t.data[i[n]];i.splice(0,s)}}))}(s,e);const _=n.indexOf(x),y=o.indexOf(b),v=t=>({width:n[t]||0,height:o[t]||0});return{first:v(0),last:v(e-1),widest:v(_),highest:v(y),widths:n,heights:o}}getLabelForValue(t){return t}getPixelForValue(t,e){return NaN}getValueForPixel(t){}getPixelForTick(t){const e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getPixelForDecimal(t){this._reversePixels&&(t=1-t);const e=this._startPixel+t*this._length;return $t(this._alignToPixels?Kt(this.chart,e,0):e)}getDecimalForPixel(t){const e=(t-this._startPixel)/this._length;return this._reversePixels?1-e:e}getBasePixel(){return this.getPixelForValue(this.getBaseValue())}getBaseValue(){const{min:t,max:e}=this;return t<0&&e<0?e:t>0&&e>0?t:0}getContext(t){const e=this.ticks||[];if(t>=0&&t<e.length){const i=e[t];return i.$context||(i.$context=function(t,e,i){return Ye(t,{tick:i,index:e,type:"tick"})}(this.getContext(),t,i))}return this.$context||(this.$context=Ye(this.chart.getContext(),{scale:this,type:"scale"}))}_tickSize(){const t=this.options.ticks,e=It(this.labelRotation),i=Math.abs(Math.cos(e)),s=Math.abs(Math.sin(e)),n=this._getLabelSizes(),o=t.autoSkipPadding||0,a=n?n.widest.width+o:0,r=n?n.highest.height+o:0;return this.isHorizontal()?r*i>a*s?a/i:r/s:r*s<a*i?r/i:a/s}_isVisible(){const t=this.options.display;return"auto"!==t?!!t:this.getMatchingVisibleMetas().length>0}_computeGridLineItems(t){const e=this.axis,i=this.chart,s=this.options,{grid:n,position:o}=s,a=n.offset,r=this.isHorizontal(),l=this.ticks.length+(a?1:0),h=Is(n),c=[],d=n.setContext(this.getContext()),u=d.drawBorder?d.borderWidth:0,f=u/2,g=function(t){return Kt(i,t,u)};let p,m,x,b,_,y,v,w,M,k,S,P;if("top"===o)p=g(this.bottom),y=this.bottom-h,w=p-f,k=g(t.top)+f,P=t.bottom;else if("bottom"===o)p=g(this.top),k=t.top,P=g(t.bottom)-f,y=p+f,w=this.top+h;else if("left"===o)p=g(this.right),_=this.right-h,v=p-f,M=g(t.left)+f,S=t.right;else if("right"===o)p=g(this.left),M=t.left,S=g(t.right)-f,_=p+f,v=this.left+h;else if("x"===e){if("center"===o)p=g((t.top+t.bottom)/2+.5);else if(U(o)){const t=Object.keys(o)[0],e=o[t];p=g(this.chart.scales[t].getPixelForValue(e))}k=t.top,P=t.bottom,y=p+f,w=y+h}else if("y"===e){if("center"===o)p=g((t.left+t.right)/2);else if(U(o)){const t=Object.keys(o)[0],e=o[t];p=g(this.chart.scales[t].getPixelForValue(e))}_=p-f,v=_-h,M=t.left,S=t.right}const D=K(s.ticks.maxTicksLimit,l),C=Math.max(1,Math.ceil(l/D));for(m=0;m<l;m+=C){const t=n.setContext(this.getContext(m)),e=t.lineWidth,s=t.color,o=n.borderDash||[],l=t.borderDashOffset,h=t.tickWidth,d=t.tickColor,u=t.tickBorderDash||[],f=t.tickBorderDashOffset;x=Es(this,m,a),void 0!==x&&(b=Kt(i,x,e),r?_=v=M=S=b:y=w=k=P=b,c.push({tx1:_,ty1:y,tx2:v,ty2:w,x1:M,y1:k,x2:S,y2:P,width:e,color:s,borderDash:o,borderDashOffset:l,tickWidth:h,tickColor:d,tickBorderDash:u,tickBorderDashOffset:f}))}return this._ticksLength=l,this._borderValue=p,c}_computeLabelItems(t){const e=this.axis,i=this.options,{position:s,ticks:n}=i,o=this.isHorizontal(),a=this.ticks,{align:r,crossAlign:l,padding:h,mirror:c}=n,d=Is(i.grid),u=d+h,f=c?-h:u,g=-It(this.labelRotation),p=[];let m,x,b,_,y,v,w,M,k,S,P,D,C="middle";if("top"===s)v=this.bottom-f,w=this._getXAxisLabelAlignment();else if("bottom"===s)v=this.top+f,w=this._getXAxisLabelAlignment();else if("left"===s){const t=this._getYAxisLabelAlignment(d);w=t.textAlign,y=t.x}else if("right"===s){const t=this._getYAxisLabelAlignment(d);w=t.textAlign,y=t.x}else if("x"===e){if("center"===s)v=(t.top+t.bottom)/2+u;else if(U(s)){const t=Object.keys(s)[0],e=s[t];v=this.chart.scales[t].getPixelForValue(e)+u}w=this._getXAxisLabelAlignment()}else if("y"===e){if("center"===s)y=(t.left+t.right)/2-u;else if(U(s)){const t=Object.keys(s)[0],e=s[t];y=this.chart.scales[t].getPixelForValue(e)}w=this._getYAxisLabelAlignment(d).textAlign}"y"===e&&("start"===r?C="top":"end"===r&&(C="bottom"));const O=this._getLabelSizes();for(m=0,x=a.length;m<x;++m){b=a[m],_=b.label;const t=n.setContext(this.getContext(m));M=this.getPixelForTick(m)+n.labelOffset,k=this._resolveTickFontOptions(m),S=k.lineHeight,P=Y(_)?_.length:1;const e=P/2,i=t.color,r=t.textStrokeColor,h=t.textStrokeWidth;let d;if(o?(y=M,D="top"===s?"near"===l||0!==g?-P*S+S/2:"center"===l?-O.highest.height/2-e*S+S:-O.highest.height+S/2:"near"===l||0!==g?S/2:"center"===l?O.highest.height/2-e*S:O.highest.height-P*S,c&&(D*=-1)):(v=M,D=(1-P)*S/2),t.showLabelBackdrop){const e=Ne(t.backdropPadding),i=O.heights[m],s=O.widths[m];let n=v+D-e.top,o=y-e.left;switch(C){case"middle":n-=i/2;break;case"bottom":n-=i}switch(w){case"center":o-=s/2;break;case"right":o-=s}d={left:o,top:n,width:s+e.width,height:i+e.height,color:t.backdropColor}}p.push({rotation:g,label:_,font:k,color:i,strokeColor:r,strokeWidth:h,textOffset:D,textAlign:w,textBaseline:C,translation:[y,v],backdrop:d})}return p}_getXAxisLabelAlignment(){const{position:t,ticks:e}=this.options;if(-It(this.labelRotation))return"top"===t?"left":"right";let i="center";return"start"===e.align?i="left":"end"===e.align&&(i="right"),i}_getYAxisLabelAlignment(t){const{position:e,ticks:{crossAlign:i,mirror:s,padding:n}}=this.options,o=t+n,a=this._getLabelSizes().widest.width;let r,l;return"left"===e?s?(l=this.right+n,"near"===i?r="left":"center"===i?(r="center",l+=a/2):(r="right",l+=a)):(l=this.right-o,"near"===i?r="right":"center"===i?(r="center",l-=a/2):(r="left",l=this.left)):"right"===e?s?(l=this.left+n,"near"===i?r="right":"center"===i?(r="center",l-=a/2):(r="left",l-=a)):(l=this.left+o,"near"===i?r="left":"center"===i?(r="center",l+=a/2):(r="right",l=this.right)):r="right",{textAlign:r,x:l}}_computeLabelArea(){if(this.options.ticks.mirror)return;const t=this.chart,e=this.options.position;return"left"===e||"right"===e?{top:0,left:this.left,bottom:t.height,right:this.right}:"top"===e||"bottom"===e?{top:this.top,left:0,bottom:this.bottom,right:t.width}:void 0}drawBackground(){const{ctx:t,options:{backgroundColor:e},left:i,top:s,width:n,height:o}=this;e&&(t.save(),t.fillStyle=e,t.fillRect(i,s,n,o),t.restore())}getLineWidthForValue(t){const e=this.options.grid;if(!this._isVisible()||!e.display)return 0;const i=this.ticks.findIndex((e=>e.value===t));if(i>=0){return e.setContext(this.getContext(i)).lineWidth}return 0}drawGrid(t){const e=this.options.grid,i=this.ctx,s=this._gridLineItems||(this._gridLineItems=this._computeGridLineItems(t));let n,o;const a=(t,e,s)=>{s.width&&s.color&&(i.save(),i.lineWidth=s.width,i.strokeStyle=s.color,i.setLineDash(s.borderDash||[]),i.lineDashOffset=s.borderDashOffset,i.beginPath(),i.moveTo(t.x,t.y),i.lineTo(e.x,e.y),i.stroke(),i.restore())};if(e.display)for(n=0,o=s.length;n<o;++n){const t=s[n];e.drawOnChartArea&&a({x:t.x1,y:t.y1},{x:t.x2,y:t.y2},t),e.drawTicks&&a({x:t.tx1,y:t.ty1},{x:t.tx2,y:t.ty2},{color:t.tickColor,width:t.tickWidth,borderDash:t.tickBorderDash,borderDashOffset:t.tickBorderDashOffset})}}drawBorder(){const{chart:t,ctx:e,options:{grid:i}}=this,s=i.setContext(this.getContext()),n=i.drawBorder?s.borderWidth:0;if(!n)return;const o=i.setContext(this.getContext(0)).lineWidth,a=this._borderValue;let r,l,h,c;this.isHorizontal()?(r=Kt(t,this.left,n)-n/2,l=Kt(t,this.right,o)+o/2,h=c=a):(h=Kt(t,this.top,n)-n/2,c=Kt(t,this.bottom,o)+o/2,r=l=a),e.save(),e.lineWidth=s.borderWidth,e.strokeStyle=s.borderColor,e.beginPath(),e.moveTo(r,h),e.lineTo(l,c),e.stroke(),e.restore()}drawLabels(t){if(!this.options.ticks.display)return;const e=this.ctx,i=this._computeLabelArea();i&&Qt(e,i);const s=this._labelItems||(this._labelItems=this._computeLabelItems(t));let n,o;for(n=0,o=s.length;n<o;++n){const t=s[n],i=t.font,o=t.label;t.backdrop&&(e.fillStyle=t.backdrop.color,e.fillRect(t.backdrop.left,t.backdrop.top,t.backdrop.width,t.backdrop.height)),se(e,o,0,t.textOffset,i,t)}i&&te(e)}drawTitle(){const{ctx:t,options:{position:e,title:i,reverse:s}}=this;if(!i.display)return;const o=He(i.font),a=Ne(i.padding),r=i.align;let l=o.lineHeight/2;"bottom"===e||"center"===e||U(e)?(l+=a.bottom,Y(i.text)&&(l+=o.lineHeight*(i.text.length-1))):l+=a.top;const{titleX:h,titleY:c,maxWidth:d,rotation:u}=function(t,e,i,s){const{top:o,left:a,bottom:r,right:l,chart:h}=t,{chartArea:c,scales:d}=h;let u,f,g,p=0;const m=r-o,x=l-a;if(t.isHorizontal()){if(f=n(s,a,l),U(i)){const t=Object.keys(i)[0],s=i[t];g=d[t].getPixelForValue(s)+m-e}else g="center"===i?(c.bottom+c.top)/2+m-e:Ls(t,i,e);u=l-a}else{if(U(i)){const t=Object.keys(i)[0],s=i[t];f=d[t].getPixelForValue(s)-x+e}else 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He(this.options.ticks.setContext(this.getContext(t)).font)}_maxDigits(){const t=this._resolveTickFontOptions(0).lineHeight;return(this.isHorizontal()?this.width:this.height)/t}}class Vs{constructor(t,e,i){this.type=t,this.scope=e,this.override=i,this.items=Object.create(null)}isForType(t){return Object.prototype.isPrototypeOf.call(this.type.prototype,t.prototype)}register(t){const e=Object.getPrototypeOf(t);let i;(function(t){return"id"in t&&"defaults"in t})(e)&&(i=this.register(e));const s=this.items,n=t.id,o=this.scope+"."+n;if(!n)throw new Error("class does not have id: "+t);return n in s||(s[n]=t,function(t,e,i){const s=nt(Object.create(null),[i?bt.get(i):{},bt.get(e),t.defaults]);bt.set(e,s),t.defaultRoutes&&function(t,e){Object.keys(e).forEach((i=>{const 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this._get(t,this.controllers,"controller")}getElement(t){return this._get(t,this.elements,"element")}getPlugin(t){return this._get(t,this.plugins,"plugin")}getScale(t){return this._get(t,this.scales,"scale")}removeControllers(...t){this._each("unregister",t,this.controllers)}removeElements(...t){this._each("unregister",t,this.elements)}removePlugins(...t){this._each("unregister",t,this.plugins)}removeScales(...t){this._each("unregister",t,this.scales)}_each(t,e,i){[...e].forEach((e=>{const s=i||this._getRegistryForType(e);i||s.isForType(e)||s===this.plugins&&e.id?this._exec(t,s,e):Q(e,(e=>{const s=i||this._getRegistryForType(e);this._exec(t,s,e)}))}))}_exec(t,e,i){const s=ht(t);J(i["before"+s],[],i),e[t](i),J(i["after"+s],[],i)}_getRegistryForType(t){for(let e=0;e<this._typedRegistries.length;e++){const i=this._typedRegistries[e];if(i.isForType(t))return i}return this.plugins}_get(t,e,i){const s=e.get(t);if(void 0===s)throw new Error('"'+t+'" is not a registered '+i+".");return s}};class Ns{constructor(){this._init=[]}notify(t,e,i,s){"beforeInit"===e&&(this._init=this._createDescriptors(t,!0),this._notify(this._init,t,"install"));const n=s?this._descriptors(t).filter(s):this._descriptors(t),o=this._notify(n,t,e,i);return"afterDestroy"===e&&(this._notify(n,t,"stop"),this._notify(this._init,t,"uninstall")),o}_notify(t,e,i,s){s=s||{};for(const n of t){const t=n.plugin;if(!1===J(t[i],[e,s,n.options],t)&&s.cancelable)return!1}return!0}invalidate(){$(this._cache)||(this._oldCache=this._cache,this._cache=void 0)}_descriptors(t){if(this._cache)return this._cache;const e=this._cache=this._createDescriptors(t);return this._notifyStateChanges(t),e}_createDescriptors(t,e){const i=t&&t.config,s=K(i.options&&i.options.plugins,{}),n=function(t){const e=[],i=Object.keys(Ws.plugins.items);for(let t=0;t<i.length;t++)e.push(Ws.getPlugin(i[t]));const s=t.plugins||[];for(let t=0;t<s.length;t++){const i=s[t];-1===e.indexOf(i)&&e.push(i)}return e}(i);return!1!==s||e?function(t,e,i,s){const n=[],o=t.getContext();for(let a=0;a<e.length;a++){const r=e[a],l=Hs(i[r.id],s);null!==l&&n.push({plugin:r,options:js(t.config,r,l,o)})}return n}(t,n,s,e):[]}_notifyStateChanges(t){const e=this._oldCache||[],i=this._cache,s=(t,e)=>t.filter((t=>!e.some((e=>t.plugin.id===e.plugin.id))));this._notify(s(e,i),t,"stop"),this._notify(s(i,e),t,"start")}}function Hs(t,e){return e||!1!==t?!0===t?{}:t:null}function js(t,e,i,s){const n=t.pluginScopeKeys(e),o=t.getOptionScopes(i,n);return t.createResolver(o,s,[""],{scriptable:!1,indexable:!1,allKeys:!0})}function $s(t,e){const i=bt.datasets[t]||{};return((e.datasets||{})[t]||{}).indexAxis||e.indexAxis||i.indexAxis||"x"}function Ys(t,e){return"x"===t||"y"===t?t:e.axis||("top"===(i=e.position)||"bottom"===i?"x":"left"===i||"right"===i?"y":void 0)||t.charAt(0).toLowerCase();var i}function Us(t){const e=t.options||(t.options={});e.plugins=K(e.plugins,{}),e.scales=function(t,e){const i=gt[t.type]||{scales:{}},s=e.scales||{},n=$s(t.type,e),o=Object.create(null),a=Object.create(null);return Object.keys(s).forEach((t=>{const e=s[t];if(!U(e))return console.error(`Invalid scale configuration for scale: ${t}`);if(e._proxy)return console.warn(`Ignoring resolver passed as options for scale: ${t}`);const r=Ys(t,e),l=function(t,e){return t===e?"_index_":"_value_"}(r,n),h=i.scales||{};o[r]=o[r]||t,a[t]=ot(Object.create(null),[{axis:r},e,h[r],h[l]])})),t.data.datasets.forEach((i=>{const n=i.type||t.type,r=i.indexAxis||$s(n,e),l=(gt[n]||{}).scales||{};Object.keys(l).forEach((t=>{const e=function(t,e){let i=t;return"_index_"===t?i=e:"_value_"===t&&(i="x"===e?"y":"x"),i}(t,r),n=i[e+"AxisID"]||o[e]||e;a[n]=a[n]||Object.create(null),ot(a[n],[{axis:e},s[n],l[t]])}))})),Object.keys(a).forEach((t=>{const e=a[t];ot(e,[bt.scales[e.type],bt.scale])})),a}(t,e)}function Xs(t){return(t=t||{}).datasets=t.datasets||[],t.labels=t.labels||[],t}const qs=new Map,Ks=new Set;function Gs(t,e){let i=qs.get(t);return i||(i=e(),qs.set(t,i),Ks.add(i)),i}const Zs=(t,e,i)=>{const s=lt(e,i);void 0!==s&&t.add(s)};class Js{constructor(t){this._config=function(t){return(t=t||{}).data=Xs(t.data),Us(t),t}(t),this._scopeCache=new Map,this._resolverCache=new Map}get platform(){return this._config.platform}get type(){return this._config.type}set type(t){this._config.type=t}get data(){return this._config.data}set data(t){this._config.data=Xs(t)}get options(){return this._config.options}set options(t){this._config.options=t}get plugins(){return this._config.plugins}update(){const t=this._config;this.clearCache(),Us(t)}clearCache(){this._scopeCache.clear(),this._resolverCache.clear()}datasetScopeKeys(t){return Gs(t,(()=>[[`datasets.${t}`,""]]))}datasetAnimationScopeKeys(t,e){return Gs(`${t}.transition.${e}`,(()=>[[`datasets.${t}.transitions.${e}`,`transitions.${e}`],[`datasets.${t}`,""]]))}datasetElementScopeKeys(t,e){return Gs(`${t}-${e}`,(()=>[[`datasets.${t}.elements.${e}`,`datasets.${t}`,`elements.${e}`,""]]))}pluginScopeKeys(t){const e=t.id;return Gs(`${this.type}-plugin-${e}`,(()=>[[`plugins.${e}`,...t.additionalOptionScopes||[]]]))}_cachedScopes(t,e){const i=this._scopeCache;let s=i.get(t);return s&&!e||(s=new Map,i.set(t,s)),s}getOptionScopes(t,e,i){const{options:s,type:n}=this,o=this._cachedScopes(t,i),a=o.get(e);if(a)return a;const r=new Set;e.forEach((e=>{t&&(r.add(t),e.forEach((e=>Zs(r,t,e)))),e.forEach((t=>Zs(r,s,t))),e.forEach((t=>Zs(r,gt[n]||{},t))),e.forEach((t=>Zs(r,bt,t))),e.forEach((t=>Zs(r,pt,t)))}));const l=Array.from(r);return 0===l.length&&l.push(Object.create(null)),Ks.has(e)&&o.set(e,l),l}chartOptionScopes(){const{options:t,type:e}=this;return[t,gt[e]||{},bt.datasets[e]||{},{type:e},bt,pt]}resolveNamedOptions(t,e,i,s=[""]){const n={$shared:!0},{resolver:o,subPrefixes:a}=Qs(this._resolverCache,t,s);let r=o;if(function(t,e){const{isScriptable:i,isIndexable:s}=ri(t);for(const n of e){const e=i(n),o=s(n),a=(o||e)&&t[n];if(e&&(dt(a)||tn(a))||o&&Y(a))return!0}return!1}(o,e)){n.$shared=!1;r=ai(o,i=dt(i)?i():i,this.createResolver(t,i,a))}for(const t of e)n[t]=r[t];return n}createResolver(t,e,i=[""],s){const{resolver:n}=Qs(this._resolverCache,t,i);return U(e)?ai(n,e,void 0,s):n}}function Qs(t,e,i){let s=t.get(e);s||(s=new Map,t.set(e,s));const n=i.join();let o=s.get(n);if(!o){o={resolver:oi(e,i),subPrefixes:i.filter((t=>!t.toLowerCase().includes("hover")))},s.set(n,o)}return o}const tn=t=>U(t)&&Object.getOwnPropertyNames(t).reduce(((e,i)=>e||dt(t[i])),!1);const en=["top","bottom","left","right","chartArea"];function sn(t,e){return"top"===t||"bottom"===t||-1===en.indexOf(t)&&"x"===e}function nn(t,e){return function(i,s){return i[t]===s[t]?i[e]-s[e]:i[t]-s[t]}}function on(t){const e=t.chart,i=e.options.animation;e.notifyPlugins("afterRender"),J(i&&i.onComplete,[t],e)}function an(t){const e=t.chart,i=e.options.animation;J(i&&i.onProgress,[t],e)}function rn(t){return ge()&&"string"==typeof t?t=document.getElementById(t):t&&t.length&&(t=t[0]),t&&t.canvas&&(t=t.canvas),t}const ln={},hn=t=>{const e=rn(t);return Object.values(ln).filter((t=>t.canvas===e)).pop()};function cn(t,e,i){const s=Object.keys(t);for(const n of s){const s=+n;if(s>=e){const o=t[n];delete t[n],(i>0||s>e)&&(t[s+i]=o)}}}class dn{constructor(t,e){const s=this.config=new Js(e),n=rn(t),o=hn(n);if(o)throw new Error("Canvas is already in use. Chart with ID '"+o.id+"' must be destroyed before the canvas can be reused.");const r=s.createResolver(s.chartOptionScopes(),this.getContext());this.platform=new(s.platform||ls(n)),this.platform.updateConfig(s);const l=this.platform.acquireContext(n,r.aspectRatio),h=l&&l.canvas,c=h&&h.height,d=h&&h.width;this.id=j(),this.ctx=l,this.canvas=h,this.width=d,this.height=c,this._options=r,this._aspectRatio=this.aspectRatio,this._layers=[],this._metasets=[],this._stacks=void 0,this.boxes=[],this.currentDevicePixelRatio=void 0,this.chartArea=void 0,this._active=[],this._lastEvent=void 0,this._listeners={},this._responsiveListeners=void 0,this._sortedMetasets=[],this.scales={},this._plugins=new Ns,this.$proxies={},this._hiddenIndices={},this.attached=!1,this._animationsDisabled=void 0,this.$context=void 0,this._doResize=i((t=>this.update(t)),r.resizeDelay||0),this._dataChanges=[],ln[this.id]=this,l&&h?(a.listen(this,"complete",on),a.listen(this,"progress",an),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}get aspectRatio(){const{options:{aspectRatio:t,maintainAspectRatio:e},width:i,height:s,_aspectRatio:n}=this;return $(t)?e&&n?n:s?i/s:null:t}get data(){return this.config.data}set data(t){this.config.data=t}get options(){return this._options}set options(t){this.config.options=t}_initialize(){return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():ke(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this}clear(){return Gt(this.canvas,this.ctx),this}stop(){return a.stop(this),this}resize(t,e){a.running(this)?this._resizeBeforeDraw={width:t,height:e}:this._resize(t,e)}_resize(t,e){const i=this.options,s=this.canvas,n=i.maintainAspectRatio&&this.aspectRatio,o=this.platform.getMaximumSize(s,t,e,n),a=i.devicePixelRatio||this.platform.getDevicePixelRatio(),r=this.width?"resize":"attach";this.width=o.width,this.height=o.height,this._aspectRatio=this.aspectRatio,ke(this,a,!0)&&(this.notifyPlugins("resize",{size:o}),J(i.onResize,[this,o],this),this.attached&&this._doResize(r)&&this.render())}ensureScalesHaveIDs(){Q(this.options.scales||{},((t,e)=>{t.id=e}))}buildOrUpdateScales(){const t=this.options,e=t.scales,i=this.scales,s=Object.keys(i).reduce(((t,e)=>(t[e]=!1,t)),{});let n=[];e&&(n=n.concat(Object.keys(e).map((t=>{const i=e[t],s=Ys(t,i),n="r"===s,o="x"===s;return{options:i,dposition:n?"chartArea":o?"bottom":"left",dtype:n?"radialLinear":o?"category":"linear"}})))),Q(n,(e=>{const n=e.options,o=n.id,a=Ys(o,n),r=K(n.type,e.dtype);void 0!==n.position&&sn(n.position,a)===sn(e.dposition)||(n.position=e.dposition),s[o]=!0;let l=null;if(o in i&&i[o].type===r)l=i[o];else{l=new(Ws.getScale(r))({id:o,type:r,ctx:this.ctx,chart:this}),i[l.id]=l}l.init(n,t)})),Q(s,((t,e)=>{t||delete i[e]})),Q(i,(t=>{ni.configure(this,t,t.options),ni.addBox(this,t)}))}_updateMetasets(){const t=this._metasets,e=this.data.datasets.length,i=t.length;if(t.sort(((t,e)=>t.index-e.index)),i>e){for(let t=e;t<i;++t)this._destroyDatasetMeta(t);t.splice(e,i-e)}this._sortedMetasets=t.slice(0).sort(nn("order","index"))}_removeUnreferencedMetasets(){const{_metasets:t,data:{datasets:e}}=this;t.length>e.length&&delete this._stacks,t.forEach(((t,i)=>{0===e.filter((e=>e===t._dataset)).length&&this._destroyDatasetMeta(i)}))}buildOrUpdateControllers(){const t=[],e=this.data.datasets;let i,s;for(this._removeUnreferencedMetasets(),i=0,s=e.length;i<s;i++){const s=e[i];let n=this.getDatasetMeta(i);const o=s.type||this.config.type;if(n.type&&n.type!==o&&(this._destroyDatasetMeta(i),n=this.getDatasetMeta(i)),n.type=o,n.indexAxis=s.indexAxis||$s(o,this.options),n.order=s.order||0,n.index=i,n.label=""+s.label,n.visible=this.isDatasetVisible(i),n.controller)n.controller.updateIndex(i),n.controller.linkScales();else{const e=Ws.getController(o),{datasetElementType:s,dataElementType:a}=bt.datasets[o];Object.assign(e.prototype,{dataElementType:Ws.getElement(a),datasetElementType:s&&Ws.getElement(s)}),n.controller=new e(this,i),t.push(n.controller)}}return this._updateMetasets(),t}_resetElements(){Q(this.data.datasets,((t,e)=>{this.getDatasetMeta(e).controller.reset()}),this)}reset(){this._resetElements(),this.notifyPlugins("reset")}update(t){const e=this.config;e.update();const i=this._options=e.createResolver(e.chartOptionScopes(),this.getContext()),s=this._animationsDisabled=!i.animation;if(this._updateScales(),this._checkEventBindings(),this._updateHiddenIndices(),this._plugins.invalidate(),!1===this.notifyPlugins("beforeUpdate",{mode:t,cancelable:!0}))return;const n=this.buildOrUpdateControllers();this.notifyPlugins("beforeElementsUpdate");let o=0;for(let t=0,e=this.data.datasets.length;t<e;t++){const{controller:e}=this.getDatasetMeta(t),i=!s&&-1===n.indexOf(e);e.buildOrUpdateElements(i),o=Math.max(+e.getMaxOverflow(),o)}o=this._minPadding=i.layout.autoPadding?o:0,this._updateLayout(o),s||Q(n,(t=>{t.reset()})),this._updateDatasets(t),this.notifyPlugins("afterUpdate",{mode:t}),this._layers.sort(nn("z","_idx"));const{_active:a,_lastEvent:r}=this;r?this._eventHandler(r,!0):a.length&&this._updateHoverStyles(a,a,!0),this.render()}_updateScales(){Q(this.scales,(t=>{ni.removeBox(this,t)})),this.ensureScalesHaveIDs(),this.buildOrUpdateScales()}_checkEventBindings(){const t=this.options,e=new Set(Object.keys(this._listeners)),i=new Set(t.events);ut(e,i)&&!!this._responsiveListeners===t.responsive||(this.unbindEvents(),this.bindEvents())}_updateHiddenIndices(){const{_hiddenIndices:t}=this,e=this._getUniformDataChanges()||[];for(const{method:i,start:s,count:n}of e){cn(t,s,"_removeElements"===i?-n:n)}}_getUniformDataChanges(){const t=this._dataChanges;if(!t||!t.length)return;this._dataChanges=[];const e=this.data.datasets.length,i=e=>new Set(t.filter((t=>t[0]===e)).map(((t,e)=>e+","+t.splice(1).join(",")))),s=i(0);for(let t=1;t<e;t++)if(!ut(s,i(t)))return;return Array.from(s).map((t=>t.split(","))).map((t=>({method:t[1],start:+t[2],count:+t[3]})))}_updateLayout(t){if(!1===this.notifyPlugins("beforeLayout",{cancelable:!0}))return;ni.update(this,this.width,this.height,t);const e=this.chartArea,i=e.width<=0||e.height<=0;this._layers=[],Q(this.boxes,(t=>{i&&"chartArea"===t.position||(t.configure&&t.configure(),this._layers.push(...t._layers()))}),this),this._layers.forEach(((t,e)=>{t._idx=e})),this.notifyPlugins("afterLayout")}_updateDatasets(t){if(!1!==this.notifyPlugins("beforeDatasetsUpdate",{mode:t,cancelable:!0})){for(let t=0,e=this.data.datasets.length;t<e;++t)this.getDatasetMeta(t).controller.configure();for(let e=0,i=this.data.datasets.length;e<i;++e)this._updateDataset(e,dt(t)?t({datasetIndex:e}):t);this.notifyPlugins("afterDatasetsUpdate",{mode:t})}}_updateDataset(t,e){const i=this.getDatasetMeta(t),s={meta:i,index:t,mode:e,cancelable:!0};!1!==this.notifyPlugins("beforeDatasetUpdate",s)&&(i.controller._update(e),s.cancelable=!1,this.notifyPlugins("afterDatasetUpdate",s))}render(){!1!==this.notifyPlugins("beforeRender",{cancelable:!0})&&(a.has(this)?this.attached&&!a.running(this)&&a.start(this):(this.draw(),on({chart:this})))}draw(){let t;if(this._resizeBeforeDraw){const{width:t,height:e}=this._resizeBeforeDraw;this._resize(t,e),this._resizeBeforeDraw=null}if(this.clear(),this.width<=0||this.height<=0)return;if(!1===this.notifyPlugins("beforeDraw",{cancelable:!0}))return;const e=this._layers;for(t=0;t<e.length&&e[t].z<=0;++t)e[t].draw(this.chartArea);for(this._drawDatasets();t<e.length;++t)e[t].draw(this.chartArea);this.notifyPlugins("afterDraw")}_getSortedDatasetMetas(t){const e=this._sortedMetasets,i=[];let s,n;for(s=0,n=e.length;s<n;++s){const n=e[s];t&&!n.visible||i.push(n)}return i}getSortedVisibleDatasetMetas(){return this._getSortedDatasetMetas(!0)}_drawDatasets(){if(!1===this.notifyPlugins("beforeDatasetsDraw",{cancelable:!0}))return;const t=this.getSortedVisibleDatasetMetas();for(let e=t.length-1;e>=0;--e)this._drawDataset(t[e]);this.notifyPlugins("afterDatasetsDraw")}_drawDataset(t){const e=this.ctx,i=t._clip,s=!i.disabled,n=this.chartArea,o={meta:t,index:t.index,cancelable:!0};!1!==this.notifyPlugins("beforeDatasetDraw",o)&&(s&&Qt(e,{left:!1===i.left?0:n.left-i.left,right:!1===i.right?this.width:n.right+i.right,top:!1===i.top?0:n.top-i.top,bottom:!1===i.bottom?this.height:n.bottom+i.bottom}),t.controller.draw(),s&&te(e),o.cancelable=!1,this.notifyPlugins("afterDatasetDraw",o))}getElementsAtEventForMode(t,e,i,s){const n=Ee.modes[e];return"function"==typeof n?n(this,t,i,s):[]}getDatasetMeta(t){const e=this.data.datasets[t],i=this._metasets;let s=i.filter((t=>t&&t._dataset===e)).pop();return s||(s={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e&&e.order||0,index:t,_dataset:e,_parsed:[],_sorted:!1},i.push(s)),s}getContext(){return this.$context||(this.$context=Ye(null,{chart:this,type:"chart"}))}getVisibleDatasetCount(){return this.getSortedVisibleDatasetMetas().length}isDatasetVisible(t){const e=this.data.datasets[t];if(!e)return!1;const i=this.getDatasetMeta(t);return"boolean"==typeof i.hidden?!i.hidden:!e.hidden}setDatasetVisibility(t,e){this.getDatasetMeta(t).hidden=!e}toggleDataVisibility(t){this._hiddenIndices[t]=!this._hiddenIndices[t]}getDataVisibility(t){return!this._hiddenIndices[t]}_updateVisibility(t,e,i){const s=i?"show":"hide",n=this.getDatasetMeta(t),o=n.controller._resolveAnimations(void 0,s);ct(e)?(n.data[e].hidden=!i,this.update()):(this.setDatasetVisibility(t,i),o.update(n,{visible:i}),this.update((e=>e.datasetIndex===t?s:void 0)))}hide(t,e){this._updateVisibility(t,e,!1)}show(t,e){this._updateVisibility(t,e,!0)}_destroyDatasetMeta(t){const e=this._metasets[t];e&&e.controller&&e.controller._destroy(),delete this._metasets[t]}_stop(){let t,e;for(this.stop(),a.remove(this),t=0,e=this.data.datasets.length;t<e;++t)this._destroyDatasetMeta(t)}destroy(){this.notifyPlugins("beforeDestroy");const{canvas:t,ctx:e}=this;this._stop(),this.config.clearCache(),t&&(this.unbindEvents(),Gt(t,e),this.platform.releaseContext(e),this.canvas=null,this.ctx=null),this.notifyPlugins("destroy"),delete ln[this.id],this.notifyPlugins("afterDestroy")}toBase64Image(...t){return this.canvas.toDataURL(...t)}bindEvents(){this.bindUserEvents(),this.options.responsive?this.bindResponsiveEvents():this.attached=!0}bindUserEvents(){const t=this._listeners,e=this.platform,i=(i,s)=>{e.addEventListener(this,i,s),t[i]=s},s=(t,e,i)=>{t.offsetX=e,t.offsetY=i,this._eventHandler(t)};Q(this.options.events,(t=>i(t,s)))}bindResponsiveEvents(){this._responsiveListeners||(this._responsiveListeners={});const t=this._responsiveListeners,e=this.platform,i=(i,s)=>{e.addEventListener(this,i,s),t[i]=s},s=(i,s)=>{t[i]&&(e.removeEventListener(this,i,s),delete t[i])},n=(t,e)=>{this.canvas&&this.resize(t,e)};let o;const a=()=>{s("attach",a),this.attached=!0,this.resize(),i("resize",n),i("detach",o)};o=()=>{this.attached=!1,s("resize",n),this._stop(),this._resize(0,0),i("attach",a)},e.isAttached(this.canvas)?a():o()}unbindEvents(){Q(this._listeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._listeners={},Q(this._responsiveListeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._responsiveListeners=void 0}updateHoverStyle(t,e,i){const s=i?"set":"remove";let n,o,a,r;for("dataset"===e&&(n=this.getDatasetMeta(t[0].datasetIndex),n.controller["_"+s+"DatasetHoverStyle"]()),a=0,r=t.length;a<r;++a){o=t[a];const e=o&&this.getDatasetMeta(o.datasetIndex).controller;e&&e[s+"HoverStyle"](o.element,o.datasetIndex,o.index)}}getActiveElements(){return this._active||[]}setActiveElements(t){const e=this._active||[],i=t.map((({datasetIndex:t,index:e})=>{const i=this.getDatasetMeta(t);if(!i)throw new Error("No dataset found at index "+t);return{datasetIndex:t,element:i.data[e],index:e}}));!tt(i,e)&&(this._active=i,this._lastEvent=null,this._updateHoverStyles(i,e))}notifyPlugins(t,e,i){return this._plugins.notify(this,t,e,i)}_updateHoverStyles(t,e,i){const s=this.options.hover,n=(t,e)=>t.filter((t=>!e.some((e=>t.datasetIndex===e.datasetIndex&&t.index===e.index)))),o=n(e,t),a=i?t:n(t,e);o.length&&this.updateHoverStyle(o,s.mode,!1),a.length&&s.mode&&this.updateHoverStyle(a,s.mode,!0)}_eventHandler(t,e){const i={event:t,replay:e,cancelable:!0,inChartArea:Jt(t,this.chartArea,this._minPadding)},s=e=>(e.options.events||this.options.events).includes(t.native.type);if(!1===this.notifyPlugins("beforeEvent",i,s))return;const n=this._handleEvent(t,e,i.inChartArea);return i.cancelable=!1,this.notifyPlugins("afterEvent",i,s),(n||i.changed)&&this.render(),this}_handleEvent(t,e,i){const{_active:s=[],options:n}=this,o=e,a=this._getActiveElements(t,s,i,o),r=ft(t),l=function(t,e,i,s){return i&&"mouseout"!==t.type?s?e:t:null}(t,this._lastEvent,i,r);i&&(this._lastEvent=null,J(n.onHover,[t,a,this],this),r&&J(n.onClick,[t,a,this],this));const h=!tt(a,s);return(h||e)&&(this._active=a,this._updateHoverStyles(a,s,e)),this._lastEvent=l,h}_getActiveElements(t,e,i,s){if("mouseout"===t.type)return[];if(!i)return e;const n=this.options.hover;return this.getElementsAtEventForMode(t,n.mode,n,s)}}const un=()=>Q(dn.instances,(t=>t._plugins.invalidate())),fn=!0;function gn(){throw new Error("This method is not implemented: Check that a complete date adapter is provided.")}Object.defineProperties(dn,{defaults:{enumerable:fn,value:bt},instances:{enumerable:fn,value:ln},overrides:{enumerable:fn,value:gt},registry:{enumerable:fn,value:Ws},version:{enumerable:fn,value:"3.7.1"},getChart:{enumerable:fn,value:hn},register:{enumerable:fn,value:(...t)=>{Ws.add(...t),un()}},unregister:{enumerable:fn,value:(...t)=>{Ws.remove(...t),un()}}});class pn{constructor(t){this.options=t||{}}formats(){return gn()}parse(t,e){return gn()}format(t,e){return gn()}add(t,e,i){return gn()}diff(t,e,i){return gn()}startOf(t,e,i){return gn()}endOf(t,e){return gn()}}pn.override=function(t){Object.assign(pn.prototype,t)};var mn={_date:pn};function xn(t){const e=t.iScale,i=function(t,e){if(!t._cache.$bar){const i=t.getMatchingVisibleMetas(e);let s=[];for(let e=0,n=i.length;e<n;e++)s=s.concat(i[e].controller.getAllParsedValues(t));t._cache.$bar=fe(s.sort(((t,e)=>t-e)))}return t._cache.$bar}(e,t.type);let s,n,o,a,r=e._length;const l=()=>{32767!==o&&-32768!==o&&(ct(a)&&(r=Math.min(r,Math.abs(o-a)||r)),a=o)};for(s=0,n=i.length;s<n;++s)o=e.getPixelForValue(i[s]),l();for(a=void 0,s=0,n=e.ticks.length;s<n;++s)o=e.getPixelForTick(s),l();return r}function bn(t,e,i,s){return Y(t)?function(t,e,i,s){const n=i.parse(t[0],s),o=i.parse(t[1],s),a=Math.min(n,o),r=Math.max(n,o);let l=a,h=r;Math.abs(a)>Math.abs(r)&&(l=r,h=a),e[i.axis]=h,e._custom={barStart:l,barEnd:h,start:n,end:o,min:a,max:r}}(t,e,i,s):e[i.axis]=i.parse(t,s),e}function _n(t,e,i,s){const n=t.iScale,o=t.vScale,a=n.getLabels(),r=n===o,l=[];let h,c,d,u;for(h=i,c=i+s;h<c;++h)u=e[h],d={},d[n.axis]=r||n.parse(a[h],h),l.push(bn(u,d,o,h));return l}function yn(t){return t&&void 0!==t.barStart&&void 0!==t.barEnd}function vn(t,e,i,s){let n=e.borderSkipped;const o={};if(!n)return void(t.borderSkipped=o);const{start:a,end:r,reverse:l,top:h,bottom:c}=function(t){let e,i,s,n,o;return t.horizontal?(e=t.base>t.x,i="left",s="right"):(e=t.base<t.y,i="bottom",s="top"),e?(n="end",o="start"):(n="start",o="end"),{start:i,end:s,reverse:e,top:n,bottom:o}}(t);"middle"===n&&i&&(t.enableBorderRadius=!0,(i._top||0)===s?n=h:(i._bottom||0)===s?n=c:(o[wn(c,a,r,l)]=!0,n=h)),o[wn(n,a,r,l)]=!0,t.borderSkipped=o}function wn(t,e,i,s){var n,o,a;return s?(a=i,t=Mn(t=(n=t)===(o=e)?a:n===a?o:n,i,e)):t=Mn(t,e,i),t}function Mn(t,e,i){return"start"===t?e:"end"===t?i:t}function kn(t,{inflateAmount:e},i){t.inflateAmount="auto"===e?1===i?.33:0:e}class Sn extends Ps{parsePrimitiveData(t,e,i,s){return _n(t,e,i,s)}parseArrayData(t,e,i,s){return _n(t,e,i,s)}parseObjectData(t,e,i,s){const{iScale:n,vScale:o}=t,{xAxisKey:a="x",yAxisKey:r="y"}=this._parsing,l="x"===n.axis?a:r,h="x"===o.axis?a:r,c=[];let d,u,f,g;for(d=i,u=i+s;d<u;++d)g=e[d],f={},f[n.axis]=n.parse(lt(g,l),d),c.push(bn(lt(g,h),f,o,d));return c}updateRangeFromParsed(t,e,i,s){super.updateRangeFromParsed(t,e,i,s);const n=i._custom;n&&e===this._cachedMeta.vScale&&(t.min=Math.min(t.min,n.min),t.max=Math.max(t.max,n.max))}getMaxOverflow(){return 0}getLabelAndValue(t){const e=this._cachedMeta,{iScale:i,vScale:s}=e,n=this.getParsed(t),o=n._custom,a=yn(o)?"["+o.start+", "+o.end+"]":""+s.getLabelForValue(n[s.axis]);return{label:""+i.getLabelForValue(n[i.axis]),value:a}}initialize(){this.enableOptionSharing=!0,super.initialize();this._cachedMeta.stack=this.getDataset().stack}update(t){const e=this._cachedMeta;this.updateElements(e.data,0,e.data.length,t)}updateElements(t,e,i,s){const n="reset"===s,{index:o,_cachedMeta:{vScale:a}}=this,r=a.getBasePixel(),l=a.isHorizontal(),h=this._getRuler(),c=this.resolveDataElementOptions(e,s),d=this.getSharedOptions(c),u=this.includeOptions(s,d);this.updateSharedOptions(d,s,c);for(let c=e;c<e+i;c++){const e=this.getParsed(c),i=n||$(e[a.axis])?{base:r,head:r}:this._calculateBarValuePixels(c),f=this._calculateBarIndexPixels(c,h),g=(e._stacks||{})[a.axis],p={horizontal:l,base:i.base,enableBorderRadius:!g||yn(e._custom)||o===g._top||o===g._bottom,x:l?i.head:f.center,y:l?f.center:i.head,height:l?f.size:Math.abs(i.size),width:l?Math.abs(i.size):f.size};u&&(p.options=d||this.resolveDataElementOptions(c,t[c].active?"active":s));const m=p.options||t[c].options;vn(p,m,g,o),kn(p,m,h.ratio),this.updateElement(t[c],c,p,s)}}_getStacks(t,e){const i=this._cachedMeta.iScale,s=i.getMatchingVisibleMetas(this._type),n=i.options.stacked,o=s.length,a=[];let r,l;for(r=0;r<o;++r)if(l=s[r],l.controller.options.grouped){if(void 0!==e){const t=l.controller.getParsed(e)[l.controller._cachedMeta.vScale.axis];if($(t)||isNaN(t))continue}if((!1===n||-1===a.indexOf(l.stack)||void 0===n&&void 0===l.stack)&&a.push(l.stack),l.index===t)break}return a.length||a.push(void 0),a}_getStackCount(t){return this._getStacks(void 0,t).length}_getStackIndex(t,e,i){const s=this._getStacks(t,i),n=void 0!==e?s.indexOf(e):-1;return-1===n?s.length-1:n}_getRuler(){const t=this.options,e=this._cachedMeta,i=e.iScale,s=[];let n,o;for(n=0,o=e.data.length;n<o;++n)s.push(i.getPixelForValue(this.getParsed(n)[i.axis],n));const a=t.barThickness;return{min:a||xn(e),pixels:s,start:i._startPixel,end:i._endPixel,stackCount:this._getStackCount(),scale:i,grouped:t.grouped,ratio:a?1:t.categoryPercentage*t.barPercentage}}_calculateBarValuePixels(t){const{_cachedMeta:{vScale:e,_stacked:i},options:{base:s,minBarLength:n}}=this,o=s||0,a=this.getParsed(t),r=a._custom,l=yn(r);let h,c,d=a[e.axis],u=0,f=i?this.applyStack(e,a,i):d;f!==d&&(u=f-d,f=d),l&&(d=r.barStart,f=r.barEnd-r.barStart,0!==d&&Ct(d)!==Ct(r.barEnd)&&(u=0),u+=d);const g=$(s)||l?u:s;let p=e.getPixelForValue(g);if(h=this.chart.getDataVisibility(t)?e.getPixelForValue(u+f):p,c=h-p,Math.abs(c)<n&&(c=function(t,e,i){return 0!==t?Ct(t):(e.isHorizontal()?1:-1)*(e.min>=i?1:-1)}(c,e,o)*n,d===o&&(p-=c/2),h=p+c),p===e.getPixelForValue(o)){const t=Ct(c)*e.getLineWidthForValue(o)/2;p+=t,c-=t}return{size:c,base:p,head:h,center:h+c/2}}_calculateBarIndexPixels(t,e){const i=e.scale,s=this.options,n=s.skipNull,o=K(s.maxBarThickness,1/0);let a,r;if(e.grouped){const i=n?this._getStackCount(t):e.stackCount,l="flex"===s.barThickness?function(t,e,i,s){const n=e.pixels,o=n[t];let a=t>0?n[t-1]:null,r=t<n.length-1?n[t+1]:null;const l=i.categoryPercentage;null===a&&(a=o-(null===r?e.end-e.start:r-o)),null===r&&(r=o+o-a);const h=o-(o-Math.min(a,r))/2*l;return{chunk:Math.abs(r-a)/2*l/s,ratio:i.barPercentage,start:h}}(t,e,s,i):function(t,e,i,s){const n=i.barThickness;let o,a;return $(n)?(o=e.min*i.categoryPercentage,a=i.barPercentage):(o=n*s,a=1),{chunk:o/s,ratio:a,start:e.pixels[t]-o/2}}(t,e,s,i),h=this._getStackIndex(this.index,this._cachedMeta.stack,n?t:void 0);a=l.start+l.chunk*h+l.chunk/2,r=Math.min(o,l.chunk*l.ratio)}else a=i.getPixelForValue(this.getParsed(t)[i.axis],t),r=Math.min(o,e.min*e.ratio);return{base:a-r/2,head:a+r/2,center:a,size:r}}draw(){const t=this._cachedMeta,e=t.vScale,i=t.data,s=i.length;let n=0;for(;n<s;++n)null!==this.getParsed(n)[e.axis]&&i[n].draw(this._ctx)}}Sn.id="bar",Sn.defaults={datasetElementType:!1,dataElementType:"bar",categoryPercentage:.8,barPercentage:.9,grouped:!0,animations:{numbers:{type:"number",properties:["x","y","base","width","height"]}}},Sn.overrides={scales:{_index_:{type:"category",offset:!0,grid:{offset:!0}},_value_:{type:"linear",beginAtZero:!0}}};class Pn extends Ps{initialize(){this.enableOptionSharing=!0,super.initialize()}parsePrimitiveData(t,e,i,s){const n=super.parsePrimitiveData(t,e,i,s);for(let t=0;t<n.length;t++)n[t]._custom=this.resolveDataElementOptions(t+i).radius;return n}parseArrayData(t,e,i,s){const n=super.parseArrayData(t,e,i,s);for(let t=0;t<n.length;t++){const s=e[i+t];n[t]._custom=K(s[2],this.resolveDataElementOptions(t+i).radius)}return n}parseObjectData(t,e,i,s){const n=super.parseObjectData(t,e,i,s);for(let t=0;t<n.length;t++){const s=e[i+t];n[t]._custom=K(s&&s.r&&+s.r,this.resolveDataElementOptions(t+i).radius)}return n}getMaxOverflow(){const t=this._cachedMeta.data;let e=0;for(let i=t.length-1;i>=0;--i)e=Math.max(e,t[i].size(this.resolveDataElementOptions(i))/2);return e>0&&e}getLabelAndValue(t){const e=this._cachedMeta,{xScale:i,yScale:s}=e,n=this.getParsed(t),o=i.getLabelForValue(n.x),a=s.getLabelForValue(n.y),r=n._custom;return{label:e.label,value:"("+o+", "+a+(r?", "+r:"")+")"}}update(t){const e=this._cachedMeta.data;this.updateElements(e,0,e.length,t)}updateElements(t,e,i,s){const n="reset"===s,{iScale:o,vScale:a}=this._cachedMeta,r=this.resolveDataElementOptions(e,s),l=this.getSharedOptions(r),h=this.includeOptions(s,l),c=o.axis,d=a.axis;for(let r=e;r<e+i;r++){const e=t[r],i=!n&&this.getParsed(r),l={},u=l[c]=n?o.getPixelForDecimal(.5):o.getPixelForValue(i[c]),f=l[d]=n?a.getBasePixel():a.getPixelForValue(i[d]);l.skip=isNaN(u)||isNaN(f),h&&(l.options=this.resolveDataElementOptions(r,e.active?"active":s),n&&(l.options.radius=0)),this.updateElement(e,r,l,s)}this.updateSharedOptions(l,s,r)}resolveDataElementOptions(t,e){const i=this.getParsed(t);let s=super.resolveDataElementOptions(t,e);s.$shared&&(s=Object.assign({},s,{$shared:!1}));const n=s.radius;return"active"!==e&&(s.radius=0),s.radius+=K(i&&i._custom,n),s}}Pn.id="bubble",Pn.defaults={datasetElementType:!1,dataElementType:"point",animations:{numbers:{type:"number",properties:["x","y","borderWidth","radius"]}}},Pn.overrides={scales:{x:{type:"linear"},y:{type:"linear"}},plugins:{tooltip:{callbacks:{title:()=>""}}}};class Dn extends Ps{constructor(t,e){super(t,e),this.enableOptionSharing=!0,this.innerRadius=void 0,this.outerRadius=void 0,this.offsetX=void 0,this.offsetY=void 0}linkScales(){}parse(t,e){const i=this.getDataset().data,s=this._cachedMeta;if(!1===this._parsing)s._parsed=i;else{let n,o,a=t=>+i[t];if(U(i[t])){const{key:t="value"}=this._parsing;a=e=>+lt(i[e],t)}for(n=t,o=t+e;n<o;++n)s._parsed[n]=a(n)}}_getRotation(){return It(this.options.rotation-90)}_getCircumference(){return It(this.options.circumference)}_getRotationExtents(){let t=yt,e=-yt;for(let i=0;i<this.chart.data.datasets.length;++i)if(this.chart.isDatasetVisible(i)){const s=this.chart.getDatasetMeta(i).controller,n=s._getRotation(),o=s._getCircumference();t=Math.min(t,n),e=Math.max(e,n+o)}return{rotation:t,circumference:e-t}}update(t){const e=this.chart,{chartArea:i}=e,s=this._cachedMeta,n=s.data,o=this.getMaxBorderWidth()+this.getMaxOffset(n)+this.options.spacing,a=Math.max((Math.min(i.width,i.height)-o)/2,0),r=Math.min(G(this.options.cutout,a),1),l=this._getRingWeight(this.index),{circumference:h,rotation:c}=this._getRotationExtents(),{ratioX:d,ratioY:u,offsetX:f,offsetY:g}=function(t,e,i){let s=1,n=1,o=0,a=0;if(e<yt){const r=t,l=r+e,h=Math.cos(r),c=Math.sin(r),d=Math.cos(l),u=Math.sin(l),f=(t,e,s)=>Ht(t,r,l,!0)?1:Math.max(e,e*i,s,s*i),g=(t,e,s)=>Ht(t,r,l,!0)?-1:Math.min(e,e*i,s,s*i),p=f(0,h,d),m=f(kt,c,u),x=g(_t,h,d),b=g(_t+kt,c,u);s=(p-x)/2,n=(m-b)/2,o=-(p+x)/2,a=-(m+b)/2}return{ratioX:s,ratioY:n,offsetX:o,offsetY:a}}(c,h,r),p=(i.width-o)/d,m=(i.height-o)/u,x=Math.max(Math.min(p,m)/2,0),b=Z(this.options.radius,x),_=(b-Math.max(b*r,0))/this._getVisibleDatasetWeightTotal();this.offsetX=f*b,this.offsetY=g*b,s.total=this.calculateTotal(),this.outerRadius=b-_*this._getRingWeightOffset(this.index),this.innerRadius=Math.max(this.outerRadius-_*l,0),this.updateElements(n,0,n.length,t)}_circumference(t,e){const i=this.options,s=this._cachedMeta,n=this._getCircumference();return e&&i.animation.animateRotate||!this.chart.getDataVisibility(t)||null===s._parsed[t]||s.data[t].hidden?0:this.calculateCircumference(s._parsed[t]*n/yt)}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.chartArea,r=o.options.animation,l=(a.left+a.right)/2,h=(a.top+a.bottom)/2,c=n&&r.animateScale,d=c?0:this.innerRadius,u=c?0:this.outerRadius,f=this.resolveDataElementOptions(e,s),g=this.getSharedOptions(f),p=this.includeOptions(s,g);let m,x=this._getRotation();for(m=0;m<e;++m)x+=this._circumference(m,n);for(m=e;m<e+i;++m){const e=this._circumference(m,n),i=t[m],o={x:l+this.offsetX,y:h+this.offsetY,startAngle:x,endAngle:x+e,circumference:e,outerRadius:u,innerRadius:d};p&&(o.options=g||this.resolveDataElementOptions(m,i.active?"active":s)),x+=e,this.updateElement(i,m,o,s)}this.updateSharedOptions(g,s,f)}calculateTotal(){const t=this._cachedMeta,e=t.data;let i,s=0;for(i=0;i<e.length;i++){const n=t._parsed[i];null===n||isNaN(n)||!this.chart.getDataVisibility(i)||e[i].hidden||(s+=Math.abs(n))}return s}calculateCircumference(t){const e=this._cachedMeta.total;return e>0&&!isNaN(t)?yt*(Math.abs(t)/e):0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=Ri(e._parsed[t],i.options.locale);return{label:s[t]||"",value:n}}getMaxBorderWidth(t){let e=0;const i=this.chart;let s,n,o,a,r;if(!t)for(s=0,n=i.data.datasets.length;s<n;++s)if(i.isDatasetVisible(s)){o=i.getDatasetMeta(s),t=o.data,a=o.controller;break}if(!t)return 0;for(s=0,n=t.length;s<n;++s)r=a.resolveDataElementOptions(s),"inner"!==r.borderAlign&&(e=Math.max(e,r.borderWidth||0,r.hoverBorderWidth||0));return e}getMaxOffset(t){let e=0;for(let i=0,s=t.length;i<s;++i){const t=this.resolveDataElementOptions(i);e=Math.max(e,t.offset||0,t.hoverOffset||0)}return e}_getRingWeightOffset(t){let e=0;for(let i=0;i<t;++i)this.chart.isDatasetVisible(i)&&(e+=this._getRingWeight(i));return e}_getRingWeight(t){return Math.max(K(this.chart.data.datasets[t].weight,1),0)}_getVisibleDatasetWeightTotal(){return this._getRingWeightOffset(this.chart.data.datasets.length)||1}}Dn.id="doughnut",Dn.defaults={datasetElementType:!1,dataElementType:"arc",animation:{animateRotate:!0,animateScale:!1},animations:{numbers:{type:"number",properties:["circumference","endAngle","innerRadius","outerRadius","startAngle","x","y","offset","borderWidth","spacing"]}},cutout:"50%",rotation:0,circumference:360,radius:"100%",spacing:0,indexAxis:"r"},Dn.descriptors={_scriptable:t=>"spacing"!==t,_indexable:t=>"spacing"!==t},Dn.overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data;if(e.labels.length&&e.datasets.length){const{labels:{pointStyle:i}}=t.legend.options;return e.labels.map(((e,s)=>{const n=t.getDatasetMeta(0).controller.getStyle(s);return{text:e,fillStyle:n.backgroundColor,strokeStyle:n.borderColor,lineWidth:n.borderWidth,pointStyle:i,hidden:!t.getDataVisibility(s),index:s}}))}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}},tooltip:{callbacks:{title:()=>"",label(t){let e=t.label;const i=": "+t.formattedValue;return Y(e)?(e=e.slice(),e[0]+=i):e+=i,e}}}}};class Cn extends Ps{initialize(){this.enableOptionSharing=!0,super.initialize()}update(t){const e=this._cachedMeta,{dataset:i,data:s=[],_dataset:n}=e,o=this.chart._animationsDisabled;let{start:a,count:r}=function(t,e,i){const s=e.length;let n=0,o=s;if(t._sorted){const{iScale:a,_parsed:r}=t,l=a.axis,{min:h,max:c,minDefined:d,maxDefined:u}=a.getUserBounds();d&&(n=jt(Math.min(re(r,a.axis,h).lo,i?s:re(e,l,a.getPixelForValue(h)).lo),0,s-1)),o=u?jt(Math.max(re(r,a.axis,c).hi+1,i?0:re(e,l,a.getPixelForValue(c)).hi+1),n,s)-n:s-n}return{start:n,count:o}}(e,s,o);this._drawStart=a,this._drawCount=r,function(t){const{xScale:e,yScale:i,_scaleRanges:s}=t,n={xmin:e.min,xmax:e.max,ymin:i.min,ymax:i.max};if(!s)return t._scaleRanges=n,!0;const o=s.xmin!==e.min||s.xmax!==e.max||s.ymin!==i.min||s.ymax!==i.max;return Object.assign(s,n),o}(e)&&(a=0,r=s.length),i._chart=this.chart,i._datasetIndex=this.index,i._decimated=!!n._decimated,i.points=s;const l=this.resolveDatasetElementOptions(t);this.options.showLine||(l.borderWidth=0),l.segment=this.options.segment,this.updateElement(i,void 0,{animated:!o,options:l},t),this.updateElements(s,a,r,t)}updateElements(t,e,i,s){const n="reset"===s,{iScale:o,vScale:a,_stacked:r,_dataset:l}=this._cachedMeta,h=this.resolveDataElementOptions(e,s),c=this.getSharedOptions(h),d=this.includeOptions(s,c),u=o.axis,f=a.axis,{spanGaps:g,segment:p}=this.options,m=Tt(g)?g:Number.POSITIVE_INFINITY,x=this.chart._animationsDisabled||n||"none"===s;let b=e>0&&this.getParsed(e-1);for(let h=e;h<e+i;++h){const e=t[h],i=this.getParsed(h),g=x?e:{},_=$(i[f]),y=g[u]=o.getPixelForValue(i[u],h),v=g[f]=n||_?a.getBasePixel():a.getPixelForValue(r?this.applyStack(a,i,r):i[f],h);g.skip=isNaN(y)||isNaN(v)||_,g.stop=h>0&&i[u]-b[u]>m,p&&(g.parsed=i,g.raw=l.data[h]),d&&(g.options=c||this.resolveDataElementOptions(h,e.active?"active":s)),x||this.updateElement(e,h,g,s),b=i}this.updateSharedOptions(c,s,h)}getMaxOverflow(){const t=this._cachedMeta,e=t.dataset,i=e.options&&e.options.borderWidth||0,s=t.data||[];if(!s.length)return i;const n=s[0].size(this.resolveDataElementOptions(0)),o=s[s.length-1].size(this.resolveDataElementOptions(s.length-1));return Math.max(i,n,o)/2}draw(){const t=this._cachedMeta;t.dataset.updateControlPoints(this.chart.chartArea,t.iScale.axis),super.draw()}}Cn.id="line",Cn.defaults={datasetElementType:"line",dataElementType:"point",showLine:!0,spanGaps:!1},Cn.overrides={scales:{_index_:{type:"category"},_value_:{type:"linear"}}};class On extends Ps{constructor(t,e){super(t,e),this.innerRadius=void 0,this.outerRadius=void 0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=Ri(e._parsed[t].r,i.options.locale);return{label:s[t]||"",value:n}}update(t){const e=this._cachedMeta.data;this._updateRadius(),this.updateElements(e,0,e.length,t)}_updateRadius(){const t=this.chart,e=t.chartArea,i=t.options,s=Math.min(e.right-e.left,e.bottom-e.top),n=Math.max(s/2,0),o=(n-Math.max(i.cutoutPercentage?n/100*i.cutoutPercentage:1,0))/t.getVisibleDatasetCount();this.outerRadius=n-o*this.index,this.innerRadius=this.outerRadius-o}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=this.getDataset(),r=o.options.animation,l=this._cachedMeta.rScale,h=l.xCenter,c=l.yCenter,d=l.getIndexAngle(0)-.5*_t;let u,f=d;const g=360/this.countVisibleElements();for(u=0;u<e;++u)f+=this._computeAngle(u,s,g);for(u=e;u<e+i;u++){const e=t[u];let i=f,p=f+this._computeAngle(u,s,g),m=o.getDataVisibility(u)?l.getDistanceFromCenterForValue(a.data[u]):0;f=p,n&&(r.animateScale&&(m=0),r.animateRotate&&(i=p=d));const x={x:h,y:c,innerRadius:0,outerRadius:m,startAngle:i,endAngle:p,options:this.resolveDataElementOptions(u,e.active?"active":s)};this.updateElement(e,u,x,s)}}countVisibleElements(){const t=this.getDataset(),e=this._cachedMeta;let i=0;return e.data.forEach(((e,s)=>{!isNaN(t.data[s])&&this.chart.getDataVisibility(s)&&i++})),i}_computeAngle(t,e,i){return this.chart.getDataVisibility(t)?It(this.resolveDataElementOptions(t,e).angle||i):0}}On.id="polarArea",On.defaults={dataElementType:"arc",animation:{animateRotate:!0,animateScale:!0},animations:{numbers:{type:"number",properties:["x","y","startAngle","endAngle","innerRadius","outerRadius"]}},indexAxis:"r",startAngle:0},On.overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data;if(e.labels.length&&e.datasets.length){const{labels:{pointStyle:i}}=t.legend.options;return e.labels.map(((e,s)=>{const n=t.getDatasetMeta(0).controller.getStyle(s);return{text:e,fillStyle:n.backgroundColor,strokeStyle:n.borderColor,lineWidth:n.borderWidth,pointStyle:i,hidden:!t.getDataVisibility(s),index:s}}))}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}},tooltip:{callbacks:{title:()=>"",label:t=>t.chart.data.labels[t.dataIndex]+": "+t.formattedValue}}},scales:{r:{type:"radialLinear",angleLines:{display:!1},beginAtZero:!0,grid:{circular:!0},pointLabels:{display:!1},startAngle:0}}};class An extends Dn{}An.id="pie",An.defaults={cutout:0,rotation:0,circumference:360,radius:"100%"};class Tn extends Ps{getLabelAndValue(t){const e=this._cachedMeta.vScale,i=this.getParsed(t);return{label:e.getLabels()[t],value:""+e.getLabelForValue(i[e.axis])}}update(t){const e=this._cachedMeta,i=e.dataset,s=e.data||[],n=e.iScale.getLabels();if(i.points=s,"resize"!==t){const e=this.resolveDatasetElementOptions(t);this.options.showLine||(e.borderWidth=0);const o={_loop:!0,_fullLoop:n.length===s.length,options:e};this.updateElement(i,void 0,o,t)}this.updateElements(s,0,s.length,t)}updateElements(t,e,i,s){const n=this.getDataset(),o=this._cachedMeta.rScale,a="reset"===s;for(let r=e;r<e+i;r++){const e=t[r],i=this.resolveDataElementOptions(r,e.active?"active":s),l=o.getPointPositionForValue(r,n.data[r]),h=a?o.xCenter:l.x,c=a?o.yCenter:l.y,d={x:h,y:c,angle:l.angle,skip:isNaN(h)||isNaN(c),options:i};this.updateElement(e,r,d,s)}}}Tn.id="radar",Tn.defaults={datasetElementType:"line",dataElementType:"point",indexAxis:"r",showLine:!0,elements:{line:{fill:"start"}}},Tn.overrides={aspectRatio:1,scales:{r:{type:"radialLinear"}}};class Ln extends Cn{}Ln.id="scatter",Ln.defaults={showLine:!1,fill:!1},Ln.overrides={interaction:{mode:"point"},plugins:{tooltip:{callbacks:{title:()=>"",label:t=>"("+t.label+", "+t.formattedValue+")"}}},scales:{x:{type:"linear"},y:{type:"linear"}}};var Rn=Object.freeze({__proto__:null,BarController:Sn,BubbleController:Pn,DoughnutController:Dn,LineController:Cn,PolarAreaController:On,PieController:An,RadarController:Tn,ScatterController:Ln});function En(t,e,i){const{startAngle:s,pixelMargin:n,x:o,y:a,outerRadius:r,innerRadius:l}=e;let h=n/r;t.beginPath(),t.arc(o,a,r,s-h,i+h),l>n?(h=n/l,t.arc(o,a,l,i+h,s-h,!0)):t.arc(o,a,n,i+kt,s-kt),t.closePath(),t.clip()}function In(t,e,i,s){const n=Be(t.options.borderRadius,["outerStart","outerEnd","innerStart","innerEnd"]);const o=(i-e)/2,a=Math.min(o,s*e/2),r=t=>{const e=(i-Math.min(o,t))*s/2;return jt(t,0,Math.min(o,e))};return{outerStart:r(n.outerStart),outerEnd:r(n.outerEnd),innerStart:jt(n.innerStart,0,a),innerEnd:jt(n.innerEnd,0,a)}}function zn(t,e,i,s){return{x:i+t*Math.cos(e),y:s+t*Math.sin(e)}}function Fn(t,e,i,s,n){const{x:o,y:a,startAngle:r,pixelMargin:l,innerRadius:h}=e,c=Math.max(e.outerRadius+s+i-l,0),d=h>0?h+s+i+l:0;let u=0;const f=n-r;if(s){const t=((h>0?h-s:0)+(c>0?c-s:0))/2;u=(f-(0!==t?f*t/(t+s):f))/2}const g=(f-Math.max(.001,f*c-i/_t)/c)/2,p=r+g+u,m=n-g-u,{outerStart:x,outerEnd:b,innerStart:_,innerEnd:y}=In(e,d,c,m-p),v=c-x,w=c-b,M=p+x/v,k=m-b/w,S=d+_,P=d+y,D=p+_/S,C=m-y/P;if(t.beginPath(),t.arc(o,a,c,M,k),b>0){const e=zn(w,k,o,a);t.arc(e.x,e.y,b,k,m+kt)}const O=zn(P,m,o,a);if(t.lineTo(O.x,O.y),y>0){const e=zn(P,C,o,a);t.arc(e.x,e.y,y,m+kt,C+Math.PI)}if(t.arc(o,a,d,m-y/d,p+_/d,!0),_>0){const e=zn(S,D,o,a);t.arc(e.x,e.y,_,D+Math.PI,p-kt)}const A=zn(v,p,o,a);if(t.lineTo(A.x,A.y),x>0){const e=zn(v,M,o,a);t.arc(e.x,e.y,x,p-kt,M)}t.closePath()}function Bn(t,e,i,s,n){const{options:o}=e,{borderWidth:a,borderJoinStyle:r}=o,l="inner"===o.borderAlign;a&&(l?(t.lineWidth=2*a,t.lineJoin=r||"round"):(t.lineWidth=a,t.lineJoin=r||"bevel"),e.fullCircles&&function(t,e,i){const{x:s,y:n,startAngle:o,pixelMargin:a,fullCircles:r}=e,l=Math.max(e.outerRadius-a,0),h=e.innerRadius+a;let c;for(i&&En(t,e,o+yt),t.beginPath(),t.arc(s,n,h,o+yt,o,!0),c=0;c<r;++c)t.stroke();for(t.beginPath(),t.arc(s,n,l,o,o+yt),c=0;c<r;++c)t.stroke()}(t,e,l),l&&En(t,e,n),Fn(t,e,i,s,n),t.stroke())}class Vn extends Ds{constructor(t){super(),this.options=void 0,this.circumference=void 0,this.startAngle=void 0,this.endAngle=void 0,this.innerRadius=void 0,this.outerRadius=void 0,this.pixelMargin=0,this.fullCircles=0,t&&Object.assign(this,t)}inRange(t,e,i){const s=this.getProps(["x","y"],i),{angle:n,distance:o}=Bt(s,{x:t,y:e}),{startAngle:a,endAngle:r,innerRadius:l,outerRadius:h,circumference:c}=this.getProps(["startAngle","endAngle","innerRadius","outerRadius","circumference"],i),d=this.options.spacing/2,u=K(c,r-a)>=yt||Ht(n,a,r),f=Yt(o,l+d,h+d);return u&&f}getCenterPoint(t){const{x:e,y:i,startAngle:s,endAngle:n,innerRadius:o,outerRadius:a}=this.getProps(["x","y","startAngle","endAngle","innerRadius","outerRadius","circumference"],t),{offset:r,spacing:l}=this.options,h=(s+n)/2,c=(o+a+l+r)/2;return{x:e+Math.cos(h)*c,y:i+Math.sin(h)*c}}tooltipPosition(t){return this.getCenterPoint(t)}draw(t){const{options:e,circumference:i}=this,s=(e.offset||0)/2,n=(e.spacing||0)/2;if(this.pixelMargin="inner"===e.borderAlign?.33:0,this.fullCircles=i>yt?Math.floor(i/yt):0,0===i||this.innerRadius<0||this.outerRadius<0)return;t.save();let o=0;if(s){o=s/2;const e=(this.startAngle+this.endAngle)/2;t.translate(Math.cos(e)*o,Math.sin(e)*o),this.circumference>=_t&&(o=s)}t.fillStyle=e.backgroundColor,t.strokeStyle=e.borderColor;const a=function(t,e,i,s){const{fullCircles:n,startAngle:o,circumference:a}=e;let r=e.endAngle;if(n){Fn(t,e,i,s,o+yt);for(let e=0;e<n;++e)t.fill();isNaN(a)||(r=o+a%yt,a%yt==0&&(r+=yt))}return Fn(t,e,i,s,r),t.fill(),r}(t,this,o,n);Bn(t,this,o,n,a),t.restore()}}function Wn(t,e,i=e){t.lineCap=K(i.borderCapStyle,e.borderCapStyle),t.setLineDash(K(i.borderDash,e.borderDash)),t.lineDashOffset=K(i.borderDashOffset,e.borderDashOffset),t.lineJoin=K(i.borderJoinStyle,e.borderJoinStyle),t.lineWidth=K(i.borderWidth,e.borderWidth),t.strokeStyle=K(i.borderColor,e.borderColor)}function Nn(t,e,i){t.lineTo(i.x,i.y)}function Hn(t,e,i={}){const s=t.length,{start:n=0,end:o=s-1}=i,{start:a,end:r}=e,l=Math.max(n,a),h=Math.min(o,r),c=n<a&&o<a||n>r&&o>r;return{count:s,start:l,loop:e.loop,ilen:h<l&&!c?s+h-l:h-l}}function jn(t,e,i,s){const{points:n,options:o}=e,{count:a,start:r,loop:l,ilen:h}=Hn(n,i,s),c=function(t){return t.stepped?ee:t.tension||"monotone"===t.cubicInterpolationMode?ie:Nn}(o);let d,u,f,{move:g=!0,reverse:p}=s||{};for(d=0;d<=h;++d)u=n[(r+(p?h-d:d))%a],u.skip||(g?(t.moveTo(u.x,u.y),g=!1):c(t,f,u,p,o.stepped),f=u);return l&&(u=n[(r+(p?h:0))%a],c(t,f,u,p,o.stepped)),!!l}function $n(t,e,i,s){const n=e.points,{count:o,start:a,ilen:r}=Hn(n,i,s),{move:l=!0,reverse:h}=s||{};let c,d,u,f,g,p,m=0,x=0;const b=t=>(a+(h?r-t:t))%o,_=()=>{f!==g&&(t.lineTo(m,g),t.lineTo(m,f),t.lineTo(m,p))};for(l&&(d=n[b(0)],t.moveTo(d.x,d.y)),c=0;c<=r;++c){if(d=n[b(c)],d.skip)continue;const e=d.x,i=d.y,s=0|e;s===u?(i<f?f=i:i>g&&(g=i),m=(x*m+e)/++x):(_(),t.lineTo(e,i),u=s,x=0,f=g=i),p=i}_()}function Yn(t){const e=t.options,i=e.borderDash&&e.borderDash.length;return!(t._decimated||t._loop||e.tension||"monotone"===e.cubicInterpolationMode||e.stepped||i)?$n:jn}Vn.id="arc",Vn.defaults={borderAlign:"center",borderColor:"#fff",borderJoinStyle:void 0,borderRadius:0,borderWidth:2,offset:0,spacing:0,angle:void 0},Vn.defaultRoutes={backgroundColor:"backgroundColor"};const Un="function"==typeof Path2D;function Xn(t,e,i,s){Un&&!e.options.segment?function(t,e,i,s){let n=e._path;n||(n=e._path=new Path2D,e.path(n,i,s)&&n.closePath()),Wn(t,e.options),t.stroke(n)}(t,e,i,s):function(t,e,i,s){const{segments:n,options:o}=e,a=Yn(e);for(const r of n)Wn(t,o,r.style),t.beginPath(),a(t,e,r,{start:i,end:i+s-1})&&t.closePath(),t.stroke()}(t,e,i,s)}class qn extends Ds{constructor(t){super(),this.animated=!0,this.options=void 0,this._chart=void 0,this._loop=void 0,this._fullLoop=void 0,this._path=void 0,this._points=void 0,this._segments=void 0,this._decimated=!1,this._pointsUpdated=!1,this._datasetIndex=void 0,t&&Object.assign(this,t)}updateControlPoints(t,e){const i=this.options;if((i.tension||"monotone"===i.cubicInterpolationMode)&&!i.stepped&&!this._pointsUpdated){const s=i.spanGaps?this._loop:this._fullLoop;ki(this._points,i,t,s,e),this._pointsUpdated=!0}}set points(t){this._points=t,delete this._segments,delete this._path,this._pointsUpdated=!1}get points(){return this._points}get segments(){return this._segments||(this._segments=Ni(this,this.options.segment))}first(){const t=this.segments,e=this.points;return t.length&&e[t[0].start]}last(){const t=this.segments,e=this.points,i=t.length;return i&&e[t[i-1].end]}interpolate(t,e){const i=this.options,s=t[e],n=this.points,o=Wi(this,{property:e,start:s,end:s});if(!o.length)return;const a=[],r=function(t){return t.stepped?Ai:t.tension||"monotone"===t.cubicInterpolationMode?Ti:Oi}(i);let l,h;for(l=0,h=o.length;l<h;++l){const{start:h,end:c}=o[l],d=n[h],u=n[c];if(d===u){a.push(d);continue}const f=r(d,u,Math.abs((s-d[e])/(u[e]-d[e])),i.stepped);f[e]=t[e],a.push(f)}return 1===a.length?a[0]:a}pathSegment(t,e,i){return Yn(this)(t,this,e,i)}path(t,e,i){const s=this.segments,n=Yn(this);let o=this._loop;e=e||0,i=i||this.points.length-e;for(const a of s)o&=n(t,this,a,{start:e,end:e+i-1});return!!o}draw(t,e,i,s){const n=this.options||{};(this.points||[]).length&&n.borderWidth&&(t.save(),Xn(t,this,i,s),t.restore()),this.animated&&(this._pointsUpdated=!1,this._path=void 0)}}function Kn(t,e,i,s){const n=t.options,{[i]:o}=t.getProps([i],s);return Math.abs(e-o)<n.radius+n.hitRadius}qn.id="line",qn.defaults={borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",borderWidth:3,capBezierPoints:!0,cubicInterpolationMode:"default",fill:!1,spanGaps:!1,stepped:!1,tension:0},qn.defaultRoutes={backgroundColor:"backgroundColor",borderColor:"borderColor"},qn.descriptors={_scriptable:!0,_indexable:t=>"borderDash"!==t&&"fill"!==t};class Gn extends Ds{constructor(t){super(),this.options=void 0,this.parsed=void 0,this.skip=void 0,this.stop=void 0,t&&Object.assign(this,t)}inRange(t,e,i){const s=this.options,{x:n,y:o}=this.getProps(["x","y"],i);return Math.pow(t-n,2)+Math.pow(e-o,2)<Math.pow(s.hitRadius+s.radius,2)}inXRange(t,e){return Kn(this,t,"x",e)}inYRange(t,e){return Kn(this,t,"y",e)}getCenterPoint(t){const{x:e,y:i}=this.getProps(["x","y"],t);return{x:e,y:i}}size(t){let e=(t=t||this.options||{}).radius||0;e=Math.max(e,e&&t.hoverRadius||0);return 2*(e+(e&&t.borderWidth||0))}draw(t,e){const i=this.options;this.skip||i.radius<.1||!Jt(this,e,this.size(i)/2)||(t.strokeStyle=i.borderColor,t.lineWidth=i.borderWidth,t.fillStyle=i.backgroundColor,Zt(t,i,this.x,this.y))}getRange(){const t=this.options||{};return t.radius+t.hitRadius}}function Zn(t,e){const{x:i,y:s,base:n,width:o,height:a}=t.getProps(["x","y","base","width","height"],e);let r,l,h,c,d;return 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o=e+Math.max((f-x)/2,0),a=h.leftForLtr(t,m),r=We(i.borderRadius);s.beginPath(),Object.values(r).some((t=>0!==t))?oe(s,{x:a,y:o,w:m,h:x,radius:r}):s.rect(a,o,m,x),s.fill(),0!==n&&s.stroke()}s.restore()}(h.x(D),C,w),D=o(S,D+m+g,_?D+P:this.right,t.rtl),function(t,e,i){se(s,i.text,t,e+b/2,c,{strikethrough:i.hidden,textAlign:h.textAlign(i.textAlign)})}(h.x(D),C,w),_?p.x+=P+u:p.y+=v})),zi(this.ctx,t.textDirection)}drawTitle(){const t=this.options,e=t.title,i=He(e.font),o=Ne(e.padding);if(!e.display)return;const a=Ei(t.rtl,this.left,this.width),r=this.ctx,l=e.position,h=i.size/2,c=o.top+h;let d,u=this.left,f=this.width;if(this.isHorizontal())f=Math.max(...this.lineWidths),d=this.top+c,u=n(t.align,u,this.right-f);else{const e=this.columnSizes.reduce(((t,e)=>Math.max(t,e.height)),0);d=c+n(t.align,this.top,this.bottom-e-t.labels.padding-this._computeTitleHeight())}const g=n(l,u,u+f);r.textAlign=a.textAlign(s(l)),r.textBaseline="middle",r.strokeStyle=e.color,r.fillStyle=e.color,r.font=i.string,se(r,e.text,g,d,i)}_computeTitleHeight(){const t=this.options.title,e=He(t.font),i=Ne(t.padding);return t.display?e.lineHeight+i.height:0}_getLegendItemAt(t,e){let i,s,n;if(Yt(t,this.left,this.right)&&Yt(e,this.top,this.bottom))for(n=this.legendHitBoxes,i=0;i<n.length;++i)if(s=n[i],Yt(t,s.left,s.left+s.width)&&Yt(e,s.top,s.top+s.height))return this.legendItems[i];return null}handleEvent(t){const e=this.options;if(!function(t,e){if("mousemove"===t&&(e.onHover||e.onLeave))return!0;if(e.onClick&&("click"===t||"mouseup"===t))return!0;return!1}(t.type,e))return;const i=this._getLegendItemAt(t.x,t.y);if("mousemove"===t.type){const o=this._hoveredItem,a=(n=i,null!==(s=o)&&null!==n&&s.datasetIndex===n.datasetIndex&&s.index===n.index);o&&!a&&J(e.onLeave,[t,o,this],this),this._hoveredItem=i,i&&!a&&J(e.onHover,[t,i,this],this)}else i&&J(e.onClick,[t,i,this],this);var s,n}}var Co={id:"legend",_element:Do,start(t,e,i){const s=t.legend=new Do({ctx:t.ctx,options:i,chart:t});ni.configure(t,s,i),ni.addBox(t,s)},stop(t){ni.removeBox(t,t.legend),delete t.legend},beforeUpdate(t,e,i){const s=t.legend;ni.configure(t,s,i),s.options=i},afterUpdate(t){const e=t.legend;e.buildLabels(),e.adjustHitBoxes()},afterEvent(t,e){e.replay||t.legend.handleEvent(e.event)},defaults:{display:!0,position:"top",align:"center",fullSize:!0,reverse:!1,weight:1e3,onClick(t,e,i){const s=e.datasetIndex,n=i.chart;n.isDatasetVisible(s)?(n.hide(s),e.hidden=!0):(n.show(s),e.hidden=!1)},onHover:null,onLeave:null,labels:{color:t=>t.chart.options.color,boxWidth:40,padding:10,generateLabels(t){const e=t.data.datasets,{labels:{usePointStyle:i,pointStyle:s,textAlign:n,color:o}}=t.legend.options;return t._getSortedDatasetMetas().map((t=>{const a=t.controller.getStyle(i?0:void 0),r=Ne(a.borderWidth);return{text:e[t.index].label,fillStyle:a.backgroundColor,fontColor:o,hidden:!t.visible,lineCap:a.borderCapStyle,lineDash:a.borderDash,lineDashOffset:a.borderDashOffset,lineJoin:a.borderJoinStyle,lineWidth:(r.width+r.height)/4,strokeStyle:a.borderColor,pointStyle:s||a.pointStyle,rotation:a.rotation,textAlign:n||a.textAlign,borderRadius:0,datasetIndex:t.index}}),this)}},title:{color:t=>t.chart.options.color,display:!1,position:"center",text:""}},descriptors:{_scriptable:t=>!t.startsWith("on"),labels:{_scriptable:t=>!["generateLabels","filter","sort"].includes(t)}}};class Oo extends Ds{constructor(t){super(),this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this._padding=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e){const i=this.options;if(this.left=0,this.top=0,!i.display)return void(this.width=this.height=this.right=this.bottom=0);this.width=this.right=t,this.height=this.bottom=e;const s=Y(i.text)?i.text.length:1;this._padding=Ne(i.padding);const n=s*He(i.font).lineHeight+this._padding.height;this.isHorizontal()?this.height=n:this.width=n}isHorizontal(){const t=this.options.position;return"top"===t||"bottom"===t}_drawArgs(t){const{top:e,left:i,bottom:s,right:o,options:a}=this,r=a.align;let l,h,c,d=0;return this.isHorizontal()?(h=n(r,i,o),c=e+t,l=o-i):("left"===a.position?(h=i+t,c=n(r,s,e),d=-.5*_t):(h=o-t,c=n(r,e,s),d=.5*_t),l=s-e),{titleX:h,titleY:c,maxWidth:l,rotation:d}}draw(){const t=this.ctx,e=this.options;if(!e.display)return;const i=He(e.font),n=i.lineHeight/2+this._padding.top,{titleX:o,titleY:a,maxWidth:r,rotation:l}=this._drawArgs(n);se(t,e.text,0,0,i,{color:e.color,maxWidth:r,rotation:l,textAlign:s(e.align),textBaseline:"middle",translation:[o,a]})}}var Ao={id:"title",_element:Oo,start(t,e,i){!function(t,e){const i=new Oo({ctx:t.ctx,options:e,chart:t});ni.configure(t,i,e),ni.addBox(t,i),t.titleBlock=i}(t,i)},stop(t){const e=t.titleBlock;ni.removeBox(t,e),delete t.titleBlock},beforeUpdate(t,e,i){const s=t.titleBlock;ni.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"bold"},fullSize:!0,padding:10,position:"top",text:"",weight:2e3},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const To=new WeakMap;var Lo={id:"subtitle",start(t,e,i){const s=new Oo({ctx:t.ctx,options:i,chart:t});ni.configure(t,s,i),ni.addBox(t,s),To.set(t,s)},stop(t){ni.removeBox(t,To.get(t)),To.delete(t)},beforeUpdate(t,e,i){const s=To.get(t);ni.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"normal"},fullSize:!0,padding:0,position:"top",text:"",weight:1500},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const Ro={average(t){if(!t.length)return!1;let e,i,s=0,n=0,o=0;for(e=0,i=t.length;e<i;++e){const i=t[e].element;if(i&&i.hasValue()){const t=i.tooltipPosition();s+=t.x,n+=t.y,++o}}return{x:s/o,y:n/o}},nearest(t,e){if(!t.length)return!1;let i,s,n,o=e.x,a=e.y,r=Number.POSITIVE_INFINITY;for(i=0,s=t.length;i<s;++i){const s=t[i].element;if(s&&s.hasValue()){const t=Vt(e,s.getCenterPoint());t<r&&(r=t,n=s)}}if(n){const t=n.tooltipPosition();o=t.x,a=t.y}return{x:o,y:a}}};function Eo(t,e){return e&&(Y(e)?Array.prototype.push.apply(t,e):t.push(e)),t}function Io(t){return("string"==typeof t||t instanceof String)&&t.indexOf("\n")>-1?t.split("\n"):t}function zo(t,e){const{element:i,datasetIndex:s,index:n}=e,o=t.getDatasetMeta(s).controller,{label:a,value:r}=o.getLabelAndValue(n);return{chart:t,label:a,parsed:o.getParsed(n),raw:t.data.datasets[s].data[n],formattedValue:r,dataset:o.getDataset(),dataIndex:n,datasetIndex:s,element:i}}function Fo(t,e){const i=t.chart.ctx,{body:s,footer:n,title:o}=t,{boxWidth:a,boxHeight:r}=e,l=He(e.bodyFont),h=He(e.titleFont),c=He(e.footerFont),d=o.length,u=n.length,f=s.length,g=Ne(e.padding);let p=g.height,m=0,x=s.reduce(((t,e)=>t+e.before.length+e.lines.length+e.after.length),0);if(x+=t.beforeBody.length+t.afterBody.length,d&&(p+=d*h.lineHeight+(d-1)*e.titleSpacing+e.titleMarginBottom),x){p+=f*(e.displayColors?Math.max(r,l.lineHeight):l.lineHeight)+(x-f)*l.lineHeight+(x-1)*e.bodySpacing}u&&(p+=e.footerMarginTop+u*c.lineHeight+(u-1)*e.footerSpacing);let b=0;const _=function(t){m=Math.max(m,i.measureText(t).width+b)};return i.save(),i.font=h.string,Q(t.title,_),i.font=l.string,Q(t.beforeBody.concat(t.afterBody),_),b=e.displayColors?a+2+e.boxPadding:0,Q(s,(t=>{Q(t.before,_),Q(t.lines,_),Q(t.after,_)})),b=0,i.font=c.string,Q(t.footer,_),i.restore(),m+=g.width,{width:m,height:p}}function Bo(t,e,i,s){const{x:n,width:o}=i,{width:a,chartArea:{left:r,right:l}}=t;let h="center";return"center"===s?h=n<=(r+l)/2?"left":"right":n<=o/2?h="left":n>=a-o/2&&(h="right"),function(t,e,i,s){const{x:n,width:o}=s,a=i.caretSize+i.caretPadding;return"left"===t&&n+o+a>e.width||"right"===t&&n-o-a<0||void 0}(h,t,e,i)&&(h="center"),h}function Vo(t,e,i){const s=i.yAlign||e.yAlign||function(t,e){const{y:i,height:s}=e;return i<s/2?"top":i>t.height-s/2?"bottom":"center"}(t,i);return{xAlign:i.xAlign||e.xAlign||Bo(t,e,i,s),yAlign:s}}function Wo(t,e,i,s){const{caretSize:n,caretPadding:o,cornerRadius:a}=t,{xAlign:r,yAlign:l}=i,h=n+o,{topLeft:c,topRight:d,bottomLeft:u,bottomRight:f}=We(a);let g=function(t,e){let{x:i,width:s}=t;return"right"===e?i-=s:"center"===e&&(i-=s/2),i}(e,r);const p=function(t,e,i){let{y:s,height:n}=t;return"top"===e?s+=i:s-="bottom"===e?n+i:n/2,s}(e,l,h);return"center"===l?"left"===r?g+=h:"right"===r&&(g-=h):"left"===r?g-=Math.max(c,u)+n:"right"===r&&(g+=Math.max(d,f)+n),{x:jt(g,0,s.width-e.width),y:jt(p,0,s.height-e.height)}}function No(t,e,i){const s=Ne(i.padding);return"center"===e?t.x+t.width/2:"right"===e?t.x+t.width-s.right:t.x+s.left}function Ho(t){return Eo([],Io(t))}function jo(t,e){const i=e&&e.dataset&&e.dataset.tooltip&&e.dataset.tooltip.callbacks;return i?t.override(i):t}class $o extends Ds{constructor(t){super(),this.opacity=0,this._active=[],this._eventPosition=void 0,this._size=void 0,this._cachedAnimations=void 0,this._tooltipItems=[],this.$animations=void 0,this.$context=void 0,this.chart=t.chart||t._chart,this._chart=this.chart,this.options=t.options,this.dataPoints=void 0,this.title=void 0,this.beforeBody=void 0,this.body=void 0,this.afterBody=void 0,this.footer=void 0,this.xAlign=void 0,this.yAlign=void 0,this.x=void 0,this.y=void 0,this.height=void 0,this.width=void 0,this.caretX=void 0,this.caretY=void 0,this.labelColors=void 0,this.labelPointStyles=void 0,this.labelTextColors=void 0}initialize(t){this.options=t,this._cachedAnimations=void 0,this.$context=void 0}_resolveAnimations(){const t=this._cachedAnimations;if(t)return t;const e=this.chart,i=this.options.setContext(this.getContext()),s=i.enabled&&e.options.animation&&i.animations,n=new gs(this.chart,s);return s._cacheable&&(this._cachedAnimations=Object.freeze(n)),n}getContext(){return this.$context||(this.$context=(t=this.chart.getContext(),e=this,i=this._tooltipItems,Ye(t,{tooltip:e,tooltipItems:i,type:"tooltip"})));var t,e,i}getTitle(t,e){const{callbacks:i}=e,s=i.beforeTitle.apply(this,[t]),n=i.title.apply(this,[t]),o=i.afterTitle.apply(this,[t]);let a=[];return a=Eo(a,Io(s)),a=Eo(a,Io(n)),a=Eo(a,Io(o)),a}getBeforeBody(t,e){return Ho(e.callbacks.beforeBody.apply(this,[t]))}getBody(t,e){const{callbacks:i}=e,s=[];return Q(t,(t=>{const e={before:[],lines:[],after:[]},n=jo(i,t);Eo(e.before,Io(n.beforeLabel.call(this,t))),Eo(e.lines,n.label.call(this,t)),Eo(e.after,Io(n.afterLabel.call(this,t))),s.push(e)})),s}getAfterBody(t,e){return Ho(e.callbacks.afterBody.apply(this,[t]))}getFooter(t,e){const{callbacks:i}=e,s=i.beforeFooter.apply(this,[t]),n=i.footer.apply(this,[t]),o=i.afterFooter.apply(this,[t]);let a=[];return a=Eo(a,Io(s)),a=Eo(a,Io(n)),a=Eo(a,Io(o)),a}_createItems(t){const e=this._active,i=this.chart.data,s=[],n=[],o=[];let a,r,l=[];for(a=0,r=e.length;a<r;++a)l.push(zo(this.chart,e[a]));return t.filter&&(l=l.filter(((e,s,n)=>t.filter(e,s,n,i)))),t.itemSort&&(l=l.sort(((e,s)=>t.itemSort(e,s,i)))),Q(l,(e=>{const i=jo(t.callbacks,e);s.push(i.labelColor.call(this,e)),n.push(i.labelPointStyle.call(this,e)),o.push(i.labelTextColor.call(this,e))})),this.labelColors=s,this.labelPointStyles=n,this.labelTextColors=o,this.dataPoints=l,l}update(t,e){const i=this.options.setContext(this.getContext()),s=this._active;let n,o=[];if(s.length){const t=Ro[i.position].call(this,s,this._eventPosition);o=this._createItems(i),this.title=this.getTitle(o,i),this.beforeBody=this.getBeforeBody(o,i),this.body=this.getBody(o,i),this.afterBody=this.getAfterBody(o,i),this.footer=this.getFooter(o,i);const e=this._size=Fo(this,i),a=Object.assign({},t,e),r=Vo(this.chart,i,a),l=Wo(i,a,r,this.chart);this.xAlign=r.xAlign,this.yAlign=r.yAlign,n={opacity:1,x:l.x,y:l.y,width:e.width,height:e.height,caretX:t.x,caretY:t.y}}else 0!==this.opacity&&(n={opacity:0});this._tooltipItems=o,this.$context=void 0,n&&this._resolveAnimations().update(this,n),t&&i.external&&i.external.call(this,{chart:this.chart,tooltip:this,replay:e})}drawCaret(t,e,i,s){const n=this.getCaretPosition(t,i,s);e.lineTo(n.x1,n.y1),e.lineTo(n.x2,n.y2),e.lineTo(n.x3,n.y3)}getCaretPosition(t,e,i){const{xAlign:s,yAlign:n}=this,{caretSize:o,cornerRadius:a}=i,{topLeft:r,topRight:l,bottomLeft:h,bottomRight:c}=We(a),{x:d,y:u}=t,{width:f,height:g}=e;let p,m,x,b,_,y;return"center"===n?(_=u+g/2,"left"===s?(p=d,m=p-o,b=_+o,y=_-o):(p=d+f,m=p+o,b=_-o,y=_+o),x=p):(m="left"===s?d+Math.max(r,h)+o:"right"===s?d+f-Math.max(l,c)-o:this.caretX,"top"===n?(b=u,_=b-o,p=m-o,x=m+o):(b=u+g,_=b+o,p=m+o,x=m-o),y=b),{x1:p,x2:m,x3:x,y1:b,y2:_,y3:y}}drawTitle(t,e,i){const s=this.title,n=s.length;let o,a,r;if(n){const l=Ei(i.rtl,this.x,this.width);for(t.x=No(this,i.titleAlign,i),e.textAlign=l.textAlign(i.titleAlign),e.textBaseline="middle",o=He(i.titleFont),a=i.titleSpacing,e.fillStyle=i.titleColor,e.font=o.string,r=0;r<n;++r)e.fillText(s[r],l.x(t.x),t.y+o.lineHeight/2),t.y+=o.lineHeight+a,r+1===n&&(t.y+=i.titleMarginBottom-a)}}_drawColorBox(t,e,i,s,n){const o=this.labelColors[i],a=this.labelPointStyles[i],{boxHeight:r,boxWidth:l,boxPadding:h}=n,c=He(n.bodyFont),d=No(this,"left",n),u=s.x(d),f=r<c.lineHeight?(c.lineHeight-r)/2:0,g=e.y+f;if(n.usePointStyle){const e={radius:Math.min(l,r)/2,pointStyle:a.pointStyle,rotation:a.rotation,borderWidth:1},i=s.leftForLtr(u,l)+l/2,h=g+r/2;t.strokeStyle=n.multiKeyBackground,t.fillStyle=n.multiKeyBackground,Zt(t,e,i,h),t.strokeStyle=o.borderColor,t.fillStyle=o.backgroundColor,Zt(t,e,i,h)}else{t.lineWidth=o.borderWidth||1,t.strokeStyle=o.borderColor,t.setLineDash(o.borderDash||[]),t.lineDashOffset=o.borderDashOffset||0;const e=s.leftForLtr(u,l-h),i=s.leftForLtr(s.xPlus(u,1),l-h-2),a=We(o.borderRadius);Object.values(a).some((t=>0!==t))?(t.beginPath(),t.fillStyle=n.multiKeyBackground,oe(t,{x:e,y:g,w:l,h:r,radius:a}),t.fill(),t.stroke(),t.fillStyle=o.backgroundColor,t.beginPath(),oe(t,{x:i,y:g+1,w:l-2,h:r-2,radius:a}),t.fill()):(t.fillStyle=n.multiKeyBackground,t.fillRect(e,g,l,r),t.strokeRect(e,g,l,r),t.fillStyle=o.backgroundColor,t.fillRect(i,g+1,l-2,r-2))}t.fillStyle=this.labelTextColors[i]}drawBody(t,e,i){const{body:s}=this,{bodySpacing:n,bodyAlign:o,displayColors:a,boxHeight:r,boxWidth:l,boxPadding:h}=i,c=He(i.bodyFont);let d=c.lineHeight,u=0;const f=Ei(i.rtl,this.x,this.width),g=function(i){e.fillText(i,f.x(t.x+u),t.y+d/2),t.y+=d+n},p=f.textAlign(o);let m,x,b,_,y,v,w;for(e.textAlign=o,e.textBaseline="middle",e.font=c.string,t.x=No(this,p,i),e.fillStyle=i.bodyColor,Q(this.beforeBody,g),u=a&&"right"!==p?"center"===o?l/2+h:l+2+h:0,_=0,v=s.length;_<v;++_){for(m=s[_],x=this.labelTextColors[_],e.fillStyle=x,Q(m.before,g),b=m.lines,a&&b.length&&(this._drawColorBox(e,t,_,f,i),d=Math.max(c.lineHeight,r)),y=0,w=b.length;y<w;++y)g(b[y]),d=c.lineHeight;Q(m.after,g)}u=0,d=c.lineHeight,Q(this.afterBody,g),t.y-=n}drawFooter(t,e,i){const s=this.footer,n=s.length;let o,a;if(n){const r=Ei(i.rtl,this.x,this.width);for(t.x=No(this,i.footerAlign,i),t.y+=i.footerMarginTop,e.textAlign=r.textAlign(i.footerAlign),e.textBaseline="middle",o=He(i.footerFont),e.fillStyle=i.footerColor,e.font=o.string,a=0;a<n;++a)e.fillText(s[a],r.x(t.x),t.y+o.lineHeight/2),t.y+=o.lineHeight+i.footerSpacing}}drawBackground(t,e,i,s){const{xAlign:n,yAlign:o}=this,{x:a,y:r}=t,{width:l,height:h}=i,{topLeft:c,topRight:d,bottomLeft:u,bottomRight:f}=We(s.cornerRadius);e.fillStyle=s.backgroundColor,e.strokeStyle=s.borderColor,e.lineWidth=s.borderWidth,e.beginPath(),e.moveTo(a+c,r),"top"===o&&this.drawCaret(t,e,i,s),e.lineTo(a+l-d,r),e.quadraticCurveTo(a+l,r,a+l,r+d),"center"===o&&"right"===n&&this.drawCaret(t,e,i,s),e.lineTo(a+l,r+h-f),e.quadraticCurveTo(a+l,r+h,a+l-f,r+h),"bottom"===o&&this.drawCaret(t,e,i,s),e.lineTo(a+u,r+h),e.quadraticCurveTo(a,r+h,a,r+h-u),"center"===o&&"left"===n&&this.drawCaret(t,e,i,s),e.lineTo(a,r+c),e.quadraticCurveTo(a,r,a+c,r),e.closePath(),e.fill(),s.borderWidth>0&&e.stroke()}_updateAnimationTarget(t){const e=this.chart,i=this.$animations,s=i&&i.x,n=i&&i.y;if(s||n){const i=Ro[t.position].call(this,this._active,this._eventPosition);if(!i)return;const o=this._size=Fo(this,t),a=Object.assign({},i,this._size),r=Vo(e,t,a),l=Wo(t,a,r,e);s._to===l.x&&n._to===l.y||(this.xAlign=r.xAlign,this.yAlign=r.yAlign,this.width=o.width,this.height=o.height,this.caretX=i.x,this.caretY=i.y,this._resolveAnimations().update(this,l))}}draw(t){const e=this.options.setContext(this.getContext());let i=this.opacity;if(!i)return;this._updateAnimationTarget(e);const s={width:this.width,height:this.height},n={x:this.x,y:this.y};i=Math.abs(i)<.001?0:i;const o=Ne(e.padding),a=this.title.length||this.beforeBody.length||this.body.length||this.afterBody.length||this.footer.length;e.enabled&&a&&(t.save(),t.globalAlpha=i,this.drawBackground(n,t,s,e),Ii(t,e.textDirection),n.y+=o.top,this.drawTitle(n,t,e),this.drawBody(n,t,e),this.drawFooter(n,t,e),zi(t,e.textDirection),t.restore())}getActiveElements(){return this._active||[]}setActiveElements(t,e){const i=this._active,s=t.map((({datasetIndex:t,index:e})=>{const i=this.chart.getDatasetMeta(t);if(!i)throw new Error("Cannot find a dataset at index "+t);return{datasetIndex:t,element:i.data[e],index:e}})),n=!tt(i,s),o=this._positionChanged(s,e);(n||o)&&(this._active=s,this._eventPosition=e,this._ignoreReplayEvents=!0,this.update(!0))}handleEvent(t,e,i=!0){if(e&&this._ignoreReplayEvents)return!1;this._ignoreReplayEvents=!1;const s=this.options,n=this._active||[],o=this._getActiveElements(t,n,e,i),a=this._positionChanged(o,t),r=e||!tt(o,n)||a;return r&&(this._active=o,(s.enabled||s.external)&&(this._eventPosition={x:t.x,y:t.y},this.update(!0,e))),r}_getActiveElements(t,e,i,s){const n=this.options;if("mouseout"===t.type)return[];if(!s)return e;const o=this.chart.getElementsAtEventForMode(t,n.mode,n,i);return n.reverse&&o.reverse(),o}_positionChanged(t,e){const{caretX:i,caretY:s,options:n}=this,o=Ro[n.position].call(this,t,e);return!1!==o&&(i!==o.x||s!==o.y)}}$o.positioners=Ro;var Yo={id:"tooltip",_element:$o,positioners:Ro,afterInit(t,e,i){i&&(t.tooltip=new $o({chart:t,options:i}))},beforeUpdate(t,e,i){t.tooltip&&t.tooltip.initialize(i)},reset(t,e,i){t.tooltip&&t.tooltip.initialize(i)},afterDraw(t){const e=t.tooltip,i={tooltip:e};!1!==t.notifyPlugins("beforeTooltipDraw",i)&&(e&&e.draw(t.ctx),t.notifyPlugins("afterTooltipDraw",i))},afterEvent(t,e){if(t.tooltip){const i=e.replay;t.tooltip.handleEvent(e.event,i,e.inChartArea)&&(e.changed=!0)}},defaults:{enabled:!0,external:null,position:"average",backgroundColor:"rgba(0,0,0,0.8)",titleColor:"#fff",titleFont:{weight:"bold"},titleSpacing:2,titleMarginBottom:6,titleAlign:"left",bodyColor:"#fff",bodySpacing:2,bodyFont:{},bodyAlign:"left",footerColor:"#fff",footerSpacing:2,footerMarginTop:6,footerFont:{weight:"bold"},footerAlign:"left",padding:6,caretPadding:2,caretSize:5,cornerRadius:6,boxHeight:(t,e)=>e.bodyFont.size,boxWidth:(t,e)=>e.bodyFont.size,multiKeyBackground:"#fff",displayColors:!0,boxPadding:0,borderColor:"rgba(0,0,0,0)",borderWidth:0,animation:{duration:400,easing:"easeOutQuart"},animations:{numbers:{type:"number",properties:["x","y","width","height","caretX","caretY"]},opacity:{easing:"linear",duration:200}},callbacks:{beforeTitle:H,title(t){if(t.length>0){const e=t[0],i=e.chart.data.labels,s=i?i.length:0;if(this&&this.options&&"dataset"===this.options.mode)return e.dataset.label||"";if(e.label)return e.label;if(s>0&&e.dataIndex<s)return i[e.dataIndex]}return""},afterTitle:H,beforeBody:H,beforeLabel:H,label(t){if(this&&this.options&&"dataset"===this.options.mode)return t.label+": "+t.formattedValue||t.formattedValue;let e=t.dataset.label||"";e&&(e+=": ");const i=t.formattedValue;return $(i)||(e+=i),e},labelColor(t){const e=t.chart.getDatasetMeta(t.datasetIndex).controller.getStyle(t.dataIndex);return{borderColor:e.borderColor,backgroundColor:e.backgroundColor,borderWidth:e.borderWidth,borderDash:e.borderDash,borderDashOffset:e.borderDashOffset,borderRadius:0}},labelTextColor(){return this.options.bodyColor},labelPointStyle(t){const e=t.chart.getDatasetMeta(t.datasetIndex).controller.getStyle(t.dataIndex);return{pointStyle:e.pointStyle,rotation:e.rotation}},afterLabel:H,afterBody:H,beforeFooter:H,footer:H,afterFooter:H}},defaultRoutes:{bodyFont:"font",footerFont:"font",titleFont:"font"},descriptors:{_scriptable:t=>"filter"!==t&&"itemSort"!==t&&"external"!==t,_indexable:!1,callbacks:{_scriptable:!1,_indexable:!1},animation:{_fallback:!1},animations:{_fallback:"animation"}},additionalOptionScopes:["interaction"]},Uo=Object.freeze({__proto__:null,Decimation:ro,Filler:So,Legend:Co,SubTitle:Lo,Title:Ao,Tooltip:Yo});function Xo(t,e,i,s){const n=t.indexOf(e);if(-1===n)return((t,e,i,s)=>("string"==typeof e?(i=t.push(e)-1,s.unshift({index:i,label:e})):isNaN(e)&&(i=null),i))(t,e,i,s);return n!==t.lastIndexOf(e)?i:n}class qo extends Bs{constructor(t){super(t),this._startValue=void 0,this._valueRange=0,this._addedLabels=[]}init(t){const e=this._addedLabels;if(e.length){const t=this.getLabels();for(const{index:i,label:s}of e)t[i]===s&&t.splice(i,1);this._addedLabels=[]}super.init(t)}parse(t,e){if($(t))return null;const i=this.getLabels();return((t,e)=>null===t?null:jt(Math.round(t),0,e))(e=isFinite(e)&&i[e]===t?e:Xo(i,t,K(e,t),this._addedLabels),i.length-1)}determineDataLimits(){const{minDefined:t,maxDefined:e}=this.getUserBounds();let{min:i,max:s}=this.getMinMax(!0);"ticks"===this.options.bounds&&(t||(i=0),e||(s=this.getLabels().length-1)),this.min=i,this.max=s}buildTicks(){const t=this.min,e=this.max,i=this.options.offset,s=[];let n=this.getLabels();n=0===t&&e===n.length-1?n:n.slice(t,e+1),this._valueRange=Math.max(n.length-(i?0:1),1),this._startValue=this.min-(i?.5:0);for(let i=t;i<=e;i++)s.push({value:i});return s}getLabelForValue(t){const e=this.getLabels();return t>=0&&t<e.length?e[t]:t}configure(){super.configure(),this.isHorizontal()||(this._reversePixels=!this._reversePixels)}getPixelForValue(t){return"number"!=typeof t&&(t=this.parse(t)),null===t?NaN:this.getPixelForDecimal((t-this._startValue)/this._valueRange)}getPixelForTick(t){const e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getValueForPixel(t){return Math.round(this._startValue+this.getDecimalForPixel(t)*this._valueRange)}getBasePixel(){return this.bottom}}function Ko(t,e,{horizontal:i,minRotation:s}){const n=It(s),o=(i?Math.sin(n):Math.cos(n))||.001,a=.75*e*(""+t).length;return Math.min(e/o,a)}qo.id="category",qo.defaults={ticks:{callback:qo.prototype.getLabelForValue}};class Go extends Bs{constructor(t){super(t),this.start=void 0,this.end=void 0,this._startValue=void 0,this._endValue=void 0,this._valueRange=0}parse(t,e){return $(t)||("number"==typeof t||t instanceof Number)&&!isFinite(+t)?null:+t}handleTickRangeOptions(){const{beginAtZero:t}=this.options,{minDefined:e,maxDefined:i}=this.getUserBounds();let{min:s,max:n}=this;const o=t=>s=e?s:t,a=t=>n=i?n:t;if(t){const t=Ct(s),e=Ct(n);t<0&&e<0?a(0):t>0&&e>0&&o(0)}if(s===n){let e=1;(n>=Number.MAX_SAFE_INTEGER||s<=Number.MIN_SAFE_INTEGER)&&(e=Math.abs(.05*n)),a(n+e),t||o(s-e)}this.min=s,this.max=n}getTickLimit(){const t=this.options.ticks;let e,{maxTicksLimit:i,stepSize:s}=t;return s?(e=Math.ceil(this.max/s)-Math.floor(this.min/s)+1,e>1e3&&(console.warn(`scales.${this.id}.ticks.stepSize: ${s} would result generating up to ${e} ticks. Limiting to 1000.`),e=1e3)):(e=this.computeTickLimit(),i=i||11),i&&(e=Math.min(i,e)),e}computeTickLimit(){return Number.POSITIVE_INFINITY}buildTicks(){const t=this.options,e=t.ticks;let i=this.getTickLimit();i=Math.max(2,i);const s=function(t,e){const i=[],{bounds:s,step:n,min:o,max:a,precision:r,count:l,maxTicks:h,maxDigits:c,includeBounds:d}=t,u=n||1,f=h-1,{min:g,max:p}=e,m=!$(o),x=!$(a),b=!$(l),_=(p-g)/(c+1);let y,v,w,M,k=Ot((p-g)/f/u)*u;if(k<1e-14&&!m&&!x)return[{value:g},{value:p}];M=Math.ceil(p/k)-Math.floor(g/k),M>f&&(k=Ot(M*k/f/u)*u),$(r)||(y=Math.pow(10,r),k=Math.ceil(k*y)/y),"ticks"===s?(v=Math.floor(g/k)*k,w=Math.ceil(p/k)*k):(v=g,w=p),m&&x&&n&&Rt((a-o)/n,k/1e3)?(M=Math.round(Math.min((a-o)/k,h)),k=(a-o)/M,v=o,w=a):b?(v=m?o:v,w=x?a:w,M=l-1,k=(w-v)/M):(M=(w-v)/k,M=Lt(M,Math.round(M),k/1e3)?Math.round(M):Math.ceil(M));const S=Math.max(Ft(k),Ft(v));y=Math.pow(10,$(r)?S:r),v=Math.round(v*y)/y,w=Math.round(w*y)/y;let P=0;for(m&&(d&&v!==o?(i.push({value:o}),v<o&&P++,Lt(Math.round((v+P*k)*y)/y,o,Ko(o,_,t))&&P++):v<o&&P++);P<M;++P)i.push({value:Math.round((v+P*k)*y)/y});return x&&d&&w!==a?i.length&&Lt(i[i.length-1].value,a,Ko(a,_,t))?i[i.length-1].value=a:i.push({value:a}):x&&w!==a||i.push({value:w}),i}({maxTicks:i,bounds:t.bounds,min:t.min,max:t.max,precision:e.precision,step:e.stepSize,count:e.count,maxDigits:this._maxDigits(),horizontal:this.isHorizontal(),minRotation:e.minRotation||0,includeBounds:!1!==e.includeBounds},this._range||this);return"ticks"===t.bounds&&Et(s,this,"value"),t.reverse?(s.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),s}configure(){const t=this.ticks;let e=this.min,i=this.max;if(super.configure(),this.options.offset&&t.length){const s=(i-e)/Math.max(t.length-1,1)/2;e-=s,i+=s}this._startValue=e,this._endValue=i,this._valueRange=i-e}getLabelForValue(t){return Ri(t,this.chart.options.locale,this.options.ticks.format)}}class Zo extends Go{determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=X(t)?t:0,this.max=X(e)?e:1,this.handleTickRangeOptions()}computeTickLimit(){const t=this.isHorizontal(),e=t?this.width:this.height,i=It(this.options.ticks.minRotation),s=(t?Math.sin(i):Math.cos(i))||.001,n=this._resolveTickFontOptions(0);return Math.ceil(e/Math.min(40,n.lineHeight/s))}getPixelForValue(t){return null===t?NaN:this.getPixelForDecimal((t-this._startValue)/this._valueRange)}getValueForPixel(t){return this._startValue+this.getDecimalForPixel(t)*this._valueRange}}function Jo(t){return 1===t/Math.pow(10,Math.floor(Dt(t)))}Zo.id="linear",Zo.defaults={ticks:{callback:Os.formatters.numeric}};class Qo extends Bs{constructor(t){super(t),this.start=void 0,this.end=void 0,this._startValue=void 0,this._valueRange=0}parse(t,e){const i=Go.prototype.parse.apply(this,[t,e]);if(0!==i)return X(i)&&i>0?i:null;this._zero=!0}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=X(t)?Math.max(0,t):null,this.max=X(e)?Math.max(0,e):null,this.options.beginAtZero&&(this._zero=!0),this.handleTickRangeOptions()}handleTickRangeOptions(){const{minDefined:t,maxDefined:e}=this.getUserBounds();let i=this.min,s=this.max;const n=e=>i=t?i:e,o=t=>s=e?s:t,a=(t,e)=>Math.pow(10,Math.floor(Dt(t))+e);i===s&&(i<=0?(n(1),o(10)):(n(a(i,-1)),o(a(s,1)))),i<=0&&n(a(s,-1)),s<=0&&o(a(i,1)),this._zero&&this.min!==this._suggestedMin&&i===a(this.min,0)&&n(a(i,-1)),this.min=i,this.max=s}buildTicks(){const t=this.options,e=function(t,e){const i=Math.floor(Dt(e.max)),s=Math.ceil(e.max/Math.pow(10,i)),n=[];let o=q(t.min,Math.pow(10,Math.floor(Dt(e.min)))),a=Math.floor(Dt(o)),r=Math.floor(o/Math.pow(10,a)),l=a<0?Math.pow(10,Math.abs(a)):1;do{n.push({value:o,major:Jo(o)}),++r,10===r&&(r=1,++a,l=a>=0?1:l),o=Math.round(r*Math.pow(10,a)*l)/l}while(a<i||a===i&&r<s);const h=q(t.max,o);return n.push({value:h,major:Jo(o)}),n}({min:this._userMin,max:this._userMax},this);return"ticks"===t.bounds&&Et(e,this,"value"),t.reverse?(e.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),e}getLabelForValue(t){return void 0===t?"0":Ri(t,this.chart.options.locale,this.options.ticks.format)}configure(){const t=this.min;super.configure(),this._startValue=Dt(t),this._valueRange=Dt(this.max)-Dt(t)}getPixelForValue(t){return void 0!==t&&0!==t||(t=this.min),null===t||isNaN(t)?NaN:this.getPixelForDecimal(t===this.min?0:(Dt(t)-this._startValue)/this._valueRange)}getValueForPixel(t){const e=this.getDecimalForPixel(t);return Math.pow(10,this._startValue+e*this._valueRange)}}function ta(t){const e=t.ticks;if(e.display&&t.display){const t=Ne(e.backdropPadding);return K(e.font&&e.font.size,bt.font.size)+t.height}return 0}function ea(t,e,i,s,n){return t===s||t===n?{start:e-i/2,end:e+i/2}:t<s||t>n?{start:e-i,end:e}:{start:e,end:e+i}}function ia(t){const e={l:t.left+t._padding.left,r:t.right-t._padding.right,t:t.top+t._padding.top,b:t.bottom-t._padding.bottom},i=Object.assign({},e),s=[],n=[],o=t._pointLabels.length,a=t.options.pointLabels,r=a.centerPointLabels?_t/o:0;for(let d=0;d<o;d++){const o=a.setContext(t.getPointLabelContext(d));n[d]=o.padding;const u=t.getPointPosition(d,t.drawingArea+n[d],r),f=He(o.font),g=(l=t.ctx,h=f,c=Y(c=t._pointLabels[d])?c:[c],{w:qt(l,h.string,c),h:c.length*h.lineHeight});s[d]=g;const p=Nt(t.getIndexAngle(d)+r),m=Math.round(zt(p));sa(i,e,p,ea(m,u.x,g.w,0,180),ea(m,u.y,g.h,90,270))}var l,h,c;t.setCenterPoint(e.l-i.l,i.r-e.r,e.t-i.t,i.b-e.b),t._pointLabelItems=function(t,e,i){const s=[],n=t._pointLabels.length,o=t.options,a=ta(o)/2,r=t.drawingArea,l=o.pointLabels.centerPointLabels?_t/n:0;for(let o=0;o<n;o++){const n=t.getPointPosition(o,r+a+i[o],l),h=Math.round(zt(Nt(n.angle+kt))),c=e[o],d=aa(n.y,c.h,h),u=na(h),f=oa(n.x,c.w,u);s.push({x:n.x,y:d,textAlign:u,left:f,top:d,right:f+c.w,bottom:d+c.h})}return s}(t,s,n)}function sa(t,e,i,s,n){const o=Math.abs(Math.sin(i)),a=Math.abs(Math.cos(i));let r=0,l=0;s.start<e.l?(r=(e.l-s.start)/o,t.l=Math.min(t.l,e.l-r)):s.end>e.r&&(r=(s.end-e.r)/o,t.r=Math.max(t.r,e.r+r)),n.start<e.t?(l=(e.t-n.start)/a,t.t=Math.min(t.t,e.t-l)):n.end>e.b&&(l=(n.end-e.b)/a,t.b=Math.max(t.b,e.b+l))}function na(t){return 0===t||180===t?"center":t<180?"left":"right"}function oa(t,e,i){return"right"===i?t-=e:"center"===i&&(t-=e/2),t}function aa(t,e,i){return 90===i||270===i?t-=e/2:(i>270||i<90)&&(t-=e),t}function ra(t,e,i,s){const{ctx:n}=t;if(i)n.arc(t.xCenter,t.yCenter,e,0,yt);else{let i=t.getPointPosition(0,e);n.moveTo(i.x,i.y);for(let o=1;o<s;o++)i=t.getPointPosition(o,e),n.lineTo(i.x,i.y)}}Qo.id="logarithmic",Qo.defaults={ticks:{callback:Os.formatters.logarithmic,major:{enabled:!0}}};class la extends Go{constructor(t){super(t),this.xCenter=void 0,this.yCenter=void 0,this.drawingArea=void 0,this._pointLabels=[],this._pointLabelItems=[]}setDimensions(){const t=this._padding=Ne(ta(this.options)/2),e=this.width=this.maxWidth-t.width,i=this.height=this.maxHeight-t.height;this.xCenter=Math.floor(this.left+e/2+t.left),this.yCenter=Math.floor(this.top+i/2+t.top),this.drawingArea=Math.floor(Math.min(e,i)/2)}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!1);this.min=X(t)&&!isNaN(t)?t:0,this.max=X(e)&&!isNaN(e)?e:0,this.handleTickRangeOptions()}computeTickLimit(){return Math.ceil(this.drawingArea/ta(this.options))}generateTickLabels(t){Go.prototype.generateTickLabels.call(this,t),this._pointLabels=this.getLabels().map(((t,e)=>{const i=J(this.options.pointLabels.callback,[t,e],this);return i||0===i?i:""})).filter(((t,e)=>this.chart.getDataVisibility(e)))}fit(){const t=this.options;t.display&&t.pointLabels.display?ia(this):this.setCenterPoint(0,0,0,0)}setCenterPoint(t,e,i,s){this.xCenter+=Math.floor((t-e)/2),this.yCenter+=Math.floor((i-s)/2),this.drawingArea-=Math.min(this.drawingArea/2,Math.max(t,e,i,s))}getIndexAngle(t){return Nt(t*(yt/(this._pointLabels.length||1))+It(this.options.startAngle||0))}getDistanceFromCenterForValue(t){if($(t))return NaN;const e=this.drawingArea/(this.max-this.min);return this.options.reverse?(this.max-t)*e:(t-this.min)*e}getValueForDistanceFromCenter(t){if($(t))return NaN;const e=t/(this.drawingArea/(this.max-this.min));return this.options.reverse?this.max-e:this.min+e}getPointLabelContext(t){const e=this._pointLabels||[];if(t>=0&&t<e.length){const i=e[t];return function(t,e,i){return Ye(t,{label:i,index:e,type:"pointLabel"})}(this.getContext(),t,i)}}getPointPosition(t,e,i=0){const s=this.getIndexAngle(t)-kt+i;return{x:Math.cos(s)*e+this.xCenter,y:Math.sin(s)*e+this.yCenter,angle:s}}getPointPositionForValue(t,e){return this.getPointPosition(t,this.getDistanceFromCenterForValue(e))}getBasePosition(t){return this.getPointPositionForValue(t||0,this.getBaseValue())}getPointLabelPosition(t){const{left:e,top:i,right:s,bottom:n}=this._pointLabelItems[t];return{left:e,top:i,right:s,bottom:n}}drawBackground(){const{backgroundColor:t,grid:{circular:e}}=this.options;if(t){const i=this.ctx;i.save(),i.beginPath(),ra(this,this.getDistanceFromCenterForValue(this._endValue),e,this._pointLabels.length),i.closePath(),i.fillStyle=t,i.fill(),i.restore()}}drawGrid(){const t=this.ctx,e=this.options,{angleLines:i,grid:s}=e,n=this._pointLabels.length;let o,a,r;if(e.pointLabels.display&&function(t,e){const{ctx:i,options:{pointLabels:s}}=t;for(let n=e-1;n>=0;n--){const e=s.setContext(t.getPointLabelContext(n)),o=He(e.font),{x:a,y:r,textAlign:l,left:h,top:c,right:d,bottom:u}=t._pointLabelItems[n],{backdropColor:f}=e;if(!$(f)){const t=Ne(e.backdropPadding);i.fillStyle=f,i.fillRect(h-t.left,c-t.top,d-h+t.width,u-c+t.height)}se(i,t._pointLabels[n],a,r+o.lineHeight/2,o,{color:e.color,textAlign:l,textBaseline:"middle"})}}(this,n),s.display&&this.ticks.forEach(((t,e)=>{if(0!==e){a=this.getDistanceFromCenterForValue(t.value);!function(t,e,i,s){const n=t.ctx,o=e.circular,{color:a,lineWidth:r}=e;!o&&!s||!a||!r||i<0||(n.save(),n.strokeStyle=a,n.lineWidth=r,n.setLineDash(e.borderDash),n.lineDashOffset=e.borderDashOffset,n.beginPath(),ra(t,i,o,s),n.closePath(),n.stroke(),n.restore())}(this,s.setContext(this.getContext(e-1)),a,n)}})),i.display){for(t.save(),o=n-1;o>=0;o--){const s=i.setContext(this.getPointLabelContext(o)),{color:n,lineWidth:l}=s;l&&n&&(t.lineWidth=l,t.strokeStyle=n,t.setLineDash(s.borderDash),t.lineDashOffset=s.borderDashOffset,a=this.getDistanceFromCenterForValue(e.ticks.reverse?this.min:this.max),r=this.getPointPosition(o,a),t.beginPath(),t.moveTo(this.xCenter,this.yCenter),t.lineTo(r.x,r.y),t.stroke())}t.restore()}}drawBorder(){}drawLabels(){const t=this.ctx,e=this.options,i=e.ticks;if(!i.display)return;const s=this.getIndexAngle(0);let n,o;t.save(),t.translate(this.xCenter,this.yCenter),t.rotate(s),t.textAlign="center",t.textBaseline="middle",this.ticks.forEach(((s,a)=>{if(0===a&&!e.reverse)return;const r=i.setContext(this.getContext(a)),l=He(r.font);if(n=this.getDistanceFromCenterForValue(this.ticks[a].value),r.showLabelBackdrop){t.font=l.string,o=t.measureText(s.label).width,t.fillStyle=r.backdropColor;const e=Ne(r.backdropPadding);t.fillRect(-o/2-e.left,-n-l.size/2-e.top,o+e.width,l.size+e.height)}se(t,s.label,0,-n,l,{color:r.color})})),t.restore()}drawTitle(){}}la.id="radialLinear",la.defaults={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,lineWidth:1,borderDash:[],borderDashOffset:0},grid:{circular:!1},startAngle:0,ticks:{showLabelBackdrop:!0,callback:Os.formatters.numeric},pointLabels:{backdropColor:void 0,backdropPadding:2,display:!0,font:{size:10},callback:t=>t,padding:5,centerPointLabels:!1}},la.defaultRoutes={"angleLines.color":"borderColor","pointLabels.color":"color","ticks.color":"color"},la.descriptors={angleLines:{_fallback:"grid"}};const ha={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!1,size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},ca=Object.keys(ha);function da(t,e){return t-e}function ua(t,e){if($(e))return null;const i=t._adapter,{parser:s,round:n,isoWeekday:o}=t._parseOpts;let a=e;return"function"==typeof s&&(a=s(a)),X(a)||(a="string"==typeof s?i.parse(a,s):i.parse(a)),null===a?null:(n&&(a="week"!==n||!Tt(o)&&!0!==o?i.startOf(a,n):i.startOf(a,"isoWeek",o)),+a)}function fa(t,e,i,s){const n=ca.length;for(let o=ca.indexOf(t);o<n-1;++o){const t=ha[ca[o]],n=t.steps?t.steps:Number.MAX_SAFE_INTEGER;if(t.common&&Math.ceil((i-e)/(n*t.size))<=s)return ca[o]}return ca[n-1]}function ga(t,e,i){if(i){if(i.length){const{lo:s,hi:n}=ae(i,e);t[i[s]>=e?i[s]:i[n]]=!0}}else t[e]=!0}function pa(t,e,i){const s=[],n={},o=e.length;let a,r;for(a=0;a<o;++a)r=e[a],n[r]=a,s.push({value:r,major:!1});return 0!==o&&i?function(t,e,i,s){const n=t._adapter,o=+n.startOf(e[0].value,s),a=e[e.length-1].value;let r,l;for(r=o;r<=a;r=+n.add(r,1,s))l=i[r],l>=0&&(e[l].major=!0);return e}(t,s,n,i):s}class ma extends Bs{constructor(t){super(t),this._cache={data:[],labels:[],all:[]},this._unit="day",this._majorUnit=void 0,this._offsets={},this._normalized=!1,this._parseOpts=void 0}init(t,e){const i=t.time||(t.time={}),s=this._adapter=new mn._date(t.adapters.date);ot(i.displayFormats,s.formats()),this._parseOpts={parser:i.parser,round:i.round,isoWeekday:i.isoWeekday},super.init(t),this._normalized=e.normalized}parse(t,e){return void 0===t?null:ua(this,t)}beforeLayout(){super.beforeLayout(),this._cache={data:[],labels:[],all:[]}}determineDataLimits(){const t=this.options,e=this._adapter,i=t.time.unit||"day";let{min:s,max:n,minDefined:o,maxDefined:a}=this.getUserBounds();function r(t){o||isNaN(t.min)||(s=Math.min(s,t.min)),a||isNaN(t.max)||(n=Math.max(n,t.max))}o&&a||(r(this._getLabelBounds()),"ticks"===t.bounds&&"labels"===t.ticks.source||r(this.getMinMax(!1))),s=X(s)&&!isNaN(s)?s:+e.startOf(Date.now(),i),n=X(n)&&!isNaN(n)?n:+e.endOf(Date.now(),i)+1,this.min=Math.min(s,n-1),this.max=Math.max(s+1,n)}_getLabelBounds(){const t=this.getLabelTimestamps();let e=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;return t.length&&(e=t[0],i=t[t.length-1]),{min:e,max:i}}buildTicks(){const t=this.options,e=t.time,i=t.ticks,s="labels"===i.source?this.getLabelTimestamps():this._generate();"ticks"===t.bounds&&s.length&&(this.min=this._userMin||s[0],this.max=this._userMax||s[s.length-1]);const n=this.min,o=he(s,n,this.max);return this._unit=e.unit||(i.autoSkip?fa(e.minUnit,this.min,this.max,this._getLabelCapacity(n)):function(t,e,i,s,n){for(let o=ca.length-1;o>=ca.indexOf(i);o--){const i=ca[o];if(ha[i].common&&t._adapter.diff(n,s,i)>=e-1)return i}return ca[i?ca.indexOf(i):0]}(this,o.length,e.minUnit,this.min,this.max)),this._majorUnit=i.major.enabled&&"year"!==this._unit?function(t){for(let e=ca.indexOf(t)+1,i=ca.length;e<i;++e)if(ha[ca[e]].common)return ca[e]}(this._unit):void 0,this.initOffsets(s),t.reverse&&o.reverse(),pa(this,o,this._majorUnit)}initOffsets(t){let e,i,s=0,n=0;this.options.offset&&t.length&&(e=this.getDecimalForValue(t[0]),s=1===t.length?1-e:(this.getDecimalForValue(t[1])-e)/2,i=this.getDecimalForValue(t[t.length-1]),n=1===t.length?i:(i-this.getDecimalForValue(t[t.length-2]))/2);const o=t.length<3?.5:.25;s=jt(s,0,o),n=jt(n,0,o),this._offsets={start:s,end:n,factor:1/(s+1+n)}}_generate(){const t=this._adapter,e=this.min,i=this.max,s=this.options,n=s.time,o=n.unit||fa(n.minUnit,e,i,this._getLabelCapacity(e)),a=K(n.stepSize,1),r="week"===o&&n.isoWeekday,l=Tt(r)||!0===r,h={};let c,d,u=e;if(l&&(u=+t.startOf(u,"isoWeek",r)),u=+t.startOf(u,l?"day":o),t.diff(i,e,o)>1e5*a)throw new Error(e+" and "+i+" are too far apart with stepSize of "+a+" "+o);const f="data"===s.ticks.source&&this.getDataTimestamps();for(c=u,d=0;c<i;c=+t.add(c,a,o),d++)ga(h,c,f);return c!==i&&"ticks"!==s.bounds&&1!==d||ga(h,c,f),Object.keys(h).sort(((t,e)=>t-e)).map((t=>+t))}getLabelForValue(t){const e=this._adapter,i=this.options.time;return i.tooltipFormat?e.format(t,i.tooltipFormat):e.format(t,i.displayFormats.datetime)}_tickFormatFunction(t,e,i,s){const n=this.options,o=n.time.displayFormats,a=this._unit,r=this._majorUnit,l=a&&o[a],h=r&&o[r],c=i[e],d=r&&h&&c&&c.major,u=this._adapter.format(t,s||(d?h:l)),f=n.ticks.callback;return f?J(f,[u,e,i],this):u}generateTickLabels(t){let e,i,s;for(e=0,i=t.length;e<i;++e)s=t[e],s.label=this._tickFormatFunction(s.value,e,t)}getDecimalForValue(t){return null===t?NaN:(t-this.min)/(this.max-this.min)}getPixelForValue(t){const e=this._offsets,i=this.getDecimalForValue(t);return this.getPixelForDecimal((e.start+i)*e.factor)}getValueForPixel(t){const e=this._offsets,i=this.getDecimalForPixel(t)/e.factor-e.end;return this.min+i*(this.max-this.min)}_getLabelSize(t){const e=this.options.ticks,i=this.ctx.measureText(t).width,s=It(this.isHorizontal()?e.maxRotation:e.minRotation),n=Math.cos(s),o=Math.sin(s),a=this._resolveTickFontOptions(0).size;return{w:i*n+a*o,h:i*o+a*n}}_getLabelCapacity(t){const e=this.options.time,i=e.displayFormats,s=i[e.unit]||i.millisecond,n=this._tickFormatFunction(t,0,pa(this,[t],this._majorUnit),s),o=this._getLabelSize(n),a=Math.floor(this.isHorizontal()?this.width/o.w:this.height/o.h)-1;return a>0?a:1}getDataTimestamps(){let t,e,i=this._cache.data||[];if(i.length)return i;const s=this.getMatchingVisibleMetas();if(this._normalized&&s.length)return this._cache.data=s[0].controller.getAllParsedValues(this);for(t=0,e=s.length;t<e;++t)i=i.concat(s[t].controller.getAllParsedValues(this));return this._cache.data=this.normalize(i)}getLabelTimestamps(){const t=this._cache.labels||[];let e,i;if(t.length)return t;const s=this.getLabels();for(e=0,i=s.length;e<i;++e)t.push(ua(this,s[e]));return this._cache.labels=this._normalized?t:this.normalize(t)}normalize(t){return fe(t.sort(da))}}function xa(t,e,i){let s,n,o,a,r=0,l=t.length-1;i?(e>=t[r].pos&&e<=t[l].pos&&({lo:r,hi:l}=re(t,"pos",e)),({pos:s,time:o}=t[r]),({pos:n,time:a}=t[l])):(e>=t[r].time&&e<=t[l].time&&({lo:r,hi:l}=re(t,"time",e)),({time:s,pos:o}=t[r]),({time:n,pos:a}=t[l]));const h=n-s;return h?o+(a-o)*(e-s)/h:o}ma.id="time",ma.defaults={bounds:"data",adapters:{},time:{parser:!1,unit:!1,round:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{source:"auto",major:{enabled:!1}}};class ba extends ma{constructor(t){super(t),this._table=[],this._minPos=void 0,this._tableRange=void 0}initOffsets(){const t=this._getTimestampsForTable(),e=this._table=this.buildLookupTable(t);this._minPos=xa(e,this.min),this._tableRange=xa(e,this.max)-this._minPos,super.initOffsets(t)}buildLookupTable(t){const{min:e,max:i}=this,s=[],n=[];let o,a,r,l,h;for(o=0,a=t.length;o<a;++o)l=t[o],l>=e&&l<=i&&s.push(l);if(s.length<2)return[{time:e,pos:0},{time:i,pos:1}];for(o=0,a=s.length;o<a;++o)h=s[o+1],r=s[o-1],l=s[o],Math.round((h+r)/2)!==l&&n.push({time:l,pos:o/(a-1)});return n}_getTimestampsForTable(){let t=this._cache.all||[];if(t.length)return t;const e=this.getDataTimestamps(),i=this.getLabelTimestamps();return t=e.length&&i.length?this.normalize(e.concat(i)):e.length?e:i,t=this._cache.all=t,t}getDecimalForValue(t){return(xa(this._table,t)-this._minPos)/this._tableRange}getValueForPixel(t){const e=this._offsets,i=this.getDecimalForPixel(t)/e.factor-e.end;return xa(this._table,i*this._tableRange+this._minPos,!0)}}ba.id="timeseries",ba.defaults=ma.defaults;var _a=Object.freeze({__proto__:null,CategoryScale:qo,LinearScale:Zo,LogarithmicScale:Qo,RadialLinearScale:la,TimeScale:ma,TimeSeriesScale:ba});return dn.register(Rn,_a,no,Uo),dn.helpers={...Yi},dn._adapters=mn,dn.Animation=us,dn.Animations=gs,dn.animator=a,dn.controllers=Ws.controllers.items,dn.DatasetController=Ps,dn.Element=Ds,dn.elements=no,dn.Interaction=Ee,dn.layouts=ni,dn.platforms=hs,dn.Scale=Bs,dn.Ticks=Os,Object.assign(dn,Rn,_a,no,Uo,hs),dn.Chart=dn,"undefined"!=typeof window&&(window.Chart=dn),dn}));
diff --git a/NEMO/apps/sensors/static/sensors/chartjs-adapter-moment.js b/NEMO/apps/sensors/static/sensors/chartjs-adapter-moment.js
new file mode 100644
index 00000000..c9fc7e0f
--- /dev/null
+++ b/NEMO/apps/sensors/static/sensors/chartjs-adapter-moment.js
@@ -0,0 +1,7 @@
+/*!
+  * chartjs-adapter-moment v1.0.0
+  * https://www.chartjs.org
+  * (c) 2021 chartjs-adapter-moment Contributors
+  * Released under the MIT license
+  */
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(require("moment"),require("chart.js")):"function"==typeof define&&define.amd?define(["moment","chart.js"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).moment,e.Chart)}(this,(function(e,t){"use strict";function n(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var f=n(e);const a={datetime:"MMM D, YYYY, h:mm:ss a",millisecond:"h:mm:ss.SSS a",second:"h:mm:ss a",minute:"h:mm a",hour:"hA",day:"MMM D",week:"ll",month:"MMM YYYY",quarter:"[Q]Q - YYYY",year:"YYYY"};t._adapters._date.override("function"==typeof f.default?{_id:"moment",formats:function(){return a},parse:function(e,t){return"string"==typeof e&&"string"==typeof t?e=f.default(e,t):e instanceof f.default||(e=f.default(e)),e.isValid()?e.valueOf():null},format:function(e,t){return f.default(e).format(t)},add:function(e,t,n){return f.default(e).add(t,n).valueOf()},diff:function(e,t,n){return f.default(e).diff(f.default(t),n)},startOf:function(e,t,n){return e=f.default(e),"isoWeek"===t?(n=Math.trunc(Math.min(Math.max(0,n),6)),e.isoWeekday(n).startOf("day").valueOf()):e.startOf(t).valueOf()},endOf:function(e,t){return f.default(e).endOf(t).valueOf()}}:{})}));
diff --git a/NEMO/apps/sensors/static/sensors/daterangepicker.css b/NEMO/apps/sensors/static/sensors/daterangepicker.css
new file mode 100644
index 00000000..a9638049
--- /dev/null
+++ b/NEMO/apps/sensors/static/sensors/daterangepicker.css
@@ -0,0 +1,410 @@
+.daterangepicker {
+  position: absolute;
+  color: inherit;
+  background-color: #fff;
+  border-radius: 4px;
+  border: 1px solid #ddd;
+  width: 278px;
+  max-width: none;
+  padding: 0;
+  margin-top: 7px;
+  top: 100px;
+  left: 20px;
+  z-index: 3001;
+  display: none;
+  font-family: arial;
+  font-size: 15px;
+  line-height: 1em;
+}
+
+.daterangepicker:before, .daterangepicker:after {
+  position: absolute;
+  display: inline-block;
+  border-bottom-color: rgba(0, 0, 0, 0.2);
+  content: '';
+}
+
+.daterangepicker:before {
+  top: -7px;
+  border-right: 7px solid transparent;
+  border-left: 7px solid transparent;
+  border-bottom: 7px solid #ccc;
+}
+
+.daterangepicker:after {
+  top: -6px;
+  border-right: 6px solid transparent;
+  border-bottom: 6px solid #fff;
+  border-left: 6px solid transparent;
+}
+
+.daterangepicker.opensleft:before {
+  right: 9px;
+}
+
+.daterangepicker.opensleft:after {
+  right: 10px;
+}
+
+.daterangepicker.openscenter:before {
+  left: 0;
+  right: 0;
+  width: 0;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.daterangepicker.openscenter:after {
+  left: 0;
+  right: 0;
+  width: 0;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.daterangepicker.opensright:before {
+  left: 9px;
+}
+
+.daterangepicker.opensright:after {
+  left: 10px;
+}
+
+.daterangepicker.drop-up {
+  margin-top: -7px;
+}
+
+.daterangepicker.drop-up:before {
+  top: initial;
+  bottom: -7px;
+  border-bottom: initial;
+  border-top: 7px solid #ccc;
+}
+
+.daterangepicker.drop-up:after {
+  top: initial;
+  bottom: -6px;
+  border-bottom: initial;
+  border-top: 6px solid #fff;
+}
+
+.daterangepicker.single .daterangepicker .ranges, .daterangepicker.single .drp-calendar {
+  float: none;
+}
+
+.daterangepicker.single .drp-selected {
+  display: none;
+}
+
+.daterangepicker.show-calendar .drp-calendar {
+  display: block;
+}
+
+.daterangepicker.show-calendar .drp-buttons {
+  display: block;
+}
+
+.daterangepicker.auto-apply .drp-buttons {
+  display: none;
+}
+
+.daterangepicker .drp-calendar {
+  display: none;
+  max-width: 270px;
+}
+
+.daterangepicker .drp-calendar.left {
+  padding: 8px 0 8px 8px;
+}
+
+.daterangepicker .drp-calendar.right {
+  padding: 8px;
+}
+
+.daterangepicker .drp-calendar.single .calendar-table {
+  border: none;
+}
+
+.daterangepicker .calendar-table .next span, .daterangepicker .calendar-table .prev span {
+  color: #fff;
+  border: solid black;
+  border-width: 0 2px 2px 0;
+  border-radius: 0;
+  display: inline-block;
+  padding: 3px;
+}
+
+.daterangepicker .calendar-table .next span {
+  transform: rotate(-45deg);
+  -webkit-transform: rotate(-45deg);
+}
+
+.daterangepicker .calendar-table .prev span {
+  transform: rotate(135deg);
+  -webkit-transform: rotate(135deg);
+}
+
+.daterangepicker .calendar-table th, .daterangepicker .calendar-table td {
+  white-space: nowrap;
+  text-align: center;
+  vertical-align: middle;
+  min-width: 32px;
+  width: 32px;
+  height: 24px;
+  line-height: 24px;
+  font-size: 12px;
+  border-radius: 4px;
+  border: 1px solid transparent;
+  white-space: nowrap;
+  cursor: pointer;
+}
+
+.daterangepicker .calendar-table {
+  border: 1px solid #fff;
+  border-radius: 4px;
+  background-color: #fff;
+}
+
+.daterangepicker .calendar-table table {
+  width: 100%;
+  margin: 0;
+  border-spacing: 0;
+  border-collapse: collapse;
+}
+
+.daterangepicker td.available:hover, .daterangepicker th.available:hover {
+  background-color: #eee;
+  border-color: transparent;
+  color: inherit;
+}
+
+.daterangepicker td.week, .daterangepicker th.week {
+  font-size: 80%;
+  color: #ccc;
+}
+
+.daterangepicker td.off, .daterangepicker td.off.in-range, .daterangepicker td.off.start-date, .daterangepicker td.off.end-date {
+  background-color: #fff;
+  border-color: transparent;
+  color: #999;
+}
+
+.daterangepicker td.in-range {
+  background-color: #ebf4f8;
+  border-color: transparent;
+  color: #000;
+  border-radius: 0;
+}
+
+.daterangepicker td.start-date {
+  border-radius: 4px 0 0 4px;
+}
+
+.daterangepicker td.end-date {
+  border-radius: 0 4px 4px 0;
+}
+
+.daterangepicker td.start-date.end-date {
+  border-radius: 4px;
+}
+
+.daterangepicker td.active, .daterangepicker td.active:hover {
+  background-color: #357ebd;
+  border-color: transparent;
+  color: #fff;
+}
+
+.daterangepicker th.month {
+  width: auto;
+}
+
+.daterangepicker td.disabled, .daterangepicker option.disabled {
+  color: #999;
+  cursor: not-allowed;
+  text-decoration: line-through;
+}
+
+.daterangepicker select.monthselect, .daterangepicker select.yearselect {
+  font-size: 12px;
+  padding: 1px;
+  height: auto;
+  margin: 0;
+  cursor: default;
+}
+
+.daterangepicker select.monthselect {
+  margin-right: 2%;
+  width: 56%;
+}
+
+.daterangepicker select.yearselect {
+  width: 40%;
+}
+
+.daterangepicker select.hourselect, .daterangepicker select.minuteselect, .daterangepicker select.secondselect, .daterangepicker select.ampmselect {
+  width: 50px;
+  margin: 0 auto;
+  background: #eee;
+  border: 1px solid #eee;
+  padding: 2px;
+  outline: 0;
+  font-size: 12px;
+}
+
+.daterangepicker .calendar-time {
+  text-align: center;
+  margin: 4px auto 0 auto;
+  line-height: 30px;
+  position: relative;
+}
+
+.daterangepicker .calendar-time select.disabled {
+  color: #ccc;
+  cursor: not-allowed;
+}
+
+.daterangepicker .drp-buttons {
+  clear: both;
+  text-align: right;
+  padding: 8px;
+  border-top: 1px solid #ddd;
+  display: none;
+  line-height: 12px;
+  vertical-align: middle;
+}
+
+.daterangepicker .drp-selected {
+  display: inline-block;
+  font-size: 12px;
+  padding-right: 8px;
+}
+
+.daterangepicker .drp-buttons .btn {
+  margin-left: 8px;
+  font-size: 12px;
+  font-weight: bold;
+  padding: 4px 8px;
+}
+
+.daterangepicker.show-ranges.single.rtl .drp-calendar.left {
+  border-right: 1px solid #ddd;
+}
+
+.daterangepicker.show-ranges.single.ltr .drp-calendar.left {
+  border-left: 1px solid #ddd;
+}
+
+.daterangepicker.show-ranges.rtl .drp-calendar.right {
+  border-right: 1px solid #ddd;
+}
+
+.daterangepicker.show-ranges.ltr .drp-calendar.left {
+  border-left: 1px solid #ddd;
+}
+
+.daterangepicker .ranges {
+  float: none;
+  text-align: left;
+  margin: 0;
+}
+
+.daterangepicker.show-calendar .ranges {
+  margin-top: 8px;
+}
+
+.daterangepicker .ranges ul {
+  list-style: none;
+  margin: 0 auto;
+  padding: 0;
+  width: 100%;
+}
+
+.daterangepicker .ranges li {
+  font-size: 12px;
+  padding: 8px 12px;
+  cursor: pointer;
+}
+
+.daterangepicker .ranges li:hover {
+  background-color: #eee;
+}
+
+.daterangepicker .ranges li.active {
+  background-color: #08c;
+  color: #fff;
+}
+
+/*  Larger Screen Styling */
+@media (min-width: 564px) {
+  .daterangepicker {
+    width: auto;
+  }
+
+  .daterangepicker .ranges ul {
+    width: 140px;
+  }
+
+  .daterangepicker.single .ranges ul {
+    width: 100%;
+  }
+
+  .daterangepicker.single .drp-calendar.left {
+    clear: none;
+  }
+
+  .daterangepicker.single .ranges, .daterangepicker.single .drp-calendar {
+    float: left;
+  }
+
+  .daterangepicker {
+    direction: ltr;
+    text-align: left;
+  }
+
+  .daterangepicker .drp-calendar.left {
+    clear: left;
+    margin-right: 0;
+  }
+
+  .daterangepicker .drp-calendar.left .calendar-table {
+    border-right: none;
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+  }
+
+  .daterangepicker .drp-calendar.right {
+    margin-left: 0;
+  }
+
+  .daterangepicker .drp-calendar.right .calendar-table {
+    border-left: none;
+    border-top-left-radius: 0;
+    border-bottom-left-radius: 0;
+  }
+
+  .daterangepicker .drp-calendar.left .calendar-table {
+    padding-right: 8px;
+  }
+
+  .daterangepicker .ranges, .daterangepicker .drp-calendar {
+    float: left;
+  }
+}
+
+@media (min-width: 730px) {
+  .daterangepicker .ranges {
+    width: auto;
+  }
+
+  .daterangepicker .ranges {
+    float: left;
+  }
+
+  .daterangepicker.rtl .ranges {
+    float: right;
+  }
+
+  .daterangepicker .drp-calendar.left {
+    clear: none !important;
+  }
+}
diff --git a/NEMO/apps/sensors/static/sensors/daterangepicker.js b/NEMO/apps/sensors/static/sensors/daterangepicker.js
new file mode 100644
index 00000000..5f7d304b
--- /dev/null
+++ b/NEMO/apps/sensors/static/sensors/daterangepicker.js
@@ -0,0 +1,1578 @@
+/**
+* @version: 3.1
+* @author: Dan Grossman http://www.dangrossman.info/
+* @copyright: Copyright (c) 2012-2019 Dan Grossman. All rights reserved.
+* @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
+* @website: http://www.daterangepicker.com/
+*/
+// Following the UMD template https://github.com/umdjs/umd/blob/master/templates/returnExportsGlobal.js
+(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Make globaly available as well
+        define(['moment', 'jquery'], function (moment, jquery) {
+            if (!jquery.fn) jquery.fn = {}; // webpack server rendering
+            if (typeof moment !== 'function' && moment.hasOwnProperty('default')) moment = moment['default']
+            return factory(moment, jquery);
+        });
+    } else if (typeof module === 'object' && module.exports) {
+        // Node / Browserify
+        //isomorphic issue
+        var jQuery = (typeof window != 'undefined') ? window.jQuery : undefined;
+        if (!jQuery) {
+            jQuery = require('jquery');
+            if (!jQuery.fn) jQuery.fn = {};
+        }
+        var moment = (typeof window != 'undefined' && typeof window.moment != 'undefined') ? window.moment : require('moment');
+        module.exports = factory(moment, jQuery);
+    } else {
+        // Browser globals
+        root.daterangepicker = factory(root.moment, root.jQuery);
+    }
+}(typeof window !== 'undefined' ? window : this, function(moment, $) {
+    var DateRangePicker = function(element, options, cb) {
+
+        //default settings for options
+        this.parentEl = 'body';
+        this.element = $(element);
+        this.startDate = moment().startOf('day');
+        this.endDate = moment().endOf('day');
+        this.minDate = false;
+        this.maxDate = false;
+        this.maxSpan = false;
+        this.autoApply = false;
+        this.singleDatePicker = false;
+        this.showDropdowns = false;
+        this.minYear = moment().subtract(100, 'year').format('YYYY');
+        this.maxYear = moment().add(100, 'year').format('YYYY');
+        this.showWeekNumbers = false;
+        this.showISOWeekNumbers = false;
+        this.showCustomRangeLabel = true;
+        this.timePicker = false;
+        this.timePicker24Hour = false;
+        this.timePickerIncrement = 1;
+        this.timePickerSeconds = false;
+        this.linkedCalendars = true;
+        this.autoUpdateInput = true;
+        this.alwaysShowCalendars = false;
+        this.ranges = {};
+
+        this.opens = 'right';
+        if (this.element.hasClass('pull-right'))
+            this.opens = 'left';
+
+        this.drops = 'down';
+        if (this.element.hasClass('dropup'))
+            this.drops = 'up';
+
+        this.buttonClasses = 'btn btn-sm';
+        this.applyButtonClasses = 'btn-primary';
+        this.cancelButtonClasses = 'btn-default';
+
+        this.locale = {
+            direction: 'ltr',
+            format: moment.localeData().longDateFormat('L'),
+            separator: ' - ',
+            applyLabel: 'Apply',
+            cancelLabel: 'Cancel',
+            weekLabel: 'W',
+            customRangeLabel: 'Custom Range',
+            daysOfWeek: moment.weekdaysMin(),
+            monthNames: moment.monthsShort(),
+            firstDay: moment.localeData().firstDayOfWeek()
+        };
+
+        this.callback = function() { };
+
+        //some state information
+        this.isShowing = false;
+        this.leftCalendar = {};
+        this.rightCalendar = {};
+
+        //custom options from user
+        if (typeof options !== 'object' || options === null)
+            options = {};
+
+        //allow setting options with data attributes
+        //data-api options will be overwritten with custom javascript options
+        options = $.extend(this.element.data(), options);
+
+        //html template for the picker UI
+        if (typeof options.template !== 'string' && !(options.template instanceof $))
+            options.template =
+            '<div class="daterangepicker">' +
+                '<div class="ranges"></div>' +
+                '<div class="drp-calendar left">' +
+                    '<div class="calendar-table"></div>' +
+                    '<div class="calendar-time"></div>' +
+                '</div>' +
+                '<div class="drp-calendar right">' +
+                    '<div class="calendar-table"></div>' +
+                    '<div class="calendar-time"></div>' +
+                '</div>' +
+                '<div class="drp-buttons">' +
+                    '<span class="drp-selected"></span>' +
+                    '<button class="cancelBtn" type="button"></button>' +
+                    '<button class="applyBtn" disabled="disabled" type="button"></button> ' +
+                '</div>' +
+            '</div>';
+
+        this.parentEl = (options.parentEl && $(options.parentEl).length) ? $(options.parentEl) : $(this.parentEl);
+        this.container = $(options.template).appendTo(this.parentEl);
+
+        //
+        // handle all the possible options overriding defaults
+        //
+
+        if (typeof options.locale === 'object') {
+
+            if (typeof options.locale.direction === 'string')
+                this.locale.direction = options.locale.direction;
+
+            if (typeof options.locale.format === 'string')
+                this.locale.format = options.locale.format;
+
+            if (typeof options.locale.separator === 'string')
+                this.locale.separator = options.locale.separator;
+
+            if (typeof options.locale.daysOfWeek === 'object')
+                this.locale.daysOfWeek = options.locale.daysOfWeek.slice();
+
+            if (typeof options.locale.monthNames === 'object')
+              this.locale.monthNames = options.locale.monthNames.slice();
+
+            if (typeof options.locale.firstDay === 'number')
+              this.locale.firstDay = options.locale.firstDay;
+
+            if (typeof options.locale.applyLabel === 'string')
+              this.locale.applyLabel = options.locale.applyLabel;
+
+            if (typeof options.locale.cancelLabel === 'string')
+              this.locale.cancelLabel = options.locale.cancelLabel;
+
+            if (typeof options.locale.weekLabel === 'string')
+              this.locale.weekLabel = options.locale.weekLabel;
+
+            if (typeof options.locale.customRangeLabel === 'string'){
+                //Support unicode chars in the custom range name.
+                var elem = document.createElement('textarea');
+                elem.innerHTML = options.locale.customRangeLabel;
+                var rangeHtml = elem.value;
+                this.locale.customRangeLabel = rangeHtml;
+            }
+        }
+        this.container.addClass(this.locale.direction);
+
+        if (typeof options.startDate === 'string')
+            this.startDate = moment(options.startDate, this.locale.format);
+
+        if (typeof options.endDate === 'string')
+            this.endDate = moment(options.endDate, this.locale.format);
+
+        if (typeof options.minDate === 'string')
+            this.minDate = moment(options.minDate, this.locale.format);
+
+        if (typeof options.maxDate === 'string')
+            this.maxDate = moment(options.maxDate, this.locale.format);
+
+        if (typeof options.startDate === 'object')
+            this.startDate = moment(options.startDate);
+
+        if (typeof options.endDate === 'object')
+            this.endDate = moment(options.endDate);
+
+        if (typeof options.minDate === 'object')
+            this.minDate = moment(options.minDate);
+
+        if (typeof options.maxDate === 'object')
+            this.maxDate = moment(options.maxDate);
+
+        // sanity check for bad options
+        if (this.minDate && this.startDate.isBefore(this.minDate))
+            this.startDate = this.minDate.clone();
+
+        // sanity check for bad options
+        if (this.maxDate && this.endDate.isAfter(this.maxDate))
+            this.endDate = this.maxDate.clone();
+
+        if (typeof options.applyButtonClasses === 'string')
+            this.applyButtonClasses = options.applyButtonClasses;
+
+        if (typeof options.applyClass === 'string') //backwards compat
+            this.applyButtonClasses = options.applyClass;
+
+        if (typeof options.cancelButtonClasses === 'string')
+            this.cancelButtonClasses = options.cancelButtonClasses;
+
+        if (typeof options.cancelClass === 'string') //backwards compat
+            this.cancelButtonClasses = options.cancelClass;
+
+        if (typeof options.maxSpan === 'object')
+            this.maxSpan = options.maxSpan;
+
+        if (typeof options.dateLimit === 'object') //backwards compat
+            this.maxSpan = options.dateLimit;
+
+        if (typeof options.opens === 'string')
+            this.opens = options.opens;
+
+        if (typeof options.drops === 'string')
+            this.drops = options.drops;
+
+        if (typeof options.showWeekNumbers === 'boolean')
+            this.showWeekNumbers = options.showWeekNumbers;
+
+        if (typeof options.showISOWeekNumbers === 'boolean')
+            this.showISOWeekNumbers = options.showISOWeekNumbers;
+
+        if (typeof options.buttonClasses === 'string')
+            this.buttonClasses = options.buttonClasses;
+
+        if (typeof options.buttonClasses === 'object')
+            this.buttonClasses = options.buttonClasses.join(' ');
+
+        if (typeof options.showDropdowns === 'boolean')
+            this.showDropdowns = options.showDropdowns;
+
+        if (typeof options.minYear === 'number')
+            this.minYear = options.minYear;
+
+        if (typeof options.maxYear === 'number')
+            this.maxYear = options.maxYear;
+
+        if (typeof options.showCustomRangeLabel === 'boolean')
+            this.showCustomRangeLabel = options.showCustomRangeLabel;
+
+        if (typeof options.singleDatePicker === 'boolean') {
+            this.singleDatePicker = options.singleDatePicker;
+            if (this.singleDatePicker)
+                this.endDate = this.startDate.clone();
+        }
+
+        if (typeof options.timePicker === 'boolean')
+            this.timePicker = options.timePicker;
+
+        if (typeof options.timePickerSeconds === 'boolean')
+            this.timePickerSeconds = options.timePickerSeconds;
+
+        if (typeof options.timePickerIncrement === 'number')
+            this.timePickerIncrement = options.timePickerIncrement;
+
+        if (typeof options.timePicker24Hour === 'boolean')
+            this.timePicker24Hour = options.timePicker24Hour;
+
+        if (typeof options.autoApply === 'boolean')
+            this.autoApply = options.autoApply;
+
+        if (typeof options.autoUpdateInput === 'boolean')
+            this.autoUpdateInput = options.autoUpdateInput;
+
+        if (typeof options.linkedCalendars === 'boolean')
+            this.linkedCalendars = options.linkedCalendars;
+
+        if (typeof options.isInvalidDate === 'function')
+            this.isInvalidDate = options.isInvalidDate;
+
+        if (typeof options.isCustomDate === 'function')
+            this.isCustomDate = options.isCustomDate;
+
+        if (typeof options.alwaysShowCalendars === 'boolean')
+            this.alwaysShowCalendars = options.alwaysShowCalendars;
+
+        // update day names order to firstDay
+        if (this.locale.firstDay != 0) {
+            var iterator = this.locale.firstDay;
+            while (iterator > 0) {
+                this.locale.daysOfWeek.push(this.locale.daysOfWeek.shift());
+                iterator--;
+            }
+        }
+
+        var start, end, range;
+
+        //if no start/end dates set, check if an input element contains initial values
+        if (typeof options.startDate === 'undefined' && typeof options.endDate === 'undefined') {
+            if ($(this.element).is(':text')) {
+                var val = $(this.element).val(),
+                    split = val.split(this.locale.separator);
+
+                start = end = null;
+
+                if (split.length == 2) {
+                    start = moment(split[0], this.locale.format);
+                    end = moment(split[1], this.locale.format);
+                } else if (this.singleDatePicker && val !== "") {
+                    start = moment(val, this.locale.format);
+                    end = moment(val, this.locale.format);
+                }
+                if (start !== null && end !== null) {
+                    this.setStartDate(start);
+                    this.setEndDate(end);
+                }
+            }
+        }
+
+        if (typeof options.ranges === 'object') {
+            for (range in options.ranges) {
+
+                if (typeof options.ranges[range][0] === 'string')
+                    start = moment(options.ranges[range][0], this.locale.format);
+                else
+                    start = moment(options.ranges[range][0]);
+
+                if (typeof options.ranges[range][1] === 'string')
+                    end = moment(options.ranges[range][1], this.locale.format);
+                else
+                    end = moment(options.ranges[range][1]);
+
+                // If the start or end date exceed those allowed by the minDate or maxSpan
+                // options, shorten the range to the allowable period.
+                if (this.minDate && start.isBefore(this.minDate))
+                    start = this.minDate.clone();
+
+                var maxDate = this.maxDate;
+                if (this.maxSpan && maxDate && start.clone().add(this.maxSpan).isAfter(maxDate))
+                    maxDate = start.clone().add(this.maxSpan);
+                if (maxDate && end.isAfter(maxDate))
+                    end = maxDate.clone();
+
+                // If the end of the range is before the minimum or the start of the range is
+                // after the maximum, don't display this range option at all.
+                if ((this.minDate && end.isBefore(this.minDate, this.timepicker ? 'minute' : 'day'))
+                  || (maxDate && start.isAfter(maxDate, this.timepicker ? 'minute' : 'day')))
+                    continue;
+
+                //Support unicode chars in the range names.
+                var elem = document.createElement('textarea');
+                elem.innerHTML = range;
+                var rangeHtml = elem.value;
+
+                this.ranges[rangeHtml] = [start, end];
+            }
+
+            var list = '<ul>';
+            for (range in this.ranges) {
+                list += '<li data-range-key="' + range + '">' + range + '</li>';
+            }
+            if (this.showCustomRangeLabel) {
+                list += '<li data-range-key="' + this.locale.customRangeLabel + '">' + this.locale.customRangeLabel + '</li>';
+            }
+            list += '</ul>';
+            this.container.find('.ranges').prepend(list);
+        }
+
+        if (typeof cb === 'function') {
+            this.callback = cb;
+        }
+
+        if (!this.timePicker) {
+            this.startDate = this.startDate.startOf('day');
+            this.endDate = this.endDate.endOf('day');
+            this.container.find('.calendar-time').hide();
+        }
+
+        //can't be used together for now
+        if (this.timePicker && this.autoApply)
+            this.autoApply = false;
+
+        if (this.autoApply) {
+            this.container.addClass('auto-apply');
+        }
+
+        if (typeof options.ranges === 'object')
+            this.container.addClass('show-ranges');
+
+        if (this.singleDatePicker) {
+            this.container.addClass('single');
+            this.container.find('.drp-calendar.left').addClass('single');
+            this.container.find('.drp-calendar.left').show();
+            this.container.find('.drp-calendar.right').hide();
+            if (!this.timePicker && this.autoApply) {
+                this.container.addClass('auto-apply');
+            }
+        }
+
+        if ((typeof options.ranges === 'undefined' && !this.singleDatePicker) || this.alwaysShowCalendars) {
+            this.container.addClass('show-calendar');
+        }
+
+        this.container.addClass('opens' + this.opens);
+
+        //apply CSS classes and labels to buttons
+        this.container.find('.applyBtn, .cancelBtn').addClass(this.buttonClasses);
+        if (this.applyButtonClasses.length)
+            this.container.find('.applyBtn').addClass(this.applyButtonClasses);
+        if (this.cancelButtonClasses.length)
+            this.container.find('.cancelBtn').addClass(this.cancelButtonClasses);
+        this.container.find('.applyBtn').html(this.locale.applyLabel);
+        this.container.find('.cancelBtn').html(this.locale.cancelLabel);
+
+        //
+        // event listeners
+        //
+
+        this.container.find('.drp-calendar')
+            .on('click.daterangepicker', '.prev', $.proxy(this.clickPrev, this))
+            .on('click.daterangepicker', '.next', $.proxy(this.clickNext, this))
+            .on('mousedown.daterangepicker', 'td.available', $.proxy(this.clickDate, this))
+            .on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverDate, this))
+            .on('change.daterangepicker', 'select.yearselect', $.proxy(this.monthOrYearChanged, this))
+            .on('change.daterangepicker', 'select.monthselect', $.proxy(this.monthOrYearChanged, this))
+            .on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.secondselect,select.ampmselect', $.proxy(this.timeChanged, this));
+
+        this.container.find('.ranges')
+            .on('click.daterangepicker', 'li', $.proxy(this.clickRange, this));
+
+        this.container.find('.drp-buttons')
+            .on('click.daterangepicker', 'button.applyBtn', $.proxy(this.clickApply, this))
+            .on('click.daterangepicker', 'button.cancelBtn', $.proxy(this.clickCancel, this));
+
+        if (this.element.is('input') || this.element.is('button')) {
+            this.element.on({
+                'click.daterangepicker': $.proxy(this.show, this),
+                'focus.daterangepicker': $.proxy(this.show, this),
+                'keyup.daterangepicker': $.proxy(this.elementChanged, this),
+                'keydown.daterangepicker': $.proxy(this.keydown, this) //IE 11 compatibility
+            });
+        } else {
+            this.element.on('click.daterangepicker', $.proxy(this.toggle, this));
+            this.element.on('keydown.daterangepicker', $.proxy(this.toggle, this));
+        }
+
+        //
+        // if attached to a text input, set the initial value
+        //
+
+        this.updateElement();
+
+    };
+
+    DateRangePicker.prototype = {
+
+        constructor: DateRangePicker,
+
+        setStartDate: function(startDate) {
+            if (typeof startDate === 'string')
+                this.startDate = moment(startDate, this.locale.format);
+
+            if (typeof startDate === 'object')
+                this.startDate = moment(startDate);
+
+            if (!this.timePicker)
+                this.startDate = this.startDate.startOf('day');
+
+            if (this.timePicker && this.timePickerIncrement)
+                this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
+
+            if (this.minDate && this.startDate.isBefore(this.minDate)) {
+                this.startDate = this.minDate.clone();
+                if (this.timePicker && this.timePickerIncrement)
+                    this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
+            }
+
+            if (this.maxDate && this.startDate.isAfter(this.maxDate)) {
+                this.startDate = this.maxDate.clone();
+                if (this.timePicker && this.timePickerIncrement)
+                    this.startDate.minute(Math.floor(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
+            }
+
+            if (!this.isShowing)
+                this.updateElement();
+
+            this.updateMonthsInView();
+        },
+
+        setEndDate: function(endDate) {
+            if (typeof endDate === 'string')
+                this.endDate = moment(endDate, this.locale.format);
+
+            if (typeof endDate === 'object')
+                this.endDate = moment(endDate);
+
+            if (!this.timePicker)
+                this.endDate = this.endDate.endOf('day');
+
+            if (this.timePicker && this.timePickerIncrement)
+                this.endDate.minute(Math.round(this.endDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
+
+            if (this.endDate.isBefore(this.startDate))
+                this.endDate = this.startDate.clone();
+
+            if (this.maxDate && this.endDate.isAfter(this.maxDate))
+                this.endDate = this.maxDate.clone();
+
+            if (this.maxSpan && this.startDate.clone().add(this.maxSpan).isBefore(this.endDate))
+                this.endDate = this.startDate.clone().add(this.maxSpan);
+
+            this.previousRightTime = this.endDate.clone();
+
+            this.container.find('.drp-selected').html(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
+
+            if (!this.isShowing)
+                this.updateElement();
+
+            this.updateMonthsInView();
+        },
+
+        isInvalidDate: function() {
+            return false;
+        },
+
+        isCustomDate: function() {
+            return false;
+        },
+
+        updateView: function() {
+            if (this.timePicker) {
+                this.renderTimePicker('left');
+                this.renderTimePicker('right');
+                if (!this.endDate) {
+                    this.container.find('.right .calendar-time select').prop('disabled', true).addClass('disabled');
+                } else {
+                    this.container.find('.right .calendar-time select').prop('disabled', false).removeClass('disabled');
+                }
+            }
+            if (this.endDate)
+                this.container.find('.drp-selected').html(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
+            this.updateMonthsInView();
+            this.updateCalendars();
+            this.updateFormInputs();
+        },
+
+        updateMonthsInView: function() {
+            if (this.endDate) {
+
+                //if both dates are visible already, do nothing
+                if (!this.singleDatePicker && this.leftCalendar.month && this.rightCalendar.month &&
+                    (this.startDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.startDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
+                    &&
+                    (this.endDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.endDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
+                    ) {
+                    return;
+                }
+
+                this.leftCalendar.month = this.startDate.clone().date(2);
+                if (!this.linkedCalendars && (this.endDate.month() != this.startDate.month() || this.endDate.year() != this.startDate.year())) {
+                    this.rightCalendar.month = this.endDate.clone().date(2);
+                } else {
+                    this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
+                }
+
+            } else {
+                if (this.leftCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM') && this.rightCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM')) {
+                    this.leftCalendar.month = this.startDate.clone().date(2);
+                    this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
+                }
+            }
+            if (this.maxDate && this.linkedCalendars && !this.singleDatePicker && this.rightCalendar.month > this.maxDate) {
+              this.rightCalendar.month = this.maxDate.clone().date(2);
+              this.leftCalendar.month = this.maxDate.clone().date(2).subtract(1, 'month');
+            }
+        },
+
+        updateCalendars: function() {
+
+            if (this.timePicker) {
+                var hour, minute, second;
+                if (this.endDate) {
+                    hour = parseInt(this.container.find('.left .hourselect').val(), 10);
+                    minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
+                    if (isNaN(minute)) {
+                        minute = parseInt(this.container.find('.left .minuteselect option:last').val(), 10);
+                    }
+                    second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
+                    if (!this.timePicker24Hour) {
+                        var ampm = this.container.find('.left .ampmselect').val();
+                        if (ampm === 'PM' && hour < 12)
+                            hour += 12;
+                        if (ampm === 'AM' && hour === 12)
+                            hour = 0;
+                    }
+                } else {
+                    hour = parseInt(this.container.find('.right .hourselect').val(), 10);
+                    minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
+                    if (isNaN(minute)) {
+                        minute = parseInt(this.container.find('.right .minuteselect option:last').val(), 10);
+                    }
+                    second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
+                    if (!this.timePicker24Hour) {
+                        var ampm = this.container.find('.right .ampmselect').val();
+                        if (ampm === 'PM' && hour < 12)
+                            hour += 12;
+                        if (ampm === 'AM' && hour === 12)
+                            hour = 0;
+                    }
+                }
+                this.leftCalendar.month.hour(hour).minute(minute).second(second);
+                this.rightCalendar.month.hour(hour).minute(minute).second(second);
+            }
+
+            this.renderCalendar('left');
+            this.renderCalendar('right');
+
+            //highlight any predefined range matching the current start and end dates
+            this.container.find('.ranges li').removeClass('active');
+            if (this.endDate == null) return;
+
+            this.calculateChosenLabel();
+        },
+
+        renderCalendar: function(side) {
+
+            //
+            // Build the matrix of dates that will populate the calendar
+            //
+
+            var calendar = side == 'left' ? this.leftCalendar : this.rightCalendar;
+            var month = calendar.month.month();
+            var year = calendar.month.year();
+            var hour = calendar.month.hour();
+            var minute = calendar.month.minute();
+            var second = calendar.month.second();
+            var daysInMonth = moment([year, month]).daysInMonth();
+            var firstDay = moment([year, month, 1]);
+            var lastDay = moment([year, month, daysInMonth]);
+            var lastMonth = moment(firstDay).subtract(1, 'month').month();
+            var lastYear = moment(firstDay).subtract(1, 'month').year();
+            var daysInLastMonth = moment([lastYear, lastMonth]).daysInMonth();
+            var dayOfWeek = firstDay.day();
+
+            //initialize a 6 rows x 7 columns array for the calendar
+            var calendar = [];
+            calendar.firstDay = firstDay;
+            calendar.lastDay = lastDay;
+
+            for (var i = 0; i < 6; i++) {
+                calendar[i] = [];
+            }
+
+            //populate the calendar with date objects
+            var startDay = daysInLastMonth - dayOfWeek + this.locale.firstDay + 1;
+            if (startDay > daysInLastMonth)
+                startDay -= 7;
+
+            if (dayOfWeek == this.locale.firstDay)
+                startDay = daysInLastMonth - 6;
+
+            var curDate = moment([lastYear, lastMonth, startDay, 12, minute, second]);
+
+            var col, row;
+            for (var i = 0, col = 0, row = 0; i < 42; i++, col++, curDate = moment(curDate).add(24, 'hour')) {
+                if (i > 0 && col % 7 === 0) {
+                    col = 0;
+                    row++;
+                }
+                calendar[row][col] = curDate.clone().hour(hour).minute(minute).second(second);
+                curDate.hour(12);
+
+                if (this.minDate && calendar[row][col].format('YYYY-MM-DD') == this.minDate.format('YYYY-MM-DD') && calendar[row][col].isBefore(this.minDate) && side == 'left') {
+                    calendar[row][col] = this.minDate.clone();
+                }
+
+                if (this.maxDate && calendar[row][col].format('YYYY-MM-DD') == this.maxDate.format('YYYY-MM-DD') && calendar[row][col].isAfter(this.maxDate) && side == 'right') {
+                    calendar[row][col] = this.maxDate.clone();
+                }
+
+            }
+
+            //make the calendar object available to hoverDate/clickDate
+            if (side == 'left') {
+                this.leftCalendar.calendar = calendar;
+            } else {
+                this.rightCalendar.calendar = calendar;
+            }
+
+            //
+            // Display the calendar
+            //
+
+            var minDate = side == 'left' ? this.minDate : this.startDate;
+            var maxDate = this.maxDate;
+            var selected = side == 'left' ? this.startDate : this.endDate;
+            var arrow = this.locale.direction == 'ltr' ? {left: 'chevron-left', right: 'chevron-right'} : {left: 'chevron-right', right: 'chevron-left'};
+
+            var html = '<table class="table-condensed">';
+            html += '<thead>';
+            html += '<tr>';
+
+            // add empty cell for week number
+            if (this.showWeekNumbers || this.showISOWeekNumbers)
+                html += '<th></th>';
+
+            if ((!minDate || minDate.isBefore(calendar.firstDay)) && (!this.linkedCalendars || side == 'left')) {
+                html += '<th class="prev available"><span></span></th>';
+            } else {
+                html += '<th></th>';
+            }
+
+            var dateHtml = this.locale.monthNames[calendar[1][1].month()] + calendar[1][1].format(" YYYY");
+
+            if (this.showDropdowns) {
+                var currentMonth = calendar[1][1].month();
+                var currentYear = calendar[1][1].year();
+                var maxYear = (maxDate && maxDate.year()) || (this.maxYear);
+                var minYear = (minDate && minDate.year()) || (this.minYear);
+                var inMinYear = currentYear == minYear;
+                var inMaxYear = currentYear == maxYear;
+
+                var monthHtml = '<select class="monthselect">';
+                for (var m = 0; m < 12; m++) {
+                    if ((!inMinYear || (minDate && m >= minDate.month())) && (!inMaxYear || (maxDate && m <= maxDate.month()))) {
+                        monthHtml += "<option value='" + m + "'" +
+                            (m === currentMonth ? " selected='selected'" : "") +
+                            ">" + this.locale.monthNames[m] + "</option>";
+                    } else {
+                        monthHtml += "<option value='" + m + "'" +
+                            (m === currentMonth ? " selected='selected'" : "") +
+                            " disabled='disabled'>" + this.locale.monthNames[m] + "</option>";
+                    }
+                }
+                monthHtml += "</select>";
+
+                var yearHtml = '<select class="yearselect">';
+                for (var y = minYear; y <= maxYear; y++) {
+                    yearHtml += '<option value="' + y + '"' +
+                        (y === currentYear ? ' selected="selected"' : '') +
+                        '>' + y + '</option>';
+                }
+                yearHtml += '</select>';
+
+                dateHtml = monthHtml + yearHtml;
+            }
+
+            html += '<th colspan="5" class="month">' + dateHtml + '</th>';
+            if ((!maxDate || maxDate.isAfter(calendar.lastDay)) && (!this.linkedCalendars || side == 'right' || this.singleDatePicker)) {
+                html += '<th class="next available"><span></span></th>';
+            } else {
+                html += '<th></th>';
+            }
+
+            html += '</tr>';
+            html += '<tr>';
+
+            // add week number label
+            if (this.showWeekNumbers || this.showISOWeekNumbers)
+                html += '<th class="week">' + this.locale.weekLabel + '</th>';
+
+            $.each(this.locale.daysOfWeek, function(index, dayOfWeek) {
+                html += '<th>' + dayOfWeek + '</th>';
+            });
+
+            html += '</tr>';
+            html += '</thead>';
+            html += '<tbody>';
+
+            //adjust maxDate to reflect the maxSpan setting in order to
+            //grey out end dates beyond the maxSpan
+            if (this.endDate == null && this.maxSpan) {
+                var maxLimit = this.startDate.clone().add(this.maxSpan).endOf('day');
+                if (!maxDate || maxLimit.isBefore(maxDate)) {
+                    maxDate = maxLimit;
+                }
+            }
+
+            for (var row = 0; row < 6; row++) {
+                html += '<tr>';
+
+                // add week number
+                if (this.showWeekNumbers)
+                    html += '<td class="week">' + calendar[row][0].week() + '</td>';
+                else if (this.showISOWeekNumbers)
+                    html += '<td class="week">' + calendar[row][0].isoWeek() + '</td>';
+
+                for (var col = 0; col < 7; col++) {
+
+                    var classes = [];
+
+                    //highlight today's date
+                    if (calendar[row][col].isSame(new Date(), "day"))
+                        classes.push('today');
+
+                    //highlight weekends
+                    if (calendar[row][col].isoWeekday() > 5)
+                        classes.push('weekend');
+
+                    //grey out the dates in other months displayed at beginning and end of this calendar
+                    if (calendar[row][col].month() != calendar[1][1].month())
+                        classes.push('off', 'ends');
+
+                    //don't allow selection of dates before the minimum date
+                    if (this.minDate && calendar[row][col].isBefore(this.minDate, 'day'))
+                        classes.push('off', 'disabled');
+
+                    //don't allow selection of dates after the maximum date
+                    if (maxDate && calendar[row][col].isAfter(maxDate, 'day'))
+                        classes.push('off', 'disabled');
+
+                    //don't allow selection of date if a custom function decides it's invalid
+                    if (this.isInvalidDate(calendar[row][col]))
+                        classes.push('off', 'disabled');
+
+                    //highlight the currently selected start date
+                    if (calendar[row][col].format('YYYY-MM-DD') == this.startDate.format('YYYY-MM-DD'))
+                        classes.push('active', 'start-date');
+
+                    //highlight the currently selected end date
+                    if (this.endDate != null && calendar[row][col].format('YYYY-MM-DD') == this.endDate.format('YYYY-MM-DD'))
+                        classes.push('active', 'end-date');
+
+                    //highlight dates in-between the selected dates
+                    if (this.endDate != null && calendar[row][col] > this.startDate && calendar[row][col] < this.endDate)
+                        classes.push('in-range');
+
+                    //apply custom classes for this date
+                    var isCustom = this.isCustomDate(calendar[row][col]);
+                    if (isCustom !== false) {
+                        if (typeof isCustom === 'string')
+                            classes.push(isCustom);
+                        else
+                            Array.prototype.push.apply(classes, isCustom);
+                    }
+
+                    var cname = '', disabled = false;
+                    for (var i = 0; i < classes.length; i++) {
+                        cname += classes[i] + ' ';
+                        if (classes[i] == 'disabled')
+                            disabled = true;
+                    }
+                    if (!disabled)
+                        cname += 'available';
+
+                    html += '<td class="' + cname.replace(/^\s+|\s+$/g, '') + '" data-title="' + 'r' + row + 'c' + col + '">' + calendar[row][col].date() + '</td>';
+
+                }
+                html += '</tr>';
+            }
+
+            html += '</tbody>';
+            html += '</table>';
+
+            this.container.find('.drp-calendar.' + side + ' .calendar-table').html(html);
+
+        },
+
+        renderTimePicker: function(side) {
+
+            // Don't bother updating the time picker if it's currently disabled
+            // because an end date hasn't been clicked yet
+            if (side == 'right' && !this.endDate) return;
+
+            var html, selected, minDate, maxDate = this.maxDate;
+
+            if (this.maxSpan && (!this.maxDate || this.startDate.clone().add(this.maxSpan).isBefore(this.maxDate)))
+                maxDate = this.startDate.clone().add(this.maxSpan);
+
+            if (side == 'left') {
+                selected = this.startDate.clone();
+                minDate = this.minDate;
+            } else if (side == 'right') {
+                selected = this.endDate.clone();
+                minDate = this.startDate;
+
+                //Preserve the time already selected
+                var timeSelector = this.container.find('.drp-calendar.right .calendar-time');
+                if (timeSelector.html() != '') {
+
+                    selected.hour(!isNaN(selected.hour()) ? selected.hour() : timeSelector.find('.hourselect option:selected').val());
+                    selected.minute(!isNaN(selected.minute()) ? selected.minute() : timeSelector.find('.minuteselect option:selected').val());
+                    selected.second(!isNaN(selected.second()) ? selected.second() : timeSelector.find('.secondselect option:selected').val());
+
+                    if (!this.timePicker24Hour) {
+                        var ampm = timeSelector.find('.ampmselect option:selected').val();
+                        if (ampm === 'PM' && selected.hour() < 12)
+                            selected.hour(selected.hour() + 12);
+                        if (ampm === 'AM' && selected.hour() === 12)
+                            selected.hour(0);
+                    }
+
+                }
+
+                if (selected.isBefore(this.startDate))
+                    selected = this.startDate.clone();
+
+                if (maxDate && selected.isAfter(maxDate))
+                    selected = maxDate.clone();
+
+            }
+
+            //
+            // hours
+            //
+
+            html = '<select class="hourselect">';
+
+            var start = this.timePicker24Hour ? 0 : 1;
+            var end = this.timePicker24Hour ? 23 : 12;
+
+            for (var i = start; i <= end; i++) {
+                var i_in_24 = i;
+                if (!this.timePicker24Hour)
+                    i_in_24 = selected.hour() >= 12 ? (i == 12 ? 12 : i + 12) : (i == 12 ? 0 : i);
+
+                var time = selected.clone().hour(i_in_24);
+                var disabled = false;
+                if (minDate && time.minute(59).isBefore(minDate))
+                    disabled = true;
+                if (maxDate && time.minute(0).isAfter(maxDate))
+                    disabled = true;
+
+                if (i_in_24 == selected.hour() && !disabled) {
+                    html += '<option value="' + i + '" selected="selected">' + i + '</option>';
+                } else if (disabled) {
+                    html += '<option value="' + i + '" disabled="disabled" class="disabled">' + i + '</option>';
+                } else {
+                    html += '<option value="' + i + '">' + i + '</option>';
+                }
+            }
+
+            html += '</select> ';
+
+            //
+            // minutes
+            //
+
+            html += ': <select class="minuteselect">';
+
+            for (var i = 0; i < 60; i += this.timePickerIncrement) {
+                var padded = i < 10 ? '0' + i : i;
+                var time = selected.clone().minute(i);
+
+                var disabled = false;
+                if (minDate && time.second(59).isBefore(minDate))
+                    disabled = true;
+                if (maxDate && time.second(0).isAfter(maxDate))
+                    disabled = true;
+
+                if (selected.minute() == i && !disabled) {
+                    html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
+                } else if (disabled) {
+                    html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
+                } else {
+                    html += '<option value="' + i + '">' + padded + '</option>';
+                }
+            }
+
+            html += '</select> ';
+
+            //
+            // seconds
+            //
+
+            if (this.timePickerSeconds) {
+                html += ': <select class="secondselect">';
+
+                for (var i = 0; i < 60; i++) {
+                    var padded = i < 10 ? '0' + i : i;
+                    var time = selected.clone().second(i);
+
+                    var disabled = false;
+                    if (minDate && time.isBefore(minDate))
+                        disabled = true;
+                    if (maxDate && time.isAfter(maxDate))
+                        disabled = true;
+
+                    if (selected.second() == i && !disabled) {
+                        html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
+                    } else if (disabled) {
+                        html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
+                    } else {
+                        html += '<option value="' + i + '">' + padded + '</option>';
+                    }
+                }
+
+                html += '</select> ';
+            }
+
+            //
+            // AM/PM
+            //
+
+            if (!this.timePicker24Hour) {
+                html += '<select class="ampmselect">';
+
+                var am_html = '';
+                var pm_html = '';
+
+                if (minDate && selected.clone().hour(12).minute(0).second(0).isBefore(minDate))
+                    am_html = ' disabled="disabled" class="disabled"';
+
+                if (maxDate && selected.clone().hour(0).minute(0).second(0).isAfter(maxDate))
+                    pm_html = ' disabled="disabled" class="disabled"';
+
+                if (selected.hour() >= 12) {
+                    html += '<option value="AM"' + am_html + '>AM</option><option value="PM" selected="selected"' + pm_html + '>PM</option>';
+                } else {
+                    html += '<option value="AM" selected="selected"' + am_html + '>AM</option><option value="PM"' + pm_html + '>PM</option>';
+                }
+
+                html += '</select>';
+            }
+
+            this.container.find('.drp-calendar.' + side + ' .calendar-time').html(html);
+
+        },
+
+        updateFormInputs: function() {
+
+            if (this.singleDatePicker || (this.endDate && (this.startDate.isBefore(this.endDate) || this.startDate.isSame(this.endDate)))) {
+                this.container.find('button.applyBtn').prop('disabled', false);
+            } else {
+                this.container.find('button.applyBtn').prop('disabled', true);
+            }
+
+        },
+
+        move: function() {
+            var parentOffset = { top: 0, left: 0 },
+                containerTop,
+                drops = this.drops;
+
+            var parentRightEdge = $(window).width();
+            if (!this.parentEl.is('body')) {
+                parentOffset = {
+                    top: this.parentEl.offset().top - this.parentEl.scrollTop(),
+                    left: this.parentEl.offset().left - this.parentEl.scrollLeft()
+                };
+                parentRightEdge = this.parentEl[0].clientWidth + this.parentEl.offset().left;
+            }
+
+            switch (drops) {
+            case 'auto':
+                containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
+                if (containerTop + this.container.outerHeight() >= this.parentEl[0].scrollHeight) {
+                    containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
+                    drops = 'up';
+                }
+                break;
+            case 'up':
+                containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
+                break;
+            default:
+                containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
+                break;
+            }
+
+            // Force the container to it's actual width
+            this.container.css({
+              top: 0,
+              left: 0,
+              right: 'auto'
+            });
+            var containerWidth = this.container.outerWidth();
+
+            this.container.toggleClass('drop-up', drops == 'up');
+
+            if (this.opens == 'left') {
+                var containerRight = parentRightEdge - this.element.offset().left - this.element.outerWidth();
+                if (containerWidth + containerRight > $(window).width()) {
+                    this.container.css({
+                        top: containerTop,
+                        right: 'auto',
+                        left: 9
+                    });
+                } else {
+                    this.container.css({
+                        top: containerTop,
+                        right: containerRight,
+                        left: 'auto'
+                    });
+                }
+            } else if (this.opens == 'center') {
+                var containerLeft = this.element.offset().left - parentOffset.left + this.element.outerWidth() / 2
+                                        - containerWidth / 2;
+                if (containerLeft < 0) {
+                    this.container.css({
+                        top: containerTop,
+                        right: 'auto',
+                        left: 9
+                    });
+                } else if (containerLeft + containerWidth > $(window).width()) {
+                    this.container.css({
+                        top: containerTop,
+                        left: 'auto',
+                        right: 0
+                    });
+                } else {
+                    this.container.css({
+                        top: containerTop,
+                        left: containerLeft,
+                        right: 'auto'
+                    });
+                }
+            } else {
+                var containerLeft = this.element.offset().left - parentOffset.left;
+                if (containerLeft + containerWidth > $(window).width()) {
+                    this.container.css({
+                        top: containerTop,
+                        left: 'auto',
+                        right: 0
+                    });
+                } else {
+                    this.container.css({
+                        top: containerTop,
+                        left: containerLeft,
+                        right: 'auto'
+                    });
+                }
+            }
+        },
+
+        show: function(e) {
+            if (this.isShowing) return;
+
+            // Create a click proxy that is private to this instance of datepicker, for unbinding
+            this._outsideClickProxy = $.proxy(function(e) { this.outsideClick(e); }, this);
+
+            // Bind global datepicker mousedown for hiding and
+            $(document)
+              .on('mousedown.daterangepicker', this._outsideClickProxy)
+              // also support mobile devices
+              .on('touchend.daterangepicker', this._outsideClickProxy)
+              // also explicitly play nice with Bootstrap dropdowns, which stopPropagation when clicking them
+              .on('click.daterangepicker', '[data-toggle=dropdown]', this._outsideClickProxy)
+              // and also close when focus changes to outside the picker (eg. tabbing between controls)
+              .on('focusin.daterangepicker', this._outsideClickProxy);
+
+            // Reposition the picker if the window is resized while it's open
+            $(window).on('resize.daterangepicker', $.proxy(function(e) { this.move(e); }, this));
+
+            this.oldStartDate = this.startDate.clone();
+            this.oldEndDate = this.endDate.clone();
+            this.previousRightTime = this.endDate.clone();
+
+            this.updateView();
+            this.container.show();
+            this.move();
+            this.element.trigger('show.daterangepicker', this);
+            this.isShowing = true;
+        },
+
+        hide: function(e) {
+            if (!this.isShowing) return;
+
+            //incomplete date selection, revert to last values
+            if (!this.endDate) {
+                this.startDate = this.oldStartDate.clone();
+                this.endDate = this.oldEndDate.clone();
+            }
+
+            //if a new date range was selected, invoke the user callback function
+            if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))
+                this.callback(this.startDate.clone(), this.endDate.clone(), this.chosenLabel);
+
+            //if picker is attached to a text input, update it
+            this.updateElement();
+
+            $(document).off('.daterangepicker');
+            $(window).off('.daterangepicker');
+            this.container.hide();
+            this.element.trigger('hide.daterangepicker', this);
+            this.isShowing = false;
+        },
+
+        toggle: function(e) {
+            if (this.isShowing) {
+                this.hide();
+            } else {
+                this.show();
+            }
+        },
+
+        outsideClick: function(e) {
+            var target = $(e.target);
+            // if the page is clicked anywhere except within the daterangerpicker/button
+            // itself then call this.hide()
+            if (
+                // ie modal dialog fix
+                e.type == "focusin" ||
+                target.closest(this.element).length ||
+                target.closest(this.container).length ||
+                target.closest('.calendar-table').length
+                ) return;
+            this.hide();
+            this.element.trigger('outsideClick.daterangepicker', this);
+        },
+
+        showCalendars: function() {
+            this.container.addClass('show-calendar');
+            this.move();
+            this.element.trigger('showCalendar.daterangepicker', this);
+        },
+
+        hideCalendars: function() {
+            this.container.removeClass('show-calendar');
+            this.element.trigger('hideCalendar.daterangepicker', this);
+        },
+
+        clickRange: function(e) {
+            var label = e.target.getAttribute('data-range-key');
+            this.chosenLabel = label;
+            if (label == this.locale.customRangeLabel) {
+                this.showCalendars();
+            } else {
+                var dates = this.ranges[label];
+                this.startDate = dates[0];
+                this.endDate = dates[1];
+
+                if (!this.timePicker) {
+                    this.startDate.startOf('day');
+                    this.endDate.endOf('day');
+                }
+
+                if (!this.alwaysShowCalendars)
+                    this.hideCalendars();
+                this.clickApply();
+            }
+        },
+
+        clickPrev: function(e) {
+            var cal = $(e.target).parents('.drp-calendar');
+            if (cal.hasClass('left')) {
+                this.leftCalendar.month.subtract(1, 'month');
+                if (this.linkedCalendars)
+                    this.rightCalendar.month.subtract(1, 'month');
+            } else {
+                this.rightCalendar.month.subtract(1, 'month');
+            }
+            this.updateCalendars();
+        },
+
+        clickNext: function(e) {
+            var cal = $(e.target).parents('.drp-calendar');
+            if (cal.hasClass('left')) {
+                this.leftCalendar.month.add(1, 'month');
+            } else {
+                this.rightCalendar.month.add(1, 'month');
+                if (this.linkedCalendars)
+                    this.leftCalendar.month.add(1, 'month');
+            }
+            this.updateCalendars();
+        },
+
+        hoverDate: function(e) {
+
+            //ignore dates that can't be selected
+            if (!$(e.target).hasClass('available')) return;
+
+            var title = $(e.target).attr('data-title');
+            var row = title.substr(1, 1);
+            var col = title.substr(3, 1);
+            var cal = $(e.target).parents('.drp-calendar');
+            var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];
+
+            //highlight the dates between the start date and the date being hovered as a potential end date
+            var leftCalendar = this.leftCalendar;
+            var rightCalendar = this.rightCalendar;
+            var startDate = this.startDate;
+            if (!this.endDate) {
+                this.container.find('.drp-calendar tbody td').each(function(index, el) {
+
+                    //skip week numbers, only look at dates
+                    if ($(el).hasClass('week')) return;
+
+                    var title = $(el).attr('data-title');
+                    var row = title.substr(1, 1);
+                    var col = title.substr(3, 1);
+                    var cal = $(el).parents('.drp-calendar');
+                    var dt = cal.hasClass('left') ? leftCalendar.calendar[row][col] : rightCalendar.calendar[row][col];
+
+                    if ((dt.isAfter(startDate) && dt.isBefore(date)) || dt.isSame(date, 'day')) {
+                        $(el).addClass('in-range');
+                    } else {
+                        $(el).removeClass('in-range');
+                    }
+
+                });
+            }
+
+        },
+
+        clickDate: function(e) {
+
+            if (!$(e.target).hasClass('available')) return;
+
+            var title = $(e.target).attr('data-title');
+            var row = title.substr(1, 1);
+            var col = title.substr(3, 1);
+            var cal = $(e.target).parents('.drp-calendar');
+            var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];
+
+            //
+            // this function needs to do a few things:
+            // * alternate between selecting a start and end date for the range,
+            // * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
+            // * if autoapply is enabled, and an end date was chosen, apply the selection
+            // * if single date picker mode, and time picker isn't enabled, apply the selection immediately
+            // * if one of the inputs above the calendars was focused, cancel that manual input
+            //
+
+            if (this.endDate || date.isBefore(this.startDate, 'day')) { //picking start
+                if (this.timePicker) {
+                    var hour = parseInt(this.container.find('.left .hourselect').val(), 10);
+                    if (!this.timePicker24Hour) {
+                        var ampm = this.container.find('.left .ampmselect').val();
+                        if (ampm === 'PM' && hour < 12)
+                            hour += 12;
+                        if (ampm === 'AM' && hour === 12)
+                            hour = 0;
+                    }
+                    var minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
+                    if (isNaN(minute)) {
+                        minute = parseInt(this.container.find('.left .minuteselect option:last').val(), 10);
+                    }
+                    var second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
+                    date = date.clone().hour(hour).minute(minute).second(second);
+                }
+                this.endDate = null;
+                this.setStartDate(date.clone());
+            } else if (!this.endDate && date.isBefore(this.startDate)) {
+                //special case: clicking the same date for start/end,
+                //but the time of the end date is before the start date
+                this.setEndDate(this.startDate.clone());
+            } else { // picking end
+                if (this.timePicker) {
+                    var hour = parseInt(this.container.find('.right .hourselect').val(), 10);
+                    if (!this.timePicker24Hour) {
+                        var ampm = this.container.find('.right .ampmselect').val();
+                        if (ampm === 'PM' && hour < 12)
+                            hour += 12;
+                        if (ampm === 'AM' && hour === 12)
+                            hour = 0;
+                    }
+                    var minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
+                    if (isNaN(minute)) {
+                        minute = parseInt(this.container.find('.right .minuteselect option:last').val(), 10);
+                    }
+                    var second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
+                    date = date.clone().hour(hour).minute(minute).second(second);
+                }
+                this.setEndDate(date.clone());
+                if (this.autoApply) {
+                  this.calculateChosenLabel();
+                  this.clickApply();
+                }
+            }
+
+            if (this.singleDatePicker) {
+                this.setEndDate(this.startDate);
+                if (!this.timePicker && this.autoApply)
+                    this.clickApply();
+            }
+
+            this.updateView();
+
+            //This is to cancel the blur event handler if the mouse was in one of the inputs
+            e.stopPropagation();
+
+        },
+
+        calculateChosenLabel: function () {
+            var customRange = true;
+            var i = 0;
+            for (var range in this.ranges) {
+              if (this.timePicker) {
+                    var format = this.timePickerSeconds ? "YYYY-MM-DD HH:mm:ss" : "YYYY-MM-DD HH:mm";
+                    //ignore times when comparing dates if time picker seconds is not enabled
+                    if (this.startDate.format(format) == this.ranges[range][0].format(format) && this.endDate.format(format) == this.ranges[range][1].format(format)) {
+                        customRange = false;
+                        this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').attr('data-range-key');
+                        break;
+                    }
+                } else {
+                    //ignore times when comparing dates if time picker is not enabled
+                    if (this.startDate.format('YYYY-MM-DD') == this.ranges[range][0].format('YYYY-MM-DD') && this.endDate.format('YYYY-MM-DD') == this.ranges[range][1].format('YYYY-MM-DD')) {
+                        customRange = false;
+                        this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').attr('data-range-key');
+                        break;
+                    }
+                }
+                i++;
+            }
+            if (customRange) {
+                if (this.showCustomRangeLabel) {
+                    this.chosenLabel = this.container.find('.ranges li:last').addClass('active').attr('data-range-key');
+                } else {
+                    this.chosenLabel = null;
+                }
+                this.showCalendars();
+            }
+        },
+
+        clickApply: function(e) {
+            this.hide();
+            this.element.trigger('apply.daterangepicker', this);
+        },
+
+        clickCancel: function(e) {
+            this.startDate = this.oldStartDate;
+            this.endDate = this.oldEndDate;
+            this.hide();
+            this.element.trigger('cancel.daterangepicker', this);
+        },
+
+        monthOrYearChanged: function(e) {
+            var isLeft = $(e.target).closest('.drp-calendar').hasClass('left'),
+                leftOrRight = isLeft ? 'left' : 'right',
+                cal = this.container.find('.drp-calendar.'+leftOrRight);
+
+            // Month must be Number for new moment versions
+            var month = parseInt(cal.find('.monthselect').val(), 10);
+            var year = cal.find('.yearselect').val();
+
+            if (!isLeft) {
+                if (year < this.startDate.year() || (year == this.startDate.year() && month < this.startDate.month())) {
+                    month = this.startDate.month();
+                    year = this.startDate.year();
+                }
+            }
+
+            if (this.minDate) {
+                if (year < this.minDate.year() || (year == this.minDate.year() && month < this.minDate.month())) {
+                    month = this.minDate.month();
+                    year = this.minDate.year();
+                }
+            }
+
+            if (this.maxDate) {
+                if (year > this.maxDate.year() || (year == this.maxDate.year() && month > this.maxDate.month())) {
+                    month = this.maxDate.month();
+                    year = this.maxDate.year();
+                }
+            }
+
+            if (isLeft) {
+                this.leftCalendar.month.month(month).year(year);
+                if (this.linkedCalendars)
+                    this.rightCalendar.month = this.leftCalendar.month.clone().add(1, 'month');
+            } else {
+                this.rightCalendar.month.month(month).year(year);
+                if (this.linkedCalendars)
+                    this.leftCalendar.month = this.rightCalendar.month.clone().subtract(1, 'month');
+            }
+            this.updateCalendars();
+        },
+
+        timeChanged: function(e) {
+
+            var cal = $(e.target).closest('.drp-calendar'),
+                isLeft = cal.hasClass('left');
+
+            var hour = parseInt(cal.find('.hourselect').val(), 10);
+            var minute = parseInt(cal.find('.minuteselect').val(), 10);
+            if (isNaN(minute)) {
+                minute = parseInt(cal.find('.minuteselect option:last').val(), 10);
+            }
+            var second = this.timePickerSeconds ? parseInt(cal.find('.secondselect').val(), 10) : 0;
+
+            if (!this.timePicker24Hour) {
+                var ampm = cal.find('.ampmselect').val();
+                if (ampm === 'PM' && hour < 12)
+                    hour += 12;
+                if (ampm === 'AM' && hour === 12)
+                    hour = 0;
+            }
+
+            if (isLeft) {
+                var start = this.startDate.clone();
+                start.hour(hour);
+                start.minute(minute);
+                start.second(second);
+                this.setStartDate(start);
+                if (this.singleDatePicker) {
+                    this.endDate = this.startDate.clone();
+                } else if (this.endDate && this.endDate.format('YYYY-MM-DD') == start.format('YYYY-MM-DD') && this.endDate.isBefore(start)) {
+                    this.setEndDate(start.clone());
+                }
+            } else if (this.endDate) {
+                var end = this.endDate.clone();
+                end.hour(hour);
+                end.minute(minute);
+                end.second(second);
+                this.setEndDate(end);
+            }
+
+            //update the calendars so all clickable dates reflect the new time component
+            this.updateCalendars();
+
+            //update the form inputs above the calendars with the new time
+            this.updateFormInputs();
+
+            //re-render the time pickers because changing one selection can affect what's enabled in another
+            this.renderTimePicker('left');
+            this.renderTimePicker('right');
+
+        },
+
+        elementChanged: function() {
+            if (!this.element.is('input')) return;
+            if (!this.element.val().length) return;
+
+            var dateString = this.element.val().split(this.locale.separator),
+                start = null,
+                end = null;
+
+            if (dateString.length === 2) {
+                start = moment(dateString[0], this.locale.format);
+                end = moment(dateString[1], this.locale.format);
+            }
+
+            if (this.singleDatePicker || start === null || end === null) {
+                start = moment(this.element.val(), this.locale.format);
+                end = start;
+            }
+
+            if (!start.isValid() || !end.isValid()) return;
+
+            this.setStartDate(start);
+            this.setEndDate(end);
+            this.updateView();
+        },
+
+        keydown: function(e) {
+            //hide on tab or enter
+            if ((e.keyCode === 9) || (e.keyCode === 13)) {
+                this.hide();
+            }
+
+            //hide on esc and prevent propagation
+            if (e.keyCode === 27) {
+                e.preventDefault();
+                e.stopPropagation();
+
+                this.hide();
+            }
+        },
+
+        updateElement: function() {
+            if (this.element.is('input') && this.autoUpdateInput) {
+                var newValue = this.startDate.format(this.locale.format);
+                if (!this.singleDatePicker) {
+                    newValue += this.locale.separator + this.endDate.format(this.locale.format);
+                }
+                if (newValue !== this.element.val()) {
+                    this.element.val(newValue).trigger('change');
+                }
+            }
+        },
+
+        remove: function() {
+            this.container.remove();
+            this.element.off('.daterangepicker');
+            this.element.removeData();
+        }
+
+    };
+
+    $.fn.daterangepicker = function(options, callback) {
+        var implementOptions = $.extend(true, {}, $.fn.daterangepicker.defaultOptions, options);
+        this.each(function() {
+            var el = $(this);
+            if (el.data('daterangepicker'))
+                el.data('daterangepicker').remove();
+            el.data('daterangepicker', new DateRangePicker(el, implementOptions, callback));
+        });
+        return this;
+    };
+
+    return DateRangePicker;
+
+}));
diff --git a/NEMO/apps/sensors/static/sensors/sensors.css b/NEMO/apps/sensors/static/sensors/sensors.css
new file mode 100644
index 00000000..dbee7601
--- /dev/null
+++ b/NEMO/apps/sensors/static/sensors/sensors.css
@@ -0,0 +1,37 @@
+.breadcrumb-sensors-dashboard
+{
+    border-bottom: 2px solid #dcdcdc;
+    background-color: initial;
+    border-radius: 0;
+    margin-bottom: 0;
+    font-size: x-large;
+    padding: 8px 15px;
+}
+
+.well-sensors-dashboard
+{
+    margin-top: 25px;
+    border-radius: 15px;
+    padding: 0;
+}
+
+.list-inline-sensors-dashboard
+{
+    margin-bottom: 0;
+}
+
+.dashboard-sensor-group-item, .dashboard-category-group-item
+{
+    margin: 20px;
+    padding: 30px;
+    border: 1px solid;
+    border-radius: 15px;
+    cursor: pointer;
+    width: 200px;
+    vertical-align: top;
+}
+
+.dashboard-no-group-items
+{
+    padding: 30px;
+}
\ No newline at end of file
diff --git a/NEMO/apps/sensors/templates/customizations/customizations_sensors.html b/NEMO/apps/sensors/templates/customizations/customizations_sensors.html
new file mode 100644
index 00000000..966b194e
--- /dev/null
+++ b/NEMO/apps/sensors/templates/customizations/customizations_sensors.html
@@ -0,0 +1,47 @@
+<div class="panel-body">
+    <h3 class="customization-section-title">Sensor data settings</h3>
+    <form method="POST" action="{% url 'customize' 'sensors' %}" class="form-horizontal">
+        {% csrf_token %}
+        <div class="form-group {% if errors.sensor_alert_emails %}has-error{% endif %}">
+            <label class="control-label col-md-2" for="sensor_alert_emails">Sensor alert email(s)</label>
+            <div class="col-md-5">
+                <input type="text" id="sensor_alert_emails" name="sensor_alert_emails" class="form-control" value="{% if errors.sensor_alert_emails %}{{ errors.sensor_alert_emails.value }}{% else %}{{ sensor_alert_emails }}{% endif %}" placeholder="sensor_alerts@example.org"/>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                {% if errors.sensor_alert_emails %}
+                    {{ errors.sensor_alert_emails.error }}
+                {% else %}
+                    The email(s) to notify when a sensor alert is raised or reset. A comma-separated list can be used.
+                {% endif %}
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2 col-sm-2" for="sensor_default_daterange">Default daterange</label>
+            <div class="col-md-10 col-sm-10">
+                <div class="radio">
+                    <label><input type="radio" id="sensor_default_daterange" name="sensor_default_daterange" {% if not sensor_default_daterange %}checked{% endif %} value=""> Last 24 hrs</label>
+                    <label><input type="radio" name="sensor_default_daterange" {% if sensor_default_daterange == 'last_72hrs' %}checked{% endif %} value="last_72hrs"> Last 72 hrs</label>
+                    <label><input type="radio" name="sensor_default_daterange" {% if sensor_default_daterange == 'last_week' %}checked{% endif %} value="last_week"> Last week</label>
+                    <label><input type="radio" name="sensor_default_daterange" {% if sensor_default_daterange == 'last_month' %}checked{% endif %} value="last_month"> Last month</label>
+                    <label><input type="radio" name="sensor_default_daterange" {% if sensor_default_daterange == 'last_year' %}checked{% endif %} value="last_year"> Last year</label>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2 col-sm-2" for="refresh-rate">Default refresh rate:</label>
+            <div class="col-md-3 col-sm-4">
+                <select class="form-control" name="sensor_default_refresh_rate" id="refresh-rate">
+                    <option value="" {% if not sensor_default_refresh_rate %}selected{% endif %}>no refresh</option>
+                    <option value="1000" {% if sensor_default_refresh_rate == "1000" %}selected{% endif %}>every second</option>
+                    <option value="5000" {% if sensor_default_refresh_rate == "5000" %}selected{% endif %}>every 5 seconds</option>
+                    <option value="30000" {% if sensor_default_refresh_rate == "30000" %}selected{% endif %}>every 30 seconds</option>
+                    <option value="60000" {% if sensor_default_refresh_rate == "60000" %}selected{% endif %}>every minute</option>
+                    <option value="300000" {% if sensor_default_refresh_rate == "300000" %}selected{% endif %}>every 5 minutes</option>
+                </select>
+            </div>
+        </div>
+        <div class="col-md-offset-2">
+            <input type="submit" value="Save settings" class="btn btn-success">
+        </div>
+    </form>
+</div>
\ No newline at end of file
diff --git a/NEMO/apps/sensors/templates/sensors/sensor_alerts.html b/NEMO/apps/sensors/templates/sensors/sensor_alerts.html
new file mode 100644
index 00000000..a7454fbe
--- /dev/null
+++ b/NEMO/apps/sensors/templates/sensors/sensor_alerts.html
@@ -0,0 +1,9 @@
+{% if alerts %}
+    <ul style="margin-top: 10px;">
+        {% for alert in alerts %}
+            <li class="{% if alert.reset %}success-highlight{% else %}danger-highlight{% endif %}">{{ alert.description }}</li>
+        {% endfor %}
+    </ul>
+{% else %}
+    <i>There are no alerts to display. Try selecting a different date range</i>
+{% endif %}
diff --git a/NEMO/apps/sensors/templates/sensors/sensor_data.html b/NEMO/apps/sensors/templates/sensors/sensor_data.html
new file mode 100644
index 00000000..e0a80566
--- /dev/null
+++ b/NEMO/apps/sensors/templates/sensors/sensor_data.html
@@ -0,0 +1,314 @@
+{% extends "base.html" %}
+{% load static %}
+{% load custom_tags_and_filters %}
+{% block extrahead %}
+    {# Chart.js #}
+    <script type="text/javascript" src="{% static "sensors/chart.min.js" %}"></script>
+    <script type="text/javascript" src="{% static "sensors/chartjs-adapter-moment.js" %}"></script>
+    {# Daterange picker #}
+    <script type="text/javascript" src="{% static "sensors/daterangepicker.js" %}"></script>
+    <link rel="stylesheet" type="text/css" href="{% static "sensors/daterangepicker.css" %}"/>
+    {# Sensors #}
+    <link rel="stylesheet" type="text/css" href="{% static "sensors/sensors.css" %}"/>
+{% endblock %}
+{% block title %}{{ sensor.name }} data{% endblock %}
+{% block content %}
+    <div class="well well-sensors-dashboard">
+        <ol class="breadcrumb breadcrumb-sensors-dashboard">
+            <li class="active"><a href="{% url 'sensors' %}">Dashboard</a></li>
+            {% if sensor.sensor_category %}
+                {% for ancestor in sensor.sensor_category.ancestors %}
+                    <li><a href="{% url 'sensors' ancestor.id %}">{{ ancestor.name }}</a></li>
+                {% endfor %}
+                <li><a href="{% url 'sensors' sensor.sensor_category.id %}">{{ sensor.sensor_category.name }}</a></li>
+            {% endif %}
+            <li class="active">{{ sensor.name }}</li>
+        </ol>
+        <div class="panel-body">
+            <div style="margin-bottom: 15px">
+                <div class="form-inline">
+                    <label class="control-label" for="start">Date range:</label>
+                    <div class="input-group" style="margin-right: 10px">
+                        <input class="form-control text-center" type="text" onchange="refresh_page()" id="start" name="start">
+                        <div id="picker-container" class="invisible" style="float: left;position: relative;height: 0;width: 100%"></div>
+                        <span class="daterange-calendar input-group-btn">
+                            <button type="button" class="btn btn-default btn-input-white" onclick="open_daterange_picker()"><i class="glyphicon glyphicon-calendar"></i></button>
+                        </span>
+                    </div>
+                    <label class="control-label" for="end" style="margin-right: 10px;">to</label>
+                    <div class="input-group" style="margin-right: 5px;">
+                        <input class="form-control text-center" type="text" onchange="refresh_page()" id="end" name="end">
+                        <span class="daterange-calendar input-group-btn">
+                            <button type="button" class="btn btn-default btn-input-white" onclick="open_daterange_picker()"><i class="glyphicon glyphicon-calendar"></i></button>
+                        </span>
+                    </div>
+                    <div class="visible-sm visible-xs" style="margin-bottom: 15px;"></div>
+                    <label class="control-label" for="refresh-rate">Refresh rate:</label>
+                    <select class="form-control" id="refresh-rate" onchange="update_refresh_rate();refresh_page();">
+                        <option value="" {% if not refresh_rate %}selected{% endif %}>no refresh</option>
+                        <option value="1000" {% if refresh_rate == 1000 %}selected{% endif %}>every second</option>
+                        <option value="5000" {% if refresh_rate == 5000 %}selected{% endif %}>every 5 seconds</option>
+                        <option value="30000" {% if refresh_rate == 30000 %}selected{% endif %}>every 30 seconds</option>
+                        <option value="60000" {% if refresh_rate == 60000 %}selected{% endif %}>every minute</option>
+                        <option value="300000" {% if refresh_rate == 300000 %}selected{% endif %}>every 5 minutes</option>
+                    </select>
+                </div>
+            </div>
+            <ul class="nav nav-tabs" id="tabs">
+                <li class="{% if tab == 'chart' %}active{% endif %}">
+                    <a href="#chart-tab">Chart</a>
+                </li>
+                <li class="{% if tab == 'data' %}active{% endif %}">
+                    <a href="#data-tab">Data</a>
+                </li>
+                <li class="{% if tab == 'alert' %}active{% endif %}">
+                    <a href="#alert-tab">Alert log</a>
+                </li>
+            </ul>
+            <div id="no-sensor-data" class="tab-content panel panel-default panel-tab-content" style="display: none;">
+                <div class="panel-body">
+                    <i>There is no data to display. Try selecting a different date range</i>
+                </div>
+            </div>
+            <div id="sensor-data" class="tab-content panel panel-default panel-tab-content" style="margin-bottom: 0;">
+                <div class="tab-pane {% if tab == 'chart' %}active{% endif %}" id="chart-tab">
+                    <div class="panel-body">
+                        <div class="text-right">
+                            <div class="form-inline">
+                                <label class="control-label" for="chart-step">Display every</label>
+                                <input class="form-control input-sm" id="chart-step" type="number" value="{{ chart_step }}" onchange="refresh_page()" min="1" max="1440"/>
+                                <label class="control-label"> data point</label>
+                            </div>
+                        </div>
+                        <div>
+                            <canvas id="sensor-chart"></canvas>
+                        </div>
+                    </div>
+                </div>
+                <div class="tab-pane {% if tab == 'data' %}active{% endif %}" id="data-tab">
+                    <div class="panel-body">
+                        <div class="text-right">
+                            <div>
+                                <input type="button" class="btn btn-info" value="Export" onclick="refresh_page();window.open('{% url 'export_sensor_data' sensor.id %}')">
+                            </div>
+                        </div>
+                        <div>
+                            <table id="sensor-table" class="table table-bordered table-hover table-striped" style="margin-top: 20px;">
+                                <tbody>
+                                    <tr class="info" style="pointer-events: none;">
+                                        <th>Time</th>
+                                        <th>{{ sensor.data_label|default_if_none:'Value' }}</th>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </div>
+                </div>
+                <div class="tab-pane {% if tab == 'alert' %}active{% endif %}" id="alert-tab">
+                    <div id="alert-div" class="panel-body">
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <script>
+        {# Set a special date for 'now' so we can refresh real time data #}
+        const now_moment_date = moment();
+
+        let tab_jq = $("#tabs a");
+		tab_jq.click(switch_tab);
+		tab_jq.click(refresh_page);
+
+        {# Update dates in input fields and refresh the page. If there is no end we will use 'now' #}
+        function set_dates(start, end)
+        {
+            $('#start').val(start.format('{{ datetime_input_js_format }}'));
+            if (!end.isSame(now_moment_date))
+            {
+                $('#end').val(end.format('{{ datetime_input_js_format }}'));
+            }
+            else
+            {
+                $('#end').val('now');
+            }
+            refresh_page();
+        }
+
+        let daterange_picker = $('#picker-container').daterangepicker(
+        {
+            alwaysShowCalendars: true,
+            showDropdowns: true,
+            timePicker: true,
+            timePickerIncrement: 1,
+            autoUpdateInput: false,
+            ranges:
+            {
+               'Last 24 hrs': [moment().subtract(1, 'days'), now_moment_date],
+               'Last 72 hrs': [moment().subtract(3, 'days'), now_moment_date],
+               'Last 7 Days': [moment().subtract(6, 'days'), now_moment_date],
+               'Last 30 Days': [moment().subtract(29, 'days'), now_moment_date],
+               'Today': [moment().startOf('day'), moment().endOf('day')],
+               'Yesterday': [moment().subtract(1, 'days').startOf('day'), moment().subtract(1, 'days').endOf('day')],
+               'This Week': [moment().startOf('week'), moment().endOf('week')],
+               'Last Week': [moment().subtract(7, 'days').startOf('week'), moment().subtract(7, 'days').endOf('week')],
+               'This Month': [moment().startOf('month'), moment().endOf('month')],
+               'Last Month': [moment().subtract(1, 'month').startOf('month'), moment().subtract(1, 'month').endOf('month')],
+               'This Year': [moment().startOf('year'), moment().endOf('year')],
+               'Last Year': [moment().subtract(1, 'year').startOf('year'), moment().endOf('year')],
+            }
+        }, set_dates);
+
+        function get_start_end_dates()
+        {
+            const start = moment.utc($("#start").val(), '{{ datetime_input_js_format }}').unix();
+            const end_input = $("#end").val();
+            const end = end_input && end_input !== 'now' ? moment.utc(end_input, '{{ datetime_input_js_format }}').unix() : '';
+            return [start, end];
+        }
+
+        function get_base_url(url)
+        {
+            const refreshRate = $('#refresh-rate').val() || 0;
+            const chartStep = $("#chart-step").val() || 1;
+            const dates = get_start_end_dates();
+            const base_url = url ? url : $("#data-tab").hasClass("active") ? "{% url 'sensor_details' sensor.id 'data' %}" : $("#chart-tab").hasClass("active") ? "{% url 'sensor_details' sensor.id 'chart' %}" : "{% url 'sensor_details' sensor.id 'alert' %}";
+            return base_url + "?start=" + dates[0] + "&end=" + dates[1] + "&chart_step=" + chartStep + "&refresh_rate=" + refreshRate;
+        }
+
+        function filter_every_x_point(data)
+        {
+            let chartStep = $("#chart-step").val() || 1;
+            return data.filter((element, index) => {return index % chartStep === 0;});
+        }
+
+        const sensorChart = $("#sensor-chart");
+        let sensorChartObject = null;
+        function update_chart(data)
+        {
+            let ctx = sensorChart[0].getContext("2d");
+            if (sensorChartObject) sensorChartObject.destroy();
+            sensorChartObject = new Chart(ctx,
+                {
+                type: 'line',
+                data:
+                {
+                    labels: filter_every_x_point(data.labels),
+                    datasets: [
+                    {
+                        label: '{{ sensor.name }}',
+                        borderColor: 'rgb(75, 192, 192)',
+                        backgroundColor: 'rgb(75, 192, 192)',
+                        data: filter_every_x_point(data.data)
+                    }]
+                },
+                options:
+                {
+                    scales:
+                    {
+                        x:
+                        {
+                            type: 'time'
+                        },
+                        y:
+                        {
+                            title:
+                            {
+                                display: {% if sensor.data_label %}true{% else %}false{% endif %},
+                                text: '{{ sensor.data_label }}'
+                            }
+                        }
+                    },
+                    responsive: true,
+                    legend:
+                    {
+                        position: 'top'
+                    },
+                    title:
+                    {
+                        display: true,
+                        text: '{{ sensor.name }} Chart'
+                    },
+                    animation:
+                    {
+                        duration: 0
+                    },
+                    datasets:
+                    {
+                        line:
+                        {
+                            borderWidth: 1,
+                            pointRadius: 2
+                        }
+                    }
+                }
+            });
+        }
+
+        function update_table(data)
+        {
+            let sensorTable_filter = $("#sensor-table tr");
+            sensorTable_filter.not(':first').not(':last').remove();
+            let content_rows = '';
+            for(let i = data.labels.length-1; i >= 0 ; i--)
+            {
+                content_rows += '<tr><td>' + data.labels[i] + '</td><td>' + data.data[i] + '</td></tr>';
+            }
+            sensorTable_filter.first().after(content_rows);
+        }
+
+        {# Set new URL in history and refresh chart and table #}
+        function refresh_page()
+        {
+            let data_url = get_base_url("{% url 'sensor_chart_data' sensor.id %}");
+            let history_url = get_base_url();
+            history.pushState('', "{{ sensor.name }} data", history_url);
+            if ($("#alert-tab").hasClass("active"))
+            {
+                $('#alert-div').load(get_base_url("{% url 'sensor_alert_log' sensor.id %}"));
+                $('#sensor-data').show();
+                $('#no-sensor-data').hide();
+            }
+            else
+            {
+                $.ajax(
+                {
+                    url: data_url,
+                    success: function (data)
+                    {
+                        if (data && data.data && data.data.length)
+                        {
+                            $('#sensor-data').show();
+                            $('#no-sensor-data').hide();
+                            update_chart(data);
+                            update_table(data);
+                        }
+                        else
+                        {
+                            $('#sensor-data').hide();
+                            $('#no-sensor-data').show();
+                        }
+                    }
+                });
+            }
+        }
+
+        {# Update dates in daterangepicker from the input, then open it #}
+        function open_daterange_picker()
+        {
+            const dates = get_start_end_dates();
+            daterange_picker.data('daterangepicker').setStartDate(moment.unix(dates[0]).utc());
+            daterange_picker.data('daterangepicker').setEndDate(dates[1] ? moment.unix(dates[1]).utc() : now_moment_date);
+            daterange_picker.data('daterangepicker').show();
+        }
+
+        function update_refresh_rate()
+        {
+            set_interval_when_visible(document, refresh_page, $('#refresh-rate').val());
+        }
+
+        set_dates(moment('{{ start|input_date_format }}', '{{ datetime_input_js_format }}'), {% if end %}moment('{{ end|input_date_format }}', '{{ datetime_input_js_format }}'){% else %}now_moment_date{% endif %});
+        update_refresh_rate();
+    </script>
+
+{% endblock %}
\ No newline at end of file
diff --git a/NEMO/apps/sensors/templates/sensors/sensors.html b/NEMO/apps/sensors/templates/sensors/sensors.html
new file mode 100644
index 00000000..c8428c70
--- /dev/null
+++ b/NEMO/apps/sensors/templates/sensors/sensors.html
@@ -0,0 +1,50 @@
+{% extends "base.html" %}
+{% load static %}
+{% block extrahead %}
+    <link rel="stylesheet" type="text/css" href="{% static "sensors/sensors.css" %}"/>
+{% endblock %}
+{% block title %}Sensors{% endblock %}
+{% block content %}
+    <div class="well well-sensors-dashboard">
+        <ol class="breadcrumb breadcrumb-sensors-dashboard">
+            {% if not selected_category %}
+                <li class="active">Sensor Dashboard</li>
+            {% else %}
+                <li class="active"><a href="{% url 'sensors' %}">Dashboard</a></li>
+                {% for ancestor in selected_category.ancestors %}
+                    <li><a href="{% url 'sensors' ancestor.id %}">{{ ancestor.name }}</a></li>
+                {% endfor %}
+                <li class="active">{{ selected_category.name }}</li>
+            {% endif %}
+        </ol>
+        <ul class="list-inline list-inline-sensors-dashboard text-center">
+            {% if categories %}
+                {% for category in categories %}
+                    <li class="dashboard-category-group-item text-center {% if category.alert_triggered %}alert-danger{% else %}alert-success{% endif %}" onclick="window.location = '{% url 'sensors' category.id %}'">
+                        {{ category.name }}
+                    </li>
+                {% endfor %}
+            {% endif %}
+            {% if sensors %}
+                {% for sensor in sensors %}
+                    <li class="dashboard-sensor-group-item text-center {% if sensor.alert_triggered %}alert-danger{% else %}alert-success{% endif %}" onclick="window.location = '{% url 'sensor_details' sensor.id %}'">
+                        {{ sensor.name }}<br><br>
+                        {{ sensor.last_data_point.created_date|date:"SHORT_DATETIME_FORMAT" }}<br>
+                        {{ sensor.last_data_point.display_value }}
+                    </li>
+                {% endfor %}
+            {% endif %}
+            {% if not sensors and not categories %}
+                <div class="dashboard-no-group-items">
+                    no items to display.
+                    {% if user.is_superuser and not selected_category %}
+                        <br/><br/>You can add sensors, categories and alerts by navigating to<br>
+                        <a href="{% url 'admin:app_list' 'sensors' %}">
+                            Administration -> Detailed Administration -> Sensors
+                        </a>
+                    {% endif %}
+                </div>
+            {% endif %}
+        </ul>
+    </div>
+{% endblock %}
\ No newline at end of file
diff --git a/NEMO/apps/sensors/urls.py b/NEMO/apps/sensors/urls.py
new file mode 100644
index 00000000..c9764770
--- /dev/null
+++ b/NEMO/apps/sensors/urls.py
@@ -0,0 +1,14 @@
+from django.urls import path, re_path
+
+from NEMO.apps.sensors import views
+
+urlpatterns = [
+	path("sensors/", views.sensors, name="sensors"),
+	path("sensors/<int:category_id>/", views.sensors, name="sensors"),
+	path("sensor_details/<int:sensor_id>/", views.sensor_details, name="sensor_details"),
+	re_path(r"sensor_details/(?P<sensor_id>\d+)/(?P<tab>chart|data|alert)/$", views.sensor_details,name="sensor_details"),
+	path("sensor_chart_data/<int:sensor_id>/", views.sensor_chart_data, name="sensor_chart_data"),
+	path("sensor_alert_log/<int:sensor_id>/", views.sensor_alert_log, name="sensor_alert_log"),
+	path("export_sensor_data/<int:sensor_id>/", views.export_sensor_data, name="export_sensor_data"),
+	path("manage_sensor_data/", views.manage_sensor_data, name="manage_sensor_data"),
+]
diff --git a/NEMO/apps/sensors/views.py b/NEMO/apps/sensors/views.py
new file mode 100644
index 00000000..059b9ff1
--- /dev/null
+++ b/NEMO/apps/sensors/views.py
@@ -0,0 +1,138 @@
+from datetime import datetime, timedelta
+from math import floor
+
+from django.contrib.auth.decorators import login_required, permission_required
+from django.db.models import QuerySet
+from django.http import HttpResponse, JsonResponse
+from django.shortcuts import get_object_or_404, render
+from django.utils import timezone
+from django.utils.text import slugify
+from django.views.decorators.http import require_GET
+
+from NEMO.apps.sensors.customizations import SensorCustomization
+from NEMO.apps.sensors.models import Sensor, SensorAlertLog, SensorCategory, SensorData
+from NEMO.decorators import disable_session_expiry_refresh, postpone, staff_member_required
+from NEMO.utilities import (
+	BasicDisplayTable,
+	beginning_of_the_day,
+	export_format_datetime,
+	extract_times,
+	format_datetime,
+)
+
+
+@staff_member_required
+@require_GET
+def sensors(request, category_id=None):
+	selected_category = None
+	if category_id:
+		selected_category = get_object_or_404(SensorCategory, pk=category_id)
+	categories = SensorCategory.objects.filter(parent=category_id)
+	sensor_list = Sensor.objects.filter(visible=True, sensor_category_id=category_id).order_by("name")
+	return render(
+		request,
+		"sensors/sensors.html",
+		{"selected_category": selected_category, "categories": categories, "sensors": sensor_list},
+	)
+
+
+@staff_member_required
+@require_GET
+def sensor_details(request, sensor_id, tab: str = None):
+	sensor = get_object_or_404(Sensor, pk=sensor_id)
+	chart_step = int(request.GET.get("chart_step", 1))
+	default_refresh_rate = int(SensorCustomization.get("sensor_default_refresh_rate"))
+	refresh_rate = int(request.GET.get("refresh_rate", default_refresh_rate))
+	sensor_data, start, end = get_sensor_data(request, sensor)
+	dictionary = {
+		"tab": tab or "chart",
+		"sensor": sensor,
+		"start": start,
+		"end": end,
+		"refresh_rate": refresh_rate,
+		"chart_step": chart_step,
+	}
+	return render(request, "sensors/sensor_data.html", dictionary)
+
+
+@staff_member_required
+@require_GET
+def export_sensor_data(request, sensor_id):
+	sensor = get_object_or_404(Sensor, pk=sensor_id)
+	sensor_data, start, end = get_sensor_data(request, sensor)
+	table_result = BasicDisplayTable()
+	table_result.add_header(("date", "Date"))
+	table_result.add_header(("value", "Value"))
+	table_result.add_header(("display_value", "Display value"))
+	for data_point in sensor_data:
+		table_result.add_row(
+			{
+				"date": format_datetime(data_point.created_date, "SHORT_DATETIME_FORMAT"),
+				"value": data_point.value,
+				"display_value": data_point.display_value(),
+			}
+		)
+	response = table_result.to_csv()
+	sensor_name = slugify(sensor.name).replace("-", "_")
+	filename = f"{sensor_name}_data_{export_format_datetime(start)}_to_{export_format_datetime(end)}.csv"
+	response["Content-Disposition"] = f'attachment; filename="{filename}"'
+	return response
+
+
+@staff_member_required
+@require_GET
+@disable_session_expiry_refresh
+def sensor_chart_data(request, sensor_id):
+	sensor = get_object_or_404(Sensor, pk=sensor_id)
+	labels = []
+	data = []
+	sensor_data = get_sensor_data(request, sensor)[0].order_by("created_date")
+	for data_point in sensor_data:
+		labels.append(format_datetime(data_point.created_date, "m/d/Y H:i:s"))
+		data.append(data_point.value)
+	return JsonResponse(data={"labels": labels, "data": data})
+
+
+@staff_member_required
+@require_GET
+@disable_session_expiry_refresh
+def sensor_alert_log(request, sensor_id):
+	sensor = get_object_or_404(Sensor, pk=sensor_id)
+	sensor_data, start, end = get_sensor_data(request, sensor)
+	alert_log_entries = SensorAlertLog.objects.filter(sensor=sensor, time__gte=start, time__lte=end or timezone.now())
+	return render(request, "sensors/sensor_alerts.html", {"alerts": alert_log_entries})
+
+
+def get_sensor_data(request, sensor) -> (QuerySet, datetime, datetime):
+	start, end = extract_times(request.GET, start_required=False, end_required=False)
+	sensor_data = SensorData.objects.filter(sensor=sensor)
+	now = timezone.now().replace(second=0, microsecond=0).astimezone()
+	sensor_default_daterange = SensorCustomization.get("sensor_default_daterange")
+	if not start:
+		if sensor_default_daterange == "last_year":
+			start = now - timedelta(days=365)
+		elif sensor_default_daterange == "last_month":
+			start = now - timedelta(days=30)
+		elif sensor_default_daterange == "last_week":
+			start = now - timedelta(weeks=1)
+		elif sensor_default_daterange == "last_72hrs":
+			start = now - timedelta(days=3)
+		else:
+			start = now - timedelta(days=1)
+	return sensor_data.filter(created_date__gte=start, created_date__lte=(end or now)), start, end
+
+
+@login_required
+@require_GET
+@permission_required("NEMO.trigger_timed_services", raise_exception=True)
+def manage_sensor_data(request):
+	return do_manage_sensor_data()
+
+
+def do_manage_sensor_data(asynchronous=True):
+	minute_of_the_day = floor((timezone.now() - beginning_of_the_day(timezone.now())).total_seconds() / 60)
+	# Read data for each sensor at the minute interval set
+	for sensor in Sensor.objects.exclude(read_frequency=0):
+		if minute_of_the_day % sensor.read_frequency == 0:
+			postpone(sensor.read_data)() if asynchronous else sensor.read_data()
+	return HttpResponse()
diff --git a/NEMO/context_processors.py b/NEMO/context_processors.py
index 32437ba2..dcde2a52 100644
--- a/NEMO/context_processors.py
+++ b/NEMO/context_processors.py
@@ -1,5 +1,6 @@
 from NEMO.models import Area, Notification, PhysicalAccessLevel, Tool, User
-from NEMO.views.customization import get_customization
+from NEMO.utilities import date_input_js_format, datetime_input_js_format, time_input_js_format
+from NEMO.views.customization import ApplicationCustomization
 from NEMO.views.notifications import get_notification_counts
 
 
@@ -21,11 +22,11 @@ def base_context(request):
 	except:
 		request.session["no_header"] = False
 	try:
-		facility_name = get_customization("facility_name")
+		facility_name = ApplicationCustomization.get("facility_name")
 	except:
 		facility_name = "Facility"
 	try:
-		site_title = get_customization("site_title")
+		site_title = ApplicationCustomization.get("site_title")
 	except:
 		site_title = ""
 	try:
@@ -73,5 +74,8 @@ def base_context(request):
 		"buddy_notification_count": buddy_notification_count,
 		"temporary_access_notification_count": temporary_access_notification_count,
 		"facility_managers_exist": facility_managers_exist,
+		"time_input_js_format": time_input_js_format,
+		"date_input_js_format": date_input_js_format,
+		"datetime_input_js_format": datetime_input_js_format,
 		"no_header": request.session.get("no_header", False),
 	}
diff --git a/NEMO/decorators.py b/NEMO/decorators.py
index 5ea4c493..95de1158 100644
--- a/NEMO/decorators.py
+++ b/NEMO/decorators.py
@@ -21,7 +21,7 @@ def disable_session_expiry_refresh(f):
 	return f
 
 
-# Use this decorator on a function to make a call to said function asynchronous
+# Use this decorator on a function to make a call to that function asynchronously
 # The function will be run in a separate thread, and the current execution will continue
 def postpone(function):
 	def decorator(*arguments, **named_arguments):
@@ -58,6 +58,21 @@ def decorator(*args, **kwargs):
 	return inner
 
 
+# Use this decorator annotation to register your own customizations which will be shown in the customization page
+# The key should be unique and if possible one word, the title will be shown on the customization tab
+def customization(key, title, order=999):
+	from NEMO.views.customization import CustomizationBase
+
+	def customization_wrapper(customization_class):
+		if not issubclass(customization_class, CustomizationBase):
+			raise ValueError("Wrapped class must subclass CustomizationBase.")
+		customization_instance = customization_class(key, title, order)
+		CustomizationBase.add_instance(customization_instance)
+		return customization_instance
+
+	return customization_wrapper
+
+
 def staff_member_required(view_func=None, redirect_field_name=REDIRECT_FIELD_NAME, login_url=None):
 	"""
 	Decorator for views that checks that the user is logged in and is a staff member.
diff --git a/NEMO/exceptions.py b/NEMO/exceptions.py
index e93432f3..a636391d 100644
--- a/NEMO/exceptions.py
+++ b/NEMO/exceptions.py
@@ -10,8 +10,8 @@ class NEMOException(Exception):
 
 	def __init__(self, msg=None):
 		if msg is None:
-			from NEMO.views.customization import get_customization
-			site_title = get_customization('site_title')
+			from NEMO.views.customization import ApplicationCustomization
+			site_title = ApplicationCustomization.get('site_title')
 			msg = self.default_msg.format(site_title)
 		self.msg = msg
 		super().__init__(msg)
diff --git a/NEMO/forms.py b/NEMO/forms.py
index b3b5d161..fb79a972 100644
--- a/NEMO/forms.py
+++ b/NEMO/forms.py
@@ -37,7 +37,7 @@
 	UserPreferences,
 )
 from NEMO.utilities import bootstrap_primary_color, format_datetime, quiet_int
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import UserRequestsCustomization
 
 
 class UserForm(ModelForm):
@@ -386,6 +386,15 @@ class Meta:
 			"display_new_buddy_request_reply_notification",
 			"email_new_buddy_request_reply",
 			"staff_status_view",
+			"email_alternate",
+			"email_send_reservation_emails",
+			"email_send_usage_reminders",
+			"email_send_reservation_reminders",
+			"email_send_reservation_ending_reminders",
+			"email_send_buddy_request_replies",
+			"email_send_access_request_updates",
+			"email_send_task_updates",
+			"email_send_broadcast_emails"
 		]
 
 
@@ -415,7 +424,7 @@ def clean(self):
 			return
 		cleaned_data = super().clean()
 		other_users = len(cleaned_data.get("other_users")) if "other_users" in cleaned_data else 0
-		minimum_total_users = quiet_int(get_customization("access_requests_minimum_users", 2))
+		minimum_total_users = quiet_int(UserRequestsCustomization.get("access_requests_minimum_users"), 2)
 		if other_users < minimum_total_users -1:
 			self.add_error("other_users", f"You need at least {minimum_total_users-1} other {'buddy' if minimum_total_users == 2 else 'buddies'} for this request")
 		return cleaned_data
diff --git a/NEMO/interlocks.py b/NEMO/interlocks.py
index 6573713e..02720636 100644
--- a/NEMO/interlocks.py
+++ b/NEMO/interlocks.py
@@ -381,11 +381,11 @@ def setRelayState(cls, interlock: Interlock_model, state: {0, 1}) -> Interlock_m
 		coil = interlock.channel
 		client = ModbusTcpClient(interlock.card.server, port=interlock.card.port)
 		client.connect()
-		write_reply = client.write_coil(coil, state, unit=1)
+		write_reply = client.write_coil(coil, state)
 		if write_reply.isError():
 			raise Exception(str(write_reply))
 		sleep(0.3)
-		read_reply = client.read_coils(coil, 1, unit=1)
+		read_reply = client.read_coils(coil, 1)
 		if read_reply.isError():
 			raise Exception(str(read_reply))
 		state = read_reply.bits[0]
diff --git a/NEMO/migrations/0038_version_4_0_0.py b/NEMO/migrations/0038_version_4_0_0.py
index 3ffb26bb..33fb2546 100644
--- a/NEMO/migrations/0038_version_4_0_0.py
+++ b/NEMO/migrations/0038_version_4_0_0.py
@@ -14,13 +14,13 @@ class Migration(migrations.Migration):
     def new_version_news(apps, schema_editor):
         create_news_for_version(apps, "4.0.0", "")
 
-    def add_web_relay_x_series(apps, schema_editor):
+    def add_modbus_tcp_interlock_category(apps, schema_editor):
         InterlockCardCategory = apps.get_model("NEMO", "InterlockCardCategory")
         InterlockCardCategory.objects.create(name="ModbusTcp", key="modbus_tcp")
 
     operations = [
         migrations.RunPython(new_version_news),
-        migrations.RunPython(add_web_relay_x_series),
+        migrations.RunPython(add_modbus_tcp_interlock_category),
         migrations.AlterField(
             model_name='interlock',
             name='channel',
diff --git a/NEMO/migrations/0039_version_4_1_0.py b/NEMO/migrations/0039_version_4_1_0.py
new file mode 100644
index 00000000..2bd9e1f9
--- /dev/null
+++ b/NEMO/migrations/0039_version_4_1_0.py
@@ -0,0 +1,79 @@
+# Generated by Django 3.2.12 on 2022-04-07 14:17
+
+from django.db import migrations, models
+
+from NEMO.migrations_utils import create_news_for_version
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('NEMO', '0038_version_4_0_0'),
+    ]
+
+    def new_version_news(apps, schema_editor):
+        create_news_for_version(apps, "4.1.0", "")
+
+    operations = [
+        migrations.RunPython(new_version_news),
+        migrations.AddField(
+            model_name='landingpagechoice',
+            name='hide_from_staff',
+            field=models.BooleanField(default=False, help_text='Hides this choice from staff and technicians. When checked, only normal users, facility managers and super-users can see the choice'),
+        ),
+        migrations.AlterField(
+            model_name='landingpagechoice',
+            name='hide_from_users',
+            field=models.BooleanField(default=False, help_text='Hides this choice from normal users. When checked, only staff, technicians, facility managers and super-users can see the choice'),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_alternate',
+            field=models.EmailField(blank=True, max_length=254, null=True),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_send_access_request_updates',
+            field=models.BooleanField(default=True, help_text='Send access request updates to my alternate email'),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_send_buddy_request_replies',
+            field=models.BooleanField(default=True, help_text='Send buddy request replies to my alternate email'),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_send_reservation_emails',
+            field=models.BooleanField(default=True, help_text='Send reservation emails to my alternate email'),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_send_reservation_ending_reminders',
+            field=models.BooleanField(default=True, help_text='Send reservation ending reminders to my alternate email'),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_send_reservation_reminders',
+            field=models.BooleanField(default=True, help_text='Send reservation reminders to my alternate email'),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_send_task_updates',
+            field=models.BooleanField(default=True, help_text='Send task updates to my alternate email'),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_send_usage_reminders',
+            field=models.BooleanField(default=True, help_text='Send usage reminders to my alternate email'),
+        ),
+        migrations.AddField(
+            model_name='userpreferences',
+            name='email_send_broadcast_emails',
+            field=models.BooleanField(default=True, help_text='Send broadcast emails to my alternate email'),
+        ),
+        migrations.AlterField(
+            model_name='emaillog',
+            name='category',
+            field=models.IntegerField(choices=[(0, 'General'), (1, 'System'), (2, 'Direct Contact'), (3, 'Broadcast Email'), (4, 'Timed Services'), (5, 'Feedback'), (6, 'Abuse'), (7, 'Safety'), (8, 'Tasks'), (9, 'Access Requests'), (10, 'Sensors')], default=0),
+        ),
+    ]
diff --git a/NEMO/models.py b/NEMO/models.py
index 1fae9e6e..f7c29f34 100644
--- a/NEMO/models.py
+++ b/NEMO/models.py
@@ -100,6 +100,15 @@ class UserPreferences(models.Model):
 	display_new_buddy_request_reply_notification = models.BooleanField('new_buddy_request_reply_notification', default=True, help_text='Whether or not to notify the user of replies on buddy request he commented on (via unread badges)')
 	email_new_buddy_request_reply = models.BooleanField('email_new_buddy_request_reply', default=True, help_text='Whether or not to email the user of replies on buddy request he commented on')
 	staff_status_view = models.CharField('staff_status_view', max_length=100, default='day', choices=[('day', 'Day'), ('week', 'Week'), ('month', 'Month')], help_text='Preferred view for staff status page')
+	email_alternate = models.EmailField(null=True, blank=True)
+	email_send_reservation_emails = models.BooleanField(default=True, help_text="Send reservation emails to my alternate email")
+	email_send_usage_reminders = models.BooleanField(default=True, help_text="Send usage reminders to my alternate email")
+	email_send_reservation_reminders = models.BooleanField(default=True, help_text="Send reservation reminders to my alternate email")
+	email_send_reservation_ending_reminders = models.BooleanField(default=True, help_text="Send reservation ending reminders to my alternate email")
+	email_send_buddy_request_replies = models.BooleanField(default=True, help_text="Send buddy request replies to my alternate email")
+	email_send_access_request_updates = models.BooleanField(default=True, help_text="Send access request updates to my alternate email")
+	email_send_task_updates = models.BooleanField(default=True, help_text="Send task updates to my alternate email")
+	email_send_broadcast_emails = models.BooleanField(default=True, help_text="Send broadcast emails to my alternate email")
 
 	class Meta:
 		verbose_name = 'User preferences'
@@ -459,9 +468,15 @@ def has_usable_password(self):
 	def set_unusable_password(self):
 		pass
 
-	def email_user(self, subject, content, from_email, attachments=None, email_category:EmailCategory = EmailCategory.GENERAL):
+	def get_emails(self, include_alternate=False) -> List[str]:
+		emails = [self.email]
+		if include_alternate and self.get_preferences().email_alternate:
+			emails.append(self.preferences.email_alternate)
+		return emails
+
+	def email_user(self, subject, message, from_email, attachments=None, send_to_alternate=False, email_category:EmailCategory = EmailCategory.GENERAL):
 		""" Sends an email to this user. """
-		send_mail(subject=subject, content=content, from_email=from_email, to=[self.email], attachments=attachments, email_category=email_category)
+		send_mail(subject=subject, content=message, from_email=from_email, to=self.get_emails(send_to_alternate), attachments=attachments, email_category=email_category)
 
 	def get_full_name(self):
 		return self.get_name() + ' (' + self.username + ')'
@@ -2089,7 +2104,8 @@ class LandingPageChoice(models.Model):
 	secure_referral = models.BooleanField(default=True, help_text="Improves security by blocking HTTP referer [sic] information from the targeted page. Enabling this prevents the target page from manipulating the calling page's DOM with JavaScript. This should always be used for external links. It is safe to uncheck this when linking within the site. Leave this box checked if you don't know what this means")
 	hide_from_mobile_devices = models.BooleanField(default=False, help_text="Hides this choice when the landing page is viewed from a mobile device")
 	hide_from_desktop_computers = models.BooleanField(default=False, help_text="Hides this choice when the landing page is viewed from a desktop computer")
-	hide_from_users = models.BooleanField(default=False, help_text="Hides this choice from normal users. When checked, only staff, technicians, and super-users can see the choice")
+	hide_from_users = models.BooleanField(default=False, help_text="Hides this choice from normal users. When checked, only staff, technicians, facility managers and super-users can see the choice")
+	hide_from_staff = models.BooleanField(default=False, help_text="Hides this choice from staff and technicians. When checked, only normal users, facility managers and super-users can see the choice")
 	notifications = models.CharField(max_length=100, blank=True, null=True, choices=Notification.Types.Choices, help_text="Displays a the number of new notifications for the user. For example, if the user has two unread news notifications then the number '2' would appear for the news icon on the landing page.")
 
 	class Meta:
diff --git a/NEMO/permissions.py b/NEMO/permissions.py
index cb99a69b..8629433f 100644
--- a/NEMO/permissions.py
+++ b/NEMO/permissions.py
@@ -1,9 +1,23 @@
 from rest_framework import permissions
 
-
 class BillingAPI(permissions.BasePermission):
-	""" Checks that a user has permission to use the NEMO RESTful API for billing purposes. """
+	""" Checks that a user has permission to use the NEMO RESTful API for billing purposes.
+		This is a global permission and will give the user access to all API objects."""
+
 	def has_permission(self, request, view):
 		if request and request.user.has_perm('NEMO.use_billing_api'):
-				return True
+			return True
 		return False
+
+
+class DjangoModelPermissions(permissions.DjangoModelPermissions):
+	""" Checks that a user has the correct model permission (including view) to use the NEMO RESTful API. """
+	perms_map = {
+		'GET': ['%(app_label)s.view_%(model_name)s'],
+		'OPTIONS': [],
+		'HEAD': [],
+		'POST': ['%(app_label)s.add_%(model_name)s'],
+		'PUT': ['%(app_label)s.change_%(model_name)s'],
+		'PATCH': ['%(app_label)s.change_%(model_name)s'],
+		'DELETE': ['%(app_label)s.delete_%(model_name)s'],
+	}
diff --git a/NEMO/rates.py b/NEMO/rates.py
index 25ea9e4a..a5c9d709 100644
--- a/NEMO/rates.py
+++ b/NEMO/rates.py
@@ -119,4 +119,5 @@ def get_rate_class():
 	return ret()
 
 
+# ONLY import this LOCALLY to avoid potential issues
 rate_class = get_rate_class()
\ No newline at end of file
diff --git a/NEMO/static/admin/questions_preview/questions_preview.css b/NEMO/static/admin/questions_preview/questions_preview.css
index 2d63af29..af9498ac 100644
--- a/NEMO/static/admin/questions_preview/questions_preview.css
+++ b/NEMO/static/admin/questions_preview/questions_preview.css
@@ -179,4 +179,9 @@ div.questions_preview:empty
 {
     color: whitesmoke;
     background-color: #ac2925;
+}
+
+.questions_preview input:invalid, .questions_preview select:invalid, .questions_preview textarea:invalid
+{
+    border-color: #dc3545!important;
 }
\ No newline at end of file
diff --git a/NEMO/static/admin/questions_preview/questions_preview.js b/NEMO/static/admin/questions_preview/questions_preview.js
index 27e0da64..4ee2be37 100644
--- a/NEMO/static/admin/questions_preview/questions_preview.js
+++ b/NEMO/static/admin/questions_preview/questions_preview.js
@@ -25,7 +25,7 @@ window.addEventListener("load", function()
                 }
             }
         }
-        $('.questions_preview').on('change keyup', "input[required][form='questions_preview_form'], textarea[required][form='questions_preview_form'], select[required][form='questions_preview_form']", update_validation_button);
+        $('.questions_preview').on('change keyup', "input[form='questions_preview_form'], textarea[form='questions_preview_form'], select[form='questions_preview_form']", update_validation_button);
         $('body').on('question-group-changed', function()
         {
             update_input_form();
diff --git a/NEMO/static/datetimepicker/bootstrap-datepicker.js b/NEMO/static/datetimepicker/bootstrap-datepicker.js
deleted file mode 100644
index a94f79fc..00000000
--- a/NEMO/static/datetimepicker/bootstrap-datepicker.js
+++ /dev/null
@@ -1,2039 +0,0 @@
-/*!
- * Datepicker for Bootstrap v1.9.0 (https://github.com/uxsolutions/bootstrap-datepicker)
- *
- * Licensed under the Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0)
- */
-
-(function(factory){
-    if (typeof define === 'function' && define.amd) {
-        define(['jquery'], factory);
-    } else if (typeof exports === 'object') {
-        factory(require('jquery'));
-    } else {
-        factory(jQuery);
-    }
-}(function($, undefined){
-	function UTCDate(){
-		return new Date(Date.UTC.apply(Date, arguments));
-	}
-	function UTCToday(){
-		var today = new Date();
-		return UTCDate(today.getFullYear(), today.getMonth(), today.getDate());
-	}
-	function isUTCEquals(date1, date2) {
-		return (
-			date1.getUTCFullYear() === date2.getUTCFullYear() &&
-			date1.getUTCMonth() === date2.getUTCMonth() &&
-			date1.getUTCDate() === date2.getUTCDate()
-		);
-	}
-	function alias(method, deprecationMsg){
-		return function(){
-			if (deprecationMsg !== undefined) {
-				$.fn.datepicker.deprecated(deprecationMsg);
-			}
-
-			return this[method].apply(this, arguments);
-		};
-	}
-	function isValidDate(d) {
-		return d && !isNaN(d.getTime());
-	}
-
-	var DateArray = (function(){
-		var extras = {
-			get: function(i){
-				return this.slice(i)[0];
-			},
-			contains: function(d){
-				// Array.indexOf is not cross-browser;
-				// $.inArray doesn't work with Dates
-				var val = d && d.valueOf();
-				for (var i=0, l=this.length; i < l; i++)
-          // Use date arithmetic to allow dates with different times to match
-          if (0 <= this[i].valueOf() - val && this[i].valueOf() - val < 1000*60*60*24)
-						return i;
-				return -1;
-			},
-			remove: function(i){
-				this.splice(i,1);
-			},
-			replace: function(new_array){
-				if (!new_array)
-					return;
-				if (!$.isArray(new_array))
-					new_array = [new_array];
-				this.clear();
-				this.push.apply(this, new_array);
-			},
-			clear: function(){
-				this.length = 0;
-			},
-			copy: function(){
-				var a = new DateArray();
-				a.replace(this);
-				return a;
-			}
-		};
-
-		return function(){
-			var a = [];
-			a.push.apply(a, arguments);
-			$.extend(a, extras);
-			return a;
-		};
-	})();
-
-
-	// Picker object
-
-	var Datepicker = function(element, options){
-		$.data(element, 'datepicker', this);
-
-		this._events = [];
-		this._secondaryEvents = [];
-
-		this._process_options(options);
-
-		this.dates = new DateArray();
-		this.viewDate = this.o.defaultViewDate;
-		this.focusDate = null;
-
-		this.element = $(element);
-		this.isInput = this.element.is('input');
-		this.inputField = this.isInput ? this.element : this.element.find('input');
-		this.component = this.element.hasClass('date') ? this.element.find('.add-on, .input-group-addon, .input-group-append, .input-group-prepend, .btn') : false;
-		if (this.component && this.component.length === 0)
-			this.component = false;
-		this.isInline = !this.component && this.element.is('div');
-
-		this.picker = $(DPGlobal.template);
-
-		// Checking templates and inserting
-		if (this._check_template(this.o.templates.leftArrow)) {
-			this.picker.find('.prev').html(this.o.templates.leftArrow);
-		}
-
-		if (this._check_template(this.o.templates.rightArrow)) {
-			this.picker.find('.next').html(this.o.templates.rightArrow);
-		}
-
-		this._buildEvents();
-		this._attachEvents();
-
-		if (this.isInline){
-			this.picker.addClass('datepicker-inline').appendTo(this.element);
-		}
-		else {
-			this.picker.addClass('datepicker-dropdown dropdown-menu');
-		}
-
-		if (this.o.rtl){
-			this.picker.addClass('datepicker-rtl');
-		}
-
-		if (this.o.calendarWeeks) {
-			this.picker.find('.datepicker-days .datepicker-switch, thead .datepicker-title, tfoot .today, tfoot .clear')
-				.attr('colspan', function(i, val){
-					return Number(val) + 1;
-				});
-		}
-
-		this._process_options({
-			startDate: this._o.startDate,
-			endDate: this._o.endDate,
-			daysOfWeekDisabled: this.o.daysOfWeekDisabled,
-			daysOfWeekHighlighted: this.o.daysOfWeekHighlighted,
-			datesDisabled: this.o.datesDisabled
-		});
-
-		this._allow_update = false;
-		this.setViewMode(this.o.startView);
-		this._allow_update = true;
-
-		this.fillDow();
-		this.fillMonths();
-
-		this.update();
-
-		if (this.isInline){
-			this.show();
-		}
-	};
-
-	Datepicker.prototype = {
-		constructor: Datepicker,
-
-		_resolveViewName: function(view){
-			$.each(DPGlobal.viewModes, function(i, viewMode){
-				if (view === i || $.inArray(view, viewMode.names) !== -1){
-					view = i;
-					return false;
-				}
-			});
-
-			return view;
-		},
-
-		_resolveDaysOfWeek: function(daysOfWeek){
-			if (!$.isArray(daysOfWeek))
-				daysOfWeek = daysOfWeek.split(/[,\s]*/);
-			return $.map(daysOfWeek, Number);
-		},
-
-		_check_template: function(tmp){
-			try {
-				// If empty
-				if (tmp === undefined || tmp === "") {
-					return false;
-				}
-				// If no html, everything ok
-				if ((tmp.match(/[<>]/g) || []).length <= 0) {
-					return true;
-				}
-				// Checking if html is fine
-				var jDom = $(tmp);
-				return jDom.length > 0;
-			}
-			catch (ex) {
-				return false;
-			}
-		},
-
-		_process_options: function(opts){
-			// Store raw options for reference
-			this._o = $.extend({}, this._o, opts);
-			// Processed options
-			var o = this.o = $.extend({}, this._o);
-
-			// Check if "de-DE" style date is available, if not language should
-			// fallback to 2 letter code eg "de"
-			var lang = o.language;
-			if (!dates[lang]){
-				lang = lang.split('-')[0];
-				if (!dates[lang])
-					lang = defaults.language;
-			}
-			o.language = lang;
-
-			// Retrieve view index from any aliases
-			o.startView = this._resolveViewName(o.startView);
-			o.minViewMode = this._resolveViewName(o.minViewMode);
-			o.maxViewMode = this._resolveViewName(o.maxViewMode);
-
-			// Check view is between min and max
-			o.startView = Math.max(this.o.minViewMode, Math.min(this.o.maxViewMode, o.startView));
-
-			// true, false, or Number > 0
-			if (o.multidate !== true){
-				o.multidate = Number(o.multidate) || false;
-				if (o.multidate !== false)
-					o.multidate = Math.max(0, o.multidate);
-			}
-			o.multidateSeparator = String(o.multidateSeparator);
-
-			o.weekStart %= 7;
-			o.weekEnd = (o.weekStart + 6) % 7;
-
-			var format = DPGlobal.parseFormat(o.format);
-			if (o.startDate !== -Infinity){
-				if (!!o.startDate){
-					if (o.startDate instanceof Date)
-						o.startDate = this._local_to_utc(this._zero_time(o.startDate));
-					else
-						o.startDate = DPGlobal.parseDate(o.startDate, format, o.language, o.assumeNearbyYear);
-				}
-				else {
-					o.startDate = -Infinity;
-				}
-			}
-			if (o.endDate !== Infinity){
-				if (!!o.endDate){
-					if (o.endDate instanceof Date)
-						o.endDate = this._local_to_utc(this._zero_time(o.endDate));
-					else
-						o.endDate = DPGlobal.parseDate(o.endDate, format, o.language, o.assumeNearbyYear);
-				}
-				else {
-					o.endDate = Infinity;
-				}
-			}
-
-			o.daysOfWeekDisabled = this._resolveDaysOfWeek(o.daysOfWeekDisabled||[]);
-			o.daysOfWeekHighlighted = this._resolveDaysOfWeek(o.daysOfWeekHighlighted||[]);
-
-			o.datesDisabled = o.datesDisabled||[];
-			if (!$.isArray(o.datesDisabled)) {
-				o.datesDisabled = o.datesDisabled.split(',');
-			}
-			o.datesDisabled = $.map(o.datesDisabled, function(d){
-				return DPGlobal.parseDate(d, format, o.language, o.assumeNearbyYear);
-			});
-
-			var plc = String(o.orientation).toLowerCase().split(/\s+/g),
-				_plc = o.orientation.toLowerCase();
-			plc = $.grep(plc, function(word){
-				return /^auto|left|right|top|bottom$/.test(word);
-			});
-			o.orientation = {x: 'auto', y: 'auto'};
-			if (!_plc || _plc === 'auto')
-				; // no action
-			else if (plc.length === 1){
-				switch (plc[0]){
-					case 'top':
-					case 'bottom':
-						o.orientation.y = plc[0];
-						break;
-					case 'left':
-					case 'right':
-						o.orientation.x = plc[0];
-						break;
-				}
-			}
-			else {
-				_plc = $.grep(plc, function(word){
-					return /^left|right$/.test(word);
-				});
-				o.orientation.x = _plc[0] || 'auto';
-
-				_plc = $.grep(plc, function(word){
-					return /^top|bottom$/.test(word);
-				});
-				o.orientation.y = _plc[0] || 'auto';
-			}
-			if (o.defaultViewDate instanceof Date || typeof o.defaultViewDate === 'string') {
-				o.defaultViewDate = DPGlobal.parseDate(o.defaultViewDate, format, o.language, o.assumeNearbyYear);
-			} else if (o.defaultViewDate) {
-				var year = o.defaultViewDate.year || new Date().getFullYear();
-				var month = o.defaultViewDate.month || 0;
-				var day = o.defaultViewDate.day || 1;
-				o.defaultViewDate = UTCDate(year, month, day);
-			} else {
-				o.defaultViewDate = UTCToday();
-			}
-		},
-		_applyEvents: function(evs){
-			for (var i=0, el, ch, ev; i < evs.length; i++){
-				el = evs[i][0];
-				if (evs[i].length === 2){
-					ch = undefined;
-					ev = evs[i][1];
-				} else if (evs[i].length === 3){
-					ch = evs[i][1];
-					ev = evs[i][2];
-				}
-				el.on(ev, ch);
-			}
-		},
-		_unapplyEvents: function(evs){
-			for (var i=0, el, ev, ch; i < evs.length; i++){
-				el = evs[i][0];
-				if (evs[i].length === 2){
-					ch = undefined;
-					ev = evs[i][1];
-				} else if (evs[i].length === 3){
-					ch = evs[i][1];
-					ev = evs[i][2];
-				}
-				el.off(ev, ch);
-			}
-		},
-		_buildEvents: function(){
-            var events = {
-                keyup: $.proxy(function(e){
-                    if ($.inArray(e.keyCode, [27, 37, 39, 38, 40, 32, 13, 9]) === -1)
-                        this.update();
-                }, this),
-                keydown: $.proxy(this.keydown, this),
-                paste: $.proxy(this.paste, this)
-            };
-
-            if (this.o.showOnFocus === true) {
-                events.focus = $.proxy(this.show, this);
-            }
-
-            if (this.isInput) { // single input
-                this._events = [
-                    [this.element, events]
-                ];
-            }
-            // component: input + button
-            else if (this.component && this.inputField.length) {
-                this._events = [
-                    // For components that are not readonly, allow keyboard nav
-                    [this.inputField, events],
-                    [this.component, {
-                        click: $.proxy(this.show, this)
-                    }]
-                ];
-            }
-			else {
-				this._events = [
-					[this.element, {
-						click: $.proxy(this.show, this),
-						keydown: $.proxy(this.keydown, this)
-					}]
-				];
-			}
-			this._events.push(
-				// Component: listen for blur on element descendants
-				[this.element, '*', {
-					blur: $.proxy(function(e){
-						this._focused_from = e.target;
-					}, this)
-				}],
-				// Input: listen for blur on element
-				[this.element, {
-					blur: $.proxy(function(e){
-						this._focused_from = e.target;
-					}, this)
-				}]
-			);
-
-			if (this.o.immediateUpdates) {
-				// Trigger input updates immediately on changed year/month
-				this._events.push([this.element, {
-					'changeYear changeMonth': $.proxy(function(e){
-						this.update(e.date);
-					}, this)
-				}]);
-			}
-
-			this._secondaryEvents = [
-				[this.picker, {
-					click: $.proxy(this.click, this)
-				}],
-				[this.picker, '.prev, .next', {
-					click: $.proxy(this.navArrowsClick, this)
-				}],
-				[this.picker, '.day:not(.disabled)', {
-					click: $.proxy(this.dayCellClick, this)
-				}],
-				[$(window), {
-					resize: $.proxy(this.place, this)
-				}],
-				[$(document), {
-					'mousedown touchstart': $.proxy(function(e){
-						// Clicked outside the datepicker, hide it
-						if (!(
-							this.element.is(e.target) ||
-							this.element.find(e.target).length ||
-							this.picker.is(e.target) ||
-							this.picker.find(e.target).length ||
-							this.isInline
-						)){
-							this.hide();
-						}
-					}, this)
-				}]
-			];
-		},
-		_attachEvents: function(){
-			this._detachEvents();
-			this._applyEvents(this._events);
-		},
-		_detachEvents: function(){
-			this._unapplyEvents(this._events);
-		},
-		_attachSecondaryEvents: function(){
-			this._detachSecondaryEvents();
-			this._applyEvents(this._secondaryEvents);
-		},
-		_detachSecondaryEvents: function(){
-			this._unapplyEvents(this._secondaryEvents);
-		},
-		_trigger: function(event, altdate){
-			var date = altdate || this.dates.get(-1),
-				local_date = this._utc_to_local(date);
-
-			this.element.trigger({
-				type: event,
-				date: local_date,
-				viewMode: this.viewMode,
-				dates: $.map(this.dates, this._utc_to_local),
-				format: $.proxy(function(ix, format){
-					if (arguments.length === 0){
-						ix = this.dates.length - 1;
-						format = this.o.format;
-					} else if (typeof ix === 'string'){
-						format = ix;
-						ix = this.dates.length - 1;
-					}
-					format = format || this.o.format;
-					var date = this.dates.get(ix);
-					return DPGlobal.formatDate(date, format, this.o.language);
-				}, this)
-			});
-		},
-
-		show: function(){
-			if (this.inputField.is(':disabled') || (this.inputField.prop('readonly') && this.o.enableOnReadonly === false))
-				return;
-			if (!this.isInline)
-				this.picker.appendTo(this.o.container);
-			this.place();
-			this.picker.show();
-			this._attachSecondaryEvents();
-			this._trigger('show');
-			if ((window.navigator.msMaxTouchPoints || 'ontouchstart' in document) && this.o.disableTouchKeyboard) {
-				$(this.element).blur();
-			}
-			return this;
-		},
-
-		hide: function(){
-			if (this.isInline || !this.picker.is(':visible'))
-				return this;
-			this.focusDate = null;
-			this.picker.hide().detach();
-			this._detachSecondaryEvents();
-			this.setViewMode(this.o.startView);
-
-			if (this.o.forceParse && this.inputField.val())
-				this.setValue();
-			this._trigger('hide');
-			return this;
-		},
-
-		destroy: function(){
-			this.hide();
-			this._detachEvents();
-			this._detachSecondaryEvents();
-			this.picker.remove();
-			delete this.element.data().datepicker;
-			if (!this.isInput){
-				delete this.element.data().date;
-			}
-			return this;
-		},
-
-		paste: function(e){
-			var dateString;
-			if (e.originalEvent.clipboardData && e.originalEvent.clipboardData.types
-				&& $.inArray('text/plain', e.originalEvent.clipboardData.types) !== -1) {
-				dateString = e.originalEvent.clipboardData.getData('text/plain');
-			} else if (window.clipboardData) {
-				dateString = window.clipboardData.getData('Text');
-			} else {
-				return;
-			}
-			this.setDate(dateString);
-			this.update();
-			e.preventDefault();
-		},
-
-		_utc_to_local: function(utc){
-			if (!utc) {
-				return utc;
-			}
-
-			var local = new Date(utc.getTime() + (utc.getTimezoneOffset() * 60000));
-
-			if (local.getTimezoneOffset() !== utc.getTimezoneOffset()) {
-				local = new Date(utc.getTime() + (local.getTimezoneOffset() * 60000));
-			}
-
-			return local;
-		},
-		_local_to_utc: function(local){
-			return local && new Date(local.getTime() - (local.getTimezoneOffset()*60000));
-		},
-		_zero_time: function(local){
-			return local && new Date(local.getFullYear(), local.getMonth(), local.getDate());
-		},
-		_zero_utc_time: function(utc){
-			return utc && UTCDate(utc.getUTCFullYear(), utc.getUTCMonth(), utc.getUTCDate());
-		},
-
-		getDates: function(){
-			return $.map(this.dates, this._utc_to_local);
-		},
-
-		getUTCDates: function(){
-			return $.map(this.dates, function(d){
-				return new Date(d);
-			});
-		},
-
-		getDate: function(){
-			return this._utc_to_local(this.getUTCDate());
-		},
-
-		getUTCDate: function(){
-			var selected_date = this.dates.get(-1);
-			if (selected_date !== undefined) {
-				return new Date(selected_date);
-			} else {
-				return null;
-			}
-		},
-
-		clearDates: function(){
-			this.inputField.val('');
-			this.update();
-			this._trigger('changeDate');
-
-			if (this.o.autoclose) {
-				this.hide();
-			}
-		},
-
-		setDates: function(){
-			var args = $.isArray(arguments[0]) ? arguments[0] : arguments;
-			this.update.apply(this, args);
-			this._trigger('changeDate');
-			this.setValue();
-			return this;
-		},
-
-		setUTCDates: function(){
-			var args = $.isArray(arguments[0]) ? arguments[0] : arguments;
-			this.setDates.apply(this, $.map(args, this._utc_to_local));
-			return this;
-		},
-
-		setDate: alias('setDates'),
-		setUTCDate: alias('setUTCDates'),
-		remove: alias('destroy', 'Method `remove` is deprecated and will be removed in version 2.0. Use `destroy` instead'),
-
-		setValue: function(){
-			var formatted = this.getFormattedDate();
-			this.inputField.val(formatted);
-			return this;
-		},
-
-		getFormattedDate: function(format){
-			if (format === undefined)
-				format = this.o.format;
-
-			var lang = this.o.language;
-			return $.map(this.dates, function(d){
-				return DPGlobal.formatDate(d, format, lang);
-			}).join(this.o.multidateSeparator);
-		},
-
-		getStartDate: function(){
-			return this.o.startDate;
-		},
-
-		setStartDate: function(startDate){
-			this._process_options({startDate: startDate});
-			this.update();
-			this.updateNavArrows();
-			return this;
-		},
-
-		getEndDate: function(){
-			return this.o.endDate;
-		},
-
-		setEndDate: function(endDate){
-			this._process_options({endDate: endDate});
-			this.update();
-			this.updateNavArrows();
-			return this;
-		},
-
-		setDaysOfWeekDisabled: function(daysOfWeekDisabled){
-			this._process_options({daysOfWeekDisabled: daysOfWeekDisabled});
-			this.update();
-			return this;
-		},
-
-		setDaysOfWeekHighlighted: function(daysOfWeekHighlighted){
-			this._process_options({daysOfWeekHighlighted: daysOfWeekHighlighted});
-			this.update();
-			return this;
-		},
-
-		setDatesDisabled: function(datesDisabled){
-			this._process_options({datesDisabled: datesDisabled});
-			this.update();
-			return this;
-		},
-
-		place: function(){
-			if (this.isInline)
-				return this;
-			var calendarWidth = this.picker.outerWidth(),
-				calendarHeight = this.picker.outerHeight(),
-				visualPadding = 10,
-				container = $(this.o.container),
-				windowWidth = container.width(),
-				scrollTop = this.o.container === 'body' ? $(document).scrollTop() : container.scrollTop(),
-				appendOffset = container.offset();
-
-			var parentsZindex = [0];
-			this.element.parents().each(function(){
-				var itemZIndex = $(this).css('z-index');
-				if (itemZIndex !== 'auto' && Number(itemZIndex) !== 0) parentsZindex.push(Number(itemZIndex));
-			});
-			var zIndex = Math.max.apply(Math, parentsZindex) + this.o.zIndexOffset;
-			var offset = this.component ? this.component.parent().offset() : this.element.offset();
-			var height = this.component ? this.component.outerHeight(true) : this.element.outerHeight(false);
-			var width = this.component ? this.component.outerWidth(true) : this.element.outerWidth(false);
-			var left = offset.left - appendOffset.left;
-			var top = offset.top - appendOffset.top;
-
-			if (this.o.container !== 'body') {
-				top += scrollTop;
-			}
-
-			this.picker.removeClass(
-				'datepicker-orient-top datepicker-orient-bottom '+
-				'datepicker-orient-right datepicker-orient-left'
-			);
-
-			if (this.o.orientation.x !== 'auto'){
-				this.picker.addClass('datepicker-orient-' + this.o.orientation.x);
-				if (this.o.orientation.x === 'right')
-					left -= calendarWidth - width;
-			}
-			// auto x orientation is best-placement: if it crosses a window
-			// edge, fudge it sideways
-			else {
-				if (offset.left < 0) {
-					// component is outside the window on the left side. Move it into visible range
-					this.picker.addClass('datepicker-orient-left');
-					left -= offset.left - visualPadding;
-				} else if (left + calendarWidth > windowWidth) {
-					// the calendar passes the widow right edge. Align it to component right side
-					this.picker.addClass('datepicker-orient-right');
-					left += width - calendarWidth;
-				} else {
-					if (this.o.rtl) {
-						// Default to right
-						this.picker.addClass('datepicker-orient-right');
-					} else {
-						// Default to left
-						this.picker.addClass('datepicker-orient-left');
-					}
-				}
-			}
-
-			// auto y orientation is best-situation: top or bottom, no fudging,
-			// decision based on which shows more of the calendar
-			var yorient = this.o.orientation.y,
-				top_overflow;
-			if (yorient === 'auto'){
-				top_overflow = -scrollTop + top - calendarHeight;
-				yorient = top_overflow < 0 ? 'bottom' : 'top';
-			}
-
-			this.picker.addClass('datepicker-orient-' + yorient);
-			if (yorient === 'top')
-				top -= calendarHeight + parseInt(this.picker.css('padding-top'));
-			else
-				top += height;
-
-			if (this.o.rtl) {
-				var right = windowWidth - (left + width);
-				this.picker.css({
-					top: top,
-					right: right,
-					zIndex: zIndex
-				});
-			} else {
-				this.picker.css({
-					top: top,
-					left: left,
-					zIndex: zIndex
-				});
-			}
-			return this;
-		},
-
-		_allow_update: true,
-		update: function(){
-			if (!this._allow_update)
-				return this;
-
-			var oldDates = this.dates.copy(),
-				dates = [],
-				fromArgs = false;
-			if (arguments.length){
-				$.each(arguments, $.proxy(function(i, date){
-					if (date instanceof Date)
-						date = this._local_to_utc(date);
-					dates.push(date);
-				}, this));
-				fromArgs = true;
-			} else {
-				dates = this.isInput
-						? this.element.val()
-						: this.element.data('date') || this.inputField.val();
-				if (dates && this.o.multidate)
-					dates = dates.split(this.o.multidateSeparator);
-				else
-					dates = [dates];
-				delete this.element.data().date;
-			}
-
-			dates = $.map(dates, $.proxy(function(date){
-				return DPGlobal.parseDate(date, this.o.format, this.o.language, this.o.assumeNearbyYear);
-			}, this));
-			dates = $.grep(dates, $.proxy(function(date){
-				return (
-					!this.dateWithinRange(date) ||
-					!date
-				);
-			}, this), true);
-			this.dates.replace(dates);
-
-			if (this.o.updateViewDate) {
-				if (this.dates.length)
-					this.viewDate = new Date(this.dates.get(-1));
-				else if (this.viewDate < this.o.startDate)
-					this.viewDate = new Date(this.o.startDate);
-				else if (this.viewDate > this.o.endDate)
-					this.viewDate = new Date(this.o.endDate);
-				else
-					this.viewDate = this.o.defaultViewDate;
-			}
-
-			if (fromArgs){
-				// setting date by clicking
-				this.setValue();
-				this.element.change();
-			}
-			else if (this.dates.length){
-				// setting date by typing
-				if (String(oldDates) !== String(this.dates) && fromArgs) {
-					this._trigger('changeDate');
-					this.element.change();
-				}
-			}
-			if (!this.dates.length && oldDates.length) {
-				this._trigger('clearDate');
-				this.element.change();
-			}
-
-			this.fill();
-			return this;
-		},
-
-		fillDow: function(){
-      if (this.o.showWeekDays) {
-			var dowCnt = this.o.weekStart,
-				html = '<tr>';
-			if (this.o.calendarWeeks){
-				html += '<th class="cw">&#160;</th>';
-			}
-			while (dowCnt < this.o.weekStart + 7){
-				html += '<th class="dow';
-        if ($.inArray(dowCnt, this.o.daysOfWeekDisabled) !== -1)
-          html += ' disabled';
-        html += '">'+dates[this.o.language].daysMin[(dowCnt++)%7]+'</th>';
-			}
-			html += '</tr>';
-			this.picker.find('.datepicker-days thead').append(html);
-      }
-		},
-
-		fillMonths: function(){
-      var localDate = this._utc_to_local(this.viewDate);
-			var html = '';
-			var focused;
-			for (var i = 0; i < 12; i++){
-				focused = localDate && localDate.getMonth() === i ? ' focused' : '';
-				html += '<span class="month' + focused + '">' + dates[this.o.language].monthsShort[i] + '</span>';
-			}
-			this.picker.find('.datepicker-months td').html(html);
-		},
-
-		setRange: function(range){
-			if (!range || !range.length)
-				delete this.range;
-			else
-				this.range = $.map(range, function(d){
-					return d.valueOf();
-				});
-			this.fill();
-		},
-
-		getClassNames: function(date){
-			var cls = [],
-				year = this.viewDate.getUTCFullYear(),
-				month = this.viewDate.getUTCMonth(),
-				today = UTCToday();
-			if (date.getUTCFullYear() < year || (date.getUTCFullYear() === year && date.getUTCMonth() < month)){
-				cls.push('old');
-			} else if (date.getUTCFullYear() > year || (date.getUTCFullYear() === year && date.getUTCMonth() > month)){
-				cls.push('new');
-			}
-			if (this.focusDate && date.valueOf() === this.focusDate.valueOf())
-				cls.push('focused');
-			// Compare internal UTC date with UTC today, not local today
-			if (this.o.todayHighlight && isUTCEquals(date, today)) {
-				cls.push('today');
-			}
-			if (this.dates.contains(date) !== -1)
-				cls.push('active');
-			if (!this.dateWithinRange(date)){
-				cls.push('disabled');
-			}
-			if (this.dateIsDisabled(date)){
-				cls.push('disabled', 'disabled-date');
-			}
-			if ($.inArray(date.getUTCDay(), this.o.daysOfWeekHighlighted) !== -1){
-				cls.push('highlighted');
-			}
-
-			if (this.range){
-				if (date > this.range[0] && date < this.range[this.range.length-1]){
-					cls.push('range');
-				}
-				if ($.inArray(date.valueOf(), this.range) !== -1){
-					cls.push('selected');
-				}
-				if (date.valueOf() === this.range[0]){
-          cls.push('range-start');
-        }
-        if (date.valueOf() === this.range[this.range.length-1]){
-          cls.push('range-end');
-        }
-			}
-			return cls;
-		},
-
-		_fill_yearsView: function(selector, cssClass, factor, year, startYear, endYear, beforeFn){
-			var html = '';
-			var step = factor / 10;
-			var view = this.picker.find(selector);
-			var startVal = Math.floor(year / factor) * factor;
-			var endVal = startVal + step * 9;
-			var focusedVal = Math.floor(this.viewDate.getFullYear() / step) * step;
-			var selected = $.map(this.dates, function(d){
-				return Math.floor(d.getUTCFullYear() / step) * step;
-			});
-
-			var classes, tooltip, before;
-			for (var currVal = startVal - step; currVal <= endVal + step; currVal += step) {
-				classes = [cssClass];
-				tooltip = null;
-
-				if (currVal === startVal - step) {
-					classes.push('old');
-				} else if (currVal === endVal + step) {
-					classes.push('new');
-				}
-				if ($.inArray(currVal, selected) !== -1) {
-					classes.push('active');
-				}
-				if (currVal < startYear || currVal > endYear) {
-					classes.push('disabled');
-				}
-				if (currVal === focusedVal) {
-				  classes.push('focused');
-        }
-
-				if (beforeFn !== $.noop) {
-					before = beforeFn(new Date(currVal, 0, 1));
-					if (before === undefined) {
-						before = {};
-					} else if (typeof before === 'boolean') {
-						before = {enabled: before};
-					} else if (typeof before === 'string') {
-						before = {classes: before};
-					}
-					if (before.enabled === false) {
-						classes.push('disabled');
-					}
-					if (before.classes) {
-						classes = classes.concat(before.classes.split(/\s+/));
-					}
-					if (before.tooltip) {
-						tooltip = before.tooltip;
-					}
-				}
-
-				html += '<span class="' + classes.join(' ') + '"' + (tooltip ? ' title="' + tooltip + '"' : '') + '>' + currVal + '</span>';
-			}
-
-			view.find('.datepicker-switch').text(startVal + '-' + endVal);
-			view.find('td').html(html);
-		},
-
-		fill: function(){
-			var d = new Date(this.viewDate),
-				year = d.getUTCFullYear(),
-				month = d.getUTCMonth(),
-				startYear = this.o.startDate !== -Infinity ? this.o.startDate.getUTCFullYear() : -Infinity,
-				startMonth = this.o.startDate !== -Infinity ? this.o.startDate.getUTCMonth() : -Infinity,
-				endYear = this.o.endDate !== Infinity ? this.o.endDate.getUTCFullYear() : Infinity,
-				endMonth = this.o.endDate !== Infinity ? this.o.endDate.getUTCMonth() : Infinity,
-				todaytxt = dates[this.o.language].today || dates['en'].today || '',
-				cleartxt = dates[this.o.language].clear || dates['en'].clear || '',
-        titleFormat = dates[this.o.language].titleFormat || dates['en'].titleFormat,
-        todayDate = UTCToday(),
-        titleBtnVisible = (this.o.todayBtn === true || this.o.todayBtn === 'linked') && todayDate >= this.o.startDate && todayDate <= this.o.endDate && !this.weekOfDateIsDisabled(todayDate),
-				tooltip,
-				before;
-			if (isNaN(year) || isNaN(month))
-				return;
-			this.picker.find('.datepicker-days .datepicker-switch')
-						.text(DPGlobal.formatDate(d, titleFormat, this.o.language));
-			this.picker.find('tfoot .today')
-						.text(todaytxt)
-            .css('display', titleBtnVisible ? 'table-cell' : 'none');
-			this.picker.find('tfoot .clear')
-						.text(cleartxt)
-						.css('display', this.o.clearBtn === true ? 'table-cell' : 'none');
-			this.picker.find('thead .datepicker-title')
-						.text(this.o.title)
-						.css('display', typeof this.o.title === 'string' && this.o.title !== '' ? 'table-cell' : 'none');
-			this.updateNavArrows();
-			this.fillMonths();
-			var prevMonth = UTCDate(year, month, 0),
-				day = prevMonth.getUTCDate();
-			prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.o.weekStart + 7)%7);
-			var nextMonth = new Date(prevMonth);
-			if (prevMonth.getUTCFullYear() < 100){
-        nextMonth.setUTCFullYear(prevMonth.getUTCFullYear());
-      }
-			nextMonth.setUTCDate(nextMonth.getUTCDate() + 42);
-			nextMonth = nextMonth.valueOf();
-			var html = [];
-			var weekDay, clsName;
-			while (prevMonth.valueOf() < nextMonth){
-				weekDay = prevMonth.getUTCDay();
-				if (weekDay === this.o.weekStart){
-					html.push('<tr>');
-					if (this.o.calendarWeeks){
-						// ISO 8601: First week contains first thursday.
-						// ISO also states week starts on Monday, but we can be more abstract here.
-						var
-							// Start of current week: based on weekstart/current date
-							ws = new Date(+prevMonth + (this.o.weekStart - weekDay - 7) % 7 * 864e5),
-							// Thursday of this week
-							th = new Date(Number(ws) + (7 + 4 - ws.getUTCDay()) % 7 * 864e5),
-							// First Thursday of year, year from thursday
-							yth = new Date(Number(yth = UTCDate(th.getUTCFullYear(), 0, 1)) + (7 + 4 - yth.getUTCDay()) % 7 * 864e5),
-							// Calendar week: ms between thursdays, div ms per day, div 7 days
-							calWeek = (th - yth) / 864e5 / 7 + 1;
-						html.push('<td class="cw">'+ calWeek +'</td>');
-					}
-				}
-				clsName = this.getClassNames(prevMonth);
-				clsName.push('day');
-
-				var content = prevMonth.getUTCDate();
-
-				if (this.o.beforeShowDay !== $.noop){
-					before = this.o.beforeShowDay(this._utc_to_local(prevMonth));
-					if (before === undefined)
-						before = {};
-					else if (typeof before === 'boolean')
-						before = {enabled: before};
-					else if (typeof before === 'string')
-						before = {classes: before};
-					if (before.enabled === false)
-						clsName.push('disabled');
-					if (before.classes)
-						clsName = clsName.concat(before.classes.split(/\s+/));
-					if (before.tooltip)
-						tooltip = before.tooltip;
-					if (before.content)
-						content = before.content;
-				}
-
-				//Check if uniqueSort exists (supported by jquery >=1.12 and >=2.2)
-				//Fallback to unique function for older jquery versions
-				if ($.isFunction($.uniqueSort)) {
-					clsName = $.uniqueSort(clsName);
-				} else {
-					clsName = $.unique(clsName);
-				}
-
-				html.push('<td class="'+clsName.join(' ')+'"' + (tooltip ? ' title="'+tooltip+'"' : '') + ' data-date="' + prevMonth.getTime().toString() + '">' + content + '</td>');
-				tooltip = null;
-				if (weekDay === this.o.weekEnd){
-					html.push('</tr>');
-				}
-				prevMonth.setUTCDate(prevMonth.getUTCDate() + 1);
-			}
-			this.picker.find('.datepicker-days tbody').html(html.join(''));
-
-			var monthsTitle = dates[this.o.language].monthsTitle || dates['en'].monthsTitle || 'Months';
-			var months = this.picker.find('.datepicker-months')
-						.find('.datepicker-switch')
-							.text(this.o.maxViewMode < 2 ? monthsTitle : year)
-							.end()
-						.find('tbody span').removeClass('active');
-
-			$.each(this.dates, function(i, d){
-				if (d.getUTCFullYear() === year)
-					months.eq(d.getUTCMonth()).addClass('active');
-			});
-
-			if (year < startYear || year > endYear){
-				months.addClass('disabled');
-			}
-			if (year === startYear){
-				months.slice(0, startMonth).addClass('disabled');
-			}
-			if (year === endYear){
-				months.slice(endMonth+1).addClass('disabled');
-			}
-
-			if (this.o.beforeShowMonth !== $.noop){
-				var that = this;
-				$.each(months, function(i, month){
-          var moDate = new Date(year, i, 1);
-          var before = that.o.beforeShowMonth(moDate);
-					if (before === undefined)
-						before = {};
-					else if (typeof before === 'boolean')
-						before = {enabled: before};
-					else if (typeof before === 'string')
-						before = {classes: before};
-					if (before.enabled === false && !$(month).hasClass('disabled'))
-					    $(month).addClass('disabled');
-					if (before.classes)
-					    $(month).addClass(before.classes);
-					if (before.tooltip)
-					    $(month).prop('title', before.tooltip);
-				});
-			}
-
-			// Generating decade/years picker
-			this._fill_yearsView(
-				'.datepicker-years',
-				'year',
-				10,
-				year,
-				startYear,
-				endYear,
-				this.o.beforeShowYear
-			);
-
-			// Generating century/decades picker
-			this._fill_yearsView(
-				'.datepicker-decades',
-				'decade',
-				100,
-				year,
-				startYear,
-				endYear,
-				this.o.beforeShowDecade
-			);
-
-			// Generating millennium/centuries picker
-			this._fill_yearsView(
-				'.datepicker-centuries',
-				'century',
-				1000,
-				year,
-				startYear,
-				endYear,
-				this.o.beforeShowCentury
-			);
-		},
-
-		updateNavArrows: function(){
-			if (!this._allow_update)
-				return;
-
-			var d = new Date(this.viewDate),
-				year = d.getUTCFullYear(),
-				month = d.getUTCMonth(),
-				startYear = this.o.startDate !== -Infinity ? this.o.startDate.getUTCFullYear() : -Infinity,
-				startMonth = this.o.startDate !== -Infinity ? this.o.startDate.getUTCMonth() : -Infinity,
-				endYear = this.o.endDate !== Infinity ? this.o.endDate.getUTCFullYear() : Infinity,
-				endMonth = this.o.endDate !== Infinity ? this.o.endDate.getUTCMonth() : Infinity,
-				prevIsDisabled,
-				nextIsDisabled,
-				factor = 1;
-			switch (this.viewMode){
-				case 4:
-					factor *= 10;
-					/* falls through */
-				case 3:
-					factor *= 10;
-					/* falls through */
-				case 2:
-					factor *= 10;
-					/* falls through */
-				case 1:
-					prevIsDisabled = Math.floor(year / factor) * factor <= startYear;
-					nextIsDisabled = Math.floor(year / factor) * factor + factor > endYear;
-					break;
-				case 0:
-					prevIsDisabled = year <= startYear && month <= startMonth;
-					nextIsDisabled = year >= endYear && month >= endMonth;
-					break;
-			}
-
-			this.picker.find('.prev').toggleClass('disabled', prevIsDisabled);
-			this.picker.find('.next').toggleClass('disabled', nextIsDisabled);
-		},
-
-		click: function(e){
-			e.preventDefault();
-			e.stopPropagation();
-
-			var target, dir, day, year, month;
-			target = $(e.target);
-
-			// Clicked on the switch
-			if (target.hasClass('datepicker-switch') && this.viewMode !== this.o.maxViewMode){
-				this.setViewMode(this.viewMode + 1);
-			}
-
-			// Clicked on today button
-			if (target.hasClass('today') && !target.hasClass('day')){
-				this.setViewMode(0);
-				this._setDate(UTCToday(), this.o.todayBtn === 'linked' ? null : 'view');
-			}
-
-			// Clicked on clear button
-			if (target.hasClass('clear')){
-				this.clearDates();
-			}
-
-			if (!target.hasClass('disabled')){
-				// Clicked on a month, year, decade, century
-				if (target.hasClass('month')
-						|| target.hasClass('year')
-						|| target.hasClass('decade')
-						|| target.hasClass('century')) {
-					this.viewDate.setUTCDate(1);
-
-					day = 1;
-					if (this.viewMode === 1){
-						month = target.parent().find('span').index(target);
-						year = this.viewDate.getUTCFullYear();
-						this.viewDate.setUTCMonth(month);
-					} else {
-						month = 0;
-						year = Number(target.text());
-						this.viewDate.setUTCFullYear(year);
-					}
-
-					this._trigger(DPGlobal.viewModes[this.viewMode - 1].e, this.viewDate);
-
-					if (this.viewMode === this.o.minViewMode){
-						this._setDate(UTCDate(year, month, day));
-					} else {
-						this.setViewMode(this.viewMode - 1);
-						this.fill();
-					}
-				}
-			}
-
-			if (this.picker.is(':visible') && this._focused_from){
-				this._focused_from.focus();
-			}
-			delete this._focused_from;
-		},
-
-		dayCellClick: function(e){
-			var $target = $(e.currentTarget);
-			var timestamp = $target.data('date');
-			var date = new Date(timestamp);
-
-			if (this.o.updateViewDate) {
-				if (date.getUTCFullYear() !== this.viewDate.getUTCFullYear()) {
-					this._trigger('changeYear', this.viewDate);
-				}
-
-				if (date.getUTCMonth() !== this.viewDate.getUTCMonth()) {
-					this._trigger('changeMonth', this.viewDate);
-				}
-			}
-			this._setDate(date);
-		},
-
-		// Clicked on prev or next
-		navArrowsClick: function(e){
-			var $target = $(e.currentTarget);
-			var dir = $target.hasClass('prev') ? -1 : 1;
-			if (this.viewMode !== 0){
-				dir *= DPGlobal.viewModes[this.viewMode].navStep * 12;
-			}
-			this.viewDate = this.moveMonth(this.viewDate, dir);
-			this._trigger(DPGlobal.viewModes[this.viewMode].e, this.viewDate);
-			this.fill();
-		},
-
-		_toggle_multidate: function(date){
-			var ix = this.dates.contains(date);
-			if (!date){
-				this.dates.clear();
-			}
-
-			if (ix !== -1){
-				if (this.o.multidate === true || this.o.multidate > 1 || this.o.toggleActive){
-					this.dates.remove(ix);
-				}
-			} else if (this.o.multidate === false) {
-				this.dates.clear();
-				this.dates.push(date);
-			}
-			else {
-				this.dates.push(date);
-			}
-
-			if (typeof this.o.multidate === 'number')
-				while (this.dates.length > this.o.multidate)
-					this.dates.remove(0);
-		},
-
-		_setDate: function(date, which){
-			if (!which || which === 'date')
-				this._toggle_multidate(date && new Date(date));
-			if ((!which && this.o.updateViewDate) || which === 'view')
-				this.viewDate = date && new Date(date);
-
-			this.fill();
-			this.setValue();
-			if (!which || which !== 'view') {
-				this._trigger('changeDate');
-			}
-			this.inputField.trigger('change');
-			if (this.o.autoclose && (!which || which === 'date')){
-				this.hide();
-			}
-		},
-
-		moveDay: function(date, dir){
-			var newDate = new Date(date);
-			newDate.setUTCDate(date.getUTCDate() + dir);
-
-			return newDate;
-		},
-
-		moveWeek: function(date, dir){
-			return this.moveDay(date, dir * 7);
-		},
-
-		moveMonth: function(date, dir){
-			if (!isValidDate(date))
-				return this.o.defaultViewDate;
-			if (!dir)
-				return date;
-			var new_date = new Date(date.valueOf()),
-				day = new_date.getUTCDate(),
-				month = new_date.getUTCMonth(),
-				mag = Math.abs(dir),
-				new_month, test;
-			dir = dir > 0 ? 1 : -1;
-			if (mag === 1){
-				test = dir === -1
-					// If going back one month, make sure month is not current month
-					// (eg, Mar 31 -> Feb 31 == Feb 28, not Mar 02)
-					? function(){
-						return new_date.getUTCMonth() === month;
-					}
-					// If going forward one month, make sure month is as expected
-					// (eg, Jan 31 -> Feb 31 == Feb 28, not Mar 02)
-					: function(){
-						return new_date.getUTCMonth() !== new_month;
-					};
-				new_month = month + dir;
-				new_date.setUTCMonth(new_month);
-				// Dec -> Jan (12) or Jan -> Dec (-1) -- limit expected date to 0-11
-				new_month = (new_month + 12) % 12;
-			}
-			else {
-				// For magnitudes >1, move one month at a time...
-				for (var i=0; i < mag; i++)
-					// ...which might decrease the day (eg, Jan 31 to Feb 28, etc)...
-					new_date = this.moveMonth(new_date, dir);
-				// ...then reset the day, keeping it in the new month
-				new_month = new_date.getUTCMonth();
-				new_date.setUTCDate(day);
-				test = function(){
-					return new_month !== new_date.getUTCMonth();
-				};
-			}
-			// Common date-resetting loop -- if date is beyond end of month, make it
-			// end of month
-			while (test()){
-				new_date.setUTCDate(--day);
-				new_date.setUTCMonth(new_month);
-			}
-			return new_date;
-		},
-
-		moveYear: function(date, dir){
-			return this.moveMonth(date, dir*12);
-		},
-
-		moveAvailableDate: function(date, dir, fn){
-			do {
-				date = this[fn](date, dir);
-
-				if (!this.dateWithinRange(date))
-					return false;
-
-				fn = 'moveDay';
-			}
-			while (this.dateIsDisabled(date));
-
-			return date;
-		},
-
-		weekOfDateIsDisabled: function(date){
-			return $.inArray(date.getUTCDay(), this.o.daysOfWeekDisabled) !== -1;
-		},
-
-		dateIsDisabled: function(date){
-			return (
-				this.weekOfDateIsDisabled(date) ||
-				$.grep(this.o.datesDisabled, function(d){
-					return isUTCEquals(date, d);
-				}).length > 0
-			);
-		},
-
-		dateWithinRange: function(date){
-			return date >= this.o.startDate && date <= this.o.endDate;
-		},
-
-		keydown: function(e){
-			if (!this.picker.is(':visible')){
-				if (e.keyCode === 40 || e.keyCode === 27) { // allow down to re-show picker
-					this.show();
-					e.stopPropagation();
-        }
-				return;
-			}
-			var dateChanged = false,
-				dir, newViewDate,
-				focusDate = this.focusDate || this.viewDate;
-			switch (e.keyCode){
-				case 27: // escape
-					if (this.focusDate){
-						this.focusDate = null;
-						this.viewDate = this.dates.get(-1) || this.viewDate;
-						this.fill();
-					}
-					else
-						this.hide();
-					e.preventDefault();
-					e.stopPropagation();
-					break;
-				case 37: // left
-				case 38: // up
-				case 39: // right
-				case 40: // down
-					if (!this.o.keyboardNavigation || this.o.daysOfWeekDisabled.length === 7)
-						break;
-					dir = e.keyCode === 37 || e.keyCode === 38 ? -1 : 1;
-          if (this.viewMode === 0) {
-  					if (e.ctrlKey){
-  						newViewDate = this.moveAvailableDate(focusDate, dir, 'moveYear');
-
-  						if (newViewDate)
-  							this._trigger('changeYear', this.viewDate);
-  					} else if (e.shiftKey){
-  						newViewDate = this.moveAvailableDate(focusDate, dir, 'moveMonth');
-
-  						if (newViewDate)
-  							this._trigger('changeMonth', this.viewDate);
-  					} else if (e.keyCode === 37 || e.keyCode === 39){
-  						newViewDate = this.moveAvailableDate(focusDate, dir, 'moveDay');
-  					} else if (!this.weekOfDateIsDisabled(focusDate)){
-  						newViewDate = this.moveAvailableDate(focusDate, dir, 'moveWeek');
-  					}
-          } else if (this.viewMode === 1) {
-            if (e.keyCode === 38 || e.keyCode === 40) {
-              dir = dir * 4;
-            }
-            newViewDate = this.moveAvailableDate(focusDate, dir, 'moveMonth');
-          } else if (this.viewMode === 2) {
-            if (e.keyCode === 38 || e.keyCode === 40) {
-              dir = dir * 4;
-            }
-            newViewDate = this.moveAvailableDate(focusDate, dir, 'moveYear');
-          }
-					if (newViewDate){
-						this.focusDate = this.viewDate = newViewDate;
-						this.setValue();
-						this.fill();
-						e.preventDefault();
-					}
-					break;
-				case 13: // enter
-					if (!this.o.forceParse)
-						break;
-					focusDate = this.focusDate || this.dates.get(-1) || this.viewDate;
-					if (this.o.keyboardNavigation) {
-						this._toggle_multidate(focusDate);
-						dateChanged = true;
-					}
-					this.focusDate = null;
-					this.viewDate = this.dates.get(-1) || this.viewDate;
-					this.setValue();
-					this.fill();
-					if (this.picker.is(':visible')){
-						e.preventDefault();
-						e.stopPropagation();
-						if (this.o.autoclose)
-							this.hide();
-					}
-					break;
-				case 9: // tab
-					this.focusDate = null;
-					this.viewDate = this.dates.get(-1) || this.viewDate;
-					this.fill();
-					this.hide();
-					break;
-			}
-			if (dateChanged){
-				if (this.dates.length)
-					this._trigger('changeDate');
-				else
-					this._trigger('clearDate');
-				this.inputField.trigger('change');
-			}
-		},
-
-		setViewMode: function(viewMode){
-			this.viewMode = viewMode;
-			this.picker
-				.children('div')
-				.hide()
-				.filter('.datepicker-' + DPGlobal.viewModes[this.viewMode].clsName)
-					.show();
-			this.updateNavArrows();
-      this._trigger('changeViewMode', new Date(this.viewDate));
-		}
-	};
-
-	var DateRangePicker = function(element, options){
-		$.data(element, 'datepicker', this);
-		this.element = $(element);
-		this.inputs = $.map(options.inputs, function(i){
-			return i.jquery ? i[0] : i;
-		});
-		delete options.inputs;
-
-		this.keepEmptyValues = options.keepEmptyValues;
-		delete options.keepEmptyValues;
-
-		datepickerPlugin.call($(this.inputs), options)
-			.on('changeDate', $.proxy(this.dateUpdated, this));
-
-		this.pickers = $.map(this.inputs, function(i){
-			return $.data(i, 'datepicker');
-		});
-		this.updateDates();
-	};
-	DateRangePicker.prototype = {
-		updateDates: function(){
-			this.dates = $.map(this.pickers, function(i){
-				return i.getUTCDate();
-			});
-			this.updateRanges();
-		},
-		updateRanges: function(){
-			var range = $.map(this.dates, function(d){
-				return d.valueOf();
-			});
-			$.each(this.pickers, function(i, p){
-				p.setRange(range);
-			});
-		},
-		clearDates: function(){
-			$.each(this.pickers, function(i, p){
-				p.clearDates();
-			});
-		},
-		dateUpdated: function(e){
-			// `this.updating` is a workaround for preventing infinite recursion
-			// between `changeDate` triggering and `setUTCDate` calling.  Until
-			// there is a better mechanism.
-			if (this.updating)
-				return;
-			this.updating = true;
-
-			var dp = $.data(e.target, 'datepicker');
-
-			if (dp === undefined) {
-				return;
-			}
-
-			var new_date = dp.getUTCDate(),
-				keep_empty_values = this.keepEmptyValues,
-				i = $.inArray(e.target, this.inputs),
-				j = i - 1,
-				k = i + 1,
-				l = this.inputs.length;
-			if (i === -1)
-				return;
-
-			$.each(this.pickers, function(i, p){
-				if (!p.getUTCDate() && (p === dp || !keep_empty_values))
-					p.setUTCDate(new_date);
-			});
-
-			if (new_date < this.dates[j]){
-				// Date being moved earlier/left
-				while (j >= 0 && new_date < this.dates[j]){
-					this.pickers[j--].setUTCDate(new_date);
-				}
-			} else if (new_date > this.dates[k]){
-				// Date being moved later/right
-				while (k < l && new_date > this.dates[k]){
-					this.pickers[k++].setUTCDate(new_date);
-				}
-			}
-			this.updateDates();
-
-			delete this.updating;
-		},
-		destroy: function(){
-			$.map(this.pickers, function(p){ p.destroy(); });
-			$(this.inputs).off('changeDate', this.dateUpdated);
-			delete this.element.data().datepicker;
-		},
-		remove: alias('destroy', 'Method `remove` is deprecated and will be removed in version 2.0. Use `destroy` instead')
-	};
-
-	function opts_from_el(el, prefix){
-		// Derive options from element data-attrs
-		var data = $(el).data(),
-			out = {}, inkey,
-			replace = new RegExp('^' + prefix.toLowerCase() + '([A-Z])');
-		prefix = new RegExp('^' + prefix.toLowerCase());
-		function re_lower(_,a){
-			return a.toLowerCase();
-		}
-		for (var key in data)
-			if (prefix.test(key)){
-				inkey = key.replace(replace, re_lower);
-				out[inkey] = data[key];
-			}
-		return out;
-	}
-
-	function opts_from_locale(lang){
-		// Derive options from locale plugins
-		var out = {};
-		// Check if "de-DE" style date is available, if not language should
-		// fallback to 2 letter code eg "de"
-		if (!dates[lang]){
-			lang = lang.split('-')[0];
-			if (!dates[lang])
-				return;
-		}
-		var d = dates[lang];
-		$.each(locale_opts, function(i,k){
-			if (k in d)
-				out[k] = d[k];
-		});
-		return out;
-	}
-
-	var old = $.fn.datepicker;
-	var datepickerPlugin = function(option){
-		var args = Array.apply(null, arguments);
-		args.shift();
-		var internal_return;
-		this.each(function(){
-			var $this = $(this),
-				data = $this.data('datepicker'),
-				options = typeof option === 'object' && option;
-			if (!data){
-				var elopts = opts_from_el(this, 'date'),
-					// Preliminary otions
-					xopts = $.extend({}, defaults, elopts, options),
-					locopts = opts_from_locale(xopts.language),
-					// Options priority: js args, data-attrs, locales, defaults
-					opts = $.extend({}, defaults, locopts, elopts, options);
-				if ($this.hasClass('input-daterange') || opts.inputs){
-					$.extend(opts, {
-						inputs: opts.inputs || $this.find('input').toArray()
-					});
-					data = new DateRangePicker(this, opts);
-				}
-				else {
-					data = new Datepicker(this, opts);
-				}
-				$this.data('datepicker', data);
-			}
-			if (typeof option === 'string' && typeof data[option] === 'function'){
-				internal_return = data[option].apply(data, args);
-			}
-		});
-
-		if (
-			internal_return === undefined ||
-			internal_return instanceof Datepicker ||
-			internal_return instanceof DateRangePicker
-		)
-			return this;
-
-		if (this.length > 1)
-			throw new Error('Using only allowed for the collection of a single element (' + option + ' function)');
-		else
-			return internal_return;
-	};
-	$.fn.datepicker = datepickerPlugin;
-
-	var defaults = $.fn.datepicker.defaults = {
-		assumeNearbyYear: false,
-		autoclose: false,
-		beforeShowDay: $.noop,
-		beforeShowMonth: $.noop,
-		beforeShowYear: $.noop,
-		beforeShowDecade: $.noop,
-		beforeShowCentury: $.noop,
-		calendarWeeks: false,
-		clearBtn: false,
-		toggleActive: false,
-		daysOfWeekDisabled: [],
-		daysOfWeekHighlighted: [],
-		datesDisabled: [],
-		endDate: Infinity,
-		forceParse: true,
-		format: 'mm/dd/yyyy',
-		keepEmptyValues: false,
-		keyboardNavigation: true,
-		language: 'en',
-		minViewMode: 0,
-		maxViewMode: 4,
-		multidate: false,
-		multidateSeparator: ',',
-		orientation: "auto",
-		rtl: false,
-		startDate: -Infinity,
-		startView: 0,
-		todayBtn: false,
-		todayHighlight: false,
-		updateViewDate: true,
-		weekStart: 0,
-		disableTouchKeyboard: false,
-		enableOnReadonly: true,
-		showOnFocus: true,
-		zIndexOffset: 10,
-		container: 'body',
-		immediateUpdates: false,
-		title: '',
-		templates: {
-			leftArrow: '&#x00AB;',
-			rightArrow: '&#x00BB;'
-		},
-    showWeekDays: true
-	};
-	var locale_opts = $.fn.datepicker.locale_opts = [
-		'format',
-		'rtl',
-		'weekStart'
-	];
-	$.fn.datepicker.Constructor = Datepicker;
-	var dates = $.fn.datepicker.dates = {
-		en: {
-			days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
-			daysShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
-			daysMin: ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"],
-			months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
-			monthsShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
-			today: "Today",
-			clear: "Clear",
-			titleFormat: "MM yyyy"
-		}
-	};
-
-	var DPGlobal = {
-		viewModes: [
-			{
-				names: ['days', 'month'],
-				clsName: 'days',
-				e: 'changeMonth'
-			},
-			{
-				names: ['months', 'year'],
-				clsName: 'months',
-				e: 'changeYear',
-				navStep: 1
-			},
-			{
-				names: ['years', 'decade'],
-				clsName: 'years',
-				e: 'changeDecade',
-				navStep: 10
-			},
-			{
-				names: ['decades', 'century'],
-				clsName: 'decades',
-				e: 'changeCentury',
-				navStep: 100
-			},
-			{
-				names: ['centuries', 'millennium'],
-				clsName: 'centuries',
-				e: 'changeMillennium',
-				navStep: 1000
-			}
-		],
-		validParts: /dd?|DD?|mm?|MM?|yy(?:yy)?/g,
-		nonpunctuation: /[^ -\/:-@\u5e74\u6708\u65e5\[-`{-~\t\n\r]+/g,
-		parseFormat: function(format){
-			if (typeof format.toValue === 'function' && typeof format.toDisplay === 'function')
-                return format;
-            // IE treats \0 as a string end in inputs (truncating the value),
-			// so it's a bad format delimiter, anyway
-			var separators = format.replace(this.validParts, '\0').split('\0'),
-				parts = format.match(this.validParts);
-			if (!separators || !separators.length || !parts || parts.length === 0){
-				throw new Error("Invalid date format.");
-			}
-			return {separators: separators, parts: parts};
-		},
-		parseDate: function(date, format, language, assumeNearby){
-			if (!date)
-				return undefined;
-			if (date instanceof Date)
-				return date;
-			if (typeof format === 'string')
-				format = DPGlobal.parseFormat(format);
-			if (format.toValue)
-				return format.toValue(date, format, language);
-			var fn_map = {
-					d: 'moveDay',
-					m: 'moveMonth',
-					w: 'moveWeek',
-					y: 'moveYear'
-				},
-				dateAliases = {
-					yesterday: '-1d',
-					today: '+0d',
-					tomorrow: '+1d'
-				},
-				parts, part, dir, i, fn;
-			if (date in dateAliases){
-				date = dateAliases[date];
-			}
-			if (/^[\-+]\d+[dmwy]([\s,]+[\-+]\d+[dmwy])*$/i.test(date)){
-				parts = date.match(/([\-+]\d+)([dmwy])/gi);
-				date = new Date();
-				for (i=0; i < parts.length; i++){
-					part = parts[i].match(/([\-+]\d+)([dmwy])/i);
-					dir = Number(part[1]);
-					fn = fn_map[part[2].toLowerCase()];
-					date = Datepicker.prototype[fn](date, dir);
-				}
-				return Datepicker.prototype._zero_utc_time(date);
-			}
-
-			parts = date && date.match(this.nonpunctuation) || [];
-
-			function applyNearbyYear(year, threshold){
-				if (threshold === true)
-					threshold = 10;
-
-				// if year is 2 digits or less, than the user most likely is trying to get a recent century
-				if (year < 100){
-					year += 2000;
-					// if the new year is more than threshold years in advance, use last century
-					if (year > ((new Date()).getFullYear()+threshold)){
-						year -= 100;
-					}
-				}
-
-				return year;
-			}
-
-			var parsed = {},
-				setters_order = ['yyyy', 'yy', 'M', 'MM', 'm', 'mm', 'd', 'dd'],
-				setters_map = {
-					yyyy: function(d,v){
-						return d.setUTCFullYear(assumeNearby ? applyNearbyYear(v, assumeNearby) : v);
-					},
-					m: function(d,v){
-						if (isNaN(d))
-							return d;
-						v -= 1;
-						while (v < 0) v += 12;
-						v %= 12;
-						d.setUTCMonth(v);
-						while (d.getUTCMonth() !== v)
-							d.setUTCDate(d.getUTCDate()-1);
-						return d;
-					},
-					d: function(d,v){
-						return d.setUTCDate(v);
-					}
-				},
-				val, filtered;
-			setters_map['yy'] = setters_map['yyyy'];
-			setters_map['M'] = setters_map['MM'] = setters_map['mm'] = setters_map['m'];
-			setters_map['dd'] = setters_map['d'];
-			date = UTCToday();
-			var fparts = format.parts.slice();
-			// Remove noop parts
-			if (parts.length !== fparts.length){
-				fparts = $(fparts).filter(function(i,p){
-					return $.inArray(p, setters_order) !== -1;
-				}).toArray();
-			}
-			// Process remainder
-			function match_part(){
-				var m = this.slice(0, parts[i].length),
-					p = parts[i].slice(0, m.length);
-				return m.toLowerCase() === p.toLowerCase();
-			}
-			if (parts.length === fparts.length){
-				var cnt;
-				for (i=0, cnt = fparts.length; i < cnt; i++){
-					val = parseInt(parts[i], 10);
-					part = fparts[i];
-					if (isNaN(val)){
-						switch (part){
-							case 'MM':
-								filtered = $(dates[language].months).filter(match_part);
-								val = $.inArray(filtered[0], dates[language].months) + 1;
-								break;
-							case 'M':
-								filtered = $(dates[language].monthsShort).filter(match_part);
-								val = $.inArray(filtered[0], dates[language].monthsShort) + 1;
-								break;
-						}
-					}
-					parsed[part] = val;
-				}
-				var _date, s;
-				for (i=0; i < setters_order.length; i++){
-					s = setters_order[i];
-					if (s in parsed && !isNaN(parsed[s])){
-						_date = new Date(date);
-						setters_map[s](_date, parsed[s]);
-						if (!isNaN(_date))
-							date = _date;
-					}
-				}
-			}
-			return date;
-		},
-		formatDate: function(date, format, language){
-			if (!date)
-				return '';
-			if (typeof format === 'string')
-				format = DPGlobal.parseFormat(format);
-			if (format.toDisplay)
-                return format.toDisplay(date, format, language);
-            var val = {
-				d: date.getUTCDate(),
-				D: dates[language].daysShort[date.getUTCDay()],
-				DD: dates[language].days[date.getUTCDay()],
-				m: date.getUTCMonth() + 1,
-				M: dates[language].monthsShort[date.getUTCMonth()],
-				MM: dates[language].months[date.getUTCMonth()],
-				yy: date.getUTCFullYear().toString().substring(2),
-				yyyy: date.getUTCFullYear()
-			};
-			val.dd = (val.d < 10 ? '0' : '') + val.d;
-			val.mm = (val.m < 10 ? '0' : '') + val.m;
-			date = [];
-			var seps = $.extend([], format.separators);
-			for (var i=0, cnt = format.parts.length; i <= cnt; i++){
-				if (seps.length)
-					date.push(seps.shift());
-				date.push(val[format.parts[i]]);
-			}
-			return date.join('');
-		},
-		headTemplate: '<thead>'+
-			              '<tr>'+
-			                '<th colspan="7" class="datepicker-title"></th>'+
-			              '</tr>'+
-							'<tr>'+
-								'<th class="prev">'+defaults.templates.leftArrow+'</th>'+
-								'<th colspan="5" class="datepicker-switch"></th>'+
-								'<th class="next">'+defaults.templates.rightArrow+'</th>'+
-							'</tr>'+
-						'</thead>',
-		contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
-		footTemplate: '<tfoot>'+
-							'<tr>'+
-								'<th colspan="7" class="today"></th>'+
-							'</tr>'+
-							'<tr>'+
-								'<th colspan="7" class="clear"></th>'+
-							'</tr>'+
-						'</tfoot>'
-	};
-	DPGlobal.template = '<div class="datepicker">'+
-							'<div class="datepicker-days">'+
-								'<table class="table-condensed">'+
-									DPGlobal.headTemplate+
-									'<tbody></tbody>'+
-									DPGlobal.footTemplate+
-								'</table>'+
-							'</div>'+
-							'<div class="datepicker-months">'+
-								'<table class="table-condensed">'+
-									DPGlobal.headTemplate+
-									DPGlobal.contTemplate+
-									DPGlobal.footTemplate+
-								'</table>'+
-							'</div>'+
-							'<div class="datepicker-years">'+
-								'<table class="table-condensed">'+
-									DPGlobal.headTemplate+
-									DPGlobal.contTemplate+
-									DPGlobal.footTemplate+
-								'</table>'+
-							'</div>'+
-							'<div class="datepicker-decades">'+
-								'<table class="table-condensed">'+
-									DPGlobal.headTemplate+
-									DPGlobal.contTemplate+
-									DPGlobal.footTemplate+
-								'</table>'+
-							'</div>'+
-							'<div class="datepicker-centuries">'+
-								'<table class="table-condensed">'+
-									DPGlobal.headTemplate+
-									DPGlobal.contTemplate+
-									DPGlobal.footTemplate+
-								'</table>'+
-							'</div>'+
-						'</div>';
-
-	$.fn.datepicker.DPGlobal = DPGlobal;
-
-
-	/* DATEPICKER NO CONFLICT
-	* =================== */
-
-	$.fn.datepicker.noConflict = function(){
-		$.fn.datepicker = old;
-		return this;
-	};
-
-	/* DATEPICKER VERSION
-	 * =================== */
-	$.fn.datepicker.version = '1.9.0';
-
-	$.fn.datepicker.deprecated = function(msg){
-		var console = window.console;
-		if (console && console.warn) {
-			console.warn('DEPRECATED: ' + msg);
-		}
-	};
-
-
-	/* DATEPICKER DATA-API
-	* ================== */
-
-	$(document).on(
-		'focus.datepicker.data-api click.datepicker.data-api',
-		'[data-provide="datepicker"]',
-		function(e){
-			var $this = $(this);
-			if ($this.data('datepicker'))
-				return;
-			e.preventDefault();
-			// component click requires us to explicitly show it
-			datepickerPlugin.call($this, 'show');
-		}
-	);
-	$(function(){
-		datepickerPlugin.call($('[data-provide="datepicker-inline"]'));
-	});
-
-}));
diff --git a/NEMO/static/datetimepicker/bootstrap-datepicker3.css b/NEMO/static/datetimepicker/bootstrap-datepicker3.css
deleted file mode 100644
index a98157c2..00000000
--- a/NEMO/static/datetimepicker/bootstrap-datepicker3.css
+++ /dev/null
@@ -1,683 +0,0 @@
-/*!
- * Datepicker for Bootstrap v1.9.0 (https://github.com/uxsolutions/bootstrap-datepicker)
- *
- * Licensed under the Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0)
- */
-
-.datepicker {
-  border-radius: 4px;
-  direction: ltr;
-}
-.datepicker-inline {
-  width: 220px;
-}
-.datepicker-rtl {
-  direction: rtl;
-}
-.datepicker-rtl.dropdown-menu {
-  left: auto;
-}
-.datepicker-rtl table tr td span {
-  float: right;
-}
-.datepicker-dropdown {
-  top: 0;
-  left: 0;
-  padding: 4px;
-}
-.datepicker-dropdown:before {
-  content: '';
-  display: inline-block;
-  border-left: 7px solid transparent;
-  border-right: 7px solid transparent;
-  border-bottom: 7px solid rgba(0, 0, 0, 0.15);
-  border-top: 0;
-  border-bottom-color: rgba(0, 0, 0, 0.2);
-  position: absolute;
-}
-.datepicker-dropdown:after {
-  content: '';
-  display: inline-block;
-  border-left: 6px solid transparent;
-  border-right: 6px solid transparent;
-  border-bottom: 6px solid #fff;
-  border-top: 0;
-  position: absolute;
-}
-.datepicker-dropdown.datepicker-orient-left:before {
-  left: 6px;
-}
-.datepicker-dropdown.datepicker-orient-left:after {
-  left: 7px;
-}
-.datepicker-dropdown.datepicker-orient-right:before {
-  right: 6px;
-}
-.datepicker-dropdown.datepicker-orient-right:after {
-  right: 7px;
-}
-.datepicker-dropdown.datepicker-orient-bottom:before {
-  top: -7px;
-}
-.datepicker-dropdown.datepicker-orient-bottom:after {
-  top: -6px;
-}
-.datepicker-dropdown.datepicker-orient-top:before {
-  bottom: -7px;
-  border-bottom: 0;
-  border-top: 7px solid rgba(0, 0, 0, 0.15);
-}
-.datepicker-dropdown.datepicker-orient-top:after {
-  bottom: -6px;
-  border-bottom: 0;
-  border-top: 6px solid #fff;
-}
-.datepicker table {
-  margin: 0;
-  -webkit-touch-callout: none;
-  -webkit-user-select: none;
-  -khtml-user-select: none;
-  -moz-user-select: none;
-  -ms-user-select: none;
-  user-select: none;
-}
-.datepicker table tr td,
-.datepicker table tr th {
-  text-align: center;
-  width: 30px;
-  height: 30px;
-  border-radius: 4px;
-  border: none;
-}
-.table-striped .datepicker table tr td,
-.table-striped .datepicker table tr th {
-  background-color: transparent;
-}
-.datepicker table tr td.old,
-.datepicker table tr td.new {
-  color: #777777;
-}
-.datepicker table tr td.day:hover,
-.datepicker table tr td.focused {
-  background: #eeeeee;
-  cursor: pointer;
-}
-.datepicker table tr td.disabled,
-.datepicker table tr td.disabled:hover {
-  background: none;
-  color: #777777;
-  cursor: default;
-}
-.datepicker table tr td.highlighted {
-  color: #000;
-  background-color: #d9edf7;
-  border-color: #85c5e5;
-  border-radius: 0;
-}
-.datepicker table tr td.highlighted:focus,
-.datepicker table tr td.highlighted.focus {
-  color: #000;
-  background-color: #afd9ee;
-  border-color: #298fc2;
-}
-.datepicker table tr td.highlighted:hover {
-  color: #000;
-  background-color: #afd9ee;
-  border-color: #52addb;
-}
-.datepicker table tr td.highlighted:active,
-.datepicker table tr td.highlighted.active {
-  color: #000;
-  background-color: #afd9ee;
-  border-color: #52addb;
-}
-.datepicker table tr td.highlighted:active:hover,
-.datepicker table tr td.highlighted.active:hover,
-.datepicker table tr td.highlighted:active:focus,
-.datepicker table tr td.highlighted.active:focus,
-.datepicker table tr td.highlighted:active.focus,
-.datepicker table tr td.highlighted.active.focus {
-  color: #000;
-  background-color: #91cbe8;
-  border-color: #298fc2;
-}
-.datepicker table tr td.highlighted.disabled:hover,
-.datepicker table tr td.highlighted[disabled]:hover,
-fieldset[disabled] .datepicker table tr td.highlighted:hover,
-.datepicker table tr td.highlighted.disabled:focus,
-.datepicker table tr td.highlighted[disabled]:focus,
-fieldset[disabled] .datepicker table tr td.highlighted:focus,
-.datepicker table tr td.highlighted.disabled.focus,
-.datepicker table tr td.highlighted[disabled].focus,
-fieldset[disabled] .datepicker table tr td.highlighted.focus {
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-}
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-}
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-fieldset[disabled] .datepicker table tr td.range.today:focus,
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-.datepicker table tr td.selected.active.focus,
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-}
-.datepicker table tr td.selected.disabled:hover,
-.datepicker table tr td.selected.highlighted.disabled:hover,
-.datepicker table tr td.selected[disabled]:hover,
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-fieldset[disabled] .datepicker table tr td.selected.highlighted:hover,
-.datepicker table tr td.selected.disabled:focus,
-.datepicker table tr td.selected.highlighted.disabled:focus,
-.datepicker table tr td.selected[disabled]:focus,
-.datepicker table tr td.selected.highlighted[disabled]:focus,
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-fieldset[disabled] .datepicker table tr td.selected.highlighted:focus,
-.datepicker table tr td.selected.disabled.focus,
-.datepicker table tr td.selected.highlighted.disabled.focus,
-.datepicker table tr td.selected[disabled].focus,
-.datepicker table tr td.selected.highlighted[disabled].focus,
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-}
-.datepicker table tr td.active,
-.datepicker table tr td.active.highlighted {
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-}
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-.datepicker table tr td.active.highlighted:focus,
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-.datepicker table tr td.active[disabled]:hover,
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-}
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-fieldset[disabled] .datepicker table tr td span.active:hover:hover,
-fieldset[disabled] .datepicker table tr td span.active.disabled:hover,
-fieldset[disabled] .datepicker table tr td span.active.disabled:hover:hover,
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-.datepicker table tr td span.active.disabled[disabled]:focus,
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-fieldset[disabled] .datepicker table tr td span.active:focus,
-fieldset[disabled] .datepicker table tr td span.active:hover:focus,
-fieldset[disabled] .datepicker table tr td span.active.disabled:focus,
-fieldset[disabled] .datepicker table tr td span.active.disabled:hover:focus,
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-fieldset[disabled] .datepicker table tr td span.active.disabled.focus,
-fieldset[disabled] .datepicker table tr td span.active.disabled:hover.focus {
-  background-color: #337ab7;
-  border-color: #2e6da4;
-}
-.datepicker table tr td span.old,
-.datepicker table tr td span.new {
-  color: #777777;
-}
-.datepicker .datepicker-switch {
-  width: 145px;
-}
-.datepicker .datepicker-switch,
-.datepicker .prev,
-.datepicker .next,
-.datepicker tfoot tr th {
-  cursor: pointer;
-}
-.datepicker .datepicker-switch:hover,
-.datepicker .prev:hover,
-.datepicker .next:hover,
-.datepicker tfoot tr th:hover {
-  background: #eeeeee;
-}
-.datepicker .prev.disabled,
-.datepicker .next.disabled {
-  visibility: hidden;
-}
-.datepicker .cw {
-  font-size: 10px;
-  width: 12px;
-  padding: 0 2px 0 5px;
-  vertical-align: middle;
-}
-.input-group.date .input-group-addon {
-  cursor: pointer;
-}
-.input-daterange {
-  width: 100%;
-}
-.input-daterange input {
-  text-align: center;
-}
-.input-daterange input:first-child {
-  border-radius: 3px 0 0 3px;
-}
-.input-daterange input:last-child {
-  border-radius: 0 3px 3px 0;
-}
-.input-daterange .input-group-addon {
-  width: auto;
-  min-width: 16px;
-  padding: 4px 5px;
-  line-height: 1.42857143;
-  border-width: 1px 0;
-  margin-left: -5px;
-  margin-right: -5px;
-}
-/*# sourceMappingURL=bootstrap-datepicker3.css.map */
\ No newline at end of file
diff --git a/NEMO/static/fullcalendar/fullcalendar.css b/NEMO/static/fullcalendar/fullcalendar.css
index 8462b0b4..81e9c1ee 100644
--- a/NEMO/static/fullcalendar/fullcalendar.css
+++ b/NEMO/static/fullcalendar/fullcalendar.css
@@ -799,7 +799,6 @@ a.fc-more:hover {
 
 .fc-toolbar .fc-right {
 	float: right;
-	margin-right: 15px;
 }
 
 .fc-toolbar .fc-center {
diff --git a/NEMO/static/fullcalendar/fullcalendar.js b/NEMO/static/fullcalendar/fullcalendar.js
index a8cdb349..cbe67697 100644
--- a/NEMO/static/fullcalendar/fullcalendar.js
+++ b/NEMO/static/fullcalendar/fullcalendar.js
@@ -9750,7 +9750,7 @@ function Calendar_constructor(element, overrides) {
 
 
 	function refetchEvents() { // can be called as an API method
-//		destroyEvents(); // <-- Commented out by Dylan Klomparens. Previous versions of FullCalendar did not have this line. It causes the calendar to visually "flash" every time events are refreshed.
+		destroyEvents(); // so that events are cleared before user starts waiting for AJAX
 		fetchAndRenderEvents();
 	}
 
diff --git a/NEMO/static/fullcalendar/fullcalendar.min.css b/NEMO/static/fullcalendar/fullcalendar.min.css
new file mode 100644
index 00000000..3a251eb1
--- /dev/null
+++ b/NEMO/static/fullcalendar/fullcalendar.min.css
@@ -0,0 +1,5 @@
+/*!
+ * FullCalendar v2.7.3 Stylesheet
+ * Docs & License: http://fullcalendar.io/
+ * (c) 2016 Adam Shaw
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diff --git a/NEMO/static/fullcalendar/fullcalendar.min.js b/NEMO/static/fullcalendar/fullcalendar.min.js
new file mode 100644
index 00000000..f2738022
--- /dev/null
+++ b/NEMO/static/fullcalendar/fullcalendar.min.js
@@ -0,0 +1,9 @@
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this.ensureBuilt(),this.bottoms[a]-this.tops[a]}}),pb=Va.DragListener=xa.extend(lb,mb,{options:null,subjectEl:null,subjectHref:null,originX:null,originY:null,scrollEl:null,isInteracting:!1,isDistanceSurpassed:!1,isDelayEnded:!1,isDragging:!1,isTouch:!1,delay:null,delayTimeoutId:null,minDistance:null,handleTouchScrollProxy:null,constructor:function(a){this.options=a||{},this.handleTouchScrollProxy=ia(this,"handleTouchScroll"),this.initMouseIgnoring(500)},startInteraction:function(b,c){var d=x(b);if("mousedown"===b.type){if(this.isIgnoringMouse)return;if(!u(b))return;b.preventDefault()}this.isInteracting||(c=c||{},this.delay=ba(c.delay,this.options.delay,0),this.minDistance=ba(c.distance,this.options.distance,0),this.subjectEl=this.options.subjectEl,this.isInteracting=!0,this.isTouch=d,this.isDelayEnded=!1,this.isDistanceSurpassed=!1,this.originX=v(b),this.originY=w(b),this.scrollEl=m(a(b.target)),this.bindHandlers(),this.initAutoScroll(),this.handleInteractionStart(b),this.startDelay(b),this.minDistance||this.handleDistanceSurpassed(b))},handleInteractionStart:function(a){this.trigger("interactionStart",a)},endInteraction:function(a,b){this.isInteracting&&(this.endDrag(a),this.delayTimeoutId&&(clearTimeout(this.delayTimeoutId),this.delayTimeoutId=null),this.destroyAutoScroll(),this.unbindHandlers(),this.isInteracting=!1,this.handleInteractionEnd(a,b),this.isTouch&&this.tempIgnoreMouse())},handleInteractionEnd:function(a,b){this.trigger("interactionEnd",a,b||!1)},bindHandlers:function(){var b=this,c=1;this.isTouch?(this.listenTo(a(document),{touchmove:this.handleTouchMove,touchend:this.endInteraction,touchcancel:this.endInteraction,touchstart:function(a){c?c--:b.endInteraction(a,!0)}}),!A(this.handleTouchScrollProxy)&&this.scrollEl&&this.listenTo(this.scrollEl,"scroll",this.handleTouchScroll)):this.listenTo(a(document),{mousemove:this.handleMouseMove,mouseup:this.endInteraction}),this.listenTo(a(document),{selectstart:z,contextmenu:z})},unbindHandlers:function(){this.stopListeningTo(a(document)),B(this.handleTouchScrollProxy),this.scrollEl&&this.stopListeningTo(this.scrollEl,"scroll")},startDrag:function(a,b){this.startInteraction(a,b),this.isDragging||(this.isDragging=!0,this.handleDragStart(a))},handleDragStart:function(a){this.trigger("dragStart",a),this.initHrefHack()},handleMove:function(a){var b,c=v(a)-this.originX,d=w(a)-this.originY,e=this.minDistance;this.isDistanceSurpassed||(b=c*c+d*d,b>=e*e&&this.handleDistanceSurpassed(a)),this.isDragging&&this.handleDrag(c,d,a)},handleDrag:function(a,b,c){this.trigger("drag",a,b,c),this.updateAutoScroll(c)},endDrag:function(a){this.isDragging&&(this.isDragging=!1,this.handleDragEnd(a))},handleDragEnd:function(a){this.trigger("dragEnd",a),this.destroyHrefHack()},startDelay:function(a){var b=this;this.delay?this.delayTimeoutId=setTimeout(function(){b.handleDelayEnd(a)},this.delay):this.handleDelayEnd(a)},handleDelayEnd:function(a){this.isDelayEnded=!0,this.isDistanceSurpassed&&this.startDrag(a)},handleDistanceSurpassed:function(a){this.isDistanceSurpassed=!0,this.isDelayEnded&&this.startDrag(a)},handleTouchMove:function(a){this.isDragging&&a.preventDefault(),this.handleMove(a)},handleMouseMove:function(a){this.handleMove(a)},handleTouchScroll:function(a){this.isDragging||this.endInteraction(a,!0)},initHrefHack:function(){var a=this.subjectEl;(this.subjectHref=a?a.attr("href"):null)&&a.removeAttr("href")},destroyHrefHack:function(){var a=this.subjectEl,b=this.subjectHref;setTimeout(function(){b&&a.attr("href",b)},0)},trigger:function(a){this.options[a]&&this.options[a].apply(this,Array.prototype.slice.call(arguments,1)),this["_"+a]&&this["_"+a].apply(this,Array.prototype.slice.call(arguments,1))}});pb.mixin({isAutoScroll:!1,scrollBounds:null,scrollTopVel:null,scrollLeftVel:null,scrollIntervalId:null,scrollSensitivity:30,scrollSpeed:200,scrollIntervalMs:50,initAutoScroll:function(){var a=this.scrollEl;this.isAutoScroll=this.options.scroll&&a&&!a.is(window)&&!a.is(document),this.isAutoScroll&&this.listenTo(a,"scroll",ja(this.handleDebouncedScroll,100))},destroyAutoScroll:function(){this.endAutoScroll(),this.isAutoScroll&&this.stopListeningTo(this.scrollEl,"scroll")},computeScrollBounds:function(){this.isAutoScroll&&(this.scrollBounds=n(this.scrollEl))},updateAutoScroll:function(a){var b,c,d,e,f=this.scrollSensitivity,g=this.scrollBounds,h=0,i=0;g&&(b=(f-(w(a)-g.top))/f,c=(f-(g.bottom-w(a)))/f,d=(f-(v(a)-g.left))/f,e=(f-(g.right-v(a)))/f,b>=0&&1>=b?h=b*this.scrollSpeed*-1:c>=0&&1>=c&&(h=c*this.scrollSpeed),d>=0&&1>=d?i=d*this.scrollSpeed*-1:e>=0&&1>=e&&(i=e*this.scrollSpeed)),this.setScrollVel(h,i)},setScrollVel:function(a,b){this.scrollTopVel=a,this.scrollLeftVel=b,this.constrainScrollVel(),!this.scrollTopVel&&!this.scrollLeftVel||this.scrollIntervalId||(this.scrollIntervalId=setInterval(ia(this,"scrollIntervalFunc"),this.scrollIntervalMs))},constrainScrollVel:function(){var a=this.scrollEl;this.scrollTopVel<0?a.scrollTop()<=0&&(this.scrollTopVel=0):this.scrollTopVel>0&&a.scrollTop()+a[0].clientHeight>=a[0].scrollHeight&&(this.scrollTopVel=0),this.scrollLeftVel<0?a.scrollLeft()<=0&&(this.scrollLeftVel=0):this.scrollLeftVel>0&&a.scrollLeft()+a[0].clientWidth>=a[0].scrollWidth&&(this.scrollLeftVel=0)},scrollIntervalFunc:function(){var a=this.scrollEl,b=this.scrollIntervalMs/1e3;this.scrollTopVel&&a.scrollTop(a.scrollTop()+this.scrollTopVel*b),this.scrollLeftVel&&a.scrollLeft(a.scrollLeft()+this.scrollLeftVel*b),this.constrainScrollVel(),this.scrollTopVel||this.scrollLeftVel||this.endAutoScroll()},endAutoScroll:function(){this.scrollIntervalId&&(clearInterval(this.scrollIntervalId),this.scrollIntervalId=null,this.handleScrollEnd())},handleDebouncedScroll:function(){this.scrollIntervalId||this.handleScrollEnd()},handleScrollEnd:function(){}});var qb=pb.extend({component:null,origHit:null,hit:null,coordAdjust:null,constructor:function(a,b){pb.call(this,b),this.component=a},handleInteractionStart:function(a){var b,c,d,e=this.subjectEl;this.computeCoords(),a?(c={left:v(a),top:w(a)},d=c,e&&(b=n(e),d=D(d,b)),this.origHit=this.queryHit(d.left,d.top),e&&this.options.subjectCenter&&(this.origHit&&(b=C(this.origHit,b)||b),d=E(b)),this.coordAdjust=F(d,c)):(this.origHit=null,this.coordAdjust=null),pb.prototype.handleInteractionStart.apply(this,arguments)},computeCoords:function(){this.component.prepareHits(),this.computeScrollBounds()},handleDragStart:function(a){var b;pb.prototype.handleDragStart.apply(this,arguments),b=this.queryHit(v(a),w(a)),b&&this.handleHitOver(b)},handleDrag:function(a,b,c){var d;pb.prototype.handleDrag.apply(this,arguments),d=this.queryHit(v(c),w(c)),Aa(d,this.hit)||(this.hit&&this.handleHitOut(),d&&this.handleHitOver(d))},handleDragEnd:function(){this.handleHitDone(),pb.prototype.handleDragEnd.apply(this,arguments)},handleHitOver:function(a){var b=Aa(a,this.origHit);this.hit=a,this.trigger("hitOver",this.hit,b,this.origHit)},handleHitOut:function(){this.hit&&(this.trigger("hitOut",this.hit),this.handleHitDone(),this.hit=null)},handleHitDone:function(){this.hit&&this.trigger("hitDone",this.hit)},handleInteractionEnd:function(){pb.prototype.handleInteractionEnd.apply(this,arguments),this.origHit=null,this.hit=null,this.component.releaseHits()},handleScrollEnd:function(){pb.prototype.handleScrollEnd.apply(this,arguments),this.computeCoords()},queryHit:function(a,b){return this.coordAdjust&&(a+=this.coordAdjust.left,b+=this.coordAdjust.top),this.component.queryHit(a,b)}}),rb=xa.extend(lb,{options:null,sourceEl:null,el:null,parentEl:null,top0:null,left0:null,y0:null,x0:null,topDelta:null,leftDelta:null,isFollowing:!1,isHidden:!1,isAnimating:!1,constructor:function(b,c){this.options=c=c||{},this.sourceEl=b,this.parentEl=c.parentEl?a(c.parentEl):b.parent()},start:function(b){this.isFollowing||(this.isFollowing=!0,this.y0=w(b),this.x0=v(b),this.topDelta=0,this.leftDelta=0,this.isHidden||this.updatePosition(),x(b)?this.listenTo(a(document),"touchmove",this.handleMove):this.listenTo(a(document),"mousemove",this.handleMove))},stop:function(b,c){function d(){this.isAnimating=!1,e.removeElement(),this.top0=this.left0=null,c&&c()}var e=this,f=this.options.revertDuration;this.isFollowing&&!this.isAnimating&&(this.isFollowing=!1,this.stopListeningTo(a(document)),b&&f&&!this.isHidden?(this.isAnimating=!0,this.el.animate({top:this.top0,left:this.left0},{duration:f,complete:d})):d())},getEl:function(){var a=this.el;return a||(this.sourceEl.width(),a=this.el=this.sourceEl.clone().addClass(this.options.additionalClass||"").css({position:"absolute",visibility:"",display:this.isHidden?"none":"",margin:0,right:"auto",bottom:"auto",width:this.sourceEl.width(),height:this.sourceEl.height(),opacity:this.options.opacity||"",zIndex:this.options.zIndex}),a.addClass("fc-unselectable"),a.appendTo(this.parentEl)),a},removeElement:function(){this.el&&(this.el.remove(),this.el=null)},updatePosition:function(){var a,b;this.getEl(),null===this.top0&&(this.sourceEl.width(),a=this.sourceEl.offset(),b=this.el.offsetParent().offset(),this.top0=a.top-b.top,this.left0=a.left-b.left),this.el.css({top:this.top0+this.topDelta,left:this.left0+this.leftDelta})},handleMove:function(a){this.topDelta=w(a)-this.y0,this.leftDelta=v(a)-this.x0,this.isHidden||this.updatePosition()},hide:function(){this.isHidden||(this.isHidden=!0,this.el&&this.el.hide())},show:function(){this.isHidden&&(this.isHidden=!1,this.updatePosition(),this.getEl().show())}}),sb=Va.Grid=xa.extend(lb,mb,{view:null,isRTL:null,start:null,end:null,el:null,elsByFill:null,eventTimeFormat:null,displayEventTime:null,displayEventEnd:null,minResizeDuration:null,largeUnit:null,dayDragListener:null,segDragListener:null,segResizeListener:null,externalDragListener:null,constructor:function(a){this.view=a,this.isRTL=a.opt("isRTL"),this.elsByFill={},this.dayDragListener=this.buildDayDragListener(),this.initMouseIgnoring()},computeEventTimeFormat:function(){return this.view.opt("smallTimeFormat")},computeDisplayEventTime:function(){return!0},computeDisplayEventEnd:function(){return!0},setRange:function(a){this.start=a.start.clone(),this.end=a.end.clone(),this.rangeUpdated(),this.processRangeOptions()},rangeUpdated:function(){},processRangeOptions:function(){var a,b,c=this.view;this.eventTimeFormat=c.opt("eventTimeFormat")||c.opt("timeFormat")||this.computeEventTimeFormat(),a=c.opt("displayEventTime"),null==a&&(a=this.computeDisplayEventTime()),b=c.opt("displayEventEnd"),null==b&&(b=this.computeDisplayEventEnd()),this.displayEventTime=a,this.displayEventEnd=b},spanToSegs:function(a){},diffDates:function(a,b){return this.largeUnit?N(a,b,this.largeUnit):L(a,b)},prepareHits:function(){},releaseHits:function(){},queryHit:function(a,b){},getHitSpan:function(a){},getHitEl:function(a){},setElement:function(a){this.el=a,y(a),this.bindDayHandler("touchstart",this.dayTouchStart),this.bindDayHandler("mousedown",this.dayMousedown),this.bindSegHandlers(),this.bindGlobalHandlers()},bindDayHandler:function(b,c){var d=this;this.el.on(b,function(b){return a(b.target).is(".fc-event-container *, .fc-more")||a(b.target).closest(".fc-popover").length?void 0:c.call(d,b)})},removeElement:function(){this.unbindGlobalHandlers(),this.clearDragListeners(),this.el.remove()},renderSkeleton:function(){},renderDates:function(){},unrenderDates:function(){},bindGlobalHandlers:function(){this.listenTo(a(document),{dragstart:this.externalDragStart,sortstart:this.externalDragStart})},unbindGlobalHandlers:function(){this.stopListeningTo(a(document))},dayMousedown:function(a){this.isIgnoringMouse||this.dayDragListener.startInteraction(a,{})},dayTouchStart:function(a){var b=this.view;(b.isSelected||b.selectedEvent)&&this.tempIgnoreMouse(),this.dayDragListener.startInteraction(a,{delay:this.view.opt("longPressDelay")})},buildDayDragListener:function(){var a,b,c=this,d=this.view,e=d.opt("selectable"),f=new qb(this,{scroll:d.opt("dragScroll"),interactionStart:function(){a=f.origHit},dragStart:function(){d.unselect()},hitOver:function(d,f,h){h&&(f||(a=null),e&&(b=c.computeSelection(c.getHitSpan(h),c.getHitSpan(d)),b?c.renderSelection(b):b===!1&&g()))},hitOut:function(){a=null,b=null,c.unrenderSelection(),h()},interactionEnd:function(e,f){f||(a&&!c.isIgnoringMouse&&d.triggerDayClick(c.getHitSpan(a),c.getHitEl(a),e),b&&d.reportSelection(b,e),h())}});return f},clearDragListeners:function(){this.dayDragListener.endInteraction(),this.segDragListener&&this.segDragListener.endInteraction(),this.segResizeListener&&this.segResizeListener.endInteraction(),this.externalDragListener&&this.externalDragListener.endInteraction()},renderEventLocationHelper:function(a,b){var c=this.fabricateHelperEvent(a,b);return this.renderHelper(c,b)},fabricateHelperEvent:function(a,b){var c=b?X(b.event):{};return c.start=a.start.clone(),c.end=a.end?a.end.clone():null,c.allDay=null,this.view.calendar.normalizeEventDates(c),c.className=(c.className||[]).concat("fc-helper"),b||(c.editable=!1),c},renderHelper:function(a,b){},unrenderHelper:function(){},renderSelection:function(a){this.renderHighlight(a)},unrenderSelection:function(){this.unrenderHighlight()},computeSelection:function(a,b){var c=this.computeSelectionSpan(a,b);return c&&!this.view.calendar.isSelectionSpanAllowed(c)?!1:c},computeSelectionSpan:function(a,b){var c=[a.start,a.end,b.start,b.end];return c.sort(ga),{start:c[0].clone(),end:c[3].clone()}},renderHighlight:function(a){this.renderFill("highlight",this.spanToSegs(a))},unrenderHighlight:function(){this.unrenderFill("highlight")},highlightSegClasses:function(){return["fc-highlight"]},renderBusinessHours:function(){},unrenderBusinessHours:function(){},getNowIndicatorUnit:function(){},renderNowIndicator:function(a){},unrenderNowIndicator:function(){},renderFill:function(a,b){},unrenderFill:function(a){var b=this.elsByFill[a];b&&(b.remove(),delete this.elsByFill[a])},renderFillSegEls:function(b,c){var d,e=this,f=this[b+"SegEl"],g="",h=[];if(c.length){for(d=0;d<c.length;d++)g+=this.fillSegHtml(b,c[d]);a(g).each(function(b,d){var g=c[b],i=a(d);f&&(i=f.call(e,g,i)),i&&(i=a(i),i.is(e.fillSegTag)&&(g.el=i,h.push(g)))})}return h},fillSegTag:"div",fillSegHtml:function(a,b){var c=this[a+"SegClasses"],d=this[a+"SegCss"],e=c?c.call(this,b):[],f=ea(d?d.call(this,b):{});return"<"+this.fillSegTag+(e.length?' class="'+e.join(" ")+'"':"")+(f?' style="'+f+'"':"")+" />"},getDayClasses:function(a){var b=this.view,c=b.calendar.getNow(),d=["fc-"+Za[a.day()]];return 1==b.intervalDuration.as("months")&&a.month()!=b.intervalStart.month()&&d.push("fc-other-month"),a.isSame(c,"day")?d.push("fc-today",b.highlightStateClass):c>a?d.push("fc-past"):d.push("fc-future"),d}});sb.mixin({mousedOverSeg:null,isDraggingSeg:!1,isResizingSeg:!1,isDraggingExternal:!1,segs:null,renderEvents:function(a){var b,c=[],d=[];for(b=0;b<a.length;b++)(Ca(a[b])?c:d).push(a[b]);this.segs=[].concat(this.renderBgEvents(c),this.renderFgEvents(d))},renderBgEvents:function(a){var b=this.eventsToSegs(a);return this.renderBgSegs(b)||b},renderFgEvents:function(a){var b=this.eventsToSegs(a);return this.renderFgSegs(b)||b},unrenderEvents:function(){this.handleSegMouseout(),this.clearDragListeners(),this.unrenderFgSegs(),this.unrenderBgSegs(),this.segs=null},getEventSegs:function(){return this.segs||[]},renderFgSegs:function(a){},unrenderFgSegs:function(){},renderFgSegEls:function(b,c){var d,e=this.view,f="",g=[];if(b.length){for(d=0;d<b.length;d++)f+=this.fgSegHtml(b[d],c);a(f).each(function(c,d){var f=b[c],h=e.resolveEventEl(f.event,a(d));h&&(h.data("fc-seg",f),f.el=h,g.push(f))})}return g},fgSegHtml:function(a,b){},renderBgSegs:function(a){return this.renderFill("bgEvent",a)},unrenderBgSegs:function(){this.unrenderFill("bgEvent")},bgEventSegEl:function(a,b){return this.view.resolveEventEl(a.event,b)},bgEventSegClasses:function(a){var b=a.event,c=b.source||{};return["fc-bgevent"].concat(b.className,c.className||[])},bgEventSegCss:function(a){return{"background-color":this.getSegSkinCss(a)["background-color"]}},businessHoursSegClasses:function(a){return["fc-nonbusiness","fc-bgevent"]},bindSegHandlers:function(){this.bindSegHandler("touchstart",this.handleSegTouchStart),this.bindSegHandler("touchend",this.handleSegTouchEnd),this.bindSegHandler("mouseenter",this.handleSegMouseover),this.bindSegHandler("mouseleave",this.handleSegMouseout),this.bindSegHandler("mousedown",this.handleSegMousedown),this.bindSegHandler("click",this.handleSegClick)},bindSegHandler:function(b,c){var d=this;this.el.on(b,".fc-event-container > *",function(b){var e=a(this).data("fc-seg");return!e||d.isDraggingSeg||d.isResizingSeg?void 0:c.call(d,e,b)})},handleSegClick:function(a,b){return this.view.trigger("eventClick",a.el[0],a.event,b)},handleSegMouseover:function(a,b){this.isIgnoringMouse||this.mousedOverSeg||(this.mousedOverSeg=a,a.el.addClass("fc-allow-mouse-resize"),this.view.trigger("eventMouseover",a.el[0],a.event,b))},handleSegMouseout:function(a,b){b=b||{},this.mousedOverSeg&&(a=a||this.mousedOverSeg,this.mousedOverSeg=null,a.el.removeClass("fc-allow-mouse-resize"),this.view.trigger("eventMouseout",a.el[0],a.event,b))},handleSegMousedown:function(a,b){var c=this.startSegResize(a,b,{distance:5});!c&&this.view.isEventDraggable(a.event)&&this.buildSegDragListener(a).startInteraction(b,{distance:5})},handleSegTouchStart:function(a,b){var c,d=this.view,e=a.event,f=d.isEventSelected(e),g=d.isEventDraggable(e),h=d.isEventResizable(e),i=!1;f&&h&&(i=this.startSegResize(a,b)),i||!g&&!h||(c=g?this.buildSegDragListener(a):this.buildSegSelectListener(a),c.startInteraction(b,{delay:f?0:this.view.opt("longPressDelay")})),this.tempIgnoreMouse()},handleSegTouchEnd:function(a,b){this.tempIgnoreMouse()},startSegResize:function(b,c,d){return a(c.target).is(".fc-resizer")?(this.buildSegResizeListener(b,a(c.target).is(".fc-start-resizer")).startInteraction(c,d),!0):!1},buildSegDragListener:function(a){var b,c,d,e=this,f=this.view,i=f.calendar,j=a.el,k=a.event;if(this.segDragListener)return this.segDragListener;var l=this.segDragListener=new qb(f,{scroll:f.opt("dragScroll"),subjectEl:j,subjectCenter:!0,interactionStart:function(d){b=!1,c=new rb(a.el,{additionalClass:"fc-dragging",parentEl:f.el,opacity:l.isTouch?null:f.opt("dragOpacity"),revertDuration:f.opt("dragRevertDuration"),zIndex:2}),c.hide(),c.start(d)},dragStart:function(c){l.isTouch&&!f.isEventSelected(k)&&f.selectEvent(k),b=!0,e.handleSegMouseout(a,c),e.segDragStart(a,c),f.hideEvent(k)},hitOver:function(b,h,j){var m;a.hit&&(j=a.hit),d=e.computeEventDrop(j.component.getHitSpan(j),b.component.getHitSpan(b),k),d&&!i.isEventSpanAllowed(e.eventToSpan(d),k)&&(g(),d=null),d&&(m=f.renderDrag(d,a))?(m.addClass("fc-dragging"),l.isTouch||e.applyDragOpacity(m),c.hide()):c.show(),h&&(d=null)},hitOut:function(){f.unrenderDrag(),c.show(),d=null},hitDone:function(){h()},interactionEnd:function(g){c.stop(!d,function(){b&&(f.unrenderDrag(),f.showEvent(k),e.segDragStop(a,g)),d&&f.reportEventDrop(k,d,this.largeUnit,j,g)}),e.segDragListener=null}});return l},buildSegSelectListener:function(a){var b=this,c=this.view,d=a.event;if(this.segDragListener)return this.segDragListener;var e=this.segDragListener=new pb({dragStart:function(a){e.isTouch&&!c.isEventSelected(d)&&c.selectEvent(d)},interactionEnd:function(a){b.segDragListener=null}});return e},segDragStart:function(a,b){this.isDraggingSeg=!0,this.view.trigger("eventDragStart",a.el[0],a.event,b,{})},segDragStop:function(a,b){this.isDraggingSeg=!1,this.view.trigger("eventDragStop",a.el[0],a.event,b,{})},computeEventDrop:function(a,b,c){var d,e,f=this.view.calendar,g=a.start,h=b.start;return g.hasTime()===h.hasTime()?(d=this.diffDates(h,g),c.allDay&&T(d)?(e={start:c.start.clone(),end:f.getEventEnd(c),allDay:!1},f.normalizeEventTimes(e)):e={start:c.start.clone(),end:c.end?c.end.clone():null,allDay:c.allDay},e.start.add(d),e.end&&e.end.add(d)):e={start:h.clone(),end:null,allDay:!h.hasTime()},e},applyDragOpacity:function(a){var b=this.view.opt("dragOpacity");null!=b&&a.each(function(a,c){c.style.opacity=b})},externalDragStart:function(b,c){var d,e,f=this.view;f.opt("droppable")&&(d=a((c?c.item:null)||b.target),e=f.opt("dropAccept"),(a.isFunction(e)?e.call(d[0],d):d.is(e))&&(this.isDraggingExternal||this.listenToExternalDrag(d,b,c)))},listenToExternalDrag:function(a,b,c){var d,e=this,f=this.view.calendar,i=Ha(a),j=e.externalDragListener=new qb(this,{interactionStart:function(){e.isDraggingExternal=!0},hitOver:function(a){d=e.computeExternalDrop(a.component.getHitSpan(a),i),d&&!f.isExternalSpanAllowed(e.eventToSpan(d),d,i.eventProps)&&(g(),d=null),d&&e.renderDrag(d)},hitOut:function(){d=null},hitDone:function(){h(),e.unrenderDrag()},interactionEnd:function(b){d&&e.view.reportExternalDrop(i,d,a,b,c),e.isDraggingExternal=!1,e.externalDragListener=null}});j.startDrag(b)},computeExternalDrop:function(a,b){var c=this.view.calendar,d={start:c.applyTimezone(a.start),end:null};return b.startTime&&!d.start.hasTime()&&d.start.time(b.startTime),b.duration&&(d.end=d.start.clone().add(b.duration)),d},renderDrag:function(a,b){},unrenderDrag:function(){},buildSegResizeListener:function(a,b){var c,d,e=this,f=this.view,i=f.calendar,j=a.el,k=a.event,l=i.getEventEnd(k),m=this.segResizeListener=new qb(this,{scroll:f.opt("dragScroll"),subjectEl:j,interactionStart:function(){c=!1},dragStart:function(b){c=!0,e.handleSegMouseout(a,b),e.segResizeStart(a,b)},hitOver:function(c,h,j){var m=e.getHitSpan(j),n=e.getHitSpan(c);d=b?e.computeEventStartResize(m,n,k):e.computeEventEndResize(m,n,k),d&&(i.isEventSpanAllowed(e.eventToSpan(d),k)?d.start.isSame(k.start)&&d.end.isSame(l)&&(d=null):(g(),d=null)),d&&(f.hideEvent(k),e.renderEventResize(d,a))},hitOut:function(){d=null},hitDone:function(){e.unrenderEventResize(),f.showEvent(k),h()},interactionEnd:function(b){c&&e.segResizeStop(a,b),d&&f.reportEventResize(k,d,this.largeUnit,j,b),e.segResizeListener=null}});return m},segResizeStart:function(a,b){this.isResizingSeg=!0,this.view.trigger("eventResizeStart",a.el[0],a.event,b,{})},segResizeStop:function(a,b){this.isResizingSeg=!1,this.view.trigger("eventResizeStop",a.el[0],a.event,b,{})},computeEventStartResize:function(a,b,c){return this.computeEventResize("start",a,b,c)},computeEventEndResize:function(a,b,c){return this.computeEventResize("end",a,b,c)},computeEventResize:function(a,b,c,d){var e,f,g=this.view.calendar,h=this.diffDates(c[a],b[a]);return e={start:d.start.clone(),end:g.getEventEnd(d),allDay:d.allDay},e.allDay&&T(h)&&(e.allDay=!1,g.normalizeEventTimes(e)),e[a].add(h),e.start.isBefore(e.end)||(f=this.minResizeDuration||(d.allDay?g.defaultAllDayEventDuration:g.defaultTimedEventDuration),"start"==a?e.start=e.end.clone().subtract(f):e.end=e.start.clone().add(f)),e},renderEventResize:function(a,b){},unrenderEventResize:function(){},getEventTimeText:function(a,b,c){return null==b&&(b=this.eventTimeFormat),null==c&&(c=this.displayEventEnd),this.displayEventTime&&a.start.hasTime()?c&&a.end?this.view.formatRange(a,b):a.start.format(b):""},getSegClasses:function(a,b,c){var d=this.view,e=a.event,f=["fc-event",a.isStart?"fc-start":"fc-not-start",a.isEnd?"fc-end":"fc-not-end"].concat(e.className,e.source?e.source.className:[]);return b&&f.push("fc-draggable"),c&&f.push("fc-resizable"),d.isEventSelected(e)&&f.push("fc-selected"),f},getSegSkinCss:function(a){var b=a.event,c=this.view,d=b.source||{},e=b.color,f=d.color,g=c.opt("eventColor");return{"background-color":b.backgroundColor||e||d.backgroundColor||f||c.opt("eventBackgroundColor")||g,"border-color":b.borderColor||e||d.borderColor||f||c.opt("eventBorderColor")||g,color:b.textColor||d.textColor||c.opt("eventTextColor")}},eventToSegs:function(a){return this.eventsToSegs([a])},eventToSpan:function(a){return this.eventToSpans(a)[0]},eventToSpans:function(a){var b=this.eventToRange(a);return this.eventRangeToSpans(b,a)},eventsToSegs:function(b,c){var d=this,e=Fa(b),f=[];return a.each(e,function(a,b){var e,g=[];for(e=0;e<b.length;e++)g.push(d.eventToRange(b[e]));if(Da(b[0]))for(g=d.invertRanges(g),e=0;e<g.length;e++)f.push.apply(f,d.eventRangeToSegs(g[e],b[0],c));else for(e=0;e<g.length;e++)f.push.apply(f,d.eventRangeToSegs(g[e],b[e],c))}),f},eventToRange:function(a){return{start:a.start.clone().stripZone(),end:(a.end?a.end.clone():this.view.calendar.getDefaultEventEnd(null!=a.allDay?a.allDay:!a.start.hasTime(),a.start)).stripZone()}},eventRangeToSegs:function(a,b,c){var d,e=this.eventRangeToSpans(a,b),f=[];for(d=0;d<e.length;d++)f.push.apply(f,this.eventSpanToSegs(e[d],b,c));return f},eventRangeToSpans:function(b,c){return[a.extend({},b)]},eventSpanToSegs:function(a,b,c){var d,e,f=c?c(a):this.spanToSegs(a);for(d=0;d<f.length;d++)e=f[d],e.event=b,e.eventStartMS=+a.start,e.eventDurationMS=a.end-a.start;return f},invertRanges:function(a){var b,c,d=this.view,e=d.start.clone(),f=d.end.clone(),g=[],h=e;for(a.sort(Ga),b=0;b<a.length;b++)c=a[b],c.start>h&&g.push({start:h,end:c.start}),h=c.end;return f>h&&g.push({start:h,end:f}),g},sortEventSegs:function(a){a.sort(ia(this,"compareEventSegs"))},compareEventSegs:function(a,b){return a.eventStartMS-b.eventStartMS||b.eventDurationMS-a.eventDurationMS||b.event.allDay-a.event.allDay||H(a.event,b.event,this.view.eventOrderSpecs)}}),Va.isBgEvent=Ca,Va.dataAttrPrefix="";var tb=Va.DayTableMixin={breakOnWeeks:!1,dayDates:null,dayIndices:null,daysPerRow:null,rowCnt:null,colCnt:null,colHeadFormat:null,updateDayTable:function(){for(var a,b,c,d=this.view,e=this.start.clone(),f=-1,g=[],h=[];e.isBefore(this.end);)d.isHiddenDay(e)?g.push(f+.5):(f++,g.push(f),h.push(e.clone())),e.add(1,"days");if(this.breakOnWeeks){for(b=h[0].day(),a=1;a<h.length&&h[a].day()!=b;a++);c=Math.ceil(h.length/a)}else c=1,a=h.length;this.dayDates=h,this.dayIndices=g,this.daysPerRow=a,this.rowCnt=c,this.updateDayTableCols()},updateDayTableCols:function(){this.colCnt=this.computeColCnt(),this.colHeadFormat=this.view.opt("columnFormat")||this.computeColHeadFormat()},computeColCnt:function(){return this.daysPerRow},getCellDate:function(a,b){return this.dayDates[this.getCellDayIndex(a,b)].clone()},getCellRange:function(a,b){var c=this.getCellDate(a,b),d=c.clone().add(1,"days");return{start:c,end:d}},getCellDayIndex:function(a,b){return a*this.daysPerRow+this.getColDayIndex(b)},getColDayIndex:function(a){return this.isRTL?this.colCnt-1-a:a},getDateDayIndex:function(a){var b=this.dayIndices,c=a.diff(this.start,"days");return 0>c?b[0]-1:c>=b.length?b[b.length-1]+1:b[c]},computeColHeadFormat:function(){return this.rowCnt>1||this.colCnt>10?"ddd":this.colCnt>1?this.view.opt("dayOfMonthFormat"):"dddd"},sliceRangeByRow:function(a){var b,c,d,e,f,g=this.daysPerRow,h=this.view.computeDayRange(a),i=this.getDateDayIndex(h.start),j=this.getDateDayIndex(h.end.clone().subtract(1,"days")),k=[];for(b=0;b<this.rowCnt;b++)c=b*g,d=c+g-1,e=Math.max(i,c),f=Math.min(j,d),e=Math.ceil(e),f=Math.floor(f),f>=e&&k.push({row:b,firstRowDayIndex:e-c,lastRowDayIndex:f-c,isStart:e===i,isEnd:f===j});return k},sliceRangeByDay:function(a){var b,c,d,e,f,g,h=this.daysPerRow,i=this.view.computeDayRange(a),j=this.getDateDayIndex(i.start),k=this.getDateDayIndex(i.end.clone().subtract(1,"days")),l=[];for(b=0;b<this.rowCnt;b++)for(c=b*h,d=c+h-1,e=c;d>=e;e++)f=Math.max(j,e),g=Math.min(k,e),f=Math.ceil(f),g=Math.floor(g),g>=f&&l.push({row:b,firstRowDayIndex:f-c,lastRowDayIndex:g-c,isStart:f===j,isEnd:g===k});return l},renderHeadHtml:function(){var a=this.view;return'<div class="fc-row '+a.widgetHeaderClass+'"><table><thead>'+this.renderHeadTrHtml()+"</thead></table></div>"},renderHeadIntroHtml:function(){return this.renderIntroHtml()},renderHeadTrHtml:function(){return"<tr>"+(this.isRTL?"":this.renderHeadIntroHtml())+this.renderHeadDateCellsHtml()+(this.isRTL?this.renderHeadIntroHtml():"")+"</tr>"},renderHeadDateCellsHtml:function(){var a,b,c=[];for(a=0;a<this.colCnt;a++)b=this.getCellDate(0,a),c.push(this.renderHeadDateCellHtml(b));return c.join("")},renderHeadDateCellHtml:function(a,b,c){var d=this.view;return'<th class="fc-day-header '+d.widgetHeaderClass+" fc-"+Za[a.day()]+'"'+(1==this.rowCnt?' data-date="'+a.format("YYYY-MM-DD")+'"':"")+(b>1?' colspan="'+b+'"':"")+(c?" "+c:"")+">"+ca(a.format(this.colHeadFormat))+"</th>"},renderBgTrHtml:function(a){return"<tr>"+(this.isRTL?"":this.renderBgIntroHtml(a))+this.renderBgCellsHtml(a)+(this.isRTL?this.renderBgIntroHtml(a):"")+"</tr>";
+},renderBgIntroHtml:function(a){return this.renderIntroHtml()},renderBgCellsHtml:function(a){var b,c,d=[];for(b=0;b<this.colCnt;b++)c=this.getCellDate(a,b),d.push(this.renderBgCellHtml(c));return d.join("")},renderBgCellHtml:function(a,b){var c=this.view,d=this.getDayClasses(a);return d.unshift("fc-day",c.widgetContentClass),'<td class="'+d.join(" ")+'" data-date="'+a.format("YYYY-MM-DD")+'"'+(b?" "+b:"")+"></td>"},renderIntroHtml:function(){},bookendCells:function(a){var b=this.renderIntroHtml();b&&(this.isRTL?a.append(b):a.prepend(b))}},ub=Va.DayGrid=sb.extend(tb,{numbersVisible:!1,bottomCoordPadding:0,rowEls:null,cellEls:null,helperEls:null,rowCoordCache:null,colCoordCache:null,renderDates:function(a){var b,c,d=this.view,e=this.rowCnt,f=this.colCnt,g="";for(b=0;e>b;b++)g+=this.renderDayRowHtml(b,a);for(this.el.html(g),this.rowEls=this.el.find(".fc-row"),this.cellEls=this.el.find(".fc-day"),this.rowCoordCache=new ob({els:this.rowEls,isVertical:!0}),this.colCoordCache=new ob({els:this.cellEls.slice(0,this.colCnt),isHorizontal:!0}),b=0;e>b;b++)for(c=0;f>c;c++)d.trigger("dayRender",null,this.getCellDate(b,c),this.getCellEl(b,c))},unrenderDates:function(){this.removeSegPopover()},renderBusinessHours:function(){var a=this.view.calendar.getBusinessHoursEvents(!0),b=this.eventsToSegs(a);this.renderFill("businessHours",b,"bgevent")},renderDayRowHtml:function(a,b){var c=this.view,d=["fc-row","fc-week",c.widgetContentClass];return b&&d.push("fc-rigid"),'<div class="'+d.join(" ")+'"><div class="fc-bg"><table>'+this.renderBgTrHtml(a)+'</table></div><div class="fc-content-skeleton"><table>'+(this.numbersVisible?"<thead>"+this.renderNumberTrHtml(a)+"</thead>":"")+"</table></div></div>"},renderNumberTrHtml:function(a){return"<tr>"+(this.isRTL?"":this.renderNumberIntroHtml(a))+this.renderNumberCellsHtml(a)+(this.isRTL?this.renderNumberIntroHtml(a):"")+"</tr>"},renderNumberIntroHtml:function(a){return this.renderIntroHtml()},renderNumberCellsHtml:function(a){var b,c,d=[];for(b=0;b<this.colCnt;b++)c=this.getCellDate(a,b),d.push(this.renderNumberCellHtml(c));return d.join("")},renderNumberCellHtml:function(a){var b;return this.view.dayNumbersVisible?(b=this.getDayClasses(a),b.unshift("fc-day-number"),'<td class="'+b.join(" ")+'" data-date="'+a.format()+'">'+a.date()+"</td>"):"<td/>"},computeEventTimeFormat:function(){return this.view.opt("extraSmallTimeFormat")},computeDisplayEventEnd:function(){return 1==this.colCnt},rangeUpdated:function(){this.updateDayTable()},spanToSegs:function(a){var b,c,d=this.sliceRangeByRow(a);for(b=0;b<d.length;b++)c=d[b],this.isRTL?(c.leftCol=this.daysPerRow-1-c.lastRowDayIndex,c.rightCol=this.daysPerRow-1-c.firstRowDayIndex):(c.leftCol=c.firstRowDayIndex,c.rightCol=c.lastRowDayIndex);return d},prepareHits:function(){this.colCoordCache.build(),this.rowCoordCache.build(),this.rowCoordCache.bottoms[this.rowCnt-1]+=this.bottomCoordPadding},releaseHits:function(){this.colCoordCache.clear(),this.rowCoordCache.clear()},queryHit:function(a,b){var c=this.colCoordCache.getHorizontalIndex(a),d=this.rowCoordCache.getVerticalIndex(b);return null!=d&&null!=c?this.getCellHit(d,c):void 0},getHitSpan:function(a){return this.getCellRange(a.row,a.col)},getHitEl:function(a){return this.getCellEl(a.row,a.col)},getCellHit:function(a,b){return{row:a,col:b,component:this,left:this.colCoordCache.getLeftOffset(b),right:this.colCoordCache.getRightOffset(b),top:this.rowCoordCache.getTopOffset(a),bottom:this.rowCoordCache.getBottomOffset(a)}},getCellEl:function(a,b){return this.cellEls.eq(a*this.colCnt+b)},renderDrag:function(a,b){return this.renderHighlight(this.eventToSpan(a)),b&&!b.el.closest(this.el).length?this.renderEventLocationHelper(a,b):void 0},unrenderDrag:function(){this.unrenderHighlight(),this.unrenderHelper()},renderEventResize:function(a,b){return this.renderHighlight(this.eventToSpan(a)),this.renderEventLocationHelper(a,b)},unrenderEventResize:function(){this.unrenderHighlight(),this.unrenderHelper()},renderHelper:function(b,c){var d,e=[],f=this.eventToSegs(b);return f=this.renderFgSegEls(f),d=this.renderSegRows(f),this.rowEls.each(function(b,f){var g,h=a(f),i=a('<div class="fc-helper-skeleton"><table/></div>');g=c&&c.row===b?c.el.position().top:h.find(".fc-content-skeleton tbody").position().top,i.css("top",g).find("table").append(d[b].tbodyEl),h.append(i),e.push(i[0])}),this.helperEls=a(e)},unrenderHelper:function(){this.helperEls&&(this.helperEls.remove(),this.helperEls=null)},fillSegTag:"td",renderFill:function(b,c,d){var e,f,g,h=[];for(c=this.renderFillSegEls(b,c),e=0;e<c.length;e++)f=c[e],g=this.renderFillRow(b,f,d),this.rowEls.eq(f.row).append(g),h.push(g[0]);return this.elsByFill[b]=a(h),c},renderFillRow:function(b,c,d){var e,f,g=this.colCnt,h=c.leftCol,i=c.rightCol+1;return d=d||b.toLowerCase(),e=a('<div class="fc-'+d+'-skeleton"><table><tr/></table></div>'),f=e.find("tr"),h>0&&f.append('<td colspan="'+h+'"/>'),f.append(c.el.attr("colspan",i-h)),g>i&&f.append('<td colspan="'+(g-i)+'"/>'),this.bookendCells(f),e}});ub.mixin({rowStructs:null,unrenderEvents:function(){this.removeSegPopover(),sb.prototype.unrenderEvents.apply(this,arguments)},getEventSegs:function(){return sb.prototype.getEventSegs.call(this).concat(this.popoverSegs||[])},renderBgSegs:function(b){var c=a.grep(b,function(a){return a.event.allDay});return sb.prototype.renderBgSegs.call(this,c)},renderFgSegs:function(b){var c;return b=this.renderFgSegEls(b),c=this.rowStructs=this.renderSegRows(b),this.rowEls.each(function(b,d){a(d).find(".fc-content-skeleton > table").append(c[b].tbodyEl)}),b},unrenderFgSegs:function(){for(var a,b=this.rowStructs||[];a=b.pop();)a.tbodyEl.remove();this.rowStructs=null},renderSegRows:function(a){var b,c,d=[];for(b=this.groupSegRows(a),c=0;c<b.length;c++)d.push(this.renderSegRow(c,b[c]));return d},fgSegHtml:function(a,b){var c,d,e=this.view,f=a.event,g=e.isEventDraggable(f),h=!b&&f.allDay&&a.isStart&&e.isEventResizableFromStart(f),i=!b&&f.allDay&&a.isEnd&&e.isEventResizableFromEnd(f),j=this.getSegClasses(a,g,h||i),k=ea(this.getSegSkinCss(a)),l="";return j.unshift("fc-day-grid-event","fc-h-event"),a.isStart&&(c=this.getEventTimeText(f),c&&(l='<span class="fc-time">'+ca(c)+"</span>")),d='<span class="fc-title">'+(ca(f.title||"")||"&nbsp;")+"</span>",'<a class="'+j.join(" ")+'"'+(f.url?' href="'+ca(f.url)+'"':"")+(k?' style="'+k+'"':"")+'><div class="fc-content">'+(this.isRTL?d+" "+l:l+" "+d)+"</div>"+(h?'<div class="fc-resizer fc-start-resizer" />':"")+(i?'<div class="fc-resizer fc-end-resizer" />':"")+"</a>"},renderSegRow:function(b,c){function d(b){for(;b>g;)k=(r[e-1]||[])[g],k?k.attr("rowspan",parseInt(k.attr("rowspan")||1,10)+1):(k=a("<td/>"),h.append(k)),q[e][g]=k,r[e][g]=k,g++}var e,f,g,h,i,j,k,l=this.colCnt,m=this.buildSegLevels(c),n=Math.max(1,m.length),o=a("<tbody/>"),p=[],q=[],r=[];for(e=0;n>e;e++){if(f=m[e],g=0,h=a("<tr/>"),p.push([]),q.push([]),r.push([]),f)for(i=0;i<f.length;i++){for(j=f[i],d(j.leftCol),k=a('<td class="fc-event-container"/>').append(j.el),j.leftCol!=j.rightCol?k.attr("colspan",j.rightCol-j.leftCol+1):r[e][g]=k;g<=j.rightCol;)q[e][g]=k,p[e][g]=j,g++;h.append(k)}d(l),this.bookendCells(h),o.append(h)}return{row:b,tbodyEl:o,cellMatrix:q,segMatrix:p,segLevels:m,segs:c}},buildSegLevels:function(a){var b,c,d,e=[];for(this.sortEventSegs(a),b=0;b<a.length;b++){for(c=a[b],d=0;d<e.length&&Ia(c,e[d]);d++);c.level=d,(e[d]||(e[d]=[])).push(c)}for(d=0;d<e.length;d++)e[d].sort(Ja);return e},groupSegRows:function(a){var b,c=[];for(b=0;b<this.rowCnt;b++)c.push([]);for(b=0;b<a.length;b++)c[a[b].row].push(a[b]);return c}}),ub.mixin({segPopover:null,popoverSegs:null,removeSegPopover:function(){this.segPopover&&this.segPopover.hide()},limitRows:function(a){var b,c,d=this.rowStructs||[];for(b=0;b<d.length;b++)this.unlimitRow(b),c=a?"number"==typeof a?a:this.computeRowLevelLimit(b):!1,c!==!1&&this.limitRow(b,c)},computeRowLevelLimit:function(b){function c(b,c){f=Math.max(f,a(c).outerHeight())}var d,e,f,g=this.rowEls.eq(b),h=g.height(),i=this.rowStructs[b].tbodyEl.children();for(d=0;d<i.length;d++)if(e=i.eq(d).removeClass("fc-limited"),f=0,e.find("> td > :first-child").each(c),e.position().top+f>h)return d;return!1},limitRow:function(b,c){function d(d){for(;d>w;)j=t.getCellSegs(b,w,c),j.length&&(m=f[c-1][w],s=t.renderMoreLink(b,w,j),r=a("<div/>").append(s),m.append(r),v.push(r[0])),w++}var e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t=this,u=this.rowStructs[b],v=[],w=0;if(c&&c<u.segLevels.length){for(e=u.segLevels[c-1],f=u.cellMatrix,g=u.tbodyEl.children().slice(c).addClass("fc-limited").get(),h=0;h<e.length;h++){for(i=e[h],d(i.leftCol),l=[],k=0;w<=i.rightCol;)j=this.getCellSegs(b,w,c),l.push(j),k+=j.length,w++;if(k){for(m=f[c-1][i.leftCol],n=m.attr("rowspan")||1,o=[],p=0;p<l.length;p++)q=a('<td class="fc-more-cell"/>').attr("rowspan",n),j=l[p],s=this.renderMoreLink(b,i.leftCol+p,[i].concat(j)),r=a("<div/>").append(s),q.append(r),o.push(q[0]),v.push(q[0]);m.addClass("fc-limited").after(a(o)),g.push(m[0])}}d(this.colCnt),u.moreEls=a(v),u.limitedEls=a(g)}},unlimitRow:function(a){var b=this.rowStructs[a];b.moreEls&&(b.moreEls.remove(),b.moreEls=null),b.limitedEls&&(b.limitedEls.removeClass("fc-limited"),b.limitedEls=null)},renderMoreLink:function(b,c,d){var e=this,f=this.view;return a('<a class="fc-more"/>').text(this.getMoreLinkText(d.length)).on("click",function(g){var h=f.opt("eventLimitClick"),i=e.getCellDate(b,c),j=a(this),k=e.getCellEl(b,c),l=e.getCellSegs(b,c),m=e.resliceDaySegs(l,i),n=e.resliceDaySegs(d,i);"function"==typeof h&&(h=f.trigger("eventLimitClick",null,{date:i,dayEl:k,moreEl:j,segs:m,hiddenSegs:n},g)),"popover"===h?e.showSegPopover(b,c,j,m):"string"==typeof h&&f.calendar.zoomTo(i,h)})},showSegPopover:function(a,b,c,d){var e,f,g=this,h=this.view,i=c.parent();e=1==this.rowCnt?h.el:this.rowEls.eq(a),f={className:"fc-more-popover",content:this.renderSegPopoverContent(a,b,d),parentEl:this.el,top:e.offset().top,autoHide:!0,viewportConstrain:h.opt("popoverViewportConstrain"),hide:function(){g.segPopover.removeElement(),g.segPopover=null,g.popoverSegs=null}},this.isRTL?f.right=i.offset().left+i.outerWidth()+1:f.left=i.offset().left-1,this.segPopover=new nb(f),this.segPopover.show()},renderSegPopoverContent:function(b,c,d){var e,f=this.view,g=f.opt("theme"),h=this.getCellDate(b,c).format(f.opt("dayPopoverFormat")),i=a('<div class="fc-header '+f.widgetHeaderClass+'"><span class="fc-close '+(g?"ui-icon ui-icon-closethick":"fc-icon fc-icon-x")+'"></span><span class="fc-title">'+ca(h)+'</span><div class="fc-clear"/></div><div class="fc-body '+f.widgetContentClass+'"><div class="fc-event-container"></div></div>'),j=i.find(".fc-event-container");for(d=this.renderFgSegEls(d,!0),this.popoverSegs=d,e=0;e<d.length;e++)this.prepareHits(),d[e].hit=this.getCellHit(b,c),this.releaseHits(),j.append(d[e].el);return i},resliceDaySegs:function(b,c){var d=a.map(b,function(a){return a.event}),e=c.clone(),f=e.clone().add(1,"days"),g={start:e,end:f};return b=this.eventsToSegs(d,function(a){var b=K(a,g);return b?[b]:[]}),this.sortEventSegs(b),b},getMoreLinkText:function(a){var b=this.view.opt("eventLimitText");return"function"==typeof b?b(a):"+"+a+" "+b},getCellSegs:function(a,b,c){for(var d,e=this.rowStructs[a].segMatrix,f=c||0,g=[];f<e.length;)d=e[f][b],d&&g.push(d),f++;return g}});var vb=Va.TimeGrid=sb.extend(tb,{slotDuration:null,snapDuration:null,snapsPerSlot:null,minTime:null,maxTime:null,labelFormat:null,labelInterval:null,colEls:null,slatContainerEl:null,slatEls:null,nowIndicatorEls:null,colCoordCache:null,slatCoordCache:null,constructor:function(){sb.apply(this,arguments),this.processOptions()},renderDates:function(){this.el.html(this.renderHtml()),this.colEls=this.el.find(".fc-day"),this.slatContainerEl=this.el.find(".fc-slats"),this.slatEls=this.slatContainerEl.find("tr"),this.colCoordCache=new ob({els:this.colEls,isHorizontal:!0}),this.slatCoordCache=new ob({els:this.slatEls,isVertical:!0}),this.renderContentSkeleton()},renderHtml:function(){return'<div class="fc-bg"><table>'+this.renderBgTrHtml(0)+'</table></div><div class="fc-slats"><table>'+this.renderSlatRowHtml()+"</table></div>"},renderSlatRowHtml:function(){for(var a,c,d,e=this.view,f=this.isRTL,g="",h=b.duration(+this.minTime);h<this.maxTime;)a=this.start.clone().time(h),c=ha(R(h,this.labelInterval)),d='<td class="fc-axis fc-time '+e.widgetContentClass+'" '+e.axisStyleAttr()+">"+(c?"<span>"+ca(a.format(this.labelFormat))+"</span>":"")+"</td>",g+='<tr data-time="'+a.format("HH:mm:ss")+'"'+(c?"":' class="fc-minor"')+">"+(f?"":d)+'<td class="'+e.widgetContentClass+'"/>'+(f?d:"")+"</tr>",h.add(this.slotDuration);return g},processOptions:function(){var c,d=this.view,e=d.opt("slotDuration"),f=d.opt("snapDuration");e=b.duration(e),f=f?b.duration(f):e,this.slotDuration=e,this.snapDuration=f,this.snapsPerSlot=e/f,this.minResizeDuration=f,this.minTime=b.duration(d.opt("minTime")),this.maxTime=b.duration(d.opt("maxTime")),c=d.opt("slotLabelFormat"),a.isArray(c)&&(c=c[c.length-1]),this.labelFormat=c||d.opt("axisFormat")||d.opt("smallTimeFormat"),c=d.opt("slotLabelInterval"),this.labelInterval=c?b.duration(c):this.computeLabelInterval(e)},computeLabelInterval:function(a){var c,d,e;for(c=Mb.length-1;c>=0;c--)if(d=b.duration(Mb[c]),e=R(d,a),ha(e)&&e>1)return d;return b.duration(a)},computeEventTimeFormat:function(){return this.view.opt("noMeridiemTimeFormat")},computeDisplayEventEnd:function(){return!0},prepareHits:function(){this.colCoordCache.build(),this.slatCoordCache.build()},releaseHits:function(){this.colCoordCache.clear()},queryHit:function(a,b){var c=this.snapsPerSlot,d=this.colCoordCache,e=this.slatCoordCache,f=d.getHorizontalIndex(a),g=e.getVerticalIndex(b);if(null!=f&&null!=g){var h=e.getTopOffset(g),i=e.getHeight(g),j=(b-h)/i,k=Math.floor(j*c),l=g*c+k,m=h+k/c*i,n=h+(k+1)/c*i;return{col:f,snap:l,component:this,left:d.getLeftOffset(f),right:d.getRightOffset(f),top:m,bottom:n}}},getHitSpan:function(a){var b,c=this.getCellDate(0,a.col),d=this.computeSnapTime(a.snap);return c.time(d),b=c.clone().add(this.snapDuration),{start:c,end:b}},getHitEl:function(a){return this.colEls.eq(a.col)},rangeUpdated:function(){this.updateDayTable()},computeSnapTime:function(a){return b.duration(this.minTime+this.snapDuration*a)},spanToSegs:function(a){var b,c=this.sliceRangeByTimes(a);for(b=0;b<c.length;b++)this.isRTL?c[b].col=this.daysPerRow-1-c[b].dayIndex:c[b].col=c[b].dayIndex;return c},sliceRangeByTimes:function(a){var b,c,d,e,f=[];for(c=0;c<this.daysPerRow;c++)d=this.dayDates[c].clone(),e={start:d.clone().time(this.minTime),end:d.clone().time(this.maxTime)},b=K(a,e),b&&(b.dayIndex=c,f.push(b));return f},updateSize:function(a){this.slatCoordCache.build(),a&&this.updateSegVerticals([].concat(this.fgSegs||[],this.bgSegs||[],this.businessSegs||[]))},getTotalSlatHeight:function(){return this.slatContainerEl.outerHeight()},computeDateTop:function(a,c){return this.computeTimeTop(b.duration(a-c.clone().stripTime()))},computeTimeTop:function(a){var b,c,d=this.slatEls.length,e=(a-this.minTime)/this.slotDuration;return e=Math.max(0,e),e=Math.min(d,e),b=Math.floor(e),b=Math.min(b,d-1),c=e-b,this.slatCoordCache.getTopPosition(b)+this.slatCoordCache.getHeight(b)*c},renderDrag:function(a,b){return b?this.renderEventLocationHelper(a,b):void this.renderHighlight(this.eventToSpan(a))},unrenderDrag:function(){this.unrenderHelper(),this.unrenderHighlight()},renderEventResize:function(a,b){return this.renderEventLocationHelper(a,b)},unrenderEventResize:function(){this.unrenderHelper()},renderHelper:function(a,b){return this.renderHelperSegs(this.eventToSegs(a),b)},unrenderHelper:function(){this.unrenderHelperSegs()},renderBusinessHours:function(){var a=this.view.calendar.getBusinessHoursEvents(),b=this.eventsToSegs(a);this.renderBusinessSegs(b)},unrenderBusinessHours:function(){this.unrenderBusinessSegs()},getNowIndicatorUnit:function(){return"minute"},renderNowIndicator:function(b){var c,d=this.spanToSegs({start:b,end:b}),e=this.computeDateTop(b,b),f=[];for(c=0;c<d.length;c++)f.push(a('<div class="fc-now-indicator fc-now-indicator-line"></div>').css("top",e).appendTo(this.colContainerEls.eq(d[c].col))[0]);d.length>0&&f.push(a('<div class="fc-now-indicator fc-now-indicator-arrow"></div>').css("top",e).appendTo(this.el.find(".fc-content-skeleton"))[0]),this.nowIndicatorEls=a(f)},unrenderNowIndicator:function(){this.nowIndicatorEls&&(this.nowIndicatorEls.remove(),this.nowIndicatorEls=null)},renderSelection:function(a){this.view.opt("selectHelper")?this.renderEventLocationHelper(a):this.renderHighlight(a)},unrenderSelection:function(){this.unrenderHelper(),this.unrenderHighlight()},renderHighlight:function(a){this.renderHighlightSegs(this.spanToSegs(a))},unrenderHighlight:function(){this.unrenderHighlightSegs()}});vb.mixin({colContainerEls:null,fgContainerEls:null,bgContainerEls:null,helperContainerEls:null,highlightContainerEls:null,businessContainerEls:null,fgSegs:null,bgSegs:null,helperSegs:null,highlightSegs:null,businessSegs:null,renderContentSkeleton:function(){var b,c,d="";for(b=0;b<this.colCnt;b++)d+='<td><div class="fc-content-col"><div class="fc-event-container fc-helper-container"></div><div class="fc-event-container"></div><div class="fc-highlight-container"></div><div class="fc-bgevent-container"></div><div class="fc-business-container"></div></div></td>';c=a('<div class="fc-content-skeleton"><table><tr>'+d+"</tr></table></div>"),this.colContainerEls=c.find(".fc-content-col"),this.helperContainerEls=c.find(".fc-helper-container"),this.fgContainerEls=c.find(".fc-event-container:not(.fc-helper-container)"),this.bgContainerEls=c.find(".fc-bgevent-container"),this.highlightContainerEls=c.find(".fc-highlight-container"),this.businessContainerEls=c.find(".fc-business-container"),this.bookendCells(c.find("tr")),this.el.append(c)},renderFgSegs:function(a){return a=this.renderFgSegsIntoContainers(a,this.fgContainerEls),this.fgSegs=a,a},unrenderFgSegs:function(){this.unrenderNamedSegs("fgSegs")},renderHelperSegs:function(b,c){var d,e,f,g=[];for(b=this.renderFgSegsIntoContainers(b,this.helperContainerEls),d=0;d<b.length;d++)e=b[d],c&&c.col===e.col&&(f=c.el,e.el.css({left:f.css("left"),right:f.css("right"),"margin-left":f.css("margin-left"),"margin-right":f.css("margin-right")})),g.push(e.el[0]);return this.helperSegs=b,a(g)},unrenderHelperSegs:function(){this.unrenderNamedSegs("helperSegs")},renderBgSegs:function(a){return a=this.renderFillSegEls("bgEvent",a),this.updateSegVerticals(a),this.attachSegsByCol(this.groupSegsByCol(a),this.bgContainerEls),this.bgSegs=a,a},unrenderBgSegs:function(){this.unrenderNamedSegs("bgSegs")},renderHighlightSegs:function(a){a=this.renderFillSegEls("highlight",a),this.updateSegVerticals(a),this.attachSegsByCol(this.groupSegsByCol(a),this.highlightContainerEls),this.highlightSegs=a},unrenderHighlightSegs:function(){this.unrenderNamedSegs("highlightSegs")},renderBusinessSegs:function(a){a=this.renderFillSegEls("businessHours",a),this.updateSegVerticals(a),this.attachSegsByCol(this.groupSegsByCol(a),this.businessContainerEls),this.businessSegs=a},unrenderBusinessSegs:function(){this.unrenderNamedSegs("businessSegs")},groupSegsByCol:function(a){var b,c=[];for(b=0;b<this.colCnt;b++)c.push([]);for(b=0;b<a.length;b++)c[a[b].col].push(a[b]);return c},attachSegsByCol:function(a,b){var c,d,e;for(c=0;c<this.colCnt;c++)for(d=a[c],e=0;e<d.length;e++)b.eq(c).append(d[e].el)},unrenderNamedSegs:function(a){var b,c=this[a];if(c){for(b=0;b<c.length;b++)c[b].el.remove();this[a]=null}},renderFgSegsIntoContainers:function(a,b){var c,d;for(a=this.renderFgSegEls(a),c=this.groupSegsByCol(a),d=0;d<this.colCnt;d++)this.updateFgSegCoords(c[d]);return this.attachSegsByCol(c,b),a},fgSegHtml:function(a,b){var c,d,e,f=this.view,g=a.event,h=f.isEventDraggable(g),i=!b&&a.isStart&&f.isEventResizableFromStart(g),j=!b&&a.isEnd&&f.isEventResizableFromEnd(g),k=this.getSegClasses(a,h,i||j),l=ea(this.getSegSkinCss(a));return k.unshift("fc-time-grid-event","fc-v-event"),f.isMultiDayEvent(g)?(a.isStart||a.isEnd)&&(c=this.getEventTimeText(a),d=this.getEventTimeText(a,"LT"),e=this.getEventTimeText(a,null,!1)):(c=this.getEventTimeText(g),d=this.getEventTimeText(g,"LT"),e=this.getEventTimeText(g,null,!1)),'<a class="'+k.join(" ")+'"'+(g.url?' href="'+ca(g.url)+'"':"")+(l?' style="'+l+'"':"")+'><div class="fc-content">'+(c?'<div class="fc-time" data-start="'+ca(e)+'" data-full="'+ca(d)+'"><span>'+ca(c)+"</span></div>":"")+(g.title?'<div class="fc-title">'+ca(g.title)+"</div>":"")+'</div><div class="fc-bg"/>'+(j?'<div class="fc-resizer fc-end-resizer" />':"")+"</a>"},updateSegVerticals:function(a){this.computeSegVerticals(a),this.assignSegVerticals(a)},computeSegVerticals:function(a){var b,c;for(b=0;b<a.length;b++)c=a[b],c.top=this.computeDateTop(c.start,c.start),c.bottom=this.computeDateTop(c.end,c.start)},assignSegVerticals:function(a){var b,c;for(b=0;b<a.length;b++)c=a[b],c.el.css(this.generateSegVerticalCss(c))},generateSegVerticalCss:function(a){return{top:a.top,bottom:-a.bottom}},updateFgSegCoords:function(a){this.computeSegVerticals(a),this.computeFgSegHorizontals(a),this.assignSegVerticals(a),this.assignFgSegHorizontals(a)},computeFgSegHorizontals:function(a){var b,c,d;if(this.sortEventSegs(a),b=Ka(a),La(b),c=b[0]){for(d=0;d<c.length;d++)Ma(c[d]);for(d=0;d<c.length;d++)this.computeFgSegForwardBack(c[d],0,0)}},computeFgSegForwardBack:function(a,b,c){var d,e=a.forwardSegs;if(void 0===a.forwardCoord)for(e.length?(this.sortForwardSegs(e),this.computeFgSegForwardBack(e[0],b+1,c),a.forwardCoord=e[0].backwardCoord):a.forwardCoord=1,a.backwardCoord=a.forwardCoord-(a.forwardCoord-c)/(b+1),d=0;d<e.length;d++)this.computeFgSegForwardBack(e[d],0,a.forwardCoord)},sortForwardSegs:function(a){a.sort(ia(this,"compareForwardSegs"))},compareForwardSegs:function(a,b){return b.forwardPressure-a.forwardPressure||(a.backwardCoord||0)-(b.backwardCoord||0)||this.compareEventSegs(a,b)},assignFgSegHorizontals:function(a){var b,c;for(b=0;b<a.length;b++)c=a[b],c.el.css(this.generateFgSegHorizontalCss(c)),c.bottom-c.top<30&&c.el.addClass("fc-short")},generateFgSegHorizontalCss:function(a){var b,c,d=this.view.opt("slotEventOverlap"),e=a.backwardCoord,f=a.forwardCoord,g=this.generateSegVerticalCss(a);return d&&(f=Math.min(1,e+2*(f-e))),this.isRTL?(b=1-f,c=e):(b=e,c=1-f),g.zIndex=a.level+1,g.left=100*b+"%",g.right=100*c+"%",d&&a.forwardPressure&&(g[this.isRTL?"marginLeft":"marginRight"]=20),g}});var wb=Va.View=xa.extend(kb,lb,{type:null,name:null,title:null,calendar:null,options:null,el:null,displaying:null,isSkeletonRendered:!1,isEventsRendered:!1,start:null,end:null,intervalStart:null,intervalEnd:null,intervalDuration:null,intervalUnit:null,isRTL:!1,isSelected:!1,selectedEvent:null,eventOrderSpecs:null,widgetHeaderClass:null,widgetContentClass:null,highlightStateClass:null,nextDayThreshold:null,isHiddenDayHash:null,isNowIndicatorRendered:null,initialNowDate:null,initialNowQueriedMs:null,nowIndicatorTimeoutID:null,nowIndicatorIntervalID:null,constructor:function(a,c,d,e){this.calendar=a,this.type=this.name=c,this.options=d,this.intervalDuration=e||b.duration(1,"day"),this.nextDayThreshold=b.duration(this.opt("nextDayThreshold")),this.initThemingProps(),this.initHiddenDays(),this.isRTL=this.opt("isRTL"),this.eventOrderSpecs=G(this.opt("eventOrder")),this.initialize()},initialize:function(){},opt:function(a){return this.options[a]},trigger:function(a,b){var c=this.calendar;return c.trigger.apply(c,[a,b||this].concat(Array.prototype.slice.call(arguments,2),[this]))},setDate:function(a){this.setRange(this.computeRange(a))},setRange:function(b){a.extend(this,b),this.updateTitle()},computeRange:function(a){var b,c,d=O(this.intervalDuration),e=a.clone().startOf(d),f=e.clone().add(this.intervalDuration);return/year|month|week|day/.test(d)?(e.stripTime(),f.stripTime()):(e.hasTime()||(e=this.calendar.time(0)),f.hasTime()||(f=this.calendar.time(0))),b=e.clone(),b=this.skipHiddenDays(b),c=f.clone(),c=this.skipHiddenDays(c,-1,!0),{intervalUnit:d,intervalStart:e,intervalEnd:f,start:b,end:c}},computePrevDate:function(a){return this.massageCurrentDate(a.clone().startOf(this.intervalUnit).subtract(this.intervalDuration),-1)},computeNextDate:function(a){return this.massageCurrentDate(a.clone().startOf(this.intervalUnit).add(this.intervalDuration))},massageCurrentDate:function(a,b){return this.intervalDuration.as("days")<=1&&this.isHiddenDay(a)&&(a=this.skipHiddenDays(a,b),a.startOf("day")),a},updateTitle:function(){this.title=this.computeTitle()},computeTitle:function(){return this.formatRange({start:this.calendar.applyTimezone(this.intervalStart),end:this.calendar.applyTimezone(this.intervalEnd)},this.opt("titleFormat")||this.computeTitleFormat(),this.opt("titleRangeSeparator"))},computeTitleFormat:function(){return"year"==this.intervalUnit?"YYYY":"month"==this.intervalUnit?this.opt("monthYearFormat"):this.intervalDuration.as("days")>1?"ll":"LL"},formatRange:function(a,b,c){var d=a.end;return d.hasTime()||(d=d.clone().subtract(1)),sa(a.start,d,b,c,this.opt("isRTL"))},setElement:function(a){this.el=a,this.bindGlobalHandlers()},removeElement:function(){this.clear(),this.isSkeletonRendered&&(this.unrenderSkeleton(),this.isSkeletonRendered=!1),this.unbindGlobalHandlers(),this.el.remove()},display:function(b){var c=this,d=null;return this.displaying&&(d=this.queryScroll()),this.calendar.freezeContentHeight(),this.clear().then(function(){return c.displaying=a.when(c.displayView(b)).then(function(){c.forceScroll(c.computeInitialScroll(d)),c.calendar.unfreezeContentHeight(),c.triggerRender()})})},clear:function(){var b=this,c=this.displaying;return c?c.then(function(){return b.displaying=null,b.clearEvents(),b.clearView()}):a.when()},displayView:function(a){this.isSkeletonRendered||(this.renderSkeleton(),this.isSkeletonRendered=!0),a&&this.setDate(a),this.render&&this.render(),this.renderDates(),this.updateSize(),this.renderBusinessHours(),this.startNowIndicator()},clearView:function(){this.unselect(),this.stopNowIndicator(),this.triggerUnrender(),this.unrenderBusinessHours(),this.unrenderDates(),this.destroy&&this.destroy()},renderSkeleton:function(){},unrenderSkeleton:function(){},renderDates:function(){},unrenderDates:function(){},triggerRender:function(){this.trigger("viewRender",this,this,this.el)},triggerUnrender:function(){this.trigger("viewDestroy",this,this,this.el)},bindGlobalHandlers:function(){this.listenTo(a(document),"mousedown",this.handleDocumentMousedown),this.listenTo(a(document),"touchstart",this.processUnselect)},unbindGlobalHandlers:function(){this.stopListeningTo(a(document))},initThemingProps:function(){var a=this.opt("theme")?"ui":"fc";this.widgetHeaderClass=a+"-widget-header",this.widgetContentClass=a+"-widget-content",this.highlightStateClass=a+"-state-highlight"},renderBusinessHours:function(){},unrenderBusinessHours:function(){},startNowIndicator:function(){var a,c,d,e=this;this.opt("nowIndicator")&&(a=this.getNowIndicatorUnit(),a&&(c=ia(this,"updateNowIndicator"),this.initialNowDate=this.calendar.getNow(),this.initialNowQueriedMs=+new Date,this.renderNowIndicator(this.initialNowDate),this.isNowIndicatorRendered=!0,d=this.initialNowDate.clone().startOf(a).add(1,a)-this.initialNowDate,this.nowIndicatorTimeoutID=setTimeout(function(){e.nowIndicatorTimeoutID=null,c(),d=+b.duration(1,a),d=Math.max(100,d),e.nowIndicatorIntervalID=setInterval(c,d)},d)))},updateNowIndicator:function(){this.isNowIndicatorRendered&&(this.unrenderNowIndicator(),this.renderNowIndicator(this.initialNowDate.clone().add(new Date-this.initialNowQueriedMs)))},stopNowIndicator:function(){this.isNowIndicatorRendered&&(this.nowIndicatorTimeoutID&&(clearTimeout(this.nowIndicatorTimeoutID),this.nowIndicatorTimeoutID=null),this.nowIndicatorIntervalID&&(clearTimeout(this.nowIndicatorIntervalID),this.nowIndicatorIntervalID=null),this.unrenderNowIndicator(),this.isNowIndicatorRendered=!1)},getNowIndicatorUnit:function(){},renderNowIndicator:function(a){},unrenderNowIndicator:function(){},updateSize:function(a){var b;a&&(b=this.queryScroll()),this.updateHeight(a),this.updateWidth(a),this.updateNowIndicator(),a&&this.setScroll(b)},updateWidth:function(a){},updateHeight:function(a){var b=this.calendar;this.setHeight(b.getSuggestedViewHeight(),b.isHeightAuto())},setHeight:function(a,b){},computeInitialScroll:function(a){return 0},queryScroll:function(){},setScroll:function(a){},forceScroll:function(a){var b=this;this.setScroll(a),setTimeout(function(){b.setScroll(a)},0)},displayEvents:function(a){var b=this.queryScroll();this.clearEvents(),this.renderEvents(a),this.isEventsRendered=!0,this.setScroll(b),this.triggerEventRender()},clearEvents:function(){var a;this.isEventsRendered&&(a=this.queryScroll(),this.triggerEventUnrender(),this.destroyEvents&&this.destroyEvents(),this.unrenderEvents(),this.setScroll(a),this.isEventsRendered=!1)},renderEvents:function(a){},unrenderEvents:function(){},triggerEventRender:function(){this.renderedEventSegEach(function(a){this.trigger("eventAfterRender",a.event,a.event,a.el)}),this.trigger("eventAfterAllRender")},triggerEventUnrender:function(){this.renderedEventSegEach(function(a){this.trigger("eventDestroy",a.event,a.event,a.el)})},resolveEventEl:function(b,c){var d=this.trigger("eventRender",b,b,c);return d===!1?c=null:d&&d!==!0&&(c=a(d)),c},showEvent:function(a){this.renderedEventSegEach(function(a){a.el.css("visibility","")},a)},hideEvent:function(a){this.renderedEventSegEach(function(a){a.el.css("visibility","hidden")},a)},renderedEventSegEach:function(a,b){var c,d=this.getEventSegs();for(c=0;c<d.length;c++)b&&d[c].event._id!==b._id||d[c].el&&a.call(this,d[c])},getEventSegs:function(){return[]},isEventDraggable:function(a){var b=a.source||{};return ba(a.startEditable,b.startEditable,this.opt("eventStartEditable"),a.editable,b.editable,this.opt("editable"))},reportEventDrop:function(a,b,c,d,e){var f=this.calendar,g=f.mutateEvent(a,b,c),h=function(){g.undo(),f.reportEventChange()};this.triggerEventDrop(a,g.dateDelta,h,d,e),f.reportEventChange()},triggerEventDrop:function(a,b,c,d,e){this.trigger("eventDrop",d[0],a,b,c,e,{})},reportExternalDrop:function(b,c,d,e,f){var g,h,i=b.eventProps;i&&(g=a.extend({},i,c),h=this.calendar.renderEvent(g,b.stick)[0]),this.triggerExternalDrop(h,c,d,e,f)},triggerExternalDrop:function(a,b,c,d,e){this.trigger("drop",c[0],b.start,d,e),a&&this.trigger("eventReceive",null,a)},renderDrag:function(a,b){},unrenderDrag:function(){},isEventResizableFromStart:function(a){return this.opt("eventResizableFromStart")&&this.isEventResizable(a)},isEventResizableFromEnd:function(a){return this.isEventResizable(a)},isEventResizable:function(a){var b=a.source||{};return ba(a.durationEditable,b.durationEditable,this.opt("eventDurationEditable"),a.editable,b.editable,this.opt("editable"))},reportEventResize:function(a,b,c,d,e){var f=this.calendar,g=f.mutateEvent(a,b,c),h=function(){g.undo(),f.reportEventChange()};this.triggerEventResize(a,g.durationDelta,h,d,e),f.reportEventChange()},triggerEventResize:function(a,b,c,d,e){this.trigger("eventResize",d[0],a,b,c,e,{})},select:function(a,b){this.unselect(b),this.renderSelection(a),this.reportSelection(a,b)},renderSelection:function(a){},reportSelection:function(a,b){this.isSelected=!0,this.triggerSelect(a,b)},triggerSelect:function(a,b){this.trigger("select",null,this.calendar.applyTimezone(a.start),this.calendar.applyTimezone(a.end),b)},unselect:function(a){this.isSelected&&(this.isSelected=!1,this.destroySelection&&this.destroySelection(),this.unrenderSelection(),this.trigger("unselect",null,a))},unrenderSelection:function(){},selectEvent:function(a){this.selectedEvent&&this.selectedEvent===a||(this.unselectEvent(),this.renderedEventSegEach(function(a){a.el.addClass("fc-selected")},a),this.selectedEvent=a)},unselectEvent:function(){this.selectedEvent&&(this.renderedEventSegEach(function(a){a.el.removeClass("fc-selected")},this.selectedEvent),this.selectedEvent=null)},isEventSelected:function(a){return this.selectedEvent&&this.selectedEvent._id===a._id},handleDocumentMousedown:function(a){
+u(a)&&this.processUnselect(a)},processUnselect:function(a){this.processRangeUnselect(a),this.processEventUnselect(a)},processRangeUnselect:function(b){var c;this.isSelected&&this.opt("unselectAuto")&&(c=this.opt("unselectCancel"),c&&a(b.target).closest(c).length||this.unselect(b))},processEventUnselect:function(b){this.selectedEvent&&(a(b.target).closest(".fc-selected").length||this.unselectEvent())},triggerDayClick:function(a,b,c){this.trigger("dayClick",b,this.calendar.applyTimezone(a.start),c)},initHiddenDays:function(){var b,c=this.opt("hiddenDays")||[],d=[],e=0;for(this.opt("weekends")===!1&&c.push(0,6),b=0;7>b;b++)(d[b]=-1!==a.inArray(b,c))||e++;if(!e)throw"invalid hiddenDays";this.isHiddenDayHash=d},isHiddenDay:function(a){return b.isMoment(a)&&(a=a.day()),this.isHiddenDayHash[a]},skipHiddenDays:function(a,b,c){var d=a.clone();for(b=b||1;this.isHiddenDayHash[(d.day()+(c?b:0)+7)%7];)d.add(b,"days");return d},computeDayRange:function(a){var b,c=a.start.clone().stripTime(),d=a.end,e=null;return d&&(e=d.clone().stripTime(),b=+d.time(),b&&b>=this.nextDayThreshold&&e.add(1,"days")),(!d||c>=e)&&(e=c.clone().add(1,"days")),{start:c,end:e}},isMultiDayEvent:function(a){var b=this.computeDayRange(a);return b.end.diff(b.start,"days")>1}}),xb=Va.Scroller=xa.extend({el:null,scrollEl:null,overflowX:null,overflowY:null,constructor:function(a){a=a||{},this.overflowX=a.overflowX||a.overflow||"auto",this.overflowY=a.overflowY||a.overflow||"auto"},render:function(){this.el=this.renderEl(),this.applyOverflow()},renderEl:function(){return this.scrollEl=a('<div class="fc-scroller"></div>')},clear:function(){this.setHeight("auto"),this.applyOverflow()},destroy:function(){this.el.remove()},applyOverflow:function(){this.scrollEl.css({"overflow-x":this.overflowX,"overflow-y":this.overflowY})},lockOverflow:function(a){var b=this.overflowX,c=this.overflowY;a=a||this.getScrollbarWidths(),"auto"===b&&(b=a.top||a.bottom||this.scrollEl[0].scrollWidth-1>this.scrollEl[0].clientWidth?"scroll":"hidden"),"auto"===c&&(c=a.left||a.right||this.scrollEl[0].scrollHeight-1>this.scrollEl[0].clientHeight?"scroll":"hidden"),this.scrollEl.css({"overflow-x":b,"overflow-y":c})},setHeight:function(a){this.scrollEl.height(a)},getScrollTop:function(){return this.scrollEl.scrollTop()},setScrollTop:function(a){this.scrollEl.scrollTop(a)},getClientWidth:function(){return this.scrollEl[0].clientWidth},getClientHeight:function(){return this.scrollEl[0].clientHeight},getScrollbarWidths:function(){return q(this.scrollEl)}}),yb=Va.Calendar=xa.extend({dirDefaults:null,langDefaults:null,overrides:null,options:null,viewSpecCache:null,view:null,header:null,loadingLevel:0,constructor:Pa,initialize:function(){},initOptions:function(a){var b,e,f,g;a=d(a),b=a.lang,e=zb[b],e||(b=yb.defaults.lang,e=zb[b]||{}),f=ba(a.isRTL,e.isRTL,yb.defaults.isRTL),g=f?yb.rtlDefaults:{},this.dirDefaults=g,this.langDefaults=e,this.overrides=a,this.options=c([yb.defaults,g,e,a]),Qa(this.options),this.viewSpecCache={}},getViewSpec:function(a){var b=this.viewSpecCache;return b[a]||(b[a]=this.buildViewSpec(a))},getUnitViewSpec:function(b){var c,d,e;if(-1!=a.inArray(b,$a))for(c=this.header.getViewsWithButtons(),a.each(Va.views,function(a){c.push(a)}),d=0;d<c.length;d++)if(e=this.getViewSpec(c[d]),e&&e.singleUnit==b)return e},buildViewSpec:function(a){for(var d,e,f,g,h=this.overrides.views||{},i=[],j=[],k=[],l=a;l;)d=Wa[l],e=h[l],l=null,"function"==typeof d&&(d={"class":d}),d&&(i.unshift(d),j.unshift(d.defaults||{}),f=f||d.duration,l=l||d.type),e&&(k.unshift(e),f=f||e.duration,l=l||e.type);return d=W(i),d.type=a,d["class"]?(f&&(f=b.duration(f),f.valueOf()&&(d.duration=f,g=O(f),1===f.as(g)&&(d.singleUnit=g,k.unshift(h[g]||{})))),d.defaults=c(j),d.overrides=c(k),this.buildViewSpecOptions(d),this.buildViewSpecButtonText(d,a),d):!1},buildViewSpecOptions:function(a){a.options=c([yb.defaults,a.defaults,this.dirDefaults,this.langDefaults,this.overrides,a.overrides]),Qa(a.options)},buildViewSpecButtonText:function(a,b){function c(c){var d=c.buttonText||{};return d[b]||(a.singleUnit?d[a.singleUnit]:null)}a.buttonTextOverride=c(this.overrides)||a.overrides.buttonText,a.buttonTextDefault=c(this.langDefaults)||c(this.dirDefaults)||a.defaults.buttonText||c(yb.defaults)||(a.duration?this.humanizeDuration(a.duration):null)||b},instantiateView:function(a){var b=this.getViewSpec(a);return new b["class"](this,a,b.options,b.duration)},isValidViewType:function(a){return Boolean(this.getViewSpec(a))},pushLoading:function(){this.loadingLevel++||this.trigger("loading",null,!0,this.view)},popLoading:function(){--this.loadingLevel||this.trigger("loading",null,!1,this.view)},buildSelectSpan:function(a,b){var c,d=this.moment(a).stripZone();return c=b?this.moment(b).stripZone():d.hasTime()?d.clone().add(this.defaultTimedEventDuration):d.clone().add(this.defaultAllDayEventDuration),{start:d,end:c}}});yb.mixin(kb),yb.defaults={titleRangeSeparator:" — ",monthYearFormat:"MMMM YYYY",defaultTimedEventDuration:"02:00:00",defaultAllDayEventDuration:{days:1},forceEventDuration:!1,nextDayThreshold:"09:00:00",defaultView:"month",aspectRatio:1.35,header:{left:"title",center:"",right:"today prev,next"},weekends:!0,weekNumbers:!1,weekNumberTitle:"W",weekNumberCalculation:"local",scrollTime:"06:00:00",lazyFetching:!0,startParam:"start",endParam:"end",timezoneParam:"timezone",timezone:!1,isRTL:!1,buttonText:{prev:"prev",next:"next",prevYear:"prev year",nextYear:"next year",year:"year",today:"today",month:"month",week:"week",day:"day"},buttonIcons:{prev:"left-single-arrow",next:"right-single-arrow",prevYear:"left-double-arrow",nextYear:"right-double-arrow"},theme:!1,themeButtonIcons:{prev:"circle-triangle-w",next:"circle-triangle-e",prevYear:"seek-prev",nextYear:"seek-next"},dragOpacity:.75,dragRevertDuration:500,dragScroll:!0,unselectAuto:!0,dropAccept:"*",eventOrder:"title",eventLimit:!1,eventLimitText:"more",eventLimitClick:"popover",dayPopoverFormat:"LL",handleWindowResize:!0,windowResizeDelay:200,longPressDelay:1e3},yb.englishDefaults={dayPopoverFormat:"dddd, MMMM D"},yb.rtlDefaults={header:{left:"next,prev today",center:"",right:"title"},buttonIcons:{prev:"right-single-arrow",next:"left-single-arrow",prevYear:"right-double-arrow",nextYear:"left-double-arrow"},themeButtonIcons:{prev:"circle-triangle-e",next:"circle-triangle-w",nextYear:"seek-prev",prevYear:"seek-next"}};var zb=Va.langs={};Va.datepickerLang=function(b,c,d){var e=zb[b]||(zb[b]={});e.isRTL=d.isRTL,e.weekNumberTitle=d.weekHeader,a.each(Ab,function(a,b){e[a]=b(d)}),a.datepicker&&(a.datepicker.regional[c]=a.datepicker.regional[b]=d,a.datepicker.regional.en=a.datepicker.regional[""],a.datepicker.setDefaults(d))},Va.lang=function(b,d){var e,f;e=zb[b]||(zb[b]={}),d&&(e=zb[b]=c([e,d])),f=Ra(b),a.each(Bb,function(a,b){null==e[a]&&(e[a]=b(f,e))}),yb.defaults.lang=b};var Ab={buttonText:function(a){return{prev:da(a.prevText),next:da(a.nextText),today:da(a.currentText)}},monthYearFormat:function(a){return a.showMonthAfterYear?"YYYY["+a.yearSuffix+"] MMMM":"MMMM YYYY["+a.yearSuffix+"]"}},Bb={dayOfMonthFormat:function(a,b){var c=a.longDateFormat("l");return c=c.replace(/^Y+[^\w\s]*|[^\w\s]*Y+$/g,""),b.isRTL?c+=" ddd":c="ddd "+c,c},mediumTimeFormat:function(a){return a.longDateFormat("LT").replace(/\s*a$/i,"a")},smallTimeFormat:function(a){return a.longDateFormat("LT").replace(":mm","(:mm)").replace(/(\Wmm)$/,"($1)").replace(/\s*a$/i,"a")},extraSmallTimeFormat:function(a){return a.longDateFormat("LT").replace(":mm","(:mm)").replace(/(\Wmm)$/,"($1)").replace(/\s*a$/i,"t")},hourFormat:function(a){return a.longDateFormat("LT").replace(":mm","").replace(/(\Wmm)$/,"").replace(/\s*a$/i,"a")},noMeridiemTimeFormat:function(a){return a.longDateFormat("LT").replace(/\s*a$/i,"")}},Cb={smallDayDateFormat:function(a){return a.isRTL?"D dd":"dd D"},weekFormat:function(a){return a.isRTL?"w[ "+a.weekNumberTitle+"]":"["+a.weekNumberTitle+" ]w"},smallWeekFormat:function(a){return a.isRTL?"w["+a.weekNumberTitle+"]":"["+a.weekNumberTitle+"]w"}};Va.lang("en",yb.englishDefaults),Va.sourceNormalizers=[],Va.sourceFetchers=[];var Db={dataType:"json",cache:!1},Eb=1;yb.prototype.normalizeEvent=function(a){},yb.prototype.getPeerEvents=function(a,b){var c,d,e=this.getEventCache(),f=[];for(c=0;c<e.length;c++)d=e[c],b&&b._id===d._id||f.push(d);return f};var Fb=Va.BasicView=wb.extend({scroller:null,dayGridClass:ub,dayGrid:null,dayNumbersVisible:!1,weekNumbersVisible:!1,weekNumberWidth:null,headContainerEl:null,headRowEl:null,initialize:function(){this.dayGrid=this.instantiateDayGrid(),this.scroller=new xb({overflowX:"hidden",overflowY:"auto"})},instantiateDayGrid:function(){var a=this.dayGridClass.extend(Gb);return new a(this)},setRange:function(a){wb.prototype.setRange.call(this,a),this.dayGrid.breakOnWeeks=/year|month|week/.test(this.intervalUnit),this.dayGrid.setRange(a)},computeRange:function(a){var b=wb.prototype.computeRange.call(this,a);return/year|month/.test(b.intervalUnit)&&(b.start.startOf("week"),b.start=this.skipHiddenDays(b.start),b.end.weekday()&&(b.end.add(1,"week").startOf("week"),b.end=this.skipHiddenDays(b.end,-1,!0))),b},renderDates:function(){this.dayNumbersVisible=this.dayGrid.rowCnt>1,this.weekNumbersVisible=this.opt("weekNumbers"),this.dayGrid.numbersVisible=this.dayNumbersVisible||this.weekNumbersVisible,this.el.addClass("fc-basic-view").html(this.renderSkeletonHtml()),this.renderHead(),this.scroller.render();var b=this.scroller.el.addClass("fc-day-grid-container"),c=a('<div class="fc-day-grid" />').appendTo(b);this.el.find(".fc-body > tr > td").append(b),this.dayGrid.setElement(c),this.dayGrid.renderDates(this.hasRigidRows())},renderHead:function(){this.headContainerEl=this.el.find(".fc-head-container").html(this.dayGrid.renderHeadHtml()),this.headRowEl=this.headContainerEl.find(".fc-row")},unrenderDates:function(){this.dayGrid.unrenderDates(),this.dayGrid.removeElement(),this.scroller.destroy()},renderBusinessHours:function(){this.dayGrid.renderBusinessHours()},renderSkeletonHtml:function(){return'<table><thead class="fc-head"><tr><td class="fc-head-container '+this.widgetHeaderClass+'"></td></tr></thead><tbody class="fc-body"><tr><td class="'+this.widgetContentClass+'"></td></tr></tbody></table>'},weekNumberStyleAttr:function(){return null!==this.weekNumberWidth?'style="width:'+this.weekNumberWidth+'px"':""},hasRigidRows:function(){var a=this.opt("eventLimit");return a&&"number"!=typeof a},updateWidth:function(){this.weekNumbersVisible&&(this.weekNumberWidth=k(this.el.find(".fc-week-number")))},setHeight:function(a,b){var c,d,g=this.opt("eventLimit");this.scroller.clear(),f(this.headRowEl),this.dayGrid.removeSegPopover(),g&&"number"==typeof g&&this.dayGrid.limitRows(g),c=this.computeScrollerHeight(a),this.setGridHeight(c,b),g&&"number"!=typeof g&&this.dayGrid.limitRows(g),b||(this.scroller.setHeight(c),d=this.scroller.getScrollbarWidths(),(d.left||d.right)&&(e(this.headRowEl,d),c=this.computeScrollerHeight(a),this.scroller.setHeight(c)),this.scroller.lockOverflow(d))},computeScrollerHeight:function(a){return a-l(this.el,this.scroller.el)},setGridHeight:function(a,b){b?j(this.dayGrid.rowEls):i(this.dayGrid.rowEls,a,!0)},queryScroll:function(){return this.scroller.getScrollTop()},setScroll:function(a){this.scroller.setScrollTop(a)},prepareHits:function(){this.dayGrid.prepareHits()},releaseHits:function(){this.dayGrid.releaseHits()},queryHit:function(a,b){return this.dayGrid.queryHit(a,b)},getHitSpan:function(a){return this.dayGrid.getHitSpan(a)},getHitEl:function(a){return this.dayGrid.getHitEl(a)},renderEvents:function(a){this.dayGrid.renderEvents(a),this.updateHeight()},getEventSegs:function(){return this.dayGrid.getEventSegs()},unrenderEvents:function(){this.dayGrid.unrenderEvents()},renderDrag:function(a,b){return this.dayGrid.renderDrag(a,b)},unrenderDrag:function(){this.dayGrid.unrenderDrag()},renderSelection:function(a){this.dayGrid.renderSelection(a)},unrenderSelection:function(){this.dayGrid.unrenderSelection()}}),Gb={renderHeadIntroHtml:function(){var a=this.view;return a.weekNumbersVisible?'<th class="fc-week-number '+a.widgetHeaderClass+'" '+a.weekNumberStyleAttr()+"><span>"+ca(a.opt("weekNumberTitle"))+"</span></th>":""},renderNumberIntroHtml:function(a){var b=this.view;return b.weekNumbersVisible?'<td class="fc-week-number" '+b.weekNumberStyleAttr()+"><span>"+this.getCellDate(a,0).format("w")+"</span></td>":""},renderBgIntroHtml:function(){var a=this.view;return a.weekNumbersVisible?'<td class="fc-week-number '+a.widgetContentClass+'" '+a.weekNumberStyleAttr()+"></td>":""},renderIntroHtml:function(){var a=this.view;return a.weekNumbersVisible?'<td class="fc-week-number" '+a.weekNumberStyleAttr()+"></td>":""}},Hb=Va.MonthView=Fb.extend({computeRange:function(a){var b,c=Fb.prototype.computeRange.call(this,a);return this.isFixedWeeks()&&(b=Math.ceil(c.end.diff(c.start,"weeks",!0)),c.end.add(6-b,"weeks")),c},setGridHeight:function(a,b){b=b||"variable"===this.opt("weekMode"),b&&(a*=this.rowCnt/6),i(this.dayGrid.rowEls,a,!b)},isFixedWeeks:function(){var a=this.opt("weekMode");return a?"fixed"===a:this.opt("fixedWeekCount")}});Wa.basic={"class":Fb},Wa.basicDay={type:"basic",duration:{days:1}},Wa.basicWeek={type:"basic",duration:{weeks:1}},Wa.month={"class":Hb,duration:{months:1},defaults:{fixedWeekCount:!0}};var Ib=Va.AgendaView=wb.extend({scroller:null,timeGridClass:vb,timeGrid:null,dayGridClass:ub,dayGrid:null,axisWidth:null,headContainerEl:null,noScrollRowEls:null,bottomRuleEl:null,initialize:function(){this.timeGrid=this.instantiateTimeGrid(),this.opt("allDaySlot")&&(this.dayGrid=this.instantiateDayGrid()),this.scroller=new xb({overflowX:"hidden",overflowY:"auto"})},instantiateTimeGrid:function(){var a=this.timeGridClass.extend(Jb);return new a(this)},instantiateDayGrid:function(){var a=this.dayGridClass.extend(Kb);return new a(this)},setRange:function(a){wb.prototype.setRange.call(this,a),this.timeGrid.setRange(a),this.dayGrid&&this.dayGrid.setRange(a)},renderDates:function(){this.el.addClass("fc-agenda-view").html(this.renderSkeletonHtml()),this.renderHead(),this.scroller.render();var b=this.scroller.el.addClass("fc-time-grid-container"),c=a('<div class="fc-time-grid" />').appendTo(b);this.el.find(".fc-body > tr > td").append(b),this.timeGrid.setElement(c),this.timeGrid.renderDates(),this.bottomRuleEl=a('<hr class="fc-divider '+this.widgetHeaderClass+'"/>').appendTo(this.timeGrid.el),this.dayGrid&&(this.dayGrid.setElement(this.el.find(".fc-day-grid")),this.dayGrid.renderDates(),this.dayGrid.bottomCoordPadding=this.dayGrid.el.next("hr").outerHeight()),this.noScrollRowEls=this.el.find(".fc-row:not(.fc-scroller *)")},renderHead:function(){this.headContainerEl=this.el.find(".fc-head-container").html(this.timeGrid.renderHeadHtml())},unrenderDates:function(){this.timeGrid.unrenderDates(),this.timeGrid.removeElement(),this.dayGrid&&(this.dayGrid.unrenderDates(),this.dayGrid.removeElement()),this.scroller.destroy()},renderSkeletonHtml:function(){return'<table><thead class="fc-head"><tr><td class="fc-head-container '+this.widgetHeaderClass+'"></td></tr></thead><tbody class="fc-body"><tr><td class="'+this.widgetContentClass+'">'+(this.dayGrid?'<div class="fc-day-grid"/><hr class="fc-divider 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diff --git a/NEMO/static/moment.js b/NEMO/static/moment.js
index 34b72528..52db0384 100644
--- a/NEMO/static/moment.js
+++ b/NEMO/static/moment.js
@@ -1,63 +1,89 @@
 //! moment.js
-//! version : 2.10.2
+//! version : 2.29.3
 //! authors : Tim Wood, Iskren Chernev, Moment.js contributors
 //! license : MIT
 //! momentjs.com
 
-(function (global, factory) {
+;(function (global, factory) {
     typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
     typeof define === 'function' && define.amd ? define(factory) :
     global.moment = factory()
-}(this, function () { 'use strict';
+}(this, (function () { 'use strict';
 
     var hookCallback;
 
-    function utils_hooks__hooks () {
+    function hooks() {
         return hookCallback.apply(null, arguments);
     }
 
     // This is done to register the method called with moment()
     // without creating circular dependencies.
-    function setHookCallback (callback) {
+    function setHookCallback(callback) {
         hookCallback = callback;
     }
 
-    function defaultParsingFlags() {
-        // We need to deep clone this object.
-        return {
-            empty           : false,
-            unusedTokens    : [],
-            unusedInput     : [],
-            overflow        : -2,
-            charsLeftOver   : 0,
-            nullInput       : false,
-            invalidMonth    : null,
-            invalidFormat   : false,
-            userInvalidated : false,
-            iso             : false
-        };
+    function isArray(input) {
+        return (
+            input instanceof Array ||
+            Object.prototype.toString.call(input) === '[object Array]'
+        );
     }
 
-    function isArray(input) {
-        return Object.prototype.toString.call(input) === '[object Array]';
+    function isObject(input) {
+        // IE8 will treat undefined and null as object if it wasn't for
+        // input != null
+        return (
+            input != null &&
+            Object.prototype.toString.call(input) === '[object Object]'
+        );
+    }
+
+    function hasOwnProp(a, b) {
+        return Object.prototype.hasOwnProperty.call(a, b);
+    }
+
+    function isObjectEmpty(obj) {
+        if (Object.getOwnPropertyNames) {
+            return Object.getOwnPropertyNames(obj).length === 0;
+        } else {
+            var k;
+            for (k in obj) {
+                if (hasOwnProp(obj, k)) {
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+
+    function isUndefined(input) {
+        return input === void 0;
+    }
+
+    function isNumber(input) {
+        return (
+            typeof input === 'number' ||
+            Object.prototype.toString.call(input) === '[object Number]'
+        );
     }
 
     function isDate(input) {
-        return Object.prototype.toString.call(input) === '[object Date]' || input instanceof Date;
+        return (
+            input instanceof Date ||
+            Object.prototype.toString.call(input) === '[object Date]'
+        );
     }
 
     function map(arr, fn) {
-        var res = [], i;
-        for (i = 0; i < arr.length; ++i) {
+        var res = [],
+            i,
+            arrLen = arr.length;
+        for (i = 0; i < arrLen; ++i) {
             res.push(fn(arr[i], i));
         }
         return res;
     }
 
-    function hasOwnProp(a, b) {
-        return Object.prototype.hasOwnProperty.call(a, b);
-    }
-
     function extend(a, b) {
         for (var i in b) {
             if (hasOwnProp(b, i)) {
@@ -76,83 +102,152 @@
         return a;
     }
 
-    function create_utc__createUTC (input, format, locale, strict) {
+    function createUTC(input, format, locale, strict) {
         return createLocalOrUTC(input, format, locale, strict, true).utc();
     }
 
-    function valid__isValid(m) {
+    function defaultParsingFlags() {
+        // We need to deep clone this object.
+        return {
+            empty: false,
+            unusedTokens: [],
+            unusedInput: [],
+            overflow: -2,
+            charsLeftOver: 0,
+            nullInput: false,
+            invalidEra: null,
+            invalidMonth: null,
+            invalidFormat: false,
+            userInvalidated: false,
+            iso: false,
+            parsedDateParts: [],
+            era: null,
+            meridiem: null,
+            rfc2822: false,
+            weekdayMismatch: false,
+        };
+    }
+
+    function getParsingFlags(m) {
+        if (m._pf == null) {
+            m._pf = defaultParsingFlags();
+        }
+        return m._pf;
+    }
+
+    var some;
+    if (Array.prototype.some) {
+        some = Array.prototype.some;
+    } else {
+        some = function (fun) {
+            var t = Object(this),
+                len = t.length >>> 0,
+                i;
+
+            for (i = 0; i < len; i++) {
+                if (i in t && fun.call(this, t[i], i, t)) {
+                    return true;
+                }
+            }
+
+            return false;
+        };
+    }
+
+    function isValid(m) {
         if (m._isValid == null) {
-            m._isValid = !isNaN(m._d.getTime()) &&
-                m._pf.overflow < 0 &&
-                !m._pf.empty &&
-                !m._pf.invalidMonth &&
-                !m._pf.nullInput &&
-                !m._pf.invalidFormat &&
-                !m._pf.userInvalidated;
+            var flags = getParsingFlags(m),
+                parsedParts = some.call(flags.parsedDateParts, function (i) {
+                    return i != null;
+                }),
+                isNowValid =
+                    !isNaN(m._d.getTime()) &&
+                    flags.overflow < 0 &&
+                    !flags.empty &&
+                    !flags.invalidEra &&
+                    !flags.invalidMonth &&
+                    !flags.invalidWeekday &&
+                    !flags.weekdayMismatch &&
+                    !flags.nullInput &&
+                    !flags.invalidFormat &&
+                    !flags.userInvalidated &&
+                    (!flags.meridiem || (flags.meridiem && parsedParts));
 
             if (m._strict) {
-                m._isValid = m._isValid &&
-                    m._pf.charsLeftOver === 0 &&
-                    m._pf.unusedTokens.length === 0 &&
-                    m._pf.bigHour === undefined;
+                isNowValid =
+                    isNowValid &&
+                    flags.charsLeftOver === 0 &&
+                    flags.unusedTokens.length === 0 &&
+                    flags.bigHour === undefined;
+            }
+
+            if (Object.isFrozen == null || !Object.isFrozen(m)) {
+                m._isValid = isNowValid;
+            } else {
+                return isNowValid;
             }
         }
         return m._isValid;
     }
 
-    function valid__createInvalid (flags) {
-        var m = create_utc__createUTC(NaN);
+    function createInvalid(flags) {
+        var m = createUTC(NaN);
         if (flags != null) {
-            extend(m._pf, flags);
-        }
-        else {
-            m._pf.userInvalidated = true;
+            extend(getParsingFlags(m), flags);
+        } else {
+            getParsingFlags(m).userInvalidated = true;
         }
 
         return m;
     }
 
-    var momentProperties = utils_hooks__hooks.momentProperties = [];
+    // Plugins that add properties should also add the key here (null value),
+    // so we can properly clone ourselves.
+    var momentProperties = (hooks.momentProperties = []),
+        updateInProgress = false;
 
     function copyConfig(to, from) {
-        var i, prop, val;
+        var i,
+            prop,
+            val,
+            momentPropertiesLen = momentProperties.length;
 
-        if (typeof from._isAMomentObject !== 'undefined') {
+        if (!isUndefined(from._isAMomentObject)) {
             to._isAMomentObject = from._isAMomentObject;
         }
-        if (typeof from._i !== 'undefined') {
+        if (!isUndefined(from._i)) {
             to._i = from._i;
         }
-        if (typeof from._f !== 'undefined') {
+        if (!isUndefined(from._f)) {
             to._f = from._f;
         }
-        if (typeof from._l !== 'undefined') {
+        if (!isUndefined(from._l)) {
             to._l = from._l;
         }
-        if (typeof from._strict !== 'undefined') {
+        if (!isUndefined(from._strict)) {
             to._strict = from._strict;
         }
-        if (typeof from._tzm !== 'undefined') {
+        if (!isUndefined(from._tzm)) {
             to._tzm = from._tzm;
         }
-        if (typeof from._isUTC !== 'undefined') {
+        if (!isUndefined(from._isUTC)) {
             to._isUTC = from._isUTC;
         }
-        if (typeof from._offset !== 'undefined') {
+        if (!isUndefined(from._offset)) {
             to._offset = from._offset;
         }
-        if (typeof from._pf !== 'undefined') {
-            to._pf = from._pf;
+        if (!isUndefined(from._pf)) {
+            to._pf = getParsingFlags(from);
         }
-        if (typeof from._locale !== 'undefined') {
+        if (!isUndefined(from._locale)) {
             to._locale = from._locale;
         }
 
-        if (momentProperties.length > 0) {
-            for (i in momentProperties) {
+        if (momentPropertiesLen > 0) {
+            for (i = 0; i < momentPropertiesLen; i++) {
                 prop = momentProperties[i];
                 val = from[prop];
-                if (typeof val !== 'undefined') {
+                if (!isUndefined(val)) {
                     to[prop] = val;
                 }
             }
@@ -161,260 +256,212 @@
         return to;
     }
 
-    var updateInProgress = false;
-
     // Moment prototype object
     function Moment(config) {
         copyConfig(this, config);
-        this._d = new Date(+config._d);
+        this._d = new Date(config._d != null ? config._d.getTime() : NaN);
+        if (!this.isValid()) {
+            this._d = new Date(NaN);
+        }
         // Prevent infinite loop in case updateOffset creates new moment
         // objects.
         if (updateInProgress === false) {
             updateInProgress = true;
-            utils_hooks__hooks.updateOffset(this);
+            hooks.updateOffset(this);
             updateInProgress = false;
         }
     }
 
-    function isMoment (obj) {
-        return obj instanceof Moment || (obj != null && hasOwnProp(obj, '_isAMomentObject'));
-    }
-
-    function toInt(argumentForCoercion) {
-        var coercedNumber = +argumentForCoercion,
-            value = 0;
-
-        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
-            if (coercedNumber >= 0) {
-                value = Math.floor(coercedNumber);
-            } else {
-                value = Math.ceil(coercedNumber);
-            }
-        }
-
-        return value;
+    function isMoment(obj) {
+        return (
+            obj instanceof Moment || (obj != null && obj._isAMomentObject != null)
+        );
     }
 
-    function compareArrays(array1, array2, dontConvert) {
-        var len = Math.min(array1.length, array2.length),
-            lengthDiff = Math.abs(array1.length - array2.length),
-            diffs = 0,
-            i;
-        for (i = 0; i < len; i++) {
-            if ((dontConvert && array1[i] !== array2[i]) ||
-                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
-                diffs++;
-            }
+    function warn(msg) {
+        if (
+            hooks.suppressDeprecationWarnings === false &&
+            typeof console !== 'undefined' &&
+            console.warn
+        ) {
+            console.warn('Deprecation warning: ' + msg);
         }
-        return diffs + lengthDiff;
-    }
-
-    function Locale() {
-    }
-
-    var locales = {};
-    var globalLocale;
-
-    function normalizeLocale(key) {
-        return key ? key.toLowerCase().replace('_', '-') : key;
     }
 
-    // pick the locale from the array
-    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
-    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
-    function chooseLocale(names) {
-        var i = 0, j, next, locale, split;
+    function deprecate(msg, fn) {
+        var firstTime = true;
 
-        while (i < names.length) {
-            split = normalizeLocale(names[i]).split('-');
-            j = split.length;
-            next = normalizeLocale(names[i + 1]);
-            next = next ? next.split('-') : null;
-            while (j > 0) {
-                locale = loadLocale(split.slice(0, j).join('-'));
-                if (locale) {
-                    return locale;
-                }
-                if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
-                    //the next array item is better than a shallower substring of this one
-                    break;
+        return extend(function () {
+            if (hooks.deprecationHandler != null) {
+                hooks.deprecationHandler(null, msg);
+            }
+            if (firstTime) {
+                var args = [],
+                    arg,
+                    i,
+                    key,
+                    argLen = arguments.length;
+                for (i = 0; i < argLen; i++) {
+                    arg = '';
+                    if (typeof arguments[i] === 'object') {
+                        arg += '\n[' + i + '] ';
+                        for (key in arguments[0]) {
+                            if (hasOwnProp(arguments[0], key)) {
+                                arg += key + ': ' + arguments[0][key] + ', ';
+                            }
+                        }
+                        arg = arg.slice(0, -2); // Remove trailing comma and space
+                    } else {
+                        arg = arguments[i];
+                    }
+                    args.push(arg);
                 }
-                j--;
+                warn(
+                    msg +
+                        '\nArguments: ' +
+                        Array.prototype.slice.call(args).join('') +
+                        '\n' +
+                        new Error().stack
+                );
+                firstTime = false;
             }
-            i++;
-        }
-        return null;
+            return fn.apply(this, arguments);
+        }, fn);
     }
 
-    function loadLocale(name) {
-        var oldLocale = null;
-        // TODO: Find a better way to register and load all the locales in Node
-        if (!locales[name] && typeof module !== 'undefined' &&
-                module && module.exports) {
-            try {
-                oldLocale = globalLocale._abbr;
-                require('./locale/' + name);
-                // because defineLocale currently also sets the global locale, we
-                // want to undo that for lazy loaded locales
-                locale_locales__getSetGlobalLocale(oldLocale);
-            } catch (e) { }
+    var deprecations = {};
+
+    function deprecateSimple(name, msg) {
+        if (hooks.deprecationHandler != null) {
+            hooks.deprecationHandler(name, msg);
+        }
+        if (!deprecations[name]) {
+            warn(msg);
+            deprecations[name] = true;
         }
-        return locales[name];
     }
 
-    // This function will load locale and then set the global locale.  If
-    // no arguments are passed in, it will simply return the current global
-    // locale key.
-    function locale_locales__getSetGlobalLocale (key, values) {
-        var data;
-        if (key) {
-            if (typeof values === 'undefined') {
-                data = locale_locales__getLocale(key);
-            }
-            else {
-                data = defineLocale(key, values);
-            }
-
-            if (data) {
-                // moment.duration._locale = moment._locale = data;
-                globalLocale = data;
-            }
-        }
+    hooks.suppressDeprecationWarnings = false;
+    hooks.deprecationHandler = null;
 
-        return globalLocale._abbr;
+    function isFunction(input) {
+        return (
+            (typeof Function !== 'undefined' && input instanceof Function) ||
+            Object.prototype.toString.call(input) === '[object Function]'
+        );
     }
 
-    function defineLocale (name, values) {
-        if (values !== null) {
-            values.abbr = name;
-            if (!locales[name]) {
-                locales[name] = new Locale();
+    function set(config) {
+        var prop, i;
+        for (i in config) {
+            if (hasOwnProp(config, i)) {
+                prop = config[i];
+                if (isFunction(prop)) {
+                    this[i] = prop;
+                } else {
+                    this['_' + i] = prop;
+                }
             }
-            locales[name].set(values);
-
-            // backwards compat for now: also set the locale
-            locale_locales__getSetGlobalLocale(name);
-
-            return locales[name];
-        } else {
-            // useful for testing
-            delete locales[name];
-            return null;
         }
+        this._config = config;
+        // Lenient ordinal parsing accepts just a number in addition to
+        // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
+        // TODO: Remove "ordinalParse" fallback in next major release.
+        this._dayOfMonthOrdinalParseLenient = new RegExp(
+            (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
+                '|' +
+                /\d{1,2}/.source
+        );
     }
 
-    // returns locale data
-    function locale_locales__getLocale (key) {
-        var locale;
-
-        if (key && key._locale && key._locale._abbr) {
-            key = key._locale._abbr;
-        }
-
-        if (!key) {
-            return globalLocale;
+    function mergeConfigs(parentConfig, childConfig) {
+        var res = extend({}, parentConfig),
+            prop;
+        for (prop in childConfig) {
+            if (hasOwnProp(childConfig, prop)) {
+                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
+                    res[prop] = {};
+                    extend(res[prop], parentConfig[prop]);
+                    extend(res[prop], childConfig[prop]);
+                } else if (childConfig[prop] != null) {
+                    res[prop] = childConfig[prop];
+                } else {
+                    delete res[prop];
+                }
+            }
         }
-
-        if (!isArray(key)) {
-            //short-circuit everything else
-            locale = loadLocale(key);
-            if (locale) {
-                return locale;
+        for (prop in parentConfig) {
+            if (
+                hasOwnProp(parentConfig, prop) &&
+                !hasOwnProp(childConfig, prop) &&
+                isObject(parentConfig[prop])
+            ) {
+                // make sure changes to properties don't modify parent config
+                res[prop] = extend({}, res[prop]);
             }
-            key = [key];
         }
-
-        return chooseLocale(key);
-    }
-
-    var aliases = {};
-
-    function addUnitAlias (unit, shorthand) {
-        var lowerCase = unit.toLowerCase();
-        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
+        return res;
     }
 
-    function normalizeUnits(units) {
-        return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;
+    function Locale(config) {
+        if (config != null) {
+            this.set(config);
+        }
     }
 
-    function normalizeObjectUnits(inputObject) {
-        var normalizedInput = {},
-            normalizedProp,
-            prop;
+    var keys;
 
-        for (prop in inputObject) {
-            if (hasOwnProp(inputObject, prop)) {
-                normalizedProp = normalizeUnits(prop);
-                if (normalizedProp) {
-                    normalizedInput[normalizedProp] = inputObject[prop];
+    if (Object.keys) {
+        keys = Object.keys;
+    } else {
+        keys = function (obj) {
+            var i,
+                res = [];
+            for (i in obj) {
+                if (hasOwnProp(obj, i)) {
+                    res.push(i);
                 }
             }
-        }
-
-        return normalizedInput;
-    }
-
-    function makeGetSet (unit, keepTime) {
-        return function (value) {
-            if (value != null) {
-                get_set__set(this, unit, value);
-                utils_hooks__hooks.updateOffset(this, keepTime);
-                return this;
-            } else {
-                return get_set__get(this, unit);
-            }
+            return res;
         };
     }
 
-    function get_set__get (mom, unit) {
-        return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]();
-    }
-
-    function get_set__set (mom, unit, value) {
-        return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
-    }
-
-    // MOMENTS
+    var defaultCalendar = {
+        sameDay: '[Today at] LT',
+        nextDay: '[Tomorrow at] LT',
+        nextWeek: 'dddd [at] LT',
+        lastDay: '[Yesterday at] LT',
+        lastWeek: '[Last] dddd [at] LT',
+        sameElse: 'L',
+    };
 
-    function getSet (units, value) {
-        var unit;
-        if (typeof units === 'object') {
-            for (unit in units) {
-                this.set(unit, units[unit]);
-            }
-        } else {
-            units = normalizeUnits(units);
-            if (typeof this[units] === 'function') {
-                return this[units](value);
-            }
-        }
-        return this;
+    function calendar(key, mom, now) {
+        var output = this._calendar[key] || this._calendar['sameElse'];
+        return isFunction(output) ? output.call(mom, now) : output;
     }
 
     function zeroFill(number, targetLength, forceSign) {
-        var output = '' + Math.abs(number),
+        var absNumber = '' + Math.abs(number),
+            zerosToFill = targetLength - absNumber.length,
             sign = number >= 0;
-
-        while (output.length < targetLength) {
-            output = '0' + output;
-        }
-        return (sign ? (forceSign ? '+' : '') : '-') + output;
+        return (
+            (sign ? (forceSign ? '+' : '') : '-') +
+            Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) +
+            absNumber
+        );
     }
 
-    var formattingTokens = /(\[[^\[]*\])|(\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Q|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|x|X|zz?|ZZ?|.)/g;
-
-    var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;
-
-    var formatFunctions = {};
-
-    var formatTokenFunctions = {};
+    var formattingTokens =
+            /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|N{1,5}|YYYYYY|YYYYY|YYYY|YY|y{2,4}|yo?|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g,
+        localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g,
+        formatFunctions = {},
+        formatTokenFunctions = {};
 
     // token:    'M'
     // padded:   ['MM', 2]
     // ordinal:  'Mo'
     // callback: function () { this.month() + 1 }
-    function addFormatToken (token, padded, ordinal, callback) {
+    function addFormatToken(token, padded, ordinal, callback) {
         var func = callback;
         if (typeof callback === 'string') {
             func = function () {
@@ -431,7 +478,10 @@
         }
         if (ordinal) {
             formatTokenFunctions[ordinal] = function () {
-                return this.localeData().ordinal(func.apply(this, arguments), token);
+                return this.localeData().ordinal(
+                    func.apply(this, arguments),
+                    token
+                );
             };
         }
     }
@@ -444,7 +494,9 @@
     }
 
     function makeFormatFunction(format) {
-        var array = format.match(formattingTokens), i, length;
+        var array = format.match(formattingTokens),
+            i,
+            length;
 
         for (i = 0, length = array.length; i < length; i++) {
             if (formatTokenFunctions[array[i]]) {
@@ -455,9 +507,12 @@
         }
 
         return function (mom) {
-            var output = '';
+            var output = '',
+                i;
             for (i = 0; i < length; i++) {
-                output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
+                output += isFunction(array[i])
+                    ? array[i].call(mom, format)
+                    : array[i];
             }
             return output;
         };
@@ -470,10 +525,8 @@
         }
 
         format = expandFormat(format, m.localeData());
-
-        if (!formatFunctions[format]) {
-            formatFunctions[format] = makeFormatFunction(format);
-        }
+        formatFunctions[format] =
+            formatFunctions[format] || makeFormatFunction(format);
 
         return formatFunctions[format](m);
     }
@@ -487,7 +540,10 @@
 
         localFormattingTokens.lastIndex = 0;
         while (i >= 0 && localFormattingTokens.test(format)) {
-            format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
+            format = format.replace(
+                localFormattingTokens,
+                replaceLongDateFormatTokens
+            );
             localFormattingTokens.lastIndex = 0;
             i -= 1;
         }
@@ -495,67 +551,304 @@
         return format;
     }
 
-    var match1         = /\d/;            //       0 - 9
-    var match2         = /\d\d/;          //      00 - 99
-    var match3         = /\d{3}/;         //     000 - 999
-    var match4         = /\d{4}/;         //    0000 - 9999
-    var match6         = /[+-]?\d{6}/;    // -999999 - 999999
-    var match1to2      = /\d\d?/;         //       0 - 99
-    var match1to3      = /\d{1,3}/;       //       0 - 999
-    var match1to4      = /\d{1,4}/;       //       0 - 9999
-    var match1to6      = /[+-]?\d{1,6}/;  // -999999 - 999999
+    var defaultLongDateFormat = {
+        LTS: 'h:mm:ss A',
+        LT: 'h:mm A',
+        L: 'MM/DD/YYYY',
+        LL: 'MMMM D, YYYY',
+        LLL: 'MMMM D, YYYY h:mm A',
+        LLLL: 'dddd, MMMM D, YYYY h:mm A',
+    };
 
-    var matchUnsigned  = /\d+/;           //       0 - inf
-    var matchSigned    = /[+-]?\d+/;      //    -inf - inf
+    function longDateFormat(key) {
+        var format = this._longDateFormat[key],
+            formatUpper = this._longDateFormat[key.toUpperCase()];
 
-    var matchOffset    = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
+        if (format || !formatUpper) {
+            return format;
+        }
 
-    var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123
+        this._longDateFormat[key] = formatUpper
+            .match(formattingTokens)
+            .map(function (tok) {
+                if (
+                    tok === 'MMMM' ||
+                    tok === 'MM' ||
+                    tok === 'DD' ||
+                    tok === 'dddd'
+                ) {
+                    return tok.slice(1);
+                }
+                return tok;
+            })
+            .join('');
 
-    // any word (or two) characters or numbers including two/three word month in arabic.
-    var matchWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;
+        return this._longDateFormat[key];
+    }
 
-    var regexes = {};
+    var defaultInvalidDate = 'Invalid date';
 
-    function addRegexToken (token, regex, strictRegex) {
-        regexes[token] = typeof regex === 'function' ? regex : function (isStrict) {
-            return (isStrict && strictRegex) ? strictRegex : regex;
-        };
+    function invalidDate() {
+        return this._invalidDate;
     }
 
-    function getParseRegexForToken (token, config) {
-        if (!hasOwnProp(regexes, token)) {
-            return new RegExp(unescapeFormat(token));
-        }
+    var defaultOrdinal = '%d',
+        defaultDayOfMonthOrdinalParse = /\d{1,2}/;
 
-        return regexes[token](config._strict, config._locale);
+    function ordinal(number) {
+        return this._ordinal.replace('%d', number);
     }
 
-    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
-    function unescapeFormat(s) {
-        return s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
-            return p1 || p2 || p3 || p4;
-        }).replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+    var defaultRelativeTime = {
+        future: 'in %s',
+        past: '%s ago',
+        s: 'a few seconds',
+        ss: '%d seconds',
+        m: 'a minute',
+        mm: '%d minutes',
+        h: 'an hour',
+        hh: '%d hours',
+        d: 'a day',
+        dd: '%d days',
+        w: 'a week',
+        ww: '%d weeks',
+        M: 'a month',
+        MM: '%d months',
+        y: 'a year',
+        yy: '%d years',
+    };
+
+    function relativeTime(number, withoutSuffix, string, isFuture) {
+        var output = this._relativeTime[string];
+        return isFunction(output)
+            ? output(number, withoutSuffix, string, isFuture)
+            : output.replace(/%d/i, number);
     }
 
-    var tokens = {};
+    function pastFuture(diff, output) {
+        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
+        return isFunction(format) ? format(output) : format.replace(/%s/i, output);
+    }
 
-    function addParseToken (token, callback) {
-        var i, func = callback;
+    var aliases = {};
+
+    function addUnitAlias(unit, shorthand) {
+        var lowerCase = unit.toLowerCase();
+        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
+    }
+
+    function normalizeUnits(units) {
+        return typeof units === 'string'
+            ? aliases[units] || aliases[units.toLowerCase()]
+            : undefined;
+    }
+
+    function normalizeObjectUnits(inputObject) {
+        var normalizedInput = {},
+            normalizedProp,
+            prop;
+
+        for (prop in inputObject) {
+            if (hasOwnProp(inputObject, prop)) {
+                normalizedProp = normalizeUnits(prop);
+                if (normalizedProp) {
+                    normalizedInput[normalizedProp] = inputObject[prop];
+                }
+            }
+        }
+
+        return normalizedInput;
+    }
+
+    var priorities = {};
+
+    function addUnitPriority(unit, priority) {
+        priorities[unit] = priority;
+    }
+
+    function getPrioritizedUnits(unitsObj) {
+        var units = [],
+            u;
+        for (u in unitsObj) {
+            if (hasOwnProp(unitsObj, u)) {
+                units.push({ unit: u, priority: priorities[u] });
+            }
+        }
+        units.sort(function (a, b) {
+            return a.priority - b.priority;
+        });
+        return units;
+    }
+
+    function isLeapYear(year) {
+        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
+    }
+
+    function absFloor(number) {
+        if (number < 0) {
+            // -0 -> 0
+            return Math.ceil(number) || 0;
+        } else {
+            return Math.floor(number);
+        }
+    }
+
+    function toInt(argumentForCoercion) {
+        var coercedNumber = +argumentForCoercion,
+            value = 0;
+
+        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
+            value = absFloor(coercedNumber);
+        }
+
+        return value;
+    }
+
+    function makeGetSet(unit, keepTime) {
+        return function (value) {
+            if (value != null) {
+                set$1(this, unit, value);
+                hooks.updateOffset(this, keepTime);
+                return this;
+            } else {
+                return get(this, unit);
+            }
+        };
+    }
+
+    function get(mom, unit) {
+        return mom.isValid()
+            ? mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]()
+            : NaN;
+    }
+
+    function set$1(mom, unit, value) {
+        if (mom.isValid() && !isNaN(value)) {
+            if (
+                unit === 'FullYear' &&
+                isLeapYear(mom.year()) &&
+                mom.month() === 1 &&
+                mom.date() === 29
+            ) {
+                value = toInt(value);
+                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](
+                    value,
+                    mom.month(),
+                    daysInMonth(value, mom.month())
+                );
+            } else {
+                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
+            }
+        }
+    }
+
+    // MOMENTS
+
+    function stringGet(units) {
+        units = normalizeUnits(units);
+        if (isFunction(this[units])) {
+            return this[units]();
+        }
+        return this;
+    }
+
+    function stringSet(units, value) {
+        if (typeof units === 'object') {
+            units = normalizeObjectUnits(units);
+            var prioritized = getPrioritizedUnits(units),
+                i,
+                prioritizedLen = prioritized.length;
+            for (i = 0; i < prioritizedLen; i++) {
+                this[prioritized[i].unit](units[prioritized[i].unit]);
+            }
+        } else {
+            units = normalizeUnits(units);
+            if (isFunction(this[units])) {
+                return this[units](value);
+            }
+        }
+        return this;
+    }
+
+    var match1 = /\d/, //       0 - 9
+        match2 = /\d\d/, //      00 - 99
+        match3 = /\d{3}/, //     000 - 999
+        match4 = /\d{4}/, //    0000 - 9999
+        match6 = /[+-]?\d{6}/, // -999999 - 999999
+        match1to2 = /\d\d?/, //       0 - 99
+        match3to4 = /\d\d\d\d?/, //     999 - 9999
+        match5to6 = /\d\d\d\d\d\d?/, //   99999 - 999999
+        match1to3 = /\d{1,3}/, //       0 - 999
+        match1to4 = /\d{1,4}/, //       0 - 9999
+        match1to6 = /[+-]?\d{1,6}/, // -999999 - 999999
+        matchUnsigned = /\d+/, //       0 - inf
+        matchSigned = /[+-]?\d+/, //    -inf - inf
+        matchOffset = /Z|[+-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z
+        matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi, // +00 -00 +00:00 -00:00 +0000 -0000 or Z
+        matchTimestamp = /[+-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123
+        // any word (or two) characters or numbers including two/three word month in arabic.
+        // includes scottish gaelic two word and hyphenated months
+        matchWord =
+            /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i,
+        regexes;
+
+    regexes = {};
+
+    function addRegexToken(token, regex, strictRegex) {
+        regexes[token] = isFunction(regex)
+            ? regex
+            : function (isStrict, localeData) {
+                  return isStrict && strictRegex ? strictRegex : regex;
+              };
+    }
+
+    function getParseRegexForToken(token, config) {
+        if (!hasOwnProp(regexes, token)) {
+            return new RegExp(unescapeFormat(token));
+        }
+
+        return regexes[token](config._strict, config._locale);
+    }
+
+    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
+    function unescapeFormat(s) {
+        return regexEscape(
+            s
+                .replace('\\', '')
+                .replace(
+                    /\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g,
+                    function (matched, p1, p2, p3, p4) {
+                        return p1 || p2 || p3 || p4;
+                    }
+                )
+        );
+    }
+
+    function regexEscape(s) {
+        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+    }
+
+    var tokens = {};
+
+    function addParseToken(token, callback) {
+        var i,
+            func = callback,
+            tokenLen;
         if (typeof token === 'string') {
             token = [token];
         }
-        if (typeof callback === 'number') {
+        if (isNumber(callback)) {
             func = function (input, array) {
                 array[callback] = toInt(input);
             };
         }
-        for (i = 0; i < token.length; i++) {
+        tokenLen = token.length;
+        for (i = 0; i < tokenLen; i++) {
             tokens[token[i]] = func;
         }
     }
 
-    function addWeekParseToken (token, callback) {
+    function addWeekParseToken(token, callback) {
         addParseToken(token, function (input, array, config, token) {
             config._w = config._w || {};
             callback(input, config._w, config, token);
@@ -568,16 +861,48 @@
         }
     }
 
-    var YEAR = 0;
-    var MONTH = 1;
-    var DATE = 2;
-    var HOUR = 3;
-    var MINUTE = 4;
-    var SECOND = 5;
-    var MILLISECOND = 6;
+    var YEAR = 0,
+        MONTH = 1,
+        DATE = 2,
+        HOUR = 3,
+        MINUTE = 4,
+        SECOND = 5,
+        MILLISECOND = 6,
+        WEEK = 7,
+        WEEKDAY = 8;
+
+    function mod(n, x) {
+        return ((n % x) + x) % x;
+    }
+
+    var indexOf;
+
+    if (Array.prototype.indexOf) {
+        indexOf = Array.prototype.indexOf;
+    } else {
+        indexOf = function (o) {
+            // I know
+            var i;
+            for (i = 0; i < this.length; ++i) {
+                if (this[i] === o) {
+                    return i;
+                }
+            }
+            return -1;
+        };
+    }
 
     function daysInMonth(year, month) {
-        return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
+        if (isNaN(year) || isNaN(month)) {
+            return NaN;
+        }
+        var modMonth = mod(month, 12);
+        year += (month - modMonth) / 12;
+        return modMonth === 1
+            ? isLeapYear(year)
+                ? 29
+                : 28
+            : 31 - ((modMonth % 7) % 2);
     }
 
     // FORMATTING
@@ -598,12 +923,20 @@
 
     addUnitAlias('month', 'M');
 
+    // PRIORITY
+
+    addUnitPriority('month', 8);
+
     // PARSING
 
-    addRegexToken('M',    match1to2);
-    addRegexToken('MM',   match1to2, match2);
-    addRegexToken('MMM',  matchWord);
-    addRegexToken('MMMM', matchWord);
+    addRegexToken('M', match1to2);
+    addRegexToken('MM', match1to2, match2);
+    addRegexToken('MMM', function (isStrict, locale) {
+        return locale.monthsShortRegex(isStrict);
+    });
+    addRegexToken('MMMM', function (isStrict, locale) {
+        return locale.monthsRegex(isStrict);
+    });
 
     addParseToken(['M', 'MM'], function (input, array) {
         array[MONTH] = toInt(input) - 1;
@@ -615,46 +948,143 @@
         if (month != null) {
             array[MONTH] = month;
         } else {
-            config._pf.invalidMonth = input;
+            getParsingFlags(config).invalidMonth = input;
         }
     });
 
     // LOCALES
 
-    var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
-    function localeMonths (m) {
-        return this._months[m.month()];
-    }
+    var defaultLocaleMonths =
+            'January_February_March_April_May_June_July_August_September_October_November_December'.split(
+                '_'
+            ),
+        defaultLocaleMonthsShort =
+            'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
+        MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/,
+        defaultMonthsShortRegex = matchWord,
+        defaultMonthsRegex = matchWord;
+
+    function localeMonths(m, format) {
+        if (!m) {
+            return isArray(this._months)
+                ? this._months
+                : this._months['standalone'];
+        }
+        return isArray(this._months)
+            ? this._months[m.month()]
+            : this._months[
+                  (this._months.isFormat || MONTHS_IN_FORMAT).test(format)
+                      ? 'format'
+                      : 'standalone'
+              ][m.month()];
+    }
+
+    function localeMonthsShort(m, format) {
+        if (!m) {
+            return isArray(this._monthsShort)
+                ? this._monthsShort
+                : this._monthsShort['standalone'];
+        }
+        return isArray(this._monthsShort)
+            ? this._monthsShort[m.month()]
+            : this._monthsShort[
+                  MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'
+              ][m.month()];
+    }
+
+    function handleStrictParse(monthName, format, strict) {
+        var i,
+            ii,
+            mom,
+            llc = monthName.toLocaleLowerCase();
+        if (!this._monthsParse) {
+            // this is not used
+            this._monthsParse = [];
+            this._longMonthsParse = [];
+            this._shortMonthsParse = [];
+            for (i = 0; i < 12; ++i) {
+                mom = createUTC([2000, i]);
+                this._shortMonthsParse[i] = this.monthsShort(
+                    mom,
+                    ''
+                ).toLocaleLowerCase();
+                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
+            }
+        }
 
-    var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
-    function localeMonthsShort (m) {
-        return this._monthsShort[m.month()];
+        if (strict) {
+            if (format === 'MMM') {
+                ii = indexOf.call(this._shortMonthsParse, llc);
+                return ii !== -1 ? ii : null;
+            } else {
+                ii = indexOf.call(this._longMonthsParse, llc);
+                return ii !== -1 ? ii : null;
+            }
+        } else {
+            if (format === 'MMM') {
+                ii = indexOf.call(this._shortMonthsParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._longMonthsParse, llc);
+                return ii !== -1 ? ii : null;
+            } else {
+                ii = indexOf.call(this._longMonthsParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._shortMonthsParse, llc);
+                return ii !== -1 ? ii : null;
+            }
+        }
     }
 
-    function localeMonthsParse (monthName, format, strict) {
+    function localeMonthsParse(monthName, format, strict) {
         var i, mom, regex;
 
+        if (this._monthsParseExact) {
+            return handleStrictParse.call(this, monthName, format, strict);
+        }
+
         if (!this._monthsParse) {
             this._monthsParse = [];
             this._longMonthsParse = [];
             this._shortMonthsParse = [];
         }
 
+        // TODO: add sorting
+        // Sorting makes sure if one month (or abbr) is a prefix of another
+        // see sorting in computeMonthsParse
         for (i = 0; i < 12; i++) {
             // make the regex if we don't have it already
-            mom = create_utc__createUTC([2000, i]);
+            mom = createUTC([2000, i]);
             if (strict && !this._longMonthsParse[i]) {
-                this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
-                this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
+                this._longMonthsParse[i] = new RegExp(
+                    '^' + this.months(mom, '').replace('.', '') + '$',
+                    'i'
+                );
+                this._shortMonthsParse[i] = new RegExp(
+                    '^' + this.monthsShort(mom, '').replace('.', '') + '$',
+                    'i'
+                );
             }
             if (!strict && !this._monthsParse[i]) {
-                regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
+                regex =
+                    '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
                 this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
             }
             // test the regex
-            if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
+            if (
+                strict &&
+                format === 'MMMM' &&
+                this._longMonthsParse[i].test(monthName)
+            ) {
                 return i;
-            } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
+            } else if (
+                strict &&
+                format === 'MMM' &&
+                this._shortMonthsParse[i].test(monthName)
+            ) {
                 return i;
             } else if (!strict && this._monthsParse[i].test(monthName)) {
                 return i;
@@ -664,15 +1094,23 @@
 
     // MOMENTS
 
-    function setMonth (mom, value) {
+    function setMonth(mom, value) {
         var dayOfMonth;
 
-        // TODO: Move this out of here!
+        if (!mom.isValid()) {
+            // No op
+            return mom;
+        }
+
         if (typeof value === 'string') {
-            value = mom.localeData().monthsParse(value);
-            // TODO: Another silent failure?
-            if (typeof value !== 'number') {
-                return mom;
+            if (/^\d+$/.test(value)) {
+                value = toInt(value);
+            } else {
+                value = mom.localeData().monthsParse(value);
+                // TODO: Another silent failure?
+                if (!isNumber(value)) {
+                    return mom;
+                }
             }
         }
 
@@ -681,191 +1119,144 @@
         return mom;
     }
 
-    function getSetMonth (value) {
+    function getSetMonth(value) {
         if (value != null) {
             setMonth(this, value);
-            utils_hooks__hooks.updateOffset(this, true);
+            hooks.updateOffset(this, true);
             return this;
         } else {
-            return get_set__get(this, 'Month');
+            return get(this, 'Month');
         }
     }
 
-    function getDaysInMonth () {
+    function getDaysInMonth() {
         return daysInMonth(this.year(), this.month());
     }
 
-    function checkOverflow (m) {
-        var overflow;
-        var a = m._a;
-
-        if (a && m._pf.overflow === -2) {
-            overflow =
-                a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :
-                a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
-                a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
-                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :
-                a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :
-                a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
-                -1;
-
-            if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
-                overflow = DATE;
+    function monthsShortRegex(isStrict) {
+        if (this._monthsParseExact) {
+            if (!hasOwnProp(this, '_monthsRegex')) {
+                computeMonthsParse.call(this);
             }
-
-            m._pf.overflow = overflow;
-        }
-
-        return m;
-    }
-
-    function warn(msg) {
-        if (utils_hooks__hooks.suppressDeprecationWarnings === false && typeof console !== 'undefined' && console.warn) {
-            console.warn('Deprecation warning: ' + msg);
-        }
-    }
-
-    function deprecate(msg, fn) {
-        var firstTime = true;
-        return extend(function () {
-            if (firstTime) {
-                warn(msg);
-                firstTime = false;
+            if (isStrict) {
+                return this._monthsShortStrictRegex;
+            } else {
+                return this._monthsShortRegex;
             }
-            return fn.apply(this, arguments);
-        }, fn);
-    }
-
-    var deprecations = {};
-
-    function deprecateSimple(name, msg) {
-        if (!deprecations[name]) {
-            warn(msg);
-            deprecations[name] = true;
+        } else {
+            if (!hasOwnProp(this, '_monthsShortRegex')) {
+                this._monthsShortRegex = defaultMonthsShortRegex;
+            }
+            return this._monthsShortStrictRegex && isStrict
+                ? this._monthsShortStrictRegex
+                : this._monthsShortRegex;
         }
     }
 
-    utils_hooks__hooks.suppressDeprecationWarnings = false;
-
-    var from_string__isoRegex = /^\s*(?:[+-]\d{6}|\d{4})-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/;
-
-    var isoDates = [
-        ['YYYYYY-MM-DD', /[+-]\d{6}-\d{2}-\d{2}/],
-        ['YYYY-MM-DD', /\d{4}-\d{2}-\d{2}/],
-        ['GGGG-[W]WW-E', /\d{4}-W\d{2}-\d/],
-        ['GGGG-[W]WW', /\d{4}-W\d{2}/],
-        ['YYYY-DDD', /\d{4}-\d{3}/]
-    ];
-
-    // iso time formats and regexes
-    var isoTimes = [
-        ['HH:mm:ss.SSSS', /(T| )\d\d:\d\d:\d\d\.\d+/],
-        ['HH:mm:ss', /(T| )\d\d:\d\d:\d\d/],
-        ['HH:mm', /(T| )\d\d:\d\d/],
-        ['HH', /(T| )\d\d/]
-    ];
-
-    var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;
-
-    // date from iso format
-    function configFromISO(config) {
-        var i, l,
-            string = config._i,
-            match = from_string__isoRegex.exec(string);
-
-        if (match) {
-            config._pf.iso = true;
-            for (i = 0, l = isoDates.length; i < l; i++) {
-                if (isoDates[i][1].exec(string)) {
-                    // match[5] should be 'T' or undefined
-                    config._f = isoDates[i][0] + (match[6] || ' ');
-                    break;
-                }
+    function monthsRegex(isStrict) {
+        if (this._monthsParseExact) {
+            if (!hasOwnProp(this, '_monthsRegex')) {
+                computeMonthsParse.call(this);
             }
-            for (i = 0, l = isoTimes.length; i < l; i++) {
-                if (isoTimes[i][1].exec(string)) {
-                    config._f += isoTimes[i][0];
-                    break;
-                }
-            }
-            if (string.match(matchOffset)) {
-                config._f += 'Z';
+            if (isStrict) {
+                return this._monthsStrictRegex;
+            } else {
+                return this._monthsRegex;
             }
-            configFromStringAndFormat(config);
         } else {
-            config._isValid = false;
+            if (!hasOwnProp(this, '_monthsRegex')) {
+                this._monthsRegex = defaultMonthsRegex;
+            }
+            return this._monthsStrictRegex && isStrict
+                ? this._monthsStrictRegex
+                : this._monthsRegex;
         }
     }
 
-    // date from iso format or fallback
-    function configFromString(config) {
-        var matched = aspNetJsonRegex.exec(config._i);
-
-        if (matched !== null) {
-            config._d = new Date(+matched[1]);
-            return;
+    function computeMonthsParse() {
+        function cmpLenRev(a, b) {
+            return b.length - a.length;
         }
 
-        configFromISO(config);
-        if (config._isValid === false) {
-            delete config._isValid;
-            utils_hooks__hooks.createFromInputFallback(config);
+        var shortPieces = [],
+            longPieces = [],
+            mixedPieces = [],
+            i,
+            mom;
+        for (i = 0; i < 12; i++) {
+            // make the regex if we don't have it already
+            mom = createUTC([2000, i]);
+            shortPieces.push(this.monthsShort(mom, ''));
+            longPieces.push(this.months(mom, ''));
+            mixedPieces.push(this.months(mom, ''));
+            mixedPieces.push(this.monthsShort(mom, ''));
+        }
+        // Sorting makes sure if one month (or abbr) is a prefix of another it
+        // will match the longer piece.
+        shortPieces.sort(cmpLenRev);
+        longPieces.sort(cmpLenRev);
+        mixedPieces.sort(cmpLenRev);
+        for (i = 0; i < 12; i++) {
+            shortPieces[i] = regexEscape(shortPieces[i]);
+            longPieces[i] = regexEscape(longPieces[i]);
         }
-    }
-
-    utils_hooks__hooks.createFromInputFallback = deprecate(
-        'moment construction falls back to js Date. This is ' +
-        'discouraged and will be removed in upcoming major ' +
-        'release. Please refer to ' +
-        'https://github.com/moment/moment/issues/1407 for more info.',
-        function (config) {
-            config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
+        for (i = 0; i < 24; i++) {
+            mixedPieces[i] = regexEscape(mixedPieces[i]);
         }
-    );
-
-    function createDate (y, m, d, h, M, s, ms) {
-        //can't just apply() to create a date:
-        //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
-        var date = new Date(y, m, d, h, M, s, ms);
 
-        //the date constructor doesn't accept years < 1970
-        if (y < 1970) {
-            date.setFullYear(y);
-        }
-        return date;
+        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
+        this._monthsShortRegex = this._monthsRegex;
+        this._monthsStrictRegex = new RegExp(
+            '^(' + longPieces.join('|') + ')',
+            'i'
+        );
+        this._monthsShortStrictRegex = new RegExp(
+            '^(' + shortPieces.join('|') + ')',
+            'i'
+        );
     }
 
-    function createUTCDate (y) {
-        var date = new Date(Date.UTC.apply(null, arguments));
-        if (y < 1970) {
-            date.setUTCFullYear(y);
-        }
-        return date;
-    }
+    // FORMATTING
+
+    addFormatToken('Y', 0, 0, function () {
+        var y = this.year();
+        return y <= 9999 ? zeroFill(y, 4) : '+' + y;
+    });
 
     addFormatToken(0, ['YY', 2], 0, function () {
         return this.year() % 100;
     });
 
-    addFormatToken(0, ['YYYY',   4],       0, 'year');
-    addFormatToken(0, ['YYYYY',  5],       0, 'year');
+    addFormatToken(0, ['YYYY', 4], 0, 'year');
+    addFormatToken(0, ['YYYYY', 5], 0, 'year');
     addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');
 
     // ALIASES
 
     addUnitAlias('year', 'y');
 
+    // PRIORITIES
+
+    addUnitPriority('year', 1);
+
     // PARSING
 
-    addRegexToken('Y',      matchSigned);
-    addRegexToken('YY',     match1to2, match2);
-    addRegexToken('YYYY',   match1to4, match4);
-    addRegexToken('YYYYY',  match1to6, match6);
+    addRegexToken('Y', matchSigned);
+    addRegexToken('YY', match1to2, match2);
+    addRegexToken('YYYY', match1to4, match4);
+    addRegexToken('YYYYY', match1to6, match6);
     addRegexToken('YYYYYY', match1to6, match6);
 
-    addParseToken(['YYYY', 'YYYYY', 'YYYYYY'], YEAR);
+    addParseToken(['YYYYY', 'YYYYYY'], YEAR);
+    addParseToken('YYYY', function (input, array) {
+        array[YEAR] =
+            input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);
+    });
     addParseToken('YY', function (input, array) {
-        array[YEAR] = utils_hooks__hooks.parseTwoDigitYear(input);
+        array[YEAR] = hooks.parseTwoDigitYear(input);
+    });
+    addParseToken('Y', function (input, array) {
+        array[YEAR] = parseInt(input, 10);
     });
 
     // HELPERS
@@ -874,143 +1265,1300 @@
         return isLeapYear(year) ? 366 : 365;
     }
 
-    function isLeapYear(year) {
-        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
+    // HOOKS
+
+    hooks.parseTwoDigitYear = function (input) {
+        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
+    };
+
+    // MOMENTS
+
+    var getSetYear = makeGetSet('FullYear', true);
+
+    function getIsLeapYear() {
+        return isLeapYear(this.year());
     }
 
-    // HOOKS
+    function createDate(y, m, d, h, M, s, ms) {
+        // can't just apply() to create a date:
+        // https://stackoverflow.com/q/181348
+        var date;
+        // the date constructor remaps years 0-99 to 1900-1999
+        if (y < 100 && y >= 0) {
+            // preserve leap years using a full 400 year cycle, then reset
+            date = new Date(y + 400, m, d, h, M, s, ms);
+            if (isFinite(date.getFullYear())) {
+                date.setFullYear(y);
+            }
+        } else {
+            date = new Date(y, m, d, h, M, s, ms);
+        }
+
+        return date;
+    }
+
+    function createUTCDate(y) {
+        var date, args;
+        // the Date.UTC function remaps years 0-99 to 1900-1999
+        if (y < 100 && y >= 0) {
+            args = Array.prototype.slice.call(arguments);
+            // preserve leap years using a full 400 year cycle, then reset
+            args[0] = y + 400;
+            date = new Date(Date.UTC.apply(null, args));
+            if (isFinite(date.getUTCFullYear())) {
+                date.setUTCFullYear(y);
+            }
+        } else {
+            date = new Date(Date.UTC.apply(null, arguments));
+        }
+
+        return date;
+    }
+
+    // start-of-first-week - start-of-year
+    function firstWeekOffset(year, dow, doy) {
+        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
+            fwd = 7 + dow - doy,
+            // first-week day local weekday -- which local weekday is fwd
+            fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;
+
+        return -fwdlw + fwd - 1;
+    }
+
+    // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
+    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
+        var localWeekday = (7 + weekday - dow) % 7,
+            weekOffset = firstWeekOffset(year, dow, doy),
+            dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
+            resYear,
+            resDayOfYear;
+
+        if (dayOfYear <= 0) {
+            resYear = year - 1;
+            resDayOfYear = daysInYear(resYear) + dayOfYear;
+        } else if (dayOfYear > daysInYear(year)) {
+            resYear = year + 1;
+            resDayOfYear = dayOfYear - daysInYear(year);
+        } else {
+            resYear = year;
+            resDayOfYear = dayOfYear;
+        }
+
+        return {
+            year: resYear,
+            dayOfYear: resDayOfYear,
+        };
+    }
+
+    function weekOfYear(mom, dow, doy) {
+        var weekOffset = firstWeekOffset(mom.year(), dow, doy),
+            week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
+            resWeek,
+            resYear;
+
+        if (week < 1) {
+            resYear = mom.year() - 1;
+            resWeek = week + weeksInYear(resYear, dow, doy);
+        } else if (week > weeksInYear(mom.year(), dow, doy)) {
+            resWeek = week - weeksInYear(mom.year(), dow, doy);
+            resYear = mom.year() + 1;
+        } else {
+            resYear = mom.year();
+            resWeek = week;
+        }
+
+        return {
+            week: resWeek,
+            year: resYear,
+        };
+    }
+
+    function weeksInYear(year, dow, doy) {
+        var weekOffset = firstWeekOffset(year, dow, doy),
+            weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
+        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
+    }
+
+    // FORMATTING
+
+    addFormatToken('w', ['ww', 2], 'wo', 'week');
+    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
+
+    // ALIASES
+
+    addUnitAlias('week', 'w');
+    addUnitAlias('isoWeek', 'W');
+
+    // PRIORITIES
+
+    addUnitPriority('week', 5);
+    addUnitPriority('isoWeek', 5);
+
+    // PARSING
+
+    addRegexToken('w', match1to2);
+    addRegexToken('ww', match1to2, match2);
+    addRegexToken('W', match1to2);
+    addRegexToken('WW', match1to2, match2);
+
+    addWeekParseToken(
+        ['w', 'ww', 'W', 'WW'],
+        function (input, week, config, token) {
+            week[token.substr(0, 1)] = toInt(input);
+        }
+    );
+
+    // HELPERS
+
+    // LOCALES
+
+    function localeWeek(mom) {
+        return weekOfYear(mom, this._week.dow, this._week.doy).week;
+    }
+
+    var defaultLocaleWeek = {
+        dow: 0, // Sunday is the first day of the week.
+        doy: 6, // The week that contains Jan 6th is the first week of the year.
+    };
+
+    function localeFirstDayOfWeek() {
+        return this._week.dow;
+    }
+
+    function localeFirstDayOfYear() {
+        return this._week.doy;
+    }
+
+    // MOMENTS
+
+    function getSetWeek(input) {
+        var week = this.localeData().week(this);
+        return input == null ? week : this.add((input - week) * 7, 'd');
+    }
+
+    function getSetISOWeek(input) {
+        var week = weekOfYear(this, 1, 4).week;
+        return input == null ? week : this.add((input - week) * 7, 'd');
+    }
+
+    // FORMATTING
+
+    addFormatToken('d', 0, 'do', 'day');
+
+    addFormatToken('dd', 0, 0, function (format) {
+        return this.localeData().weekdaysMin(this, format);
+    });
+
+    addFormatToken('ddd', 0, 0, function (format) {
+        return this.localeData().weekdaysShort(this, format);
+    });
+
+    addFormatToken('dddd', 0, 0, function (format) {
+        return this.localeData().weekdays(this, format);
+    });
+
+    addFormatToken('e', 0, 0, 'weekday');
+    addFormatToken('E', 0, 0, 'isoWeekday');
+
+    // ALIASES
+
+    addUnitAlias('day', 'd');
+    addUnitAlias('weekday', 'e');
+    addUnitAlias('isoWeekday', 'E');
+
+    // PRIORITY
+    addUnitPriority('day', 11);
+    addUnitPriority('weekday', 11);
+    addUnitPriority('isoWeekday', 11);
+
+    // PARSING
+
+    addRegexToken('d', match1to2);
+    addRegexToken('e', match1to2);
+    addRegexToken('E', match1to2);
+    addRegexToken('dd', function (isStrict, locale) {
+        return locale.weekdaysMinRegex(isStrict);
+    });
+    addRegexToken('ddd', function (isStrict, locale) {
+        return locale.weekdaysShortRegex(isStrict);
+    });
+    addRegexToken('dddd', function (isStrict, locale) {
+        return locale.weekdaysRegex(isStrict);
+    });
+
+    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
+        var weekday = config._locale.weekdaysParse(input, token, config._strict);
+        // if we didn't get a weekday name, mark the date as invalid
+        if (weekday != null) {
+            week.d = weekday;
+        } else {
+            getParsingFlags(config).invalidWeekday = input;
+        }
+    });
+
+    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
+        week[token] = toInt(input);
+    });
+
+    // HELPERS
+
+    function parseWeekday(input, locale) {
+        if (typeof input !== 'string') {
+            return input;
+        }
+
+        if (!isNaN(input)) {
+            return parseInt(input, 10);
+        }
+
+        input = locale.weekdaysParse(input);
+        if (typeof input === 'number') {
+            return input;
+        }
+
+        return null;
+    }
+
+    function parseIsoWeekday(input, locale) {
+        if (typeof input === 'string') {
+            return locale.weekdaysParse(input) % 7 || 7;
+        }
+        return isNaN(input) ? null : input;
+    }
+
+    // LOCALES
+    function shiftWeekdays(ws, n) {
+        return ws.slice(n, 7).concat(ws.slice(0, n));
+    }
+
+    var defaultLocaleWeekdays =
+            'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
+        defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
+        defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
+        defaultWeekdaysRegex = matchWord,
+        defaultWeekdaysShortRegex = matchWord,
+        defaultWeekdaysMinRegex = matchWord;
+
+    function localeWeekdays(m, format) {
+        var weekdays = isArray(this._weekdays)
+            ? this._weekdays
+            : this._weekdays[
+                  m && m !== true && this._weekdays.isFormat.test(format)
+                      ? 'format'
+                      : 'standalone'
+              ];
+        return m === true
+            ? shiftWeekdays(weekdays, this._week.dow)
+            : m
+            ? weekdays[m.day()]
+            : weekdays;
+    }
+
+    function localeWeekdaysShort(m) {
+        return m === true
+            ? shiftWeekdays(this._weekdaysShort, this._week.dow)
+            : m
+            ? this._weekdaysShort[m.day()]
+            : this._weekdaysShort;
+    }
+
+    function localeWeekdaysMin(m) {
+        return m === true
+            ? shiftWeekdays(this._weekdaysMin, this._week.dow)
+            : m
+            ? this._weekdaysMin[m.day()]
+            : this._weekdaysMin;
+    }
+
+    function handleStrictParse$1(weekdayName, format, strict) {
+        var i,
+            ii,
+            mom,
+            llc = weekdayName.toLocaleLowerCase();
+        if (!this._weekdaysParse) {
+            this._weekdaysParse = [];
+            this._shortWeekdaysParse = [];
+            this._minWeekdaysParse = [];
+
+            for (i = 0; i < 7; ++i) {
+                mom = createUTC([2000, 1]).day(i);
+                this._minWeekdaysParse[i] = this.weekdaysMin(
+                    mom,
+                    ''
+                ).toLocaleLowerCase();
+                this._shortWeekdaysParse[i] = this.weekdaysShort(
+                    mom,
+                    ''
+                ).toLocaleLowerCase();
+                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
+            }
+        }
+
+        if (strict) {
+            if (format === 'dddd') {
+                ii = indexOf.call(this._weekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            } else if (format === 'ddd') {
+                ii = indexOf.call(this._shortWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            } else {
+                ii = indexOf.call(this._minWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            }
+        } else {
+            if (format === 'dddd') {
+                ii = indexOf.call(this._weekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._shortWeekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._minWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            } else if (format === 'ddd') {
+                ii = indexOf.call(this._shortWeekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._weekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._minWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            } else {
+                ii = indexOf.call(this._minWeekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._weekdaysParse, llc);
+                if (ii !== -1) {
+                    return ii;
+                }
+                ii = indexOf.call(this._shortWeekdaysParse, llc);
+                return ii !== -1 ? ii : null;
+            }
+        }
+    }
+
+    function localeWeekdaysParse(weekdayName, format, strict) {
+        var i, mom, regex;
+
+        if (this._weekdaysParseExact) {
+            return handleStrictParse$1.call(this, weekdayName, format, strict);
+        }
+
+        if (!this._weekdaysParse) {
+            this._weekdaysParse = [];
+            this._minWeekdaysParse = [];
+            this._shortWeekdaysParse = [];
+            this._fullWeekdaysParse = [];
+        }
+
+        for (i = 0; i < 7; i++) {
+            // make the regex if we don't have it already
+
+            mom = createUTC([2000, 1]).day(i);
+            if (strict && !this._fullWeekdaysParse[i]) {
+                this._fullWeekdaysParse[i] = new RegExp(
+                    '^' + this.weekdays(mom, '').replace('.', '\\.?') + '$',
+                    'i'
+                );
+                this._shortWeekdaysParse[i] = new RegExp(
+                    '^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$',
+                    'i'
+                );
+                this._minWeekdaysParse[i] = new RegExp(
+                    '^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$',
+                    'i'
+                );
+            }
+            if (!this._weekdaysParse[i]) {
+                regex =
+                    '^' +
+                    this.weekdays(mom, '') +
+                    '|^' +
+                    this.weekdaysShort(mom, '') +
+                    '|^' +
+                    this.weekdaysMin(mom, '');
+                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
+            }
+            // test the regex
+            if (
+                strict &&
+                format === 'dddd' &&
+                this._fullWeekdaysParse[i].test(weekdayName)
+            ) {
+                return i;
+            } else if (
+                strict &&
+                format === 'ddd' &&
+                this._shortWeekdaysParse[i].test(weekdayName)
+            ) {
+                return i;
+            } else if (
+                strict &&
+                format === 'dd' &&
+                this._minWeekdaysParse[i].test(weekdayName)
+            ) {
+                return i;
+            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
+                return i;
+            }
+        }
+    }
+
+    // MOMENTS
+
+    function getSetDayOfWeek(input) {
+        if (!this.isValid()) {
+            return input != null ? this : NaN;
+        }
+        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
+        if (input != null) {
+            input = parseWeekday(input, this.localeData());
+            return this.add(input - day, 'd');
+        } else {
+            return day;
+        }
+    }
+
+    function getSetLocaleDayOfWeek(input) {
+        if (!this.isValid()) {
+            return input != null ? this : NaN;
+        }
+        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
+        return input == null ? weekday : this.add(input - weekday, 'd');
+    }
+
+    function getSetISODayOfWeek(input) {
+        if (!this.isValid()) {
+            return input != null ? this : NaN;
+        }
+
+        // behaves the same as moment#day except
+        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
+        // as a setter, sunday should belong to the previous week.
+
+        if (input != null) {
+            var weekday = parseIsoWeekday(input, this.localeData());
+            return this.day(this.day() % 7 ? weekday : weekday - 7);
+        } else {
+            return this.day() || 7;
+        }
+    }
+
+    function weekdaysRegex(isStrict) {
+        if (this._weekdaysParseExact) {
+            if (!hasOwnProp(this, '_weekdaysRegex')) {
+                computeWeekdaysParse.call(this);
+            }
+            if (isStrict) {
+                return this._weekdaysStrictRegex;
+            } else {
+                return this._weekdaysRegex;
+            }
+        } else {
+            if (!hasOwnProp(this, '_weekdaysRegex')) {
+                this._weekdaysRegex = defaultWeekdaysRegex;
+            }
+            return this._weekdaysStrictRegex && isStrict
+                ? this._weekdaysStrictRegex
+                : this._weekdaysRegex;
+        }
+    }
+
+    function weekdaysShortRegex(isStrict) {
+        if (this._weekdaysParseExact) {
+            if (!hasOwnProp(this, '_weekdaysRegex')) {
+                computeWeekdaysParse.call(this);
+            }
+            if (isStrict) {
+                return this._weekdaysShortStrictRegex;
+            } else {
+                return this._weekdaysShortRegex;
+            }
+        } else {
+            if (!hasOwnProp(this, '_weekdaysShortRegex')) {
+                this._weekdaysShortRegex = defaultWeekdaysShortRegex;
+            }
+            return this._weekdaysShortStrictRegex && isStrict
+                ? this._weekdaysShortStrictRegex
+                : this._weekdaysShortRegex;
+        }
+    }
+
+    function weekdaysMinRegex(isStrict) {
+        if (this._weekdaysParseExact) {
+            if (!hasOwnProp(this, '_weekdaysRegex')) {
+                computeWeekdaysParse.call(this);
+            }
+            if (isStrict) {
+                return this._weekdaysMinStrictRegex;
+            } else {
+                return this._weekdaysMinRegex;
+            }
+        } else {
+            if (!hasOwnProp(this, '_weekdaysMinRegex')) {
+                this._weekdaysMinRegex = defaultWeekdaysMinRegex;
+            }
+            return this._weekdaysMinStrictRegex && isStrict
+                ? this._weekdaysMinStrictRegex
+                : this._weekdaysMinRegex;
+        }
+    }
+
+    function computeWeekdaysParse() {
+        function cmpLenRev(a, b) {
+            return b.length - a.length;
+        }
+
+        var minPieces = [],
+            shortPieces = [],
+            longPieces = [],
+            mixedPieces = [],
+            i,
+            mom,
+            minp,
+            shortp,
+            longp;
+        for (i = 0; i < 7; i++) {
+            // make the regex if we don't have it already
+            mom = createUTC([2000, 1]).day(i);
+            minp = regexEscape(this.weekdaysMin(mom, ''));
+            shortp = regexEscape(this.weekdaysShort(mom, ''));
+            longp = regexEscape(this.weekdays(mom, ''));
+            minPieces.push(minp);
+            shortPieces.push(shortp);
+            longPieces.push(longp);
+            mixedPieces.push(minp);
+            mixedPieces.push(shortp);
+            mixedPieces.push(longp);
+        }
+        // Sorting makes sure if one weekday (or abbr) is a prefix of another it
+        // will match the longer piece.
+        minPieces.sort(cmpLenRev);
+        shortPieces.sort(cmpLenRev);
+        longPieces.sort(cmpLenRev);
+        mixedPieces.sort(cmpLenRev);
+
+        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
+        this._weekdaysShortRegex = this._weekdaysRegex;
+        this._weekdaysMinRegex = this._weekdaysRegex;
+
+        this._weekdaysStrictRegex = new RegExp(
+            '^(' + longPieces.join('|') + ')',
+            'i'
+        );
+        this._weekdaysShortStrictRegex = new RegExp(
+            '^(' + shortPieces.join('|') + ')',
+            'i'
+        );
+        this._weekdaysMinStrictRegex = new RegExp(
+            '^(' + minPieces.join('|') + ')',
+            'i'
+        );
+    }
+
+    // FORMATTING
+
+    function hFormat() {
+        return this.hours() % 12 || 12;
+    }
+
+    function kFormat() {
+        return this.hours() || 24;
+    }
+
+    addFormatToken('H', ['HH', 2], 0, 'hour');
+    addFormatToken('h', ['hh', 2], 0, hFormat);
+    addFormatToken('k', ['kk', 2], 0, kFormat);
+
+    addFormatToken('hmm', 0, 0, function () {
+        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
+    });
+
+    addFormatToken('hmmss', 0, 0, function () {
+        return (
+            '' +
+            hFormat.apply(this) +
+            zeroFill(this.minutes(), 2) +
+            zeroFill(this.seconds(), 2)
+        );
+    });
+
+    addFormatToken('Hmm', 0, 0, function () {
+        return '' + this.hours() + zeroFill(this.minutes(), 2);
+    });
+
+    addFormatToken('Hmmss', 0, 0, function () {
+        return (
+            '' +
+            this.hours() +
+            zeroFill(this.minutes(), 2) +
+            zeroFill(this.seconds(), 2)
+        );
+    });
+
+    function meridiem(token, lowercase) {
+        addFormatToken(token, 0, 0, function () {
+            return this.localeData().meridiem(
+                this.hours(),
+                this.minutes(),
+                lowercase
+            );
+        });
+    }
+
+    meridiem('a', true);
+    meridiem('A', false);
+
+    // ALIASES
+
+    addUnitAlias('hour', 'h');
+
+    // PRIORITY
+    addUnitPriority('hour', 13);
+
+    // PARSING
+
+    function matchMeridiem(isStrict, locale) {
+        return locale._meridiemParse;
+    }
+
+    addRegexToken('a', matchMeridiem);
+    addRegexToken('A', matchMeridiem);
+    addRegexToken('H', match1to2);
+    addRegexToken('h', match1to2);
+    addRegexToken('k', match1to2);
+    addRegexToken('HH', match1to2, match2);
+    addRegexToken('hh', match1to2, match2);
+    addRegexToken('kk', match1to2, match2);
+
+    addRegexToken('hmm', match3to4);
+    addRegexToken('hmmss', match5to6);
+    addRegexToken('Hmm', match3to4);
+    addRegexToken('Hmmss', match5to6);
+
+    addParseToken(['H', 'HH'], HOUR);
+    addParseToken(['k', 'kk'], function (input, array, config) {
+        var kInput = toInt(input);
+        array[HOUR] = kInput === 24 ? 0 : kInput;
+    });
+    addParseToken(['a', 'A'], function (input, array, config) {
+        config._isPm = config._locale.isPM(input);
+        config._meridiem = input;
+    });
+    addParseToken(['h', 'hh'], function (input, array, config) {
+        array[HOUR] = toInt(input);
+        getParsingFlags(config).bigHour = true;
+    });
+    addParseToken('hmm', function (input, array, config) {
+        var pos = input.length - 2;
+        array[HOUR] = toInt(input.substr(0, pos));
+        array[MINUTE] = toInt(input.substr(pos));
+        getParsingFlags(config).bigHour = true;
+    });
+    addParseToken('hmmss', function (input, array, config) {
+        var pos1 = input.length - 4,
+            pos2 = input.length - 2;
+        array[HOUR] = toInt(input.substr(0, pos1));
+        array[MINUTE] = toInt(input.substr(pos1, 2));
+        array[SECOND] = toInt(input.substr(pos2));
+        getParsingFlags(config).bigHour = true;
+    });
+    addParseToken('Hmm', function (input, array, config) {
+        var pos = input.length - 2;
+        array[HOUR] = toInt(input.substr(0, pos));
+        array[MINUTE] = toInt(input.substr(pos));
+    });
+    addParseToken('Hmmss', function (input, array, config) {
+        var pos1 = input.length - 4,
+            pos2 = input.length - 2;
+        array[HOUR] = toInt(input.substr(0, pos1));
+        array[MINUTE] = toInt(input.substr(pos1, 2));
+        array[SECOND] = toInt(input.substr(pos2));
+    });
+
+    // LOCALES
+
+    function localeIsPM(input) {
+        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
+        // Using charAt should be more compatible.
+        return (input + '').toLowerCase().charAt(0) === 'p';
+    }
+
+    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i,
+        // Setting the hour should keep the time, because the user explicitly
+        // specified which hour they want. So trying to maintain the same hour (in
+        // a new timezone) makes sense. Adding/subtracting hours does not follow
+        // this rule.
+        getSetHour = makeGetSet('Hours', true);
+
+    function localeMeridiem(hours, minutes, isLower) {
+        if (hours > 11) {
+            return isLower ? 'pm' : 'PM';
+        } else {
+            return isLower ? 'am' : 'AM';
+        }
+    }
+
+    var baseConfig = {
+        calendar: defaultCalendar,
+        longDateFormat: defaultLongDateFormat,
+        invalidDate: defaultInvalidDate,
+        ordinal: defaultOrdinal,
+        dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,
+        relativeTime: defaultRelativeTime,
+
+        months: defaultLocaleMonths,
+        monthsShort: defaultLocaleMonthsShort,
+
+        week: defaultLocaleWeek,
+
+        weekdays: defaultLocaleWeekdays,
+        weekdaysMin: defaultLocaleWeekdaysMin,
+        weekdaysShort: defaultLocaleWeekdaysShort,
+
+        meridiemParse: defaultLocaleMeridiemParse,
+    };
+
+    // internal storage for locale config files
+    var locales = {},
+        localeFamilies = {},
+        globalLocale;
+
+    function commonPrefix(arr1, arr2) {
+        var i,
+            minl = Math.min(arr1.length, arr2.length);
+        for (i = 0; i < minl; i += 1) {
+            if (arr1[i] !== arr2[i]) {
+                return i;
+            }
+        }
+        return minl;
+    }
+
+    function normalizeLocale(key) {
+        return key ? key.toLowerCase().replace('_', '-') : key;
+    }
+
+    // pick the locale from the array
+    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
+    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
+    function chooseLocale(names) {
+        var i = 0,
+            j,
+            next,
+            locale,
+            split;
+
+        while (i < names.length) {
+            split = normalizeLocale(names[i]).split('-');
+            j = split.length;
+            next = normalizeLocale(names[i + 1]);
+            next = next ? next.split('-') : null;
+            while (j > 0) {
+                locale = loadLocale(split.slice(0, j).join('-'));
+                if (locale) {
+                    return locale;
+                }
+                if (
+                    next &&
+                    next.length >= j &&
+                    commonPrefix(split, next) >= j - 1
+                ) {
+                    //the next array item is better than a shallower substring of this one
+                    break;
+                }
+                j--;
+            }
+            i++;
+        }
+        return globalLocale;
+    }
+
+    function isLocaleNameSane(name) {
+        // Prevent names that look like filesystem paths, i.e contain '/' or '\'
+        return name.match('^[^/\\\\]*$') != null;
+    }
 
-    utils_hooks__hooks.parseTwoDigitYear = function (input) {
-        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
-    };
+    function loadLocale(name) {
+        var oldLocale = null,
+            aliasedRequire;
+        // TODO: Find a better way to register and load all the locales in Node
+        if (
+            locales[name] === undefined &&
+            typeof module !== 'undefined' &&
+            module &&
+            module.exports &&
+            isLocaleNameSane(name)
+        ) {
+            try {
+                oldLocale = globalLocale._abbr;
+                aliasedRequire = require;
+                aliasedRequire('./locale/' + name);
+                getSetGlobalLocale(oldLocale);
+            } catch (e) {
+                // mark as not found to avoid repeating expensive file require call causing high CPU
+                // when trying to find en-US, en_US, en-us for every format call
+                locales[name] = null; // null means not found
+            }
+        }
+        return locales[name];
+    }
 
-    // MOMENTS
+    // This function will load locale and then set the global locale.  If
+    // no arguments are passed in, it will simply return the current global
+    // locale key.
+    function getSetGlobalLocale(key, values) {
+        var data;
+        if (key) {
+            if (isUndefined(values)) {
+                data = getLocale(key);
+            } else {
+                data = defineLocale(key, values);
+            }
 
-    var getSetYear = makeGetSet('FullYear', false);
+            if (data) {
+                // moment.duration._locale = moment._locale = data;
+                globalLocale = data;
+            } else {
+                if (typeof console !== 'undefined' && console.warn) {
+                    //warn user if arguments are passed but the locale could not be set
+                    console.warn(
+                        'Locale ' + key + ' not found. Did you forget to load it?'
+                    );
+                }
+            }
+        }
 
-    function getIsLeapYear () {
-        return isLeapYear(this.year());
+        return globalLocale._abbr;
     }
 
-    addFormatToken('w', ['ww', 2], 'wo', 'week');
-    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');
+    function defineLocale(name, config) {
+        if (config !== null) {
+            var locale,
+                parentConfig = baseConfig;
+            config.abbr = name;
+            if (locales[name] != null) {
+                deprecateSimple(
+                    'defineLocaleOverride',
+                    'use moment.updateLocale(localeName, config) to change ' +
+                        'an existing locale. moment.defineLocale(localeName, ' +
+                        'config) should only be used for creating a new locale ' +
+                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'
+                );
+                parentConfig = locales[name]._config;
+            } else if (config.parentLocale != null) {
+                if (locales[config.parentLocale] != null) {
+                    parentConfig = locales[config.parentLocale]._config;
+                } else {
+                    locale = loadLocale(config.parentLocale);
+                    if (locale != null) {
+                        parentConfig = locale._config;
+                    } else {
+                        if (!localeFamilies[config.parentLocale]) {
+                            localeFamilies[config.parentLocale] = [];
+                        }
+                        localeFamilies[config.parentLocale].push({
+                            name: name,
+                            config: config,
+                        });
+                        return null;
+                    }
+                }
+            }
+            locales[name] = new Locale(mergeConfigs(parentConfig, config));
 
-    // ALIASES
+            if (localeFamilies[name]) {
+                localeFamilies[name].forEach(function (x) {
+                    defineLocale(x.name, x.config);
+                });
+            }
 
-    addUnitAlias('week', 'w');
-    addUnitAlias('isoWeek', 'W');
+            // backwards compat for now: also set the locale
+            // make sure we set the locale AFTER all child locales have been
+            // created, so we won't end up with the child locale set.
+            getSetGlobalLocale(name);
 
-    // PARSING
+            return locales[name];
+        } else {
+            // useful for testing
+            delete locales[name];
+            return null;
+        }
+    }
 
-    addRegexToken('w',  match1to2);
-    addRegexToken('ww', match1to2, match2);
-    addRegexToken('W',  match1to2);
-    addRegexToken('WW', match1to2, match2);
+    function updateLocale(name, config) {
+        if (config != null) {
+            var locale,
+                tmpLocale,
+                parentConfig = baseConfig;
 
-    addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
-        week[token.substr(0, 1)] = toInt(input);
-    });
+            if (locales[name] != null && locales[name].parentLocale != null) {
+                // Update existing child locale in-place to avoid memory-leaks
+                locales[name].set(mergeConfigs(locales[name]._config, config));
+            } else {
+                // MERGE
+                tmpLocale = loadLocale(name);
+                if (tmpLocale != null) {
+                    parentConfig = tmpLocale._config;
+                }
+                config = mergeConfigs(parentConfig, config);
+                if (tmpLocale == null) {
+                    // updateLocale is called for creating a new locale
+                    // Set abbr so it will have a name (getters return
+                    // undefined otherwise).
+                    config.abbr = name;
+                }
+                locale = new Locale(config);
+                locale.parentLocale = locales[name];
+                locales[name] = locale;
+            }
 
-    // HELPERS
+            // backwards compat for now: also set the locale
+            getSetGlobalLocale(name);
+        } else {
+            // pass null for config to unupdate, useful for tests
+            if (locales[name] != null) {
+                if (locales[name].parentLocale != null) {
+                    locales[name] = locales[name].parentLocale;
+                    if (name === getSetGlobalLocale()) {
+                        getSetGlobalLocale(name);
+                    }
+                } else if (locales[name] != null) {
+                    delete locales[name];
+                }
+            }
+        }
+        return locales[name];
+    }
 
-    // firstDayOfWeek       0 = sun, 6 = sat
-    //                      the day of the week that starts the week
-    //                      (usually sunday or monday)
-    // firstDayOfWeekOfYear 0 = sun, 6 = sat
-    //                      the first week is the week that contains the first
-    //                      of this day of the week
-    //                      (eg. ISO weeks use thursday (4))
-    function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) {
-        var end = firstDayOfWeekOfYear - firstDayOfWeek,
-            daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(),
-            adjustedMoment;
+    // returns locale data
+    function getLocale(key) {
+        var locale;
 
+        if (key && key._locale && key._locale._abbr) {
+            key = key._locale._abbr;
+        }
 
-        if (daysToDayOfWeek > end) {
-            daysToDayOfWeek -= 7;
+        if (!key) {
+            return globalLocale;
         }
 
-        if (daysToDayOfWeek < end - 7) {
-            daysToDayOfWeek += 7;
+        if (!isArray(key)) {
+            //short-circuit everything else
+            locale = loadLocale(key);
+            if (locale) {
+                return locale;
+            }
+            key = [key];
         }
 
-        adjustedMoment = local__createLocal(mom).add(daysToDayOfWeek, 'd');
-        return {
-            week: Math.ceil(adjustedMoment.dayOfYear() / 7),
-            year: adjustedMoment.year()
-        };
+        return chooseLocale(key);
     }
 
-    // LOCALES
-
-    function localeWeek (mom) {
-        return weekOfYear(mom, this._week.dow, this._week.doy).week;
+    function listLocales() {
+        return keys(locales);
     }
 
-    var defaultLocaleWeek = {
-        dow : 0, // Sunday is the first day of the week.
-        doy : 6  // The week that contains Jan 1st is the first week of the year.
-    };
+    function checkOverflow(m) {
+        var overflow,
+            a = m._a;
 
-    function localeFirstDayOfWeek () {
-        return this._week.dow;
-    }
+        if (a && getParsingFlags(m).overflow === -2) {
+            overflow =
+                a[MONTH] < 0 || a[MONTH] > 11
+                    ? MONTH
+                    : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])
+                    ? DATE
+                    : a[HOUR] < 0 ||
+                      a[HOUR] > 24 ||
+                      (a[HOUR] === 24 &&
+                          (a[MINUTE] !== 0 ||
+                              a[SECOND] !== 0 ||
+                              a[MILLISECOND] !== 0))
+                    ? HOUR
+                    : a[MINUTE] < 0 || a[MINUTE] > 59
+                    ? MINUTE
+                    : a[SECOND] < 0 || a[SECOND] > 59
+                    ? SECOND
+                    : a[MILLISECOND] < 0 || a[MILLISECOND] > 999
+                    ? MILLISECOND
+                    : -1;
+
+            if (
+                getParsingFlags(m)._overflowDayOfYear &&
+                (overflow < YEAR || overflow > DATE)
+            ) {
+                overflow = DATE;
+            }
+            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
+                overflow = WEEK;
+            }
+            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
+                overflow = WEEKDAY;
+            }
 
-    function localeFirstDayOfYear () {
-        return this._week.doy;
+            getParsingFlags(m).overflow = overflow;
+        }
+
+        return m;
     }
 
-    // MOMENTS
+    // iso 8601 regex
+    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
+    var extendedIsoRegex =
+            /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
+        basicIsoRegex =
+            /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d|))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([+-]\d\d(?::?\d\d)?|\s*Z)?)?$/,
+        tzRegex = /Z|[+-]\d\d(?::?\d\d)?/,
+        isoDates = [
+            ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
+            ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
+            ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
+            ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
+            ['YYYY-DDD', /\d{4}-\d{3}/],
+            ['YYYY-MM', /\d{4}-\d\d/, false],
+            ['YYYYYYMMDD', /[+-]\d{10}/],
+            ['YYYYMMDD', /\d{8}/],
+            ['GGGG[W]WWE', /\d{4}W\d{3}/],
+            ['GGGG[W]WW', /\d{4}W\d{2}/, false],
+            ['YYYYDDD', /\d{7}/],
+            ['YYYYMM', /\d{6}/, false],
+            ['YYYY', /\d{4}/, false],
+        ],
+        // iso time formats and regexes
+        isoTimes = [
+            ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
+            ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
+            ['HH:mm:ss', /\d\d:\d\d:\d\d/],
+            ['HH:mm', /\d\d:\d\d/],
+            ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
+            ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
+            ['HHmmss', /\d\d\d\d\d\d/],
+            ['HHmm', /\d\d\d\d/],
+            ['HH', /\d\d/],
+        ],
+        aspNetJsonRegex = /^\/?Date\((-?\d+)/i,
+        // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3
+        rfc2822 =
+            /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/,
+        obsOffsets = {
+            UT: 0,
+            GMT: 0,
+            EDT: -4 * 60,
+            EST: -5 * 60,
+            CDT: -5 * 60,
+            CST: -6 * 60,
+            MDT: -6 * 60,
+            MST: -7 * 60,
+            PDT: -7 * 60,
+            PST: -8 * 60,
+        };
 
-    function getSetWeek (input) {
-        var week = this.localeData().week(this);
-        return input == null ? week : this.add((input - week) * 7, 'd');
+    // date from iso format
+    function configFromISO(config) {
+        var i,
+            l,
+            string = config._i,
+            match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
+            allowTime,
+            dateFormat,
+            timeFormat,
+            tzFormat,
+            isoDatesLen = isoDates.length,
+            isoTimesLen = isoTimes.length;
+
+        if (match) {
+            getParsingFlags(config).iso = true;
+            for (i = 0, l = isoDatesLen; i < l; i++) {
+                if (isoDates[i][1].exec(match[1])) {
+                    dateFormat = isoDates[i][0];
+                    allowTime = isoDates[i][2] !== false;
+                    break;
+                }
+            }
+            if (dateFormat == null) {
+                config._isValid = false;
+                return;
+            }
+            if (match[3]) {
+                for (i = 0, l = isoTimesLen; i < l; i++) {
+                    if (isoTimes[i][1].exec(match[3])) {
+                        // match[2] should be 'T' or space
+                        timeFormat = (match[2] || ' ') + isoTimes[i][0];
+                        break;
+                    }
+                }
+                if (timeFormat == null) {
+                    config._isValid = false;
+                    return;
+                }
+            }
+            if (!allowTime && timeFormat != null) {
+                config._isValid = false;
+                return;
+            }
+            if (match[4]) {
+                if (tzRegex.exec(match[4])) {
+                    tzFormat = 'Z';
+                } else {
+                    config._isValid = false;
+                    return;
+                }
+            }
+            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
+            configFromStringAndFormat(config);
+        } else {
+            config._isValid = false;
+        }
     }
 
-    function getSetISOWeek (input) {
-        var week = weekOfYear(this, 1, 4).week;
-        return input == null ? week : this.add((input - week) * 7, 'd');
+    function extractFromRFC2822Strings(
+        yearStr,
+        monthStr,
+        dayStr,
+        hourStr,
+        minuteStr,
+        secondStr
+    ) {
+        var result = [
+            untruncateYear(yearStr),
+            defaultLocaleMonthsShort.indexOf(monthStr),
+            parseInt(dayStr, 10),
+            parseInt(hourStr, 10),
+            parseInt(minuteStr, 10),
+        ];
+
+        if (secondStr) {
+            result.push(parseInt(secondStr, 10));
+        }
+
+        return result;
+    }
+
+    function untruncateYear(yearStr) {
+        var year = parseInt(yearStr, 10);
+        if (year <= 49) {
+            return 2000 + year;
+        } else if (year <= 999) {
+            return 1900 + year;
+        }
+        return year;
+    }
+
+    function preprocessRFC2822(s) {
+        // Remove comments and folding whitespace and replace multiple-spaces with a single space
+        return s
+            .replace(/\([^)]*\)|[\n\t]/g, ' ')
+            .replace(/(\s\s+)/g, ' ')
+            .replace(/^\s\s*/, '')
+            .replace(/\s\s*$/, '');
+    }
+
+    function checkWeekday(weekdayStr, parsedInput, config) {
+        if (weekdayStr) {
+            // TODO: Replace the vanilla JS Date object with an independent day-of-week check.
+            var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),
+                weekdayActual = new Date(
+                    parsedInput[0],
+                    parsedInput[1],
+                    parsedInput[2]
+                ).getDay();
+            if (weekdayProvided !== weekdayActual) {
+                getParsingFlags(config).weekdayMismatch = true;
+                config._isValid = false;
+                return false;
+            }
+        }
+        return true;
     }
 
-    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');
+    function calculateOffset(obsOffset, militaryOffset, numOffset) {
+        if (obsOffset) {
+            return obsOffsets[obsOffset];
+        } else if (militaryOffset) {
+            // the only allowed military tz is Z
+            return 0;
+        } else {
+            var hm = parseInt(numOffset, 10),
+                m = hm % 100,
+                h = (hm - m) / 100;
+            return h * 60 + m;
+        }
+    }
 
-    // ALIASES
+    // date and time from ref 2822 format
+    function configFromRFC2822(config) {
+        var match = rfc2822.exec(preprocessRFC2822(config._i)),
+            parsedArray;
+        if (match) {
+            parsedArray = extractFromRFC2822Strings(
+                match[4],
+                match[3],
+                match[2],
+                match[5],
+                match[6],
+                match[7]
+            );
+            if (!checkWeekday(match[1], parsedArray, config)) {
+                return;
+            }
 
-    addUnitAlias('dayOfYear', 'DDD');
+            config._a = parsedArray;
+            config._tzm = calculateOffset(match[8], match[9], match[10]);
 
-    // PARSING
+            config._d = createUTCDate.apply(null, config._a);
+            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
 
-    addRegexToken('DDD',  match1to3);
-    addRegexToken('DDDD', match3);
-    addParseToken(['DDD', 'DDDD'], function (input, array, config) {
-        config._dayOfYear = toInt(input);
-    });
+            getParsingFlags(config).rfc2822 = true;
+        } else {
+            config._isValid = false;
+        }
+    }
 
-    // HELPERS
+    // date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strict
+    function configFromString(config) {
+        var matched = aspNetJsonRegex.exec(config._i);
+        if (matched !== null) {
+            config._d = new Date(+matched[1]);
+            return;
+        }
 
-    //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
-    function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) {
-        var d = createUTCDate(year, 0, 1).getUTCDay();
-        var daysToAdd;
-        var dayOfYear;
+        configFromISO(config);
+        if (config._isValid === false) {
+            delete config._isValid;
+        } else {
+            return;
+        }
 
-        d = d === 0 ? 7 : d;
-        weekday = weekday != null ? weekday : firstDayOfWeek;
-        daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0);
-        dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1;
+        configFromRFC2822(config);
+        if (config._isValid === false) {
+            delete config._isValid;
+        } else {
+            return;
+        }
 
-        return {
-            year      : dayOfYear > 0 ? year      : year - 1,
-            dayOfYear : dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear
-        };
+        if (config._strict) {
+            config._isValid = false;
+        } else {
+            // Final attempt, use Input Fallback
+            hooks.createFromInputFallback(config);
+        }
     }
 
-    // MOMENTS
-
-    function getSetDayOfYear (input) {
-        var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
-        return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
-    }
+    hooks.createFromInputFallback = deprecate(
+        'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +
+            'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +
+            'discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.',
+        function (config) {
+            config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
+        }
+    );
 
     // Pick the first defined of two or three arguments.
     function defaults(a, b, c) {
@@ -1024,19 +2572,29 @@
     }
 
     function currentDateArray(config) {
-        var now = new Date();
+        // hooks is actually the exported moment object
+        var nowValue = new Date(hooks.now());
         if (config._useUTC) {
-            return [now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate()];
+            return [
+                nowValue.getUTCFullYear(),
+                nowValue.getUTCMonth(),
+                nowValue.getUTCDate(),
+            ];
         }
-        return [now.getFullYear(), now.getMonth(), now.getDate()];
+        return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
     }
 
     // convert an array to a date.
     // the array should mirror the parameters below
     // note: all values past the year are optional and will default to the lowest possible value.
     // [year, month, day , hour, minute, second, millisecond]
-    function configFromArray (config) {
-        var i, date, input = [], currentDate, yearToUse;
+    function configFromArray(config) {
+        var i,
+            date,
+            input = [],
+            currentDate,
+            expectedWeekday,
+            yearToUse;
 
         if (config._d) {
             return;
@@ -1050,11 +2608,14 @@
         }
 
         //if the day of the year is set, figure out what it is
-        if (config._dayOfYear) {
+        if (config._dayOfYear != null) {
             yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);
 
-            if (config._dayOfYear > daysInYear(yearToUse)) {
-                config._pf._overflowDayOfYear = true;
+            if (
+                config._dayOfYear > daysInYear(yearToUse) ||
+                config._dayOfYear === 0
+            ) {
+                getParsingFlags(config)._overflowDayOfYear = true;
             }
 
             date = createUTCDate(yearToUse, 0, config._dayOfYear);
@@ -1073,19 +2634,29 @@
 
         // Zero out whatever was not defaulted, including time
         for (; i < 7; i++) {
-            config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
+            config._a[i] = input[i] =
+                config._a[i] == null ? (i === 2 ? 1 : 0) : config._a[i];
         }
 
         // Check for 24:00:00.000
-        if (config._a[HOUR] === 24 &&
-                config._a[MINUTE] === 0 &&
-                config._a[SECOND] === 0 &&
-                config._a[MILLISECOND] === 0) {
+        if (
+            config._a[HOUR] === 24 &&
+            config._a[MINUTE] === 0 &&
+            config._a[SECOND] === 0 &&
+            config._a[MILLISECOND] === 0
+        ) {
             config._nextDay = true;
             config._a[HOUR] = 0;
         }
 
-        config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
+        config._d = (config._useUTC ? createUTCDate : createDate).apply(
+            null,
+            input
+        );
+        expectedWeekday = config._useUTC
+            ? config._d.getUTCDay()
+            : config._d.getDay();
+
         // Apply timezone offset from input. The actual utcOffset can be changed
         // with parseZone.
         if (config._tzm != null) {
@@ -1095,10 +2666,19 @@
         if (config._nextDay) {
             config._a[HOUR] = 24;
         }
+
+        // check for mismatching day of week
+        if (
+            config._w &&
+            typeof config._w.d !== 'undefined' &&
+            config._w.d !== expectedWeekday
+        ) {
+            getParsingFlags(config).weekdayMismatch = true;
+        }
     }
 
     function dayOfYearFromWeekInfo(config) {
-        var w, weekYear, week, weekday, dow, doy, temp;
+        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow, curWeek;
 
         w = config._w;
         if (w.GG != null || w.W != null || w.E != null) {
@@ -1109,102 +2689,153 @@
             // how we interpret now (local, utc, fixed offset). So create
             // a now version of current config (take local/utc/offset flags, and
             // create now).
-            weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(local__createLocal(), 1, 4).year);
+            weekYear = defaults(
+                w.GG,
+                config._a[YEAR],
+                weekOfYear(createLocal(), 1, 4).year
+            );
             week = defaults(w.W, 1);
             weekday = defaults(w.E, 1);
+            if (weekday < 1 || weekday > 7) {
+                weekdayOverflow = true;
+            }
         } else {
             dow = config._locale._week.dow;
             doy = config._locale._week.doy;
 
-            weekYear = defaults(w.gg, config._a[YEAR], weekOfYear(local__createLocal(), dow, doy).year);
-            week = defaults(w.w, 1);
+            curWeek = weekOfYear(createLocal(), dow, doy);
+
+            weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);
+
+            // Default to current week.
+            week = defaults(w.w, curWeek.week);
 
             if (w.d != null) {
                 // weekday -- low day numbers are considered next week
                 weekday = w.d;
-                if (weekday < dow) {
-                    ++week;
+                if (weekday < 0 || weekday > 6) {
+                    weekdayOverflow = true;
                 }
             } else if (w.e != null) {
-                // local weekday -- counting starts from begining of week
+                // local weekday -- counting starts from beginning of week
                 weekday = w.e + dow;
+                if (w.e < 0 || w.e > 6) {
+                    weekdayOverflow = true;
+                }
             } else {
-                // default to begining of week
+                // default to beginning of week
                 weekday = dow;
             }
         }
-        temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow);
-
-        config._a[YEAR] = temp.year;
-        config._dayOfYear = temp.dayOfYear;
+        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
+            getParsingFlags(config)._overflowWeeks = true;
+        } else if (weekdayOverflow != null) {
+            getParsingFlags(config)._overflowWeekday = true;
+        } else {
+            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
+            config._a[YEAR] = temp.year;
+            config._dayOfYear = temp.dayOfYear;
+        }
     }
 
-    utils_hooks__hooks.ISO_8601 = function () {};
+    // constant that refers to the ISO standard
+    hooks.ISO_8601 = function () {};
+
+    // constant that refers to the RFC 2822 form
+    hooks.RFC_2822 = function () {};
 
     // date from string and format string
     function configFromStringAndFormat(config) {
         // TODO: Move this to another part of the creation flow to prevent circular deps
-        if (config._f === utils_hooks__hooks.ISO_8601) {
+        if (config._f === hooks.ISO_8601) {
             configFromISO(config);
             return;
         }
-
+        if (config._f === hooks.RFC_2822) {
+            configFromRFC2822(config);
+            return;
+        }
         config._a = [];
-        config._pf.empty = true;
+        getParsingFlags(config).empty = true;
 
         // This array is used to make a Date, either with `new Date` or `Date.UTC`
         var string = '' + config._i,
-            i, parsedInput, tokens, token, skipped,
+            i,
+            parsedInput,
+            tokens,
+            token,
+            skipped,
             stringLength = string.length,
-            totalParsedInputLength = 0;
-
-        tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
-
-        for (i = 0; i < tokens.length; i++) {
+            totalParsedInputLength = 0,
+            era,
+            tokenLen;
+
+        tokens =
+            expandFormat(config._f, config._locale).match(formattingTokens) || [];
+        tokenLen = tokens.length;
+        for (i = 0; i < tokenLen; i++) {
             token = tokens[i];
-            parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
+            parsedInput = (string.match(getParseRegexForToken(token, config)) ||
+                [])[0];
             if (parsedInput) {
                 skipped = string.substr(0, string.indexOf(parsedInput));
                 if (skipped.length > 0) {
-                    config._pf.unusedInput.push(skipped);
+                    getParsingFlags(config).unusedInput.push(skipped);
                 }
-                string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
+                string = string.slice(
+                    string.indexOf(parsedInput) + parsedInput.length
+                );
                 totalParsedInputLength += parsedInput.length;
             }
             // don't parse if it's not a known token
             if (formatTokenFunctions[token]) {
                 if (parsedInput) {
-                    config._pf.empty = false;
-                }
-                else {
-                    config._pf.unusedTokens.push(token);
+                    getParsingFlags(config).empty = false;
+                } else {
+                    getParsingFlags(config).unusedTokens.push(token);
                 }
                 addTimeToArrayFromToken(token, parsedInput, config);
-            }
-            else if (config._strict && !parsedInput) {
-                config._pf.unusedTokens.push(token);
+            } else if (config._strict && !parsedInput) {
+                getParsingFlags(config).unusedTokens.push(token);
             }
         }
 
         // add remaining unparsed input length to the string
-        config._pf.charsLeftOver = stringLength - totalParsedInputLength;
+        getParsingFlags(config).charsLeftOver =
+            stringLength - totalParsedInputLength;
         if (string.length > 0) {
-            config._pf.unusedInput.push(string);
+            getParsingFlags(config).unusedInput.push(string);
         }
 
         // clear _12h flag if hour is <= 12
-        if (config._pf.bigHour === true && config._a[HOUR] <= 12) {
-            config._pf.bigHour = undefined;
+        if (
+            config._a[HOUR] <= 12 &&
+            getParsingFlags(config).bigHour === true &&
+            config._a[HOUR] > 0
+        ) {
+            getParsingFlags(config).bigHour = undefined;
         }
+
+        getParsingFlags(config).parsedDateParts = config._a.slice(0);
+        getParsingFlags(config).meridiem = config._meridiem;
         // handle meridiem
-        config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);
+        config._a[HOUR] = meridiemFixWrap(
+            config._locale,
+            config._a[HOUR],
+            config._meridiem
+        );
+
+        // handle era
+        era = getParsingFlags(config).era;
+        if (era !== null) {
+            config._a[YEAR] = config._locale.erasConvertYear(era, config._a[YEAR]);
+        }
 
         configFromArray(config);
         checkOverflow(config);
     }
 
-
-    function meridiemFixWrap (locale, hour, meridiem) {
+    function meridiemFixWrap(locale, hour, meridiem) {
         var isPm;
 
         if (meridiem == null) {
@@ -1229,45 +2860,62 @@
         }
     }
 
+    // date from string and array of format strings
     function configFromStringAndArray(config) {
         var tempConfig,
             bestMoment,
-
             scoreToBeat,
             i,
-            currentScore;
+            currentScore,
+            validFormatFound,
+            bestFormatIsValid = false,
+            configfLen = config._f.length;
 
-        if (config._f.length === 0) {
-            config._pf.invalidFormat = true;
+        if (configfLen === 0) {
+            getParsingFlags(config).invalidFormat = true;
             config._d = new Date(NaN);
             return;
         }
 
-        for (i = 0; i < config._f.length; i++) {
+        for (i = 0; i < configfLen; i++) {
             currentScore = 0;
+            validFormatFound = false;
             tempConfig = copyConfig({}, config);
             if (config._useUTC != null) {
                 tempConfig._useUTC = config._useUTC;
             }
-            tempConfig._pf = defaultParsingFlags();
             tempConfig._f = config._f[i];
             configFromStringAndFormat(tempConfig);
 
-            if (!valid__isValid(tempConfig)) {
-                continue;
+            if (isValid(tempConfig)) {
+                validFormatFound = true;
             }
 
             // if there is any input that was not parsed add a penalty for that format
-            currentScore += tempConfig._pf.charsLeftOver;
+            currentScore += getParsingFlags(tempConfig).charsLeftOver;
 
             //or tokens
-            currentScore += tempConfig._pf.unusedTokens.length * 10;
-
-            tempConfig._pf.score = currentScore;
-
-            if (scoreToBeat == null || currentScore < scoreToBeat) {
-                scoreToBeat = currentScore;
-                bestMoment = tempConfig;
+            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;
+
+            getParsingFlags(tempConfig).score = currentScore;
+
+            if (!bestFormatIsValid) {
+                if (
+                    scoreToBeat == null ||
+                    currentScore < scoreToBeat ||
+                    validFormatFound
+                ) {
+                    scoreToBeat = currentScore;
+                    bestMoment = tempConfig;
+                    if (validFormatFound) {
+                        bestFormatIsValid = true;
+                    }
+                }
+            } else {
+                if (currentScore < scoreToBeat) {
+                    scoreToBeat = currentScore;
+                    bestMoment = tempConfig;
+                }
             }
         }
 
@@ -1279,21 +2927,37 @@
             return;
         }
 
-        var i = normalizeObjectUnits(config._i);
-        config._a = [i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond];
+        var i = normalizeObjectUnits(config._i),
+            dayOrDate = i.day === undefined ? i.date : i.day;
+        config._a = map(
+            [i.year, i.month, dayOrDate, i.hour, i.minute, i.second, i.millisecond],
+            function (obj) {
+                return obj && parseInt(obj, 10);
+            }
+        );
 
         configFromArray(config);
     }
 
-    function createFromConfig (config) {
+    function createFromConfig(config) {
+        var res = new Moment(checkOverflow(prepareConfig(config)));
+        if (res._nextDay) {
+            // Adding is smart enough around DST
+            res.add(1, 'd');
+            res._nextDay = undefined;
+        }
+
+        return res;
+    }
+
+    function prepareConfig(config) {
         var input = config._i,
-            format = config._f,
-            res;
+            format = config._f;
 
-        config._locale = config._locale || locale_locales__getLocale(config._l);
+        config._locale = config._locale || getLocale(config._l);
 
         if (input === null || (format === undefined && input === '')) {
-            return valid__createInvalid({nullInput: true});
+            return createInvalid({ nullInput: true });
         }
 
         if (typeof input === 'string') {
@@ -1302,6 +2966,8 @@
 
         if (isMoment(input)) {
             return new Moment(checkOverflow(input));
+        } else if (isDate(input)) {
+            config._d = input;
         } else if (isArray(format)) {
             configFromStringAndArray(config);
         } else if (format) {
@@ -1310,22 +2976,19 @@
             configFromInput(config);
         }
 
-        res = new Moment(checkOverflow(config));
-        if (res._nextDay) {
-            // Adding is smart enough around DST
-            res.add(1, 'd');
-            res._nextDay = undefined;
+        if (!isValid(config)) {
+            config._d = null;
         }
 
-        return res;
+        return config;
     }
 
     function configFromInput(config) {
         var input = config._i;
-        if (input === undefined) {
-            config._d = new Date();
+        if (isUndefined(input)) {
+            config._d = new Date(hooks.now());
         } else if (isDate(input)) {
-            config._d = new Date(+input);
+            config._d = new Date(input.valueOf());
         } else if (typeof input === 'string') {
             configFromString(config);
         } else if (isArray(input)) {
@@ -1333,23 +2996,35 @@
                 return parseInt(obj, 10);
             });
             configFromArray(config);
-        } else if (typeof(input) === 'object') {
+        } else if (isObject(input)) {
             configFromObject(config);
-        } else if (typeof(input) === 'number') {
+        } else if (isNumber(input)) {
             // from milliseconds
             config._d = new Date(input);
         } else {
-            utils_hooks__hooks.createFromInputFallback(config);
+            hooks.createFromInputFallback(config);
         }
     }
 
-    function createLocalOrUTC (input, format, locale, strict, isUTC) {
+    function createLocalOrUTC(input, format, locale, strict, isUTC) {
         var c = {};
 
-        if (typeof(locale) === 'boolean') {
+        if (format === true || format === false) {
+            strict = format;
+            format = undefined;
+        }
+
+        if (locale === true || locale === false) {
             strict = locale;
             locale = undefined;
         }
+
+        if (
+            (isObject(input) && isObjectEmpty(input)) ||
+            (isArray(input) && input.length === 0)
+        ) {
+            input = undefined;
+        }
         // object construction must be done this way.
         // https://github.com/moment/moment/issues/1423
         c._isAMomentObject = true;
@@ -1358,30 +3033,36 @@
         c._i = input;
         c._f = format;
         c._strict = strict;
-        c._pf = defaultParsingFlags();
 
         return createFromConfig(c);
     }
 
-    function local__createLocal (input, format, locale, strict) {
+    function createLocal(input, format, locale, strict) {
         return createLocalOrUTC(input, format, locale, strict, false);
     }
 
     var prototypeMin = deprecate(
-         'moment().min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548',
-         function () {
-             var other = local__createLocal.apply(null, arguments);
-             return other < this ? this : other;
-         }
-     );
-
-    var prototypeMax = deprecate(
-        'moment().max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548',
-        function () {
-            var other = local__createLocal.apply(null, arguments);
-            return other > this ? this : other;
-        }
-    );
+            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',
+            function () {
+                var other = createLocal.apply(null, arguments);
+                if (this.isValid() && other.isValid()) {
+                    return other < this ? this : other;
+                } else {
+                    return createInvalid();
+                }
+            }
+        ),
+        prototypeMax = deprecate(
+            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',
+            function () {
+                var other = createLocal.apply(null, arguments);
+                if (this.isValid() && other.isValid()) {
+                    return other > this ? this : other;
+                } else {
+                    return createInvalid();
+                }
+            }
+        );
 
     // Pick a moment m from moments so that m[fn](other) is true for all
     // other. This relies on the function fn to be transitive.
@@ -1394,11 +3075,11 @@
             moments = moments[0];
         }
         if (!moments.length) {
-            return local__createLocal();
+            return createLocal();
         }
         res = moments[0];
         for (i = 1; i < moments.length; ++i) {
-            if (moments[i][fn](res)) {
+            if (!moments[i].isValid() || moments[i][fn](res)) {
                 res = moments[i];
             }
         }
@@ -1406,66 +3087,153 @@
     }
 
     // TODO: Use [].sort instead?
-    function min () {
+    function min() {
         var args = [].slice.call(arguments, 0);
 
         return pickBy('isBefore', args);
     }
 
-    function max () {
+    function max() {
         var args = [].slice.call(arguments, 0);
 
         return pickBy('isAfter', args);
     }
 
-    function Duration (duration) {
+    var now = function () {
+        return Date.now ? Date.now() : +new Date();
+    };
+
+    var ordering = [
+        'year',
+        'quarter',
+        'month',
+        'week',
+        'day',
+        'hour',
+        'minute',
+        'second',
+        'millisecond',
+    ];
+
+    function isDurationValid(m) {
+        var key,
+            unitHasDecimal = false,
+            i,
+            orderLen = ordering.length;
+        for (key in m) {
+            if (
+                hasOwnProp(m, key) &&
+                !(
+                    indexOf.call(ordering, key) !== -1 &&
+                    (m[key] == null || !isNaN(m[key]))
+                )
+            ) {
+                return false;
+            }
+        }
+
+        for (i = 0; i < orderLen; ++i) {
+            if (m[ordering[i]]) {
+                if (unitHasDecimal) {
+                    return false; // only allow non-integers for smallest unit
+                }
+                if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {
+                    unitHasDecimal = true;
+                }
+            }
+        }
+
+        return true;
+    }
+
+    function isValid$1() {
+        return this._isValid;
+    }
+
+    function createInvalid$1() {
+        return createDuration(NaN);
+    }
+
+    function Duration(duration) {
         var normalizedInput = normalizeObjectUnits(duration),
             years = normalizedInput.year || 0,
             quarters = normalizedInput.quarter || 0,
             months = normalizedInput.month || 0,
-            weeks = normalizedInput.week || 0,
+            weeks = normalizedInput.week || normalizedInput.isoWeek || 0,
             days = normalizedInput.day || 0,
             hours = normalizedInput.hour || 0,
             minutes = normalizedInput.minute || 0,
             seconds = normalizedInput.second || 0,
             milliseconds = normalizedInput.millisecond || 0;
 
+        this._isValid = isDurationValid(normalizedInput);
+
         // representation for dateAddRemove
-        this._milliseconds = +milliseconds +
+        this._milliseconds =
+            +milliseconds +
             seconds * 1e3 + // 1000
             minutes * 6e4 + // 1000 * 60
-            hours * 36e5; // 1000 * 60 * 60
+            hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
         // Because of dateAddRemove treats 24 hours as different from a
         // day when working around DST, we need to store them separately
-        this._days = +days +
-            weeks * 7;
-        // It is impossible translate months into days without knowing
+        this._days = +days + weeks * 7;
+        // It is impossible to translate months into days without knowing
         // which months you are are talking about, so we have to store
         // it separately.
-        this._months = +months +
-            quarters * 3 +
-            years * 12;
+        this._months = +months + quarters * 3 + years * 12;
 
         this._data = {};
 
-        this._locale = locale_locales__getLocale();
+        this._locale = getLocale();
+
+        this._bubble();
+    }
+
+    function isDuration(obj) {
+        return obj instanceof Duration;
+    }
 
-        this._bubble();
+    function absRound(number) {
+        if (number < 0) {
+            return Math.round(-1 * number) * -1;
+        } else {
+            return Math.round(number);
+        }
     }
 
-    function isDuration (obj) {
-        return obj instanceof Duration;
+    // compare two arrays, return the number of differences
+    function compareArrays(array1, array2, dontConvert) {
+        var len = Math.min(array1.length, array2.length),
+            lengthDiff = Math.abs(array1.length - array2.length),
+            diffs = 0,
+            i;
+        for (i = 0; i < len; i++) {
+            if (
+                (dontConvert && array1[i] !== array2[i]) ||
+                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))
+            ) {
+                diffs++;
+            }
+        }
+        return diffs + lengthDiff;
     }
 
-    function offset (token, separator) {
+    // FORMATTING
+
+    function offset(token, separator) {
         addFormatToken(token, 0, 0, function () {
-            var offset = this.utcOffset();
-            var sign = '+';
+            var offset = this.utcOffset(),
+                sign = '+';
             if (offset < 0) {
                 offset = -offset;
                 sign = '-';
             }
-            return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
+            return (
+                sign +
+                zeroFill(~~(offset / 60), 2) +
+                separator +
+                zeroFill(~~offset % 60, 2)
+            );
         });
     }
 
@@ -1474,11 +3242,11 @@
 
     // PARSING
 
-    addRegexToken('Z',  matchOffset);
-    addRegexToken('ZZ', matchOffset);
+    addRegexToken('Z', matchShortOffset);
+    addRegexToken('ZZ', matchShortOffset);
     addParseToken(['Z', 'ZZ'], function (input, array, config) {
         config._useUTC = true;
-        config._tzm = offsetFromString(input);
+        config._tzm = offsetFromString(matchShortOffset, input);
     });
 
     // HELPERS
@@ -1488,13 +3256,21 @@
     // '-1530'  > ['-15', '30']
     var chunkOffset = /([\+\-]|\d\d)/gi;
 
-    function offsetFromString(string) {
-        var matches = ((string || '').match(matchOffset) || []);
-        var chunk   = matches[matches.length - 1] || [];
-        var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];
-        var minutes = +(parts[1] * 60) + toInt(parts[2]);
+    function offsetFromString(matcher, string) {
+        var matches = (string || '').match(matcher),
+            chunk,
+            parts,
+            minutes;
+
+        if (matches === null) {
+            return null;
+        }
+
+        chunk = matches[matches.length - 1] || [];
+        parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];
+        minutes = +(parts[1] * 60) + toInt(parts[2]);
 
-        return parts[0] === '+' ? minutes : -minutes;
+        return minutes === 0 ? 0 : parts[0] === '+' ? minutes : -minutes;
     }
 
     // Return a moment from input, that is local/utc/zone equivalent to model.
@@ -1502,28 +3278,30 @@
         var res, diff;
         if (model._isUTC) {
             res = model.clone();
-            diff = (isMoment(input) || isDate(input) ? +input : +local__createLocal(input)) - (+res);
+            diff =
+                (isMoment(input) || isDate(input)
+                    ? input.valueOf()
+                    : createLocal(input).valueOf()) - res.valueOf();
             // Use low-level api, because this fn is low-level api.
-            res._d.setTime(+res._d + diff);
-            utils_hooks__hooks.updateOffset(res, false);
+            res._d.setTime(res._d.valueOf() + diff);
+            hooks.updateOffset(res, false);
             return res;
         } else {
-            return local__createLocal(input).local();
+            return createLocal(input).local();
         }
-        return model._isUTC ? local__createLocal(input).zone(model._offset || 0) : local__createLocal(input).local();
     }
 
-    function getDateOffset (m) {
+    function getDateOffset(m) {
         // On Firefox.24 Date#getTimezoneOffset returns a floating point.
         // https://github.com/moment/moment/pull/1871
-        return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
+        return -Math.round(m._d.getTimezoneOffset());
     }
 
     // HOOKS
 
     // This function will be called whenever a moment is mutated.
     // It is intended to keep the offset in sync with the timezone.
-    utils_hooks__hooks.updateOffset = function () {};
+    hooks.updateOffset = function () {};
 
     // MOMENTS
 
@@ -1537,14 +3315,19 @@
     // a second time. In case it wants us to change the offset again
     // _changeInProgress == true case, then we have to adjust, because
     // there is no such time in the given timezone.
-    function getSetOffset (input, keepLocalTime) {
+    function getSetOffset(input, keepLocalTime, keepMinutes) {
         var offset = this._offset || 0,
             localAdjust;
+        if (!this.isValid()) {
+            return input != null ? this : NaN;
+        }
         if (input != null) {
             if (typeof input === 'string') {
-                input = offsetFromString(input);
-            }
-            if (Math.abs(input) < 16) {
+                input = offsetFromString(matchShortOffset, input);
+                if (input === null) {
+                    return this;
+                }
+            } else if (Math.abs(input) < 16 && !keepMinutes) {
                 input = input * 60;
             }
             if (!this._isUTC && keepLocalTime) {
@@ -1557,10 +3340,15 @@
             }
             if (offset !== input) {
                 if (!keepLocalTime || this._changeInProgress) {
-                    add_subtract__addSubtract(this, create__createDuration(input - offset, 'm'), 1, false);
+                    addSubtract(
+                        this,
+                        createDuration(input - offset, 'm'),
+                        1,
+                        false
+                    );
                 } else if (!this._changeInProgress) {
                     this._changeInProgress = true;
-                    utils_hooks__hooks.updateOffset(this, true);
+                    hooks.updateOffset(this, true);
                     this._changeInProgress = null;
                 }
             }
@@ -1570,7 +3358,7 @@
         }
     }
 
-    function getSetZone (input, keepLocalTime) {
+    function getSetZone(input, keepLocalTime) {
         if (input != null) {
             if (typeof input !== 'string') {
                 input = -input;
@@ -1584,11 +3372,11 @@
         }
     }
 
-    function setOffsetToUTC (keepLocalTime) {
+    function setOffsetToUTC(keepLocalTime) {
         return this.utcOffset(0, keepLocalTime);
     }
 
-    function setOffsetToLocal (keepLocalTime) {
+    function setOffsetToLocal(keepLocalTime) {
         if (this._isUTC) {
             this.utcOffset(0, keepLocalTime);
             this._isUTC = false;
@@ -1600,61 +3388,79 @@
         return this;
     }
 
-    function setOffsetToParsedOffset () {
-        if (this._tzm) {
-            this.utcOffset(this._tzm);
+    function setOffsetToParsedOffset() {
+        if (this._tzm != null) {
+            this.utcOffset(this._tzm, false, true);
         } else if (typeof this._i === 'string') {
-            this.utcOffset(offsetFromString(this._i));
+            var tZone = offsetFromString(matchOffset, this._i);
+            if (tZone != null) {
+                this.utcOffset(tZone);
+            } else {
+                this.utcOffset(0, true);
+            }
         }
         return this;
     }
 
-    function hasAlignedHourOffset (input) {
-        if (!input) {
-            input = 0;
-        }
-        else {
-            input = local__createLocal(input).utcOffset();
+    function hasAlignedHourOffset(input) {
+        if (!this.isValid()) {
+            return false;
         }
+        input = input ? createLocal(input).utcOffset() : 0;
 
         return (this.utcOffset() - input) % 60 === 0;
     }
 
-    function isDaylightSavingTime () {
+    function isDaylightSavingTime() {
         return (
             this.utcOffset() > this.clone().month(0).utcOffset() ||
             this.utcOffset() > this.clone().month(5).utcOffset()
         );
     }
 
-    function isDaylightSavingTimeShifted () {
-        if (this._a) {
-            var other = this._isUTC ? create_utc__createUTC(this._a) : local__createLocal(this._a);
-            return this.isValid() && compareArrays(this._a, other.toArray()) > 0;
+    function isDaylightSavingTimeShifted() {
+        if (!isUndefined(this._isDSTShifted)) {
+            return this._isDSTShifted;
         }
 
-        return false;
-    }
+        var c = {},
+            other;
+
+        copyConfig(c, this);
+        c = prepareConfig(c);
+
+        if (c._a) {
+            other = c._isUTC ? createUTC(c._a) : createLocal(c._a);
+            this._isDSTShifted =
+                this.isValid() && compareArrays(c._a, other.toArray()) > 0;
+        } else {
+            this._isDSTShifted = false;
+        }
 
-    function isLocal () {
-        return !this._isUTC;
+        return this._isDSTShifted;
     }
 
-    function isUtcOffset () {
-        return this._isUTC;
+    function isLocal() {
+        return this.isValid() ? !this._isUTC : false;
     }
 
-    function isUtc () {
-        return this._isUTC && this._offset === 0;
+    function isUtcOffset() {
+        return this.isValid() ? this._isUTC : false;
     }
 
-    var aspNetRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/;
+    function isUtc() {
+        return this.isValid() ? this._isUTC && this._offset === 0 : false;
+    }
 
-    // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
-    // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
-    var create__isoRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/;
+    // ASP.NET json date format regex
+    var aspNetRegex = /^(-|\+)?(?:(\d*)[. ])?(\d+):(\d+)(?::(\d+)(\.\d*)?)?$/,
+        // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
+        // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
+        // and further modified to allow for strings containing both week and day
+        isoRegex =
+            /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;
 
-    function create__createDuration (input, key) {
+    function createDuration(input, key) {
         var duration = input,
             // matching against regexp is expensive, do it on demand
             match = null,
@@ -1664,42 +3470,49 @@
 
         if (isDuration(input)) {
             duration = {
-                ms : input._milliseconds,
-                d  : input._days,
-                M  : input._months
+                ms: input._milliseconds,
+                d: input._days,
+                M: input._months,
             };
-        } else if (typeof input === 'number') {
+        } else if (isNumber(input) || !isNaN(+input)) {
             duration = {};
             if (key) {
-                duration[key] = input;
+                duration[key] = +input;
             } else {
-                duration.milliseconds = input;
+                duration.milliseconds = +input;
             }
-        } else if (!!(match = aspNetRegex.exec(input))) {
-            sign = (match[1] === '-') ? -1 : 1;
+        } else if ((match = aspNetRegex.exec(input))) {
+            sign = match[1] === '-' ? -1 : 1;
             duration = {
-                y  : 0,
-                d  : toInt(match[DATE])        * sign,
-                h  : toInt(match[HOUR])        * sign,
-                m  : toInt(match[MINUTE])      * sign,
-                s  : toInt(match[SECOND])      * sign,
-                ms : toInt(match[MILLISECOND]) * sign
+                y: 0,
+                d: toInt(match[DATE]) * sign,
+                h: toInt(match[HOUR]) * sign,
+                m: toInt(match[MINUTE]) * sign,
+                s: toInt(match[SECOND]) * sign,
+                ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match
             };
-        } else if (!!(match = create__isoRegex.exec(input))) {
-            sign = (match[1] === '-') ? -1 : 1;
+        } else if ((match = isoRegex.exec(input))) {
+            sign = match[1] === '-' ? -1 : 1;
             duration = {
-                y : parseIso(match[2], sign),
-                M : parseIso(match[3], sign),
-                d : parseIso(match[4], sign),
-                h : parseIso(match[5], sign),
-                m : parseIso(match[6], sign),
-                s : parseIso(match[7], sign),
-                w : parseIso(match[8], sign)
+                y: parseIso(match[2], sign),
+                M: parseIso(match[3], sign),
+                w: parseIso(match[4], sign),
+                d: parseIso(match[5], sign),
+                h: parseIso(match[6], sign),
+                m: parseIso(match[7], sign),
+                s: parseIso(match[8], sign),
             };
-        } else if (duration == null) {// checks for null or undefined
+        } else if (duration == null) {
+            // checks for null or undefined
             duration = {};
-        } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
-            diffRes = momentsDifference(local__createLocal(duration.from), local__createLocal(duration.to));
+        } else if (
+            typeof duration === 'object' &&
+            ('from' in duration || 'to' in duration)
+        ) {
+            diffRes = momentsDifference(
+                createLocal(duration.from),
+                createLocal(duration.to)
+            );
 
             duration = {};
             duration.ms = diffRes.milliseconds;
@@ -1712,12 +3525,17 @@
             ret._locale = input._locale;
         }
 
+        if (isDuration(input) && hasOwnProp(input, '_isValid')) {
+            ret._isValid = input._isValid;
+        }
+
         return ret;
     }
 
-    create__createDuration.fn = Duration.prototype;
+    createDuration.fn = Duration.prototype;
+    createDuration.invalid = createInvalid$1;
 
-    function parseIso (inp, sign) {
+    function parseIso(inp, sign) {
         // We'd normally use ~~inp for this, but unfortunately it also
         // converts floats to ints.
         // inp may be undefined, so careful calling replace on it.
@@ -1727,21 +3545,25 @@
     }
 
     function positiveMomentsDifference(base, other) {
-        var res = {milliseconds: 0, months: 0};
+        var res = {};
 
-        res.months = other.month() - base.month() +
-            (other.year() - base.year()) * 12;
+        res.months =
+            other.month() - base.month() + (other.year() - base.year()) * 12;
         if (base.clone().add(res.months, 'M').isAfter(other)) {
             --res.months;
         }
 
-        res.milliseconds = +other - +(base.clone().add(res.months, 'M'));
+        res.milliseconds = +other - +base.clone().add(res.months, 'M');
 
         return res;
     }
 
     function momentsDifference(base, other) {
         var res;
+        if (!(base.isValid() && other.isValid())) {
+            return { milliseconds: 0, months: 0 };
+        }
+
         other = cloneWithOffset(other, base);
         if (base.isBefore(other)) {
             res = positiveMomentsDifference(base, other);
@@ -1754,144 +3576,335 @@
         return res;
     }
 
+    // TODO: remove 'name' arg after deprecation is removed
     function createAdder(direction, name) {
         return function (val, period) {
             var dur, tmp;
             //invert the arguments, but complain about it
             if (period !== null && !isNaN(+period)) {
-                deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period).');
-                tmp = val; val = period; period = tmp;
+                deprecateSimple(
+                    name,
+                    'moment().' +
+                        name +
+                        '(period, number) is deprecated. Please use moment().' +
+                        name +
+                        '(number, period). ' +
+                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'
+                );
+                tmp = val;
+                val = period;
+                period = tmp;
             }
 
-            val = typeof val === 'string' ? +val : val;
-            dur = create__createDuration(val, period);
-            add_subtract__addSubtract(this, dur, direction);
+            dur = createDuration(val, period);
+            addSubtract(this, dur, direction);
             return this;
         };
     }
 
-    function add_subtract__addSubtract (mom, duration, isAdding, updateOffset) {
+    function addSubtract(mom, duration, isAdding, updateOffset) {
         var milliseconds = duration._milliseconds,
-            days = duration._days,
-            months = duration._months;
+            days = absRound(duration._days),
+            months = absRound(duration._months);
+
+        if (!mom.isValid()) {
+            // No op
+            return;
+        }
+
         updateOffset = updateOffset == null ? true : updateOffset;
 
-        if (milliseconds) {
-            mom._d.setTime(+mom._d + milliseconds * isAdding);
+        if (months) {
+            setMonth(mom, get(mom, 'Month') + months * isAdding);
         }
         if (days) {
-            get_set__set(mom, 'Date', get_set__get(mom, 'Date') + days * isAdding);
+            set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);
         }
-        if (months) {
-            setMonth(mom, get_set__get(mom, 'Month') + months * isAdding);
+        if (milliseconds) {
+            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
         }
         if (updateOffset) {
-            utils_hooks__hooks.updateOffset(mom, days || months);
+            hooks.updateOffset(mom, days || months);
+        }
+    }
+
+    var add = createAdder(1, 'add'),
+        subtract = createAdder(-1, 'subtract');
+
+    function isString(input) {
+        return typeof input === 'string' || input instanceof String;
+    }
+
+    // type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined
+    function isMomentInput(input) {
+        return (
+            isMoment(input) ||
+            isDate(input) ||
+            isString(input) ||
+            isNumber(input) ||
+            isNumberOrStringArray(input) ||
+            isMomentInputObject(input) ||
+            input === null ||
+            input === undefined
+        );
+    }
+
+    function isMomentInputObject(input) {
+        var objectTest = isObject(input) && !isObjectEmpty(input),
+            propertyTest = false,
+            properties = [
+                'years',
+                'year',
+                'y',
+                'months',
+                'month',
+                'M',
+                'days',
+                'day',
+                'd',
+                'dates',
+                'date',
+                'D',
+                'hours',
+                'hour',
+                'h',
+                'minutes',
+                'minute',
+                'm',
+                'seconds',
+                'second',
+                's',
+                'milliseconds',
+                'millisecond',
+                'ms',
+            ],
+            i,
+            property,
+            propertyLen = properties.length;
+
+        for (i = 0; i < propertyLen; i += 1) {
+            property = properties[i];
+            propertyTest = propertyTest || hasOwnProp(input, property);
         }
+
+        return objectTest && propertyTest;
     }
 
-    var add_subtract__add      = createAdder(1, 'add');
-    var add_subtract__subtract = createAdder(-1, 'subtract');
+    function isNumberOrStringArray(input) {
+        var arrayTest = isArray(input),
+            dataTypeTest = false;
+        if (arrayTest) {
+            dataTypeTest =
+                input.filter(function (item) {
+                    return !isNumber(item) && isString(input);
+                }).length === 0;
+        }
+        return arrayTest && dataTypeTest;
+    }
 
-    function moment_calendar__calendar (time) {
+    function isCalendarSpec(input) {
+        var objectTest = isObject(input) && !isObjectEmpty(input),
+            propertyTest = false,
+            properties = [
+                'sameDay',
+                'nextDay',
+                'lastDay',
+                'nextWeek',
+                'lastWeek',
+                'sameElse',
+            ],
+            i,
+            property;
+
+        for (i = 0; i < properties.length; i += 1) {
+            property = properties[i];
+            propertyTest = propertyTest || hasOwnProp(input, property);
+        }
+
+        return objectTest && propertyTest;
+    }
+
+    function getCalendarFormat(myMoment, now) {
+        var diff = myMoment.diff(now, 'days', true);
+        return diff < -6
+            ? 'sameElse'
+            : diff < -1
+            ? 'lastWeek'
+            : diff < 0
+            ? 'lastDay'
+            : diff < 1
+            ? 'sameDay'
+            : diff < 2
+            ? 'nextDay'
+            : diff < 7
+            ? 'nextWeek'
+            : 'sameElse';
+    }
+
+    function calendar$1(time, formats) {
+        // Support for single parameter, formats only overload to the calendar function
+        if (arguments.length === 1) {
+            if (!arguments[0]) {
+                time = undefined;
+                formats = undefined;
+            } else if (isMomentInput(arguments[0])) {
+                time = arguments[0];
+                formats = undefined;
+            } else if (isCalendarSpec(arguments[0])) {
+                formats = arguments[0];
+                time = undefined;
+            }
+        }
         // We want to compare the start of today, vs this.
         // Getting start-of-today depends on whether we're local/utc/offset or not.
-        var now = time || local__createLocal(),
+        var now = time || createLocal(),
             sod = cloneWithOffset(now, this).startOf('day'),
-            diff = this.diff(sod, 'days', true),
-            format = diff < -6 ? 'sameElse' :
-                diff < -1 ? 'lastWeek' :
-                diff < 0 ? 'lastDay' :
-                diff < 1 ? 'sameDay' :
-                diff < 2 ? 'nextDay' :
-                diff < 7 ? 'nextWeek' : 'sameElse';
-        return this.format(this.localeData().calendar(format, this, local__createLocal(now)));
+            format = hooks.calendarFormat(this, sod) || 'sameElse',
+            output =
+                formats &&
+                (isFunction(formats[format])
+                    ? formats[format].call(this, now)
+                    : formats[format]);
+
+        return this.format(
+            output || this.localeData().calendar(format, this, createLocal(now))
+        );
     }
 
-    function clone () {
+    function clone() {
         return new Moment(this);
     }
 
-    function isAfter (input, units) {
-        var inputMs;
-        units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');
+    function isAfter(input, units) {
+        var localInput = isMoment(input) ? input : createLocal(input);
+        if (!(this.isValid() && localInput.isValid())) {
+            return false;
+        }
+        units = normalizeUnits(units) || 'millisecond';
         if (units === 'millisecond') {
-            input = isMoment(input) ? input : local__createLocal(input);
-            return +this > +input;
+            return this.valueOf() > localInput.valueOf();
         } else {
-            inputMs = isMoment(input) ? +input : +local__createLocal(input);
-            return inputMs < +this.clone().startOf(units);
+            return localInput.valueOf() < this.clone().startOf(units).valueOf();
         }
     }
 
-    function isBefore (input, units) {
-        var inputMs;
-        units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');
+    function isBefore(input, units) {
+        var localInput = isMoment(input) ? input : createLocal(input);
+        if (!(this.isValid() && localInput.isValid())) {
+            return false;
+        }
+        units = normalizeUnits(units) || 'millisecond';
         if (units === 'millisecond') {
-            input = isMoment(input) ? input : local__createLocal(input);
-            return +this < +input;
+            return this.valueOf() < localInput.valueOf();
         } else {
-            inputMs = isMoment(input) ? +input : +local__createLocal(input);
-            return +this.clone().endOf(units) < inputMs;
+            return this.clone().endOf(units).valueOf() < localInput.valueOf();
         }
     }
 
-    function isBetween (from, to, units) {
-        return this.isAfter(from, units) && this.isBefore(to, units);
+    function isBetween(from, to, units, inclusivity) {
+        var localFrom = isMoment(from) ? from : createLocal(from),
+            localTo = isMoment(to) ? to : createLocal(to);
+        if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) {
+            return false;
+        }
+        inclusivity = inclusivity || '()';
+        return (
+            (inclusivity[0] === '('
+                ? this.isAfter(localFrom, units)
+                : !this.isBefore(localFrom, units)) &&
+            (inclusivity[1] === ')'
+                ? this.isBefore(localTo, units)
+                : !this.isAfter(localTo, units))
+        );
     }
 
-    function isSame (input, units) {
-        var inputMs;
-        units = normalizeUnits(units || 'millisecond');
+    function isSame(input, units) {
+        var localInput = isMoment(input) ? input : createLocal(input),
+            inputMs;
+        if (!(this.isValid() && localInput.isValid())) {
+            return false;
+        }
+        units = normalizeUnits(units) || 'millisecond';
         if (units === 'millisecond') {
-            input = isMoment(input) ? input : local__createLocal(input);
-            return +this === +input;
+            return this.valueOf() === localInput.valueOf();
         } else {
-            inputMs = +local__createLocal(input);
-            return +(this.clone().startOf(units)) <= inputMs && inputMs <= +(this.clone().endOf(units));
+            inputMs = localInput.valueOf();
+            return (
+                this.clone().startOf(units).valueOf() <= inputMs &&
+                inputMs <= this.clone().endOf(units).valueOf()
+            );
         }
     }
 
-    function absFloor (number) {
-        if (number < 0) {
-            return Math.ceil(number);
-        } else {
-            return Math.floor(number);
-        }
+    function isSameOrAfter(input, units) {
+        return this.isSame(input, units) || this.isAfter(input, units);
+    }
+
+    function isSameOrBefore(input, units) {
+        return this.isSame(input, units) || this.isBefore(input, units);
     }
 
-    function diff (input, units, asFloat) {
-        var that = cloneWithOffset(input, this),
-            zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4,
-            delta, output;
+    function diff(input, units, asFloat) {
+        var that, zoneDelta, output;
+
+        if (!this.isValid()) {
+            return NaN;
+        }
+
+        that = cloneWithOffset(input, this);
+
+        if (!that.isValid()) {
+            return NaN;
+        }
+
+        zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;
 
         units = normalizeUnits(units);
 
-        if (units === 'year' || units === 'month' || units === 'quarter') {
-            output = monthDiff(this, that);
-            if (units === 'quarter') {
-                output = output / 3;
-            } else if (units === 'year') {
-                output = output / 12;
-            }
-        } else {
-            delta = this - that;
-            output = units === 'second' ? delta / 1e3 : // 1000
-                units === 'minute' ? delta / 6e4 : // 1000 * 60
-                units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60
-                units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
-                units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
-                delta;
+        switch (units) {
+            case 'year':
+                output = monthDiff(this, that) / 12;
+                break;
+            case 'month':
+                output = monthDiff(this, that);
+                break;
+            case 'quarter':
+                output = monthDiff(this, that) / 3;
+                break;
+            case 'second':
+                output = (this - that) / 1e3;
+                break; // 1000
+            case 'minute':
+                output = (this - that) / 6e4;
+                break; // 1000 * 60
+            case 'hour':
+                output = (this - that) / 36e5;
+                break; // 1000 * 60 * 60
+            case 'day':
+                output = (this - that - zoneDelta) / 864e5;
+                break; // 1000 * 60 * 60 * 24, negate dst
+            case 'week':
+                output = (this - that - zoneDelta) / 6048e5;
+                break; // 1000 * 60 * 60 * 24 * 7, negate dst
+            default:
+                output = this - that;
         }
+
         return asFloat ? output : absFloor(output);
     }
 
-    function monthDiff (a, b) {
+    function monthDiff(a, b) {
+        if (a.date() < b.date()) {
+            // end-of-month calculations work correct when the start month has more
+            // days than the end month.
+            return -monthDiff(b, a);
+        }
         // difference in months
-        var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
+        var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()),
             // b is in (anchor - 1 month, anchor + 1 month)
             anchor = a.clone().add(wholeMonthDiff, 'months'),
-            anchor2, adjust;
+            anchor2,
+            adjust;
 
         if (b - anchor < 0) {
             anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
@@ -1903,49 +3916,129 @@
             adjust = (b - anchor) / (anchor2 - anchor);
         }
 
-        return -(wholeMonthDiff + adjust);
+        //check for negative zero, return zero if negative zero
+        return -(wholeMonthDiff + adjust) || 0;
     }
 
-    utils_hooks__hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
+    hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
+    hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';
 
-    function toString () {
+    function toString() {
         return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
     }
 
-    function moment_format__toISOString () {
-        var m = this.clone().utc();
-        if (0 < m.year() && m.year() <= 9999) {
-            if ('function' === typeof Date.prototype.toISOString) {
-                // native implementation is ~50x faster, use it when we can
+    function toISOString(keepOffset) {
+        if (!this.isValid()) {
+            return null;
+        }
+        var utc = keepOffset !== true,
+            m = utc ? this.clone().utc() : this;
+        if (m.year() < 0 || m.year() > 9999) {
+            return formatMoment(
+                m,
+                utc
+                    ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]'
+                    : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'
+            );
+        }
+        if (isFunction(Date.prototype.toISOString)) {
+            // native implementation is ~50x faster, use it when we can
+            if (utc) {
                 return this.toDate().toISOString();
             } else {
-                return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
+                return new Date(this.valueOf() + this.utcOffset() * 60 * 1000)
+                    .toISOString()
+                    .replace('Z', formatMoment(m, 'Z'));
             }
-        } else {
-            return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
         }
+        return formatMoment(
+            m,
+            utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'
+        );
     }
 
-    function format (inputString) {
-        var output = formatMoment(this, inputString || utils_hooks__hooks.defaultFormat);
+    /**
+     * Return a human readable representation of a moment that can
+     * also be evaluated to get a new moment which is the same
+     *
+     * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
+     */
+    function inspect() {
+        if (!this.isValid()) {
+            return 'moment.invalid(/* ' + this._i + ' */)';
+        }
+        var func = 'moment',
+            zone = '',
+            prefix,
+            year,
+            datetime,
+            suffix;
+        if (!this.isLocal()) {
+            func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';
+            zone = 'Z';
+        }
+        prefix = '[' + func + '("]';
+        year = 0 <= this.year() && this.year() <= 9999 ? 'YYYY' : 'YYYYYY';
+        datetime = '-MM-DD[T]HH:mm:ss.SSS';
+        suffix = zone + '[")]';
+
+        return this.format(prefix + year + datetime + suffix);
+    }
+
+    function format(inputString) {
+        if (!inputString) {
+            inputString = this.isUtc()
+                ? hooks.defaultFormatUtc
+                : hooks.defaultFormat;
+        }
+        var output = formatMoment(this, inputString);
         return this.localeData().postformat(output);
     }
 
-    function from (time, withoutSuffix) {
-        return create__createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
+    function from(time, withoutSuffix) {
+        if (
+            this.isValid() &&
+            ((isMoment(time) && time.isValid()) || createLocal(time).isValid())
+        ) {
+            return createDuration({ to: this, from: time })
+                .locale(this.locale())
+                .humanize(!withoutSuffix);
+        } else {
+            return this.localeData().invalidDate();
+        }
+    }
+
+    function fromNow(withoutSuffix) {
+        return this.from(createLocal(), withoutSuffix);
+    }
+
+    function to(time, withoutSuffix) {
+        if (
+            this.isValid() &&
+            ((isMoment(time) && time.isValid()) || createLocal(time).isValid())
+        ) {
+            return createDuration({ from: this, to: time })
+                .locale(this.locale())
+                .humanize(!withoutSuffix);
+        } else {
+            return this.localeData().invalidDate();
+        }
     }
 
-    function fromNow (withoutSuffix) {
-        return this.from(local__createLocal(), withoutSuffix);
+    function toNow(withoutSuffix) {
+        return this.to(createLocal(), withoutSuffix);
     }
 
-    function locale (key) {
+    // If passed a locale key, it will set the locale for this
+    // instance.  Otherwise, it will return the locale configuration
+    // variables for this instance.
+    function locale(key) {
         var newLocaleData;
 
         if (key === undefined) {
             return this._locale._abbr;
         } else {
-            newLocaleData = locale_locales__getLocale(key);
+            newLocaleData = getLocale(key);
             if (newLocaleData != null) {
                 this._locale = newLocaleData;
             }
@@ -1964,391 +4057,722 @@
         }
     );
 
-    function localeData () {
+    function localeData() {
         return this._locale;
     }
 
-    function startOf (units) {
+    var MS_PER_SECOND = 1000,
+        MS_PER_MINUTE = 60 * MS_PER_SECOND,
+        MS_PER_HOUR = 60 * MS_PER_MINUTE,
+        MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR;
+
+    // actual modulo - handles negative numbers (for dates before 1970):
+    function mod$1(dividend, divisor) {
+        return ((dividend % divisor) + divisor) % divisor;
+    }
+
+    function localStartOfDate(y, m, d) {
+        // the date constructor remaps years 0-99 to 1900-1999
+        if (y < 100 && y >= 0) {
+            // preserve leap years using a full 400 year cycle, then reset
+            return new Date(y + 400, m, d) - MS_PER_400_YEARS;
+        } else {
+            return new Date(y, m, d).valueOf();
+        }
+    }
+
+    function utcStartOfDate(y, m, d) {
+        // Date.UTC remaps years 0-99 to 1900-1999
+        if (y < 100 && y >= 0) {
+            // preserve leap years using a full 400 year cycle, then reset
+            return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS;
+        } else {
+            return Date.UTC(y, m, d);
+        }
+    }
+
+    function startOf(units) {
+        var time, startOfDate;
         units = normalizeUnits(units);
-        // the following switch intentionally omits break keywords
-        // to utilize falling through the cases.
-        switch (units) {
-        case 'year':
-            this.month(0);
-            /* falls through */
-        case 'quarter':
-        case 'month':
-            this.date(1);
-            /* falls through */
-        case 'week':
-        case 'isoWeek':
-        case 'day':
-            this.hours(0);
-            /* falls through */
-        case 'hour':
-            this.minutes(0);
-            /* falls through */
-        case 'minute':
-            this.seconds(0);
-            /* falls through */
-        case 'second':
-            this.milliseconds(0);
-        }
-
-        // weeks are a special case
-        if (units === 'week') {
-            this.weekday(0);
-        }
-        if (units === 'isoWeek') {
-            this.isoWeekday(1);
-        }
-
-        // quarters are also special
-        if (units === 'quarter') {
-            this.month(Math.floor(this.month() / 3) * 3);
+        if (units === undefined || units === 'millisecond' || !this.isValid()) {
+            return this;
         }
 
+        startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;
+
+        switch (units) {
+            case 'year':
+                time = startOfDate(this.year(), 0, 1);
+                break;
+            case 'quarter':
+                time = startOfDate(
+                    this.year(),
+                    this.month() - (this.month() % 3),
+                    1
+                );
+                break;
+            case 'month':
+                time = startOfDate(this.year(), this.month(), 1);
+                break;
+            case 'week':
+                time = startOfDate(
+                    this.year(),
+                    this.month(),
+                    this.date() - this.weekday()
+                );
+                break;
+            case 'isoWeek':
+                time = startOfDate(
+                    this.year(),
+                    this.month(),
+                    this.date() - (this.isoWeekday() - 1)
+                );
+                break;
+            case 'day':
+            case 'date':
+                time = startOfDate(this.year(), this.month(), this.date());
+                break;
+            case 'hour':
+                time = this._d.valueOf();
+                time -= mod$1(
+                    time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),
+                    MS_PER_HOUR
+                );
+                break;
+            case 'minute':
+                time = this._d.valueOf();
+                time -= mod$1(time, MS_PER_MINUTE);
+                break;
+            case 'second':
+                time = this._d.valueOf();
+                time -= mod$1(time, MS_PER_SECOND);
+                break;
+        }
+
+        this._d.setTime(time);
+        hooks.updateOffset(this, true);
         return this;
     }
 
-    function endOf (units) {
+    function endOf(units) {
+        var time, startOfDate;
         units = normalizeUnits(units);
-        if (units === undefined || units === 'millisecond') {
+        if (units === undefined || units === 'millisecond' || !this.isValid()) {
             return this;
         }
-        return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
+
+        startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;
+
+        switch (units) {
+            case 'year':
+                time = startOfDate(this.year() + 1, 0, 1) - 1;
+                break;
+            case 'quarter':
+                time =
+                    startOfDate(
+                        this.year(),
+                        this.month() - (this.month() % 3) + 3,
+                        1
+                    ) - 1;
+                break;
+            case 'month':
+                time = startOfDate(this.year(), this.month() + 1, 1) - 1;
+                break;
+            case 'week':
+                time =
+                    startOfDate(
+                        this.year(),
+                        this.month(),
+                        this.date() - this.weekday() + 7
+                    ) - 1;
+                break;
+            case 'isoWeek':
+                time =
+                    startOfDate(
+                        this.year(),
+                        this.month(),
+                        this.date() - (this.isoWeekday() - 1) + 7
+                    ) - 1;
+                break;
+            case 'day':
+            case 'date':
+                time = startOfDate(this.year(), this.month(), this.date() + 1) - 1;
+                break;
+            case 'hour':
+                time = this._d.valueOf();
+                time +=
+                    MS_PER_HOUR -
+                    mod$1(
+                        time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),
+                        MS_PER_HOUR
+                    ) -
+                    1;
+                break;
+            case 'minute':
+                time = this._d.valueOf();
+                time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1;
+                break;
+            case 'second':
+                time = this._d.valueOf();
+                time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1;
+                break;
+        }
+
+        this._d.setTime(time);
+        hooks.updateOffset(this, true);
+        return this;
     }
 
-    function to_type__valueOf () {
-        return +this._d - ((this._offset || 0) * 60000);
+    function valueOf() {
+        return this._d.valueOf() - (this._offset || 0) * 60000;
     }
 
-    function unix () {
-        return Math.floor(+this / 1000);
+    function unix() {
+        return Math.floor(this.valueOf() / 1000);
     }
 
-    function toDate () {
-        return this._offset ? new Date(+this) : this._d;
+    function toDate() {
+        return new Date(this.valueOf());
     }
 
-    function toArray () {
+    function toArray() {
+        var m = this;
+        return [
+            m.year(),
+            m.month(),
+            m.date(),
+            m.hour(),
+            m.minute(),
+            m.second(),
+            m.millisecond(),
+        ];
+    }
+
+    function toObject() {
         var m = this;
-        return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
+        return {
+            years: m.year(),
+            months: m.month(),
+            date: m.date(),
+            hours: m.hours(),
+            minutes: m.minutes(),
+            seconds: m.seconds(),
+            milliseconds: m.milliseconds(),
+        };
     }
 
-    function moment_valid__isValid () {
-        return valid__isValid(this);
+    function toJSON() {
+        // new Date(NaN).toJSON() === null
+        return this.isValid() ? this.toISOString() : null;
     }
 
-    function parsingFlags () {
-        return extend({}, this._pf);
+    function isValid$2() {
+        return isValid(this);
     }
 
-    function invalidAt () {
-        return this._pf.overflow;
+    function parsingFlags() {
+        return extend({}, getParsingFlags(this));
     }
 
-    addFormatToken(0, ['gg', 2], 0, function () {
-        return this.weekYear() % 100;
-    });
-
-    addFormatToken(0, ['GG', 2], 0, function () {
-        return this.isoWeekYear() % 100;
-    });
-
-    function addWeekYearFormatToken (token, getter) {
-        addFormatToken(0, [token, token.length], 0, getter);
+    function invalidAt() {
+        return getParsingFlags(this).overflow;
     }
 
-    addWeekYearFormatToken('gggg',     'weekYear');
-    addWeekYearFormatToken('ggggg',    'weekYear');
-    addWeekYearFormatToken('GGGG',  'isoWeekYear');
-    addWeekYearFormatToken('GGGGG', 'isoWeekYear');
+    function creationData() {
+        return {
+            input: this._i,
+            format: this._f,
+            locale: this._locale,
+            isUTC: this._isUTC,
+            strict: this._strict,
+        };
+    }
 
-    // ALIASES
+    addFormatToken('N', 0, 0, 'eraAbbr');
+    addFormatToken('NN', 0, 0, 'eraAbbr');
+    addFormatToken('NNN', 0, 0, 'eraAbbr');
+    addFormatToken('NNNN', 0, 0, 'eraName');
+    addFormatToken('NNNNN', 0, 0, 'eraNarrow');
+
+    addFormatToken('y', ['y', 1], 'yo', 'eraYear');
+    addFormatToken('y', ['yy', 2], 0, 'eraYear');
+    addFormatToken('y', ['yyy', 3], 0, 'eraYear');
+    addFormatToken('y', ['yyyy', 4], 0, 'eraYear');
+
+    addRegexToken('N', matchEraAbbr);
+    addRegexToken('NN', matchEraAbbr);
+    addRegexToken('NNN', matchEraAbbr);
+    addRegexToken('NNNN', matchEraName);
+    addRegexToken('NNNNN', matchEraNarrow);
+
+    addParseToken(
+        ['N', 'NN', 'NNN', 'NNNN', 'NNNNN'],
+        function (input, array, config, token) {
+            var era = config._locale.erasParse(input, token, config._strict);
+            if (era) {
+                getParsingFlags(config).era = era;
+            } else {
+                getParsingFlags(config).invalidEra = input;
+            }
+        }
+    );
 
-    addUnitAlias('weekYear', 'gg');
-    addUnitAlias('isoWeekYear', 'GG');
+    addRegexToken('y', matchUnsigned);
+    addRegexToken('yy', matchUnsigned);
+    addRegexToken('yyy', matchUnsigned);
+    addRegexToken('yyyy', matchUnsigned);
+    addRegexToken('yo', matchEraYearOrdinal);
 
-    // PARSING
+    addParseToken(['y', 'yy', 'yyy', 'yyyy'], YEAR);
+    addParseToken(['yo'], function (input, array, config, token) {
+        var match;
+        if (config._locale._eraYearOrdinalRegex) {
+            match = input.match(config._locale._eraYearOrdinalRegex);
+        }
 
-    addRegexToken('G',      matchSigned);
-    addRegexToken('g',      matchSigned);
-    addRegexToken('GG',     match1to2, match2);
-    addRegexToken('gg',     match1to2, match2);
-    addRegexToken('GGGG',   match1to4, match4);
-    addRegexToken('gggg',   match1to4, match4);
-    addRegexToken('GGGGG',  match1to6, match6);
-    addRegexToken('ggggg',  match1to6, match6);
-
-    addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
-        week[token.substr(0, 2)] = toInt(input);
+        if (config._locale.eraYearOrdinalParse) {
+            array[YEAR] = config._locale.eraYearOrdinalParse(input, match);
+        } else {
+            array[YEAR] = parseInt(input, 10);
+        }
     });
 
-    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
-        week[token] = utils_hooks__hooks.parseTwoDigitYear(input);
-    });
+    function localeEras(m, format) {
+        var i,
+            l,
+            date,
+            eras = this._eras || getLocale('en')._eras;
+        for (i = 0, l = eras.length; i < l; ++i) {
+            switch (typeof eras[i].since) {
+                case 'string':
+                    // truncate time
+                    date = hooks(eras[i].since).startOf('day');
+                    eras[i].since = date.valueOf();
+                    break;
+            }
 
-    // HELPERS
+            switch (typeof eras[i].until) {
+                case 'undefined':
+                    eras[i].until = +Infinity;
+                    break;
+                case 'string':
+                    // truncate time
+                    date = hooks(eras[i].until).startOf('day').valueOf();
+                    eras[i].until = date.valueOf();
+                    break;
+            }
+        }
+        return eras;
+    }
+
+    function localeErasParse(eraName, format, strict) {
+        var i,
+            l,
+            eras = this.eras(),
+            name,
+            abbr,
+            narrow;
+        eraName = eraName.toUpperCase();
+
+        for (i = 0, l = eras.length; i < l; ++i) {
+            name = eras[i].name.toUpperCase();
+            abbr = eras[i].abbr.toUpperCase();
+            narrow = eras[i].narrow.toUpperCase();
+
+            if (strict) {
+                switch (format) {
+                    case 'N':
+                    case 'NN':
+                    case 'NNN':
+                        if (abbr === eraName) {
+                            return eras[i];
+                        }
+                        break;
+
+                    case 'NNNN':
+                        if (name === eraName) {
+                            return eras[i];
+                        }
+                        break;
+
+                    case 'NNNNN':
+                        if (narrow === eraName) {
+                            return eras[i];
+                        }
+                        break;
+                }
+            } else if ([name, abbr, narrow].indexOf(eraName) >= 0) {
+                return eras[i];
+            }
+        }
+    }
 
-    function weeksInYear(year, dow, doy) {
-        return weekOfYear(local__createLocal([year, 11, 31 + dow - doy]), dow, doy).week;
+    function localeErasConvertYear(era, year) {
+        var dir = era.since <= era.until ? +1 : -1;
+        if (year === undefined) {
+            return hooks(era.since).year();
+        } else {
+            return hooks(era.since).year() + (year - era.offset) * dir;
+        }
     }
 
-    // MOMENTS
+    function getEraName() {
+        var i,
+            l,
+            val,
+            eras = this.localeData().eras();
+        for (i = 0, l = eras.length; i < l; ++i) {
+            // truncate time
+            val = this.clone().startOf('day').valueOf();
 
-    function getSetWeekYear (input) {
-        var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;
-        return input == null ? year : this.add((input - year), 'y');
-    }
+            if (eras[i].since <= val && val <= eras[i].until) {
+                return eras[i].name;
+            }
+            if (eras[i].until <= val && val <= eras[i].since) {
+                return eras[i].name;
+            }
+        }
 
-    function getSetISOWeekYear (input) {
-        var year = weekOfYear(this, 1, 4).year;
-        return input == null ? year : this.add((input - year), 'y');
+        return '';
     }
 
-    function getISOWeeksInYear () {
-        return weeksInYear(this.year(), 1, 4);
+    function getEraNarrow() {
+        var i,
+            l,
+            val,
+            eras = this.localeData().eras();
+        for (i = 0, l = eras.length; i < l; ++i) {
+            // truncate time
+            val = this.clone().startOf('day').valueOf();
+
+            if (eras[i].since <= val && val <= eras[i].until) {
+                return eras[i].narrow;
+            }
+            if (eras[i].until <= val && val <= eras[i].since) {
+                return eras[i].narrow;
+            }
+        }
+
+        return '';
     }
 
-    function getWeeksInYear () {
-        var weekInfo = this.localeData()._week;
-        return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
+    function getEraAbbr() {
+        var i,
+            l,
+            val,
+            eras = this.localeData().eras();
+        for (i = 0, l = eras.length; i < l; ++i) {
+            // truncate time
+            val = this.clone().startOf('day').valueOf();
+
+            if (eras[i].since <= val && val <= eras[i].until) {
+                return eras[i].abbr;
+            }
+            if (eras[i].until <= val && val <= eras[i].since) {
+                return eras[i].abbr;
+            }
+        }
+
+        return '';
     }
 
-    addFormatToken('Q', 0, 0, 'quarter');
+    function getEraYear() {
+        var i,
+            l,
+            dir,
+            val,
+            eras = this.localeData().eras();
+        for (i = 0, l = eras.length; i < l; ++i) {
+            dir = eras[i].since <= eras[i].until ? +1 : -1;
 
-    // ALIASES
+            // truncate time
+            val = this.clone().startOf('day').valueOf();
 
-    addUnitAlias('quarter', 'Q');
+            if (
+                (eras[i].since <= val && val <= eras[i].until) ||
+                (eras[i].until <= val && val <= eras[i].since)
+            ) {
+                return (
+                    (this.year() - hooks(eras[i].since).year()) * dir +
+                    eras[i].offset
+                );
+            }
+        }
 
-    // PARSING
+        return this.year();
+    }
 
-    addRegexToken('Q', match1);
-    addParseToken('Q', function (input, array) {
-        array[MONTH] = (toInt(input) - 1) * 3;
-    });
+    function erasNameRegex(isStrict) {
+        if (!hasOwnProp(this, '_erasNameRegex')) {
+            computeErasParse.call(this);
+        }
+        return isStrict ? this._erasNameRegex : this._erasRegex;
+    }
 
-    // MOMENTS
+    function erasAbbrRegex(isStrict) {
+        if (!hasOwnProp(this, '_erasAbbrRegex')) {
+            computeErasParse.call(this);
+        }
+        return isStrict ? this._erasAbbrRegex : this._erasRegex;
+    }
 
-    function getSetQuarter (input) {
-        return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
+    function erasNarrowRegex(isStrict) {
+        if (!hasOwnProp(this, '_erasNarrowRegex')) {
+            computeErasParse.call(this);
+        }
+        return isStrict ? this._erasNarrowRegex : this._erasRegex;
     }
 
-    addFormatToken('D', ['DD', 2], 'Do', 'date');
+    function matchEraAbbr(isStrict, locale) {
+        return locale.erasAbbrRegex(isStrict);
+    }
 
-    // ALIASES
+    function matchEraName(isStrict, locale) {
+        return locale.erasNameRegex(isStrict);
+    }
 
-    addUnitAlias('date', 'D');
+    function matchEraNarrow(isStrict, locale) {
+        return locale.erasNarrowRegex(isStrict);
+    }
 
-    // PARSING
+    function matchEraYearOrdinal(isStrict, locale) {
+        return locale._eraYearOrdinalRegex || matchUnsigned;
+    }
 
-    addRegexToken('D',  match1to2);
-    addRegexToken('DD', match1to2, match2);
-    addRegexToken('Do', function (isStrict, locale) {
-        return isStrict ? locale._ordinalParse : locale._ordinalParseLenient;
-    });
+    function computeErasParse() {
+        var abbrPieces = [],
+            namePieces = [],
+            narrowPieces = [],
+            mixedPieces = [],
+            i,
+            l,
+            eras = this.eras();
 
-    addParseToken(['D', 'DD'], DATE);
-    addParseToken('Do', function (input, array) {
-        array[DATE] = toInt(input.match(match1to2)[0], 10);
-    });
+        for (i = 0, l = eras.length; i < l; ++i) {
+            namePieces.push(regexEscape(eras[i].name));
+            abbrPieces.push(regexEscape(eras[i].abbr));
+            narrowPieces.push(regexEscape(eras[i].narrow));
 
-    // MOMENTS
+            mixedPieces.push(regexEscape(eras[i].name));
+            mixedPieces.push(regexEscape(eras[i].abbr));
+            mixedPieces.push(regexEscape(eras[i].narrow));
+        }
 
-    var getSetDayOfMonth = makeGetSet('Date', true);
+        this._erasRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
+        this._erasNameRegex = new RegExp('^(' + namePieces.join('|') + ')', 'i');
+        this._erasAbbrRegex = new RegExp('^(' + abbrPieces.join('|') + ')', 'i');
+        this._erasNarrowRegex = new RegExp(
+            '^(' + narrowPieces.join('|') + ')',
+            'i'
+        );
+    }
 
-    addFormatToken('d', 0, 'do', 'day');
+    // FORMATTING
 
-    addFormatToken('dd', 0, 0, function (format) {
-        return this.localeData().weekdaysMin(this, format);
+    addFormatToken(0, ['gg', 2], 0, function () {
+        return this.weekYear() % 100;
     });
 
-    addFormatToken('ddd', 0, 0, function (format) {
-        return this.localeData().weekdaysShort(this, format);
+    addFormatToken(0, ['GG', 2], 0, function () {
+        return this.isoWeekYear() % 100;
     });
 
-    addFormatToken('dddd', 0, 0, function (format) {
-        return this.localeData().weekdays(this, format);
-    });
+    function addWeekYearFormatToken(token, getter) {
+        addFormatToken(0, [token, token.length], 0, getter);
+    }
 
-    addFormatToken('e', 0, 0, 'weekday');
-    addFormatToken('E', 0, 0, 'isoWeekday');
+    addWeekYearFormatToken('gggg', 'weekYear');
+    addWeekYearFormatToken('ggggg', 'weekYear');
+    addWeekYearFormatToken('GGGG', 'isoWeekYear');
+    addWeekYearFormatToken('GGGGG', 'isoWeekYear');
 
     // ALIASES
 
-    addUnitAlias('day', 'd');
-    addUnitAlias('weekday', 'e');
-    addUnitAlias('isoWeekday', 'E');
+    addUnitAlias('weekYear', 'gg');
+    addUnitAlias('isoWeekYear', 'GG');
+
+    // PRIORITY
+
+    addUnitPriority('weekYear', 1);
+    addUnitPriority('isoWeekYear', 1);
 
     // PARSING
 
-    addRegexToken('d',    match1to2);
-    addRegexToken('e',    match1to2);
-    addRegexToken('E',    match1to2);
-    addRegexToken('dd',   matchWord);
-    addRegexToken('ddd',  matchWord);
-    addRegexToken('dddd', matchWord);
+    addRegexToken('G', matchSigned);
+    addRegexToken('g', matchSigned);
+    addRegexToken('GG', match1to2, match2);
+    addRegexToken('gg', match1to2, match2);
+    addRegexToken('GGGG', match1to4, match4);
+    addRegexToken('gggg', match1to4, match4);
+    addRegexToken('GGGGG', match1to6, match6);
+    addRegexToken('ggggg', match1to6, match6);
 
-    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config) {
-        var weekday = config._locale.weekdaysParse(input);
-        // if we didn't get a weekday name, mark the date as invalid
-        if (weekday != null) {
-            week.d = weekday;
-        } else {
-            config._pf.invalidWeekday = input;
+    addWeekParseToken(
+        ['gggg', 'ggggg', 'GGGG', 'GGGGG'],
+        function (input, week, config, token) {
+            week[token.substr(0, 2)] = toInt(input);
         }
-    });
+    );
 
-    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
-        week[token] = toInt(input);
+    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
+        week[token] = hooks.parseTwoDigitYear(input);
     });
 
-    // HELPERS
+    // MOMENTS
 
-    function parseWeekday(input, locale) {
-        if (typeof input === 'string') {
-            if (!isNaN(input)) {
-                input = parseInt(input, 10);
-            }
-            else {
-                input = locale.weekdaysParse(input);
-                if (typeof input !== 'number') {
-                    return null;
-                }
-            }
-        }
-        return input;
+    function getSetWeekYear(input) {
+        return getSetWeekYearHelper.call(
+            this,
+            input,
+            this.week(),
+            this.weekday(),
+            this.localeData()._week.dow,
+            this.localeData()._week.doy
+        );
     }
 
-    // LOCALES
-
-    var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
-    function localeWeekdays (m) {
-        return this._weekdays[m.day()];
+    function getSetISOWeekYear(input) {
+        return getSetWeekYearHelper.call(
+            this,
+            input,
+            this.isoWeek(),
+            this.isoWeekday(),
+            1,
+            4
+        );
     }
 
-    var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
-    function localeWeekdaysShort (m) {
-        return this._weekdaysShort[m.day()];
+    function getISOWeeksInYear() {
+        return weeksInYear(this.year(), 1, 4);
     }
 
-    var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
-    function localeWeekdaysMin (m) {
-        return this._weekdaysMin[m.day()];
+    function getISOWeeksInISOWeekYear() {
+        return weeksInYear(this.isoWeekYear(), 1, 4);
     }
 
-    function localeWeekdaysParse (weekdayName) {
-        var i, mom, regex;
+    function getWeeksInYear() {
+        var weekInfo = this.localeData()._week;
+        return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
+    }
 
-        if (!this._weekdaysParse) {
-            this._weekdaysParse = [];
-        }
+    function getWeeksInWeekYear() {
+        var weekInfo = this.localeData()._week;
+        return weeksInYear(this.weekYear(), weekInfo.dow, weekInfo.doy);
+    }
 
-        for (i = 0; i < 7; i++) {
-            // make the regex if we don't have it already
-            if (!this._weekdaysParse[i]) {
-                mom = local__createLocal([2000, 1]).day(i);
-                regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
-                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
-            }
-            // test the regex
-            if (this._weekdaysParse[i].test(weekdayName)) {
-                return i;
+    function getSetWeekYearHelper(input, week, weekday, dow, doy) {
+        var weeksTarget;
+        if (input == null) {
+            return weekOfYear(this, dow, doy).year;
+        } else {
+            weeksTarget = weeksInYear(input, dow, doy);
+            if (week > weeksTarget) {
+                week = weeksTarget;
             }
+            return setWeekAll.call(this, input, week, weekday, dow, doy);
         }
     }
 
-    // MOMENTS
+    function setWeekAll(weekYear, week, weekday, dow, doy) {
+        var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
+            date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);
 
-    function getSetDayOfWeek (input) {
-        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
-        if (input != null) {
-            input = parseWeekday(input, this.localeData());
-            return this.add(input - day, 'd');
-        } else {
-            return day;
-        }
+        this.year(date.getUTCFullYear());
+        this.month(date.getUTCMonth());
+        this.date(date.getUTCDate());
+        return this;
     }
 
-    function getSetLocaleDayOfWeek (input) {
-        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
-        return input == null ? weekday : this.add(input - weekday, 'd');
-    }
+    // FORMATTING
 
-    function getSetISODayOfWeek (input) {
-        // behaves the same as moment#day except
-        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
-        // as a setter, sunday should belong to the previous week.
-        return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);
-    }
+    addFormatToken('Q', 0, 'Qo', 'quarter');
 
-    addFormatToken('H', ['HH', 2], 0, 'hour');
-    addFormatToken('h', ['hh', 2], 0, function () {
-        return this.hours() % 12 || 12;
+    // ALIASES
+
+    addUnitAlias('quarter', 'Q');
+
+    // PRIORITY
+
+    addUnitPriority('quarter', 7);
+
+    // PARSING
+
+    addRegexToken('Q', match1);
+    addParseToken('Q', function (input, array) {
+        array[MONTH] = (toInt(input) - 1) * 3;
     });
 
-    function meridiem (token, lowercase) {
-        addFormatToken(token, 0, 0, function () {
-            return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
-        });
+    // MOMENTS
+
+    function getSetQuarter(input) {
+        return input == null
+            ? Math.ceil((this.month() + 1) / 3)
+            : this.month((input - 1) * 3 + (this.month() % 3));
     }
 
-    meridiem('a', true);
-    meridiem('A', false);
+    // FORMATTING
 
-    // ALIASES
+    addFormatToken('D', ['DD', 2], 'Do', 'date');
 
-    addUnitAlias('hour', 'h');
+    // ALIASES
 
-    // PARSING
+    addUnitAlias('date', 'D');
 
-    function matchMeridiem (isStrict, locale) {
-        return locale._meridiemParse;
-    }
+    // PRIORITY
+    addUnitPriority('date', 9);
 
-    addRegexToken('a',  matchMeridiem);
-    addRegexToken('A',  matchMeridiem);
-    addRegexToken('H',  match1to2);
-    addRegexToken('h',  match1to2);
-    addRegexToken('HH', match1to2, match2);
-    addRegexToken('hh', match1to2, match2);
+    // PARSING
 
-    addParseToken(['H', 'HH'], HOUR);
-    addParseToken(['a', 'A'], function (input, array, config) {
-        config._isPm = config._locale.isPM(input);
-        config._meridiem = input;
+    addRegexToken('D', match1to2);
+    addRegexToken('DD', match1to2, match2);
+    addRegexToken('Do', function (isStrict, locale) {
+        // TODO: Remove "ordinalParse" fallback in next major release.
+        return isStrict
+            ? locale._dayOfMonthOrdinalParse || locale._ordinalParse
+            : locale._dayOfMonthOrdinalParseLenient;
     });
-    addParseToken(['h', 'hh'], function (input, array, config) {
-        array[HOUR] = toInt(input);
-        config._pf.bigHour = true;
+
+    addParseToken(['D', 'DD'], DATE);
+    addParseToken('Do', function (input, array) {
+        array[DATE] = toInt(input.match(match1to2)[0]);
     });
 
-    // LOCALES
+    // MOMENTS
 
-    function localeIsPM (input) {
-        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
-        // Using charAt should be more compatible.
-        return ((input + '').toLowerCase().charAt(0) === 'p');
-    }
+    var getSetDayOfMonth = makeGetSet('Date', true);
 
-    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
-    function localeMeridiem (hours, minutes, isLower) {
-        if (hours > 11) {
-            return isLower ? 'pm' : 'PM';
-        } else {
-            return isLower ? 'am' : 'AM';
-        }
-    }
+    // FORMATTING
+
+    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');
+
+    // ALIASES
+
+    addUnitAlias('dayOfYear', 'DDD');
+
+    // PRIORITY
+    addUnitPriority('dayOfYear', 4);
+
+    // PARSING
+
+    addRegexToken('DDD', match1to3);
+    addRegexToken('DDDD', match3);
+    addParseToken(['DDD', 'DDDD'], function (input, array, config) {
+        config._dayOfYear = toInt(input);
+    });
 
+    // HELPERS
 
     // MOMENTS
 
-    // Setting the hour should keep the time, because the user explicitly
-    // specified which hour he wants. So trying to maintain the same hour (in
-    // a new timezone) makes sense. Adding/subtracting hours does not follow
-    // this rule.
-    var getSetHour = makeGetSet('Hours', true);
+    function getSetDayOfYear(input) {
+        var dayOfYear =
+            Math.round(
+                (this.clone().startOf('day') - this.clone().startOf('year')) / 864e5
+            ) + 1;
+        return input == null ? dayOfYear : this.add(input - dayOfYear, 'd');
+    }
+
+    // FORMATTING
 
     addFormatToken('m', ['mm', 2], 0, 'minute');
 
@@ -2356,9 +4780,13 @@
 
     addUnitAlias('minute', 'm');
 
+    // PRIORITY
+
+    addUnitPriority('minute', 14);
+
     // PARSING
 
-    addRegexToken('m',  match1to2);
+    addRegexToken('m', match1to2);
     addRegexToken('mm', match1to2, match2);
     addParseToken(['m', 'mm'], MINUTE);
 
@@ -2366,15 +4794,21 @@
 
     var getSetMinute = makeGetSet('Minutes', false);
 
+    // FORMATTING
+
     addFormatToken('s', ['ss', 2], 0, 'second');
 
     // ALIASES
 
     addUnitAlias('second', 's');
 
+    // PRIORITY
+
+    addUnitPriority('second', 15);
+
     // PARSING
 
-    addRegexToken('s',  match1to2);
+    addRegexToken('s', match1to2);
     addRegexToken('ss', match1to2, match2);
     addParseToken(['s', 'ss'], SECOND);
 
@@ -2382,6 +4816,8 @@
 
     var getSetSecond = makeGetSet('Seconds', false);
 
+    // FORMATTING
+
     addFormatToken('S', 0, 0, function () {
         return ~~(this.millisecond() / 100);
     });
@@ -2390,473 +4826,524 @@
         return ~~(this.millisecond() / 10);
     });
 
-    function millisecond__milliseconds (token) {
-        addFormatToken(0, [token, 3], 0, 'millisecond');
-    }
-
-    millisecond__milliseconds('SSS');
-    millisecond__milliseconds('SSSS');
+    addFormatToken(0, ['SSS', 3], 0, 'millisecond');
+    addFormatToken(0, ['SSSS', 4], 0, function () {
+        return this.millisecond() * 10;
+    });
+    addFormatToken(0, ['SSSSS', 5], 0, function () {
+        return this.millisecond() * 100;
+    });
+    addFormatToken(0, ['SSSSSS', 6], 0, function () {
+        return this.millisecond() * 1000;
+    });
+    addFormatToken(0, ['SSSSSSS', 7], 0, function () {
+        return this.millisecond() * 10000;
+    });
+    addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
+        return this.millisecond() * 100000;
+    });
+    addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
+        return this.millisecond() * 1000000;
+    });
 
     // ALIASES
 
     addUnitAlias('millisecond', 'ms');
 
+    // PRIORITY
+
+    addUnitPriority('millisecond', 16);
+
     // PARSING
 
-    addRegexToken('S',    match1to3, match1);
-    addRegexToken('SS',   match1to3, match2);
-    addRegexToken('SSS',  match1to3, match3);
-    addRegexToken('SSSS', matchUnsigned);
-    addParseToken(['S', 'SS', 'SSS', 'SSSS'], function (input, array) {
+    addRegexToken('S', match1to3, match1);
+    addRegexToken('SS', match1to3, match2);
+    addRegexToken('SSS', match1to3, match3);
+
+    var token, getSetMillisecond;
+    for (token = 'SSSS'; token.length <= 9; token += 'S') {
+        addRegexToken(token, matchUnsigned);
+    }
+
+    function parseMs(input, array) {
         array[MILLISECOND] = toInt(('0.' + input) * 1000);
-    });
+    }
 
-    // MOMENTS
+    for (token = 'S'; token.length <= 9; token += 'S') {
+        addParseToken(token, parseMs);
+    }
+
+    getSetMillisecond = makeGetSet('Milliseconds', false);
 
-    var getSetMillisecond = makeGetSet('Milliseconds', false);
+    // FORMATTING
 
-    addFormatToken('z',  0, 0, 'zoneAbbr');
+    addFormatToken('z', 0, 0, 'zoneAbbr');
     addFormatToken('zz', 0, 0, 'zoneName');
 
     // MOMENTS
 
-    function getZoneAbbr () {
+    function getZoneAbbr() {
         return this._isUTC ? 'UTC' : '';
     }
 
-    function getZoneName () {
+    function getZoneName() {
         return this._isUTC ? 'Coordinated Universal Time' : '';
     }
 
-    var momentPrototype__proto = Moment.prototype;
-
-    momentPrototype__proto.add          = add_subtract__add;
-    momentPrototype__proto.calendar     = moment_calendar__calendar;
-    momentPrototype__proto.clone        = clone;
-    momentPrototype__proto.diff         = diff;
-    momentPrototype__proto.endOf        = endOf;
-    momentPrototype__proto.format       = format;
-    momentPrototype__proto.from         = from;
-    momentPrototype__proto.fromNow      = fromNow;
-    momentPrototype__proto.get          = getSet;
-    momentPrototype__proto.invalidAt    = invalidAt;
-    momentPrototype__proto.isAfter      = isAfter;
-    momentPrototype__proto.isBefore     = isBefore;
-    momentPrototype__proto.isBetween    = isBetween;
-    momentPrototype__proto.isSame       = isSame;
-    momentPrototype__proto.isValid      = moment_valid__isValid;
-    momentPrototype__proto.lang         = lang;
-    momentPrototype__proto.locale       = locale;
-    momentPrototype__proto.localeData   = localeData;
-    momentPrototype__proto.max          = prototypeMax;
-    momentPrototype__proto.min          = prototypeMin;
-    momentPrototype__proto.parsingFlags = parsingFlags;
-    momentPrototype__proto.set          = getSet;
-    momentPrototype__proto.startOf      = startOf;
-    momentPrototype__proto.subtract     = add_subtract__subtract;
-    momentPrototype__proto.toArray      = toArray;
-    momentPrototype__proto.toDate       = toDate;
-    momentPrototype__proto.toISOString  = moment_format__toISOString;
-    momentPrototype__proto.toJSON       = moment_format__toISOString;
-    momentPrototype__proto.toString     = toString;
-    momentPrototype__proto.unix         = unix;
-    momentPrototype__proto.valueOf      = to_type__valueOf;
-
-    // Year
-    momentPrototype__proto.year       = getSetYear;
-    momentPrototype__proto.isLeapYear = getIsLeapYear;
-
-    // Week Year
-    momentPrototype__proto.weekYear    = getSetWeekYear;
-    momentPrototype__proto.isoWeekYear = getSetISOWeekYear;
-
-    // Quarter
-    momentPrototype__proto.quarter = momentPrototype__proto.quarters = getSetQuarter;
-
-    // Month
-    momentPrototype__proto.month       = getSetMonth;
-    momentPrototype__proto.daysInMonth = getDaysInMonth;
-
-    // Week
-    momentPrototype__proto.week           = momentPrototype__proto.weeks        = getSetWeek;
-    momentPrototype__proto.isoWeek        = momentPrototype__proto.isoWeeks     = getSetISOWeek;
-    momentPrototype__proto.weeksInYear    = getWeeksInYear;
-    momentPrototype__proto.isoWeeksInYear = getISOWeeksInYear;
-
-    // Day
-    momentPrototype__proto.date       = getSetDayOfMonth;
-    momentPrototype__proto.day        = momentPrototype__proto.days             = getSetDayOfWeek;
-    momentPrototype__proto.weekday    = getSetLocaleDayOfWeek;
-    momentPrototype__proto.isoWeekday = getSetISODayOfWeek;
-    momentPrototype__proto.dayOfYear  = getSetDayOfYear;
-
-    // Hour
-    momentPrototype__proto.hour = momentPrototype__proto.hours = getSetHour;
-
-    // Minute
-    momentPrototype__proto.minute = momentPrototype__proto.minutes = getSetMinute;
-
-    // Second
-    momentPrototype__proto.second = momentPrototype__proto.seconds = getSetSecond;
-
-    // Millisecond
-    momentPrototype__proto.millisecond = momentPrototype__proto.milliseconds = getSetMillisecond;
-
-    // Offset
-    momentPrototype__proto.utcOffset            = getSetOffset;
-    momentPrototype__proto.utc                  = setOffsetToUTC;
-    momentPrototype__proto.local                = setOffsetToLocal;
-    momentPrototype__proto.parseZone            = setOffsetToParsedOffset;
-    momentPrototype__proto.hasAlignedHourOffset = hasAlignedHourOffset;
-    momentPrototype__proto.isDST                = isDaylightSavingTime;
-    momentPrototype__proto.isDSTShifted         = isDaylightSavingTimeShifted;
-    momentPrototype__proto.isLocal              = isLocal;
-    momentPrototype__proto.isUtcOffset          = isUtcOffset;
-    momentPrototype__proto.isUtc                = isUtc;
-    momentPrototype__proto.isUTC                = isUtc;
-
-    // Timezone
-    momentPrototype__proto.zoneAbbr = getZoneAbbr;
-    momentPrototype__proto.zoneName = getZoneName;
-
-    // Deprecations
-    momentPrototype__proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);
-    momentPrototype__proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);
-    momentPrototype__proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);
-    momentPrototype__proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. https://github.com/moment/moment/issues/1779', getSetZone);
-
-    var momentPrototype = momentPrototype__proto;
-
-    function moment__createUnix (input) {
-        return local__createLocal(input * 1000);
-    }
-
-    function moment__createInZone () {
-        return local__createLocal.apply(null, arguments).parseZone();
+    var proto = Moment.prototype;
+
+    proto.add = add;
+    proto.calendar = calendar$1;
+    proto.clone = clone;
+    proto.diff = diff;
+    proto.endOf = endOf;
+    proto.format = format;
+    proto.from = from;
+    proto.fromNow = fromNow;
+    proto.to = to;
+    proto.toNow = toNow;
+    proto.get = stringGet;
+    proto.invalidAt = invalidAt;
+    proto.isAfter = isAfter;
+    proto.isBefore = isBefore;
+    proto.isBetween = isBetween;
+    proto.isSame = isSame;
+    proto.isSameOrAfter = isSameOrAfter;
+    proto.isSameOrBefore = isSameOrBefore;
+    proto.isValid = isValid$2;
+    proto.lang = lang;
+    proto.locale = locale;
+    proto.localeData = localeData;
+    proto.max = prototypeMax;
+    proto.min = prototypeMin;
+    proto.parsingFlags = parsingFlags;
+    proto.set = stringSet;
+    proto.startOf = startOf;
+    proto.subtract = subtract;
+    proto.toArray = toArray;
+    proto.toObject = toObject;
+    proto.toDate = toDate;
+    proto.toISOString = toISOString;
+    proto.inspect = inspect;
+    if (typeof Symbol !== 'undefined' && Symbol.for != null) {
+        proto[Symbol.for('nodejs.util.inspect.custom')] = function () {
+            return 'Moment<' + this.format() + '>';
+        };
     }
+    proto.toJSON = toJSON;
+    proto.toString = toString;
+    proto.unix = unix;
+    proto.valueOf = valueOf;
+    proto.creationData = creationData;
+    proto.eraName = getEraName;
+    proto.eraNarrow = getEraNarrow;
+    proto.eraAbbr = getEraAbbr;
+    proto.eraYear = getEraYear;
+    proto.year = getSetYear;
+    proto.isLeapYear = getIsLeapYear;
+    proto.weekYear = getSetWeekYear;
+    proto.isoWeekYear = getSetISOWeekYear;
+    proto.quarter = proto.quarters = getSetQuarter;
+    proto.month = getSetMonth;
+    proto.daysInMonth = getDaysInMonth;
+    proto.week = proto.weeks = getSetWeek;
+    proto.isoWeek = proto.isoWeeks = getSetISOWeek;
+    proto.weeksInYear = getWeeksInYear;
+    proto.weeksInWeekYear = getWeeksInWeekYear;
+    proto.isoWeeksInYear = getISOWeeksInYear;
+    proto.isoWeeksInISOWeekYear = getISOWeeksInISOWeekYear;
+    proto.date = getSetDayOfMonth;
+    proto.day = proto.days = getSetDayOfWeek;
+    proto.weekday = getSetLocaleDayOfWeek;
+    proto.isoWeekday = getSetISODayOfWeek;
+    proto.dayOfYear = getSetDayOfYear;
+    proto.hour = proto.hours = getSetHour;
+    proto.minute = proto.minutes = getSetMinute;
+    proto.second = proto.seconds = getSetSecond;
+    proto.millisecond = proto.milliseconds = getSetMillisecond;
+    proto.utcOffset = getSetOffset;
+    proto.utc = setOffsetToUTC;
+    proto.local = setOffsetToLocal;
+    proto.parseZone = setOffsetToParsedOffset;
+    proto.hasAlignedHourOffset = hasAlignedHourOffset;
+    proto.isDST = isDaylightSavingTime;
+    proto.isLocal = isLocal;
+    proto.isUtcOffset = isUtcOffset;
+    proto.isUtc = isUtc;
+    proto.isUTC = isUtc;
+    proto.zoneAbbr = getZoneAbbr;
+    proto.zoneName = getZoneName;
+    proto.dates = deprecate(
+        'dates accessor is deprecated. Use date instead.',
+        getSetDayOfMonth
+    );
+    proto.months = deprecate(
+        'months accessor is deprecated. Use month instead',
+        getSetMonth
+    );
+    proto.years = deprecate(
+        'years accessor is deprecated. Use year instead',
+        getSetYear
+    );
+    proto.zone = deprecate(
+        'moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/',
+        getSetZone
+    );
+    proto.isDSTShifted = deprecate(
+        'isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information',
+        isDaylightSavingTimeShifted
+    );
 
-    var defaultCalendar = {
-        sameDay : '[Today at] LT',
-        nextDay : '[Tomorrow at] LT',
-        nextWeek : 'dddd [at] LT',
-        lastDay : '[Yesterday at] LT',
-        lastWeek : '[Last] dddd [at] LT',
-        sameElse : 'L'
-    };
-
-    function locale_calendar__calendar (key, mom, now) {
-        var output = this._calendar[key];
-        return typeof output === 'function' ? output.call(mom, now) : output;
+    function createUnix(input) {
+        return createLocal(input * 1000);
     }
 
-    var defaultLongDateFormat = {
-        LTS  : 'h:mm:ss A',
-        LT   : 'h:mm A',
-        L    : 'MM/DD/YYYY',
-        LL   : 'MMMM D, YYYY',
-        LLL  : 'MMMM D, YYYY LT',
-        LLLL : 'dddd, MMMM D, YYYY LT'
-    };
-
-    function longDateFormat (key) {
-        var output = this._longDateFormat[key];
-        if (!output && this._longDateFormat[key.toUpperCase()]) {
-            output = this._longDateFormat[key.toUpperCase()].replace(/MMMM|MM|DD|dddd/g, function (val) {
-                return val.slice(1);
-            });
-            this._longDateFormat[key] = output;
-        }
-        return output;
+    function createInZone() {
+        return createLocal.apply(null, arguments).parseZone();
     }
 
-    var defaultInvalidDate = 'Invalid date';
-
-    function invalidDate () {
-        return this._invalidDate;
+    function preParsePostFormat(string) {
+        return string;
     }
 
-    var defaultOrdinal = '%d';
-    var defaultOrdinalParse = /\d{1,2}/;
-
-    function ordinal (number) {
-        return this._ordinal.replace('%d', number);
+    var proto$1 = Locale.prototype;
+
+    proto$1.calendar = calendar;
+    proto$1.longDateFormat = longDateFormat;
+    proto$1.invalidDate = invalidDate;
+    proto$1.ordinal = ordinal;
+    proto$1.preparse = preParsePostFormat;
+    proto$1.postformat = preParsePostFormat;
+    proto$1.relativeTime = relativeTime;
+    proto$1.pastFuture = pastFuture;
+    proto$1.set = set;
+    proto$1.eras = localeEras;
+    proto$1.erasParse = localeErasParse;
+    proto$1.erasConvertYear = localeErasConvertYear;
+    proto$1.erasAbbrRegex = erasAbbrRegex;
+    proto$1.erasNameRegex = erasNameRegex;
+    proto$1.erasNarrowRegex = erasNarrowRegex;
+
+    proto$1.months = localeMonths;
+    proto$1.monthsShort = localeMonthsShort;
+    proto$1.monthsParse = localeMonthsParse;
+    proto$1.monthsRegex = monthsRegex;
+    proto$1.monthsShortRegex = monthsShortRegex;
+    proto$1.week = localeWeek;
+    proto$1.firstDayOfYear = localeFirstDayOfYear;
+    proto$1.firstDayOfWeek = localeFirstDayOfWeek;
+
+    proto$1.weekdays = localeWeekdays;
+    proto$1.weekdaysMin = localeWeekdaysMin;
+    proto$1.weekdaysShort = localeWeekdaysShort;
+    proto$1.weekdaysParse = localeWeekdaysParse;
+
+    proto$1.weekdaysRegex = weekdaysRegex;
+    proto$1.weekdaysShortRegex = weekdaysShortRegex;
+    proto$1.weekdaysMinRegex = weekdaysMinRegex;
+
+    proto$1.isPM = localeIsPM;
+    proto$1.meridiem = localeMeridiem;
+
+    function get$1(format, index, field, setter) {
+        var locale = getLocale(),
+            utc = createUTC().set(setter, index);
+        return locale[field](utc, format);
     }
 
-    function preParsePostFormat (string) {
-        return string;
-    }
+    function listMonthsImpl(format, index, field) {
+        if (isNumber(format)) {
+            index = format;
+            format = undefined;
+        }
 
-    var defaultRelativeTime = {
-        future : 'in %s',
-        past   : '%s ago',
-        s  : 'a few seconds',
-        m  : 'a minute',
-        mm : '%d minutes',
-        h  : 'an hour',
-        hh : '%d hours',
-        d  : 'a day',
-        dd : '%d days',
-        M  : 'a month',
-        MM : '%d months',
-        y  : 'a year',
-        yy : '%d years'
-    };
+        format = format || '';
 
-    function relative__relativeTime (number, withoutSuffix, string, isFuture) {
-        var output = this._relativeTime[string];
-        return (typeof output === 'function') ?
-            output(number, withoutSuffix, string, isFuture) :
-            output.replace(/%d/i, number);
-    }
+        if (index != null) {
+            return get$1(format, index, field, 'month');
+        }
 
-    function pastFuture (diff, output) {
-        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
-        return typeof format === 'function' ? format(output) : format.replace(/%s/i, output);
+        var i,
+            out = [];
+        for (i = 0; i < 12; i++) {
+            out[i] = get$1(format, i, field, 'month');
+        }
+        return out;
     }
 
-    function locale_set__set (config) {
-        var prop, i;
-        for (i in config) {
-            prop = config[i];
-            if (typeof prop === 'function') {
-                this[i] = prop;
-            } else {
-                this['_' + i] = prop;
+    // ()
+    // (5)
+    // (fmt, 5)
+    // (fmt)
+    // (true)
+    // (true, 5)
+    // (true, fmt, 5)
+    // (true, fmt)
+    function listWeekdaysImpl(localeSorted, format, index, field) {
+        if (typeof localeSorted === 'boolean') {
+            if (isNumber(format)) {
+                index = format;
+                format = undefined;
             }
-        }
-        // Lenient ordinal parsing accepts just a number in addition to
-        // number + (possibly) stuff coming from _ordinalParseLenient.
-        this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + /\d{1,2}/.source);
-    }
-
-    var prototype__proto = Locale.prototype;
-
-    prototype__proto._calendar       = defaultCalendar;
-    prototype__proto.calendar        = locale_calendar__calendar;
-    prototype__proto._longDateFormat = defaultLongDateFormat;
-    prototype__proto.longDateFormat  = longDateFormat;
-    prototype__proto._invalidDate    = defaultInvalidDate;
-    prototype__proto.invalidDate     = invalidDate;
-    prototype__proto._ordinal        = defaultOrdinal;
-    prototype__proto.ordinal         = ordinal;
-    prototype__proto._ordinalParse   = defaultOrdinalParse;
-    prototype__proto.preparse        = preParsePostFormat;
-    prototype__proto.postformat      = preParsePostFormat;
-    prototype__proto._relativeTime   = defaultRelativeTime;
-    prototype__proto.relativeTime    = relative__relativeTime;
-    prototype__proto.pastFuture      = pastFuture;
-    prototype__proto.set             = locale_set__set;
-
-    // Month
-    prototype__proto.months       =        localeMonths;
-    prototype__proto._months      = defaultLocaleMonths;
-    prototype__proto.monthsShort  =        localeMonthsShort;
-    prototype__proto._monthsShort = defaultLocaleMonthsShort;
-    prototype__proto.monthsParse  =        localeMonthsParse;
-
-    // Week
-    prototype__proto.week = localeWeek;
-    prototype__proto._week = defaultLocaleWeek;
-    prototype__proto.firstDayOfYear = localeFirstDayOfYear;
-    prototype__proto.firstDayOfWeek = localeFirstDayOfWeek;
-
-    // Day of Week
-    prototype__proto.weekdays       =        localeWeekdays;
-    prototype__proto._weekdays      = defaultLocaleWeekdays;
-    prototype__proto.weekdaysMin    =        localeWeekdaysMin;
-    prototype__proto._weekdaysMin   = defaultLocaleWeekdaysMin;
-    prototype__proto.weekdaysShort  =        localeWeekdaysShort;
-    prototype__proto._weekdaysShort = defaultLocaleWeekdaysShort;
-    prototype__proto.weekdaysParse  =        localeWeekdaysParse;
-
-    // Hours
-    prototype__proto.isPM = localeIsPM;
-    prototype__proto._meridiemParse = defaultLocaleMeridiemParse;
-    prototype__proto.meridiem = localeMeridiem;
-
-    function lists__get (format, index, field, setter) {
-        var locale = locale_locales__getLocale();
-        var utc = create_utc__createUTC().set(setter, index);
-        return locale[field](utc, format);
-    }
 
-    function list (format, index, field, count, setter) {
-        if (typeof format === 'number') {
+            format = format || '';
+        } else {
+            format = localeSorted;
             index = format;
-            format = undefined;
+            localeSorted = false;
+
+            if (isNumber(format)) {
+                index = format;
+                format = undefined;
+            }
+
+            format = format || '';
         }
 
-        format = format || '';
+        var locale = getLocale(),
+            shift = localeSorted ? locale._week.dow : 0,
+            i,
+            out = [];
 
         if (index != null) {
-            return lists__get(format, index, field, setter);
+            return get$1(format, (index + shift) % 7, field, 'day');
         }
 
-        var i;
-        var out = [];
-        for (i = 0; i < count; i++) {
-            out[i] = lists__get(format, i, field, setter);
+        for (i = 0; i < 7; i++) {
+            out[i] = get$1(format, (i + shift) % 7, field, 'day');
         }
         return out;
     }
 
-    function lists__listMonths (format, index) {
-        return list(format, index, 'months', 12, 'month');
+    function listMonths(format, index) {
+        return listMonthsImpl(format, index, 'months');
     }
 
-    function lists__listMonthsShort (format, index) {
-        return list(format, index, 'monthsShort', 12, 'month');
+    function listMonthsShort(format, index) {
+        return listMonthsImpl(format, index, 'monthsShort');
     }
 
-    function lists__listWeekdays (format, index) {
-        return list(format, index, 'weekdays', 7, 'day');
+    function listWeekdays(localeSorted, format, index) {
+        return listWeekdaysImpl(localeSorted, format, index, 'weekdays');
     }
 
-    function lists__listWeekdaysShort (format, index) {
-        return list(format, index, 'weekdaysShort', 7, 'day');
+    function listWeekdaysShort(localeSorted, format, index) {
+        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');
     }
 
-    function lists__listWeekdaysMin (format, index) {
-        return list(format, index, 'weekdaysMin', 7, 'day');
+    function listWeekdaysMin(localeSorted, format, index) {
+        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');
     }
 
-    locale_locales__getSetGlobalLocale('en', {
-        ordinalParse: /\d{1,2}(th|st|nd|rd)/,
-        ordinal : function (number) {
+    getSetGlobalLocale('en', {
+        eras: [
+            {
+                since: '0001-01-01',
+                until: +Infinity,
+                offset: 1,
+                name: 'Anno Domini',
+                narrow: 'AD',
+                abbr: 'AD',
+            },
+            {
+                since: '0000-12-31',
+                until: -Infinity,
+                offset: 1,
+                name: 'Before Christ',
+                narrow: 'BC',
+                abbr: 'BC',
+            },
+        ],
+        dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/,
+        ordinal: function (number) {
             var b = number % 10,
-                output = (toInt(number % 100 / 10) === 1) ? 'th' :
-                (b === 1) ? 'st' :
-                (b === 2) ? 'nd' :
-                (b === 3) ? 'rd' : 'th';
+                output =
+                    toInt((number % 100) / 10) === 1
+                        ? 'th'
+                        : b === 1
+                        ? 'st'
+                        : b === 2
+                        ? 'nd'
+                        : b === 3
+                        ? 'rd'
+                        : 'th';
             return number + output;
-        }
+        },
     });
 
     // Side effect imports
-    utils_hooks__hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', locale_locales__getSetGlobalLocale);
-    utils_hooks__hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', locale_locales__getLocale);
+
+    hooks.lang = deprecate(
+        'moment.lang is deprecated. Use moment.locale instead.',
+        getSetGlobalLocale
+    );
+    hooks.langData = deprecate(
+        'moment.langData is deprecated. Use moment.localeData instead.',
+        getLocale
+    );
 
     var mathAbs = Math.abs;
 
-    function duration_abs__abs () {
-        var data           = this._data;
+    function abs() {
+        var data = this._data;
 
         this._milliseconds = mathAbs(this._milliseconds);
-        this._days         = mathAbs(this._days);
-        this._months       = mathAbs(this._months);
+        this._days = mathAbs(this._days);
+        this._months = mathAbs(this._months);
 
-        data.milliseconds  = mathAbs(data.milliseconds);
-        data.seconds       = mathAbs(data.seconds);
-        data.minutes       = mathAbs(data.minutes);
-        data.hours         = mathAbs(data.hours);
-        data.months        = mathAbs(data.months);
-        data.years         = mathAbs(data.years);
+        data.milliseconds = mathAbs(data.milliseconds);
+        data.seconds = mathAbs(data.seconds);
+        data.minutes = mathAbs(data.minutes);
+        data.hours = mathAbs(data.hours);
+        data.months = mathAbs(data.months);
+        data.years = mathAbs(data.years);
 
         return this;
     }
 
-    function duration_add_subtract__addSubtract (duration, input, value, direction) {
-        var other = create__createDuration(input, value);
+    function addSubtract$1(duration, input, value, direction) {
+        var other = createDuration(input, value);
 
         duration._milliseconds += direction * other._milliseconds;
-        duration._days         += direction * other._days;
-        duration._months       += direction * other._months;
+        duration._days += direction * other._days;
+        duration._months += direction * other._months;
 
         return duration._bubble();
     }
 
     // supports only 2.0-style add(1, 's') or add(duration)
-    function duration_add_subtract__add (input, value) {
-        return duration_add_subtract__addSubtract(this, input, value, 1);
+    function add$1(input, value) {
+        return addSubtract$1(this, input, value, 1);
     }
 
     // supports only 2.0-style subtract(1, 's') or subtract(duration)
-    function duration_add_subtract__subtract (input, value) {
-        return duration_add_subtract__addSubtract(this, input, value, -1);
+    function subtract$1(input, value) {
+        return addSubtract$1(this, input, value, -1);
+    }
+
+    function absCeil(number) {
+        if (number < 0) {
+            return Math.floor(number);
+        } else {
+            return Math.ceil(number);
+        }
     }
 
-    function bubble () {
-        var milliseconds = this._milliseconds;
-        var days         = this._days;
-        var months       = this._months;
-        var data         = this._data;
-        var seconds, minutes, hours, years = 0;
+    function bubble() {
+        var milliseconds = this._milliseconds,
+            days = this._days,
+            months = this._months,
+            data = this._data,
+            seconds,
+            minutes,
+            hours,
+            years,
+            monthsFromDays;
+
+        // if we have a mix of positive and negative values, bubble down first
+        // check: https://github.com/moment/moment/issues/2166
+        if (
+            !(
+                (milliseconds >= 0 && days >= 0 && months >= 0) ||
+                (milliseconds <= 0 && days <= 0 && months <= 0)
+            )
+        ) {
+            milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
+            days = 0;
+            months = 0;
+        }
 
         // The following code bubbles up values, see the tests for
         // examples of what that means.
         data.milliseconds = milliseconds % 1000;
 
-        seconds           = absFloor(milliseconds / 1000);
-        data.seconds      = seconds % 60;
+        seconds = absFloor(milliseconds / 1000);
+        data.seconds = seconds % 60;
 
-        minutes           = absFloor(seconds / 60);
-        data.minutes      = minutes % 60;
+        minutes = absFloor(seconds / 60);
+        data.minutes = minutes % 60;
 
-        hours             = absFloor(minutes / 60);
-        data.hours        = hours % 24;
+        hours = absFloor(minutes / 60);
+        data.hours = hours % 24;
 
         days += absFloor(hours / 24);
 
-        // Accurately convert days to years, assume start from year 0.
-        years = absFloor(daysToYears(days));
-        days -= absFloor(yearsToDays(years));
-
-        // 30 days to a month
-        // TODO (iskren): Use anchor date (like 1st Jan) to compute this.
-        months += absFloor(days / 30);
-        days   %= 30;
+        // convert days to months
+        monthsFromDays = absFloor(daysToMonths(days));
+        months += monthsFromDays;
+        days -= absCeil(monthsToDays(monthsFromDays));
 
         // 12 months -> 1 year
-        years  += absFloor(months / 12);
+        years = absFloor(months / 12);
         months %= 12;
 
-        data.days   = days;
+        data.days = days;
         data.months = months;
-        data.years  = years;
+        data.years = years;
 
         return this;
     }
 
-    function daysToYears (days) {
+    function daysToMonths(days) {
         // 400 years have 146097 days (taking into account leap year rules)
-        return days * 400 / 146097;
+        // 400 years have 12 months === 4800
+        return (days * 4800) / 146097;
     }
 
-    function yearsToDays (years) {
-        // years * 365 + absFloor(years / 4) -
-        //     absFloor(years / 100) + absFloor(years / 400);
-        return years * 146097 / 400;
+    function monthsToDays(months) {
+        // the reverse of daysToMonths
+        return (months * 146097) / 4800;
     }
 
-    function as (units) {
-        var days;
-        var months;
-        var milliseconds = this._milliseconds;
+    function as(units) {
+        if (!this.isValid()) {
+            return NaN;
+        }
+        var days,
+            months,
+            milliseconds = this._milliseconds;
 
         units = normalizeUnits(units);
 
-        if (units === 'month' || units === 'year') {
-            days   = this._days   + milliseconds / 864e5;
-            months = this._months + daysToYears(days) * 12;
-            return units === 'month' ? months : months / 12;
+        if (units === 'month' || units === 'quarter' || units === 'year') {
+            days = this._days + milliseconds / 864e5;
+            months = this._months + daysToMonths(days);
+            switch (units) {
+                case 'month':
+                    return months;
+                case 'quarter':
+                    return months / 3;
+                case 'year':
+                    return months / 12;
+            }
         } else {
             // handle milliseconds separately because of floating point math errors (issue #1867)
-            days = this._days + Math.round(yearsToDays(this._months / 12));
+            days = this._days + Math.round(monthsToDays(this._months));
             switch (units) {
-                case 'week'   : return days / 7            + milliseconds / 6048e5;
-                case 'day'    : return days                + milliseconds / 864e5;
-                case 'hour'   : return days * 24           + milliseconds / 36e5;
-                case 'minute' : return days * 24 * 60      + milliseconds / 6e4;
-                case 'second' : return days * 24 * 60 * 60 + milliseconds / 1000;
+                case 'week':
+                    return days / 7 + milliseconds / 6048e5;
+                case 'day':
+                    return days + milliseconds / 864e5;
+                case 'hour':
+                    return days * 24 + milliseconds / 36e5;
+                case 'minute':
+                    return days * 1440 + milliseconds / 6e4;
+                case 'second':
+                    return days * 86400 + milliseconds / 1000;
                 // Math.floor prevents floating point math errors here
-                case 'millisecond': return Math.floor(days * 24 * 60 * 60 * 1000) + milliseconds;
-                default: throw new Error('Unknown unit ' + units);
+                case 'millisecond':
+                    return Math.floor(days * 864e5) + milliseconds;
+                default:
+                    throw new Error('Unknown unit ' + units);
             }
         }
     }
 
     // TODO: Use this.as('ms')?
-    function duration_as__valueOf () {
+    function valueOf$1() {
+        if (!this.isValid()) {
+            return NaN;
+        }
         return (
             this._milliseconds +
             this._days * 864e5 +
@@ -2865,77 +5352,94 @@
         );
     }
 
-    function makeAs (alias) {
+    function makeAs(alias) {
         return function () {
             return this.as(alias);
         };
     }
 
-    var asMilliseconds = makeAs('ms');
-    var asSeconds      = makeAs('s');
-    var asMinutes      = makeAs('m');
-    var asHours        = makeAs('h');
-    var asDays         = makeAs('d');
-    var asWeeks        = makeAs('w');
-    var asMonths       = makeAs('M');
-    var asYears        = makeAs('y');
+    var asMilliseconds = makeAs('ms'),
+        asSeconds = makeAs('s'),
+        asMinutes = makeAs('m'),
+        asHours = makeAs('h'),
+        asDays = makeAs('d'),
+        asWeeks = makeAs('w'),
+        asMonths = makeAs('M'),
+        asQuarters = makeAs('Q'),
+        asYears = makeAs('y');
+
+    function clone$1() {
+        return createDuration(this);
+    }
 
-    function duration_get__get (units) {
+    function get$2(units) {
         units = normalizeUnits(units);
-        return this[units + 's']();
+        return this.isValid() ? this[units + 's']() : NaN;
     }
 
     function makeGetter(name) {
         return function () {
-            return this._data[name];
+            return this.isValid() ? this._data[name] : NaN;
         };
     }
 
-    var duration_get__milliseconds = makeGetter('milliseconds');
-    var seconds      = makeGetter('seconds');
-    var minutes      = makeGetter('minutes');
-    var hours        = makeGetter('hours');
-    var days         = makeGetter('days');
-    var months       = makeGetter('months');
-    var years        = makeGetter('years');
+    var milliseconds = makeGetter('milliseconds'),
+        seconds = makeGetter('seconds'),
+        minutes = makeGetter('minutes'),
+        hours = makeGetter('hours'),
+        days = makeGetter('days'),
+        months = makeGetter('months'),
+        years = makeGetter('years');
 
-    function weeks () {
+    function weeks() {
         return absFloor(this.days() / 7);
     }
 
-    var round = Math.round;
-    var thresholds = {
-        s: 45,  // seconds to minute
-        m: 45,  // minutes to hour
-        h: 22,  // hours to day
-        d: 26,  // days to month
-        M: 11   // months to year
-    };
+    var round = Math.round,
+        thresholds = {
+            ss: 44, // a few seconds to seconds
+            s: 45, // seconds to minute
+            m: 45, // minutes to hour
+            h: 22, // hours to day
+            d: 26, // days to month/week
+            w: null, // weeks to month
+            M: 11, // months to year
+        };
 
     // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
     function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
         return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
     }
 
-    function duration_humanize__relativeTime (posNegDuration, withoutSuffix, locale) {
-        var duration = create__createDuration(posNegDuration).abs();
-        var seconds  = round(duration.as('s'));
-        var minutes  = round(duration.as('m'));
-        var hours    = round(duration.as('h'));
-        var days     = round(duration.as('d'));
-        var months   = round(duration.as('M'));
-        var years    = round(duration.as('y'));
-
-        var a = seconds < thresholds.s && ['s', seconds]  ||
-                minutes === 1          && ['m']           ||
-                minutes < thresholds.m && ['mm', minutes] ||
-                hours   === 1          && ['h']           ||
-                hours   < thresholds.h && ['hh', hours]   ||
-                days    === 1          && ['d']           ||
-                days    < thresholds.d && ['dd', days]    ||
-                months  === 1          && ['M']           ||
-                months  < thresholds.M && ['MM', months]  ||
-                years   === 1          && ['y']           || ['yy', years];
+    function relativeTime$1(posNegDuration, withoutSuffix, thresholds, locale) {
+        var duration = createDuration(posNegDuration).abs(),
+            seconds = round(duration.as('s')),
+            minutes = round(duration.as('m')),
+            hours = round(duration.as('h')),
+            days = round(duration.as('d')),
+            months = round(duration.as('M')),
+            weeks = round(duration.as('w')),
+            years = round(duration.as('y')),
+            a =
+                (seconds <= thresholds.ss && ['s', seconds]) ||
+                (seconds < thresholds.s && ['ss', seconds]) ||
+                (minutes <= 1 && ['m']) ||
+                (minutes < thresholds.m && ['mm', minutes]) ||
+                (hours <= 1 && ['h']) ||
+                (hours < thresholds.h && ['hh', hours]) ||
+                (days <= 1 && ['d']) ||
+                (days < thresholds.d && ['dd', days]);
+
+        if (thresholds.w != null) {
+            a =
+                a ||
+                (weeks <= 1 && ['w']) ||
+                (weeks < thresholds.w && ['ww', weeks]);
+        }
+        a = a ||
+            (months <= 1 && ['M']) ||
+            (months < thresholds.M && ['MM', months]) ||
+            (years <= 1 && ['y']) || ['yy', years];
 
         a[2] = withoutSuffix;
         a[3] = +posNegDuration > 0;
@@ -2943,8 +5447,20 @@
         return substituteTimeAgo.apply(null, a);
     }
 
+    // This function allows you to set the rounding function for relative time strings
+    function getSetRelativeTimeRounding(roundingFunction) {
+        if (roundingFunction === undefined) {
+            return round;
+        }
+        if (typeof roundingFunction === 'function') {
+            round = roundingFunction;
+            return true;
+        }
+        return false;
+    }
+
     // This function allows you to set a threshold for relative time strings
-    function duration_humanize__getSetRelativeTimeThreshold (threshold, limit) {
+    function getSetRelativeTimeThreshold(threshold, limit) {
         if (thresholds[threshold] === undefined) {
             return false;
         }
@@ -2952,12 +5468,38 @@
             return thresholds[threshold];
         }
         thresholds[threshold] = limit;
+        if (threshold === 's') {
+            thresholds.ss = limit - 1;
+        }
         return true;
     }
 
-    function humanize (withSuffix) {
-        var locale = this.localeData();
-        var output = duration_humanize__relativeTime(this, !withSuffix, locale);
+    function humanize(argWithSuffix, argThresholds) {
+        if (!this.isValid()) {
+            return this.localeData().invalidDate();
+        }
+
+        var withSuffix = false,
+            th = thresholds,
+            locale,
+            output;
+
+        if (typeof argWithSuffix === 'object') {
+            argThresholds = argWithSuffix;
+            argWithSuffix = false;
+        }
+        if (typeof argWithSuffix === 'boolean') {
+            withSuffix = argWithSuffix;
+        }
+        if (typeof argThresholds === 'object') {
+            th = Object.assign({}, thresholds, argThresholds);
+            if (argThresholds.s != null && argThresholds.ss == null) {
+                th.ss = argThresholds.s - 1;
+            }
+        }
+
+        locale = this.localeData();
+        output = relativeTime$1(this, !withSuffix, th, locale);
 
         if (withSuffix) {
             output = locale.pastFuture(+this, output);
@@ -2966,17 +5508,36 @@
         return locale.postformat(output);
     }
 
-    var iso_string__abs = Math.abs;
+    var abs$1 = Math.abs;
 
-    function iso_string__toISOString() {
-        // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
-        var Y = iso_string__abs(this.years());
-        var M = iso_string__abs(this.months());
-        var D = iso_string__abs(this.days());
-        var h = iso_string__abs(this.hours());
-        var m = iso_string__abs(this.minutes());
-        var s = iso_string__abs(this.seconds() + this.milliseconds() / 1000);
-        var total = this.asSeconds();
+    function sign(x) {
+        return (x > 0) - (x < 0) || +x;
+    }
+
+    function toISOString$1() {
+        // for ISO strings we do not use the normal bubbling rules:
+        //  * milliseconds bubble up until they become hours
+        //  * days do not bubble at all
+        //  * months bubble up until they become years
+        // This is because there is no context-free conversion between hours and days
+        // (think of clock changes)
+        // and also not between days and months (28-31 days per month)
+        if (!this.isValid()) {
+            return this.localeData().invalidDate();
+        }
+
+        var seconds = abs$1(this._milliseconds) / 1000,
+            days = abs$1(this._days),
+            months = abs$1(this._months),
+            minutes,
+            hours,
+            years,
+            s,
+            total = this.asSeconds(),
+            totalSign,
+            ymSign,
+            daysSign,
+            hmsSign;
 
         if (!total) {
             // this is the same as C#'s (Noda) and python (isodate)...
@@ -2984,54 +5545,79 @@
             return 'P0D';
         }
 
-        return (total < 0 ? '-' : '') +
+        // 3600 seconds -> 60 minutes -> 1 hour
+        minutes = absFloor(seconds / 60);
+        hours = absFloor(minutes / 60);
+        seconds %= 60;
+        minutes %= 60;
+
+        // 12 months -> 1 year
+        years = absFloor(months / 12);
+        months %= 12;
+
+        // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
+        s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : '';
+
+        totalSign = total < 0 ? '-' : '';
+        ymSign = sign(this._months) !== sign(total) ? '-' : '';
+        daysSign = sign(this._days) !== sign(total) ? '-' : '';
+        hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : '';
+
+        return (
+            totalSign +
             'P' +
-            (Y ? Y + 'Y' : '') +
-            (M ? M + 'M' : '') +
-            (D ? D + 'D' : '') +
-            ((h || m || s) ? 'T' : '') +
-            (h ? h + 'H' : '') +
-            (m ? m + 'M' : '') +
-            (s ? s + 'S' : '');
-    }
-
-    var duration_prototype__proto = Duration.prototype;
-
-    duration_prototype__proto.abs            = duration_abs__abs;
-    duration_prototype__proto.add            = duration_add_subtract__add;
-    duration_prototype__proto.subtract       = duration_add_subtract__subtract;
-    duration_prototype__proto.as             = as;
-    duration_prototype__proto.asMilliseconds = asMilliseconds;
-    duration_prototype__proto.asSeconds      = asSeconds;
-    duration_prototype__proto.asMinutes      = asMinutes;
-    duration_prototype__proto.asHours        = asHours;
-    duration_prototype__proto.asDays         = asDays;
-    duration_prototype__proto.asWeeks        = asWeeks;
-    duration_prototype__proto.asMonths       = asMonths;
-    duration_prototype__proto.asYears        = asYears;
-    duration_prototype__proto.valueOf        = duration_as__valueOf;
-    duration_prototype__proto._bubble        = bubble;
-    duration_prototype__proto.get            = duration_get__get;
-    duration_prototype__proto.milliseconds   = duration_get__milliseconds;
-    duration_prototype__proto.seconds        = seconds;
-    duration_prototype__proto.minutes        = minutes;
-    duration_prototype__proto.hours          = hours;
-    duration_prototype__proto.days           = days;
-    duration_prototype__proto.weeks          = weeks;
-    duration_prototype__proto.months         = months;
-    duration_prototype__proto.years          = years;
-    duration_prototype__proto.humanize       = humanize;
-    duration_prototype__proto.toISOString    = iso_string__toISOString;
-    duration_prototype__proto.toString       = iso_string__toISOString;
-    duration_prototype__proto.toJSON         = iso_string__toISOString;
-    duration_prototype__proto.locale         = locale;
-    duration_prototype__proto.localeData     = localeData;
-
-    // Deprecations
-    duration_prototype__proto.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', iso_string__toISOString);
-    duration_prototype__proto.lang = lang;
+            (years ? ymSign + years + 'Y' : '') +
+            (months ? ymSign + months + 'M' : '') +
+            (days ? daysSign + days + 'D' : '') +
+            (hours || minutes || seconds ? 'T' : '') +
+            (hours ? hmsSign + hours + 'H' : '') +
+            (minutes ? hmsSign + minutes + 'M' : '') +
+            (seconds ? hmsSign + s + 'S' : '')
+        );
+    }
 
-    // Side effect imports
+    var proto$2 = Duration.prototype;
+
+    proto$2.isValid = isValid$1;
+    proto$2.abs = abs;
+    proto$2.add = add$1;
+    proto$2.subtract = subtract$1;
+    proto$2.as = as;
+    proto$2.asMilliseconds = asMilliseconds;
+    proto$2.asSeconds = asSeconds;
+    proto$2.asMinutes = asMinutes;
+    proto$2.asHours = asHours;
+    proto$2.asDays = asDays;
+    proto$2.asWeeks = asWeeks;
+    proto$2.asMonths = asMonths;
+    proto$2.asQuarters = asQuarters;
+    proto$2.asYears = asYears;
+    proto$2.valueOf = valueOf$1;
+    proto$2._bubble = bubble;
+    proto$2.clone = clone$1;
+    proto$2.get = get$2;
+    proto$2.milliseconds = milliseconds;
+    proto$2.seconds = seconds;
+    proto$2.minutes = minutes;
+    proto$2.hours = hours;
+    proto$2.days = days;
+    proto$2.weeks = weeks;
+    proto$2.months = months;
+    proto$2.years = years;
+    proto$2.humanize = humanize;
+    proto$2.toISOString = toISOString$1;
+    proto$2.toString = toISOString$1;
+    proto$2.toJSON = toISOString$1;
+    proto$2.locale = locale;
+    proto$2.localeData = localeData;
+
+    proto$2.toIsoString = deprecate(
+        'toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)',
+        toISOString$1
+    );
+    proto$2.lang = lang;
+
+    // FORMATTING
 
     addFormatToken('X', 0, 0, 'unix');
     addFormatToken('x', 0, 0, 'valueOf');
@@ -3041,43 +5627,59 @@
     addRegexToken('x', matchSigned);
     addRegexToken('X', matchTimestamp);
     addParseToken('X', function (input, array, config) {
-        config._d = new Date(parseFloat(input, 10) * 1000);
+        config._d = new Date(parseFloat(input) * 1000);
     });
     addParseToken('x', function (input, array, config) {
         config._d = new Date(toInt(input));
     });
 
-    // Side effect imports
+    //! moment.js
+
+    hooks.version = '2.29.3';
+
+    setHookCallback(createLocal);
+
+    hooks.fn = proto;
+    hooks.min = min;
+    hooks.max = max;
+    hooks.now = now;
+    hooks.utc = createUTC;
+    hooks.unix = createUnix;
+    hooks.months = listMonths;
+    hooks.isDate = isDate;
+    hooks.locale = getSetGlobalLocale;
+    hooks.invalid = createInvalid;
+    hooks.duration = createDuration;
+    hooks.isMoment = isMoment;
+    hooks.weekdays = listWeekdays;
+    hooks.parseZone = createInZone;
+    hooks.localeData = getLocale;
+    hooks.isDuration = isDuration;
+    hooks.monthsShort = listMonthsShort;
+    hooks.weekdaysMin = listWeekdaysMin;
+    hooks.defineLocale = defineLocale;
+    hooks.updateLocale = updateLocale;
+    hooks.locales = listLocales;
+    hooks.weekdaysShort = listWeekdaysShort;
+    hooks.normalizeUnits = normalizeUnits;
+    hooks.relativeTimeRounding = getSetRelativeTimeRounding;
+    hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;
+    hooks.calendarFormat = getCalendarFormat;
+    hooks.prototype = proto;
+
+    // currently HTML5 input type only supports 24-hour formats
+    hooks.HTML5_FMT = {
+        DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // <input type="datetime-local" />
+        DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // <input type="datetime-local" step="1" />
+        DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // <input type="datetime-local" step="0.001" />
+        DATE: 'YYYY-MM-DD', // <input type="date" />
+        TIME: 'HH:mm', // <input type="time" />
+        TIME_SECONDS: 'HH:mm:ss', // <input type="time" step="1" />
+        TIME_MS: 'HH:mm:ss.SSS', // <input type="time" step="0.001" />
+        WEEK: 'GGGG-[W]WW', // <input type="week" />
+        MONTH: 'YYYY-MM', // <input type="month" />
+    };
 
+    return hooks;
 
-    utils_hooks__hooks.version = '2.10.2';
-
-    setHookCallback(local__createLocal);
-
-    utils_hooks__hooks.fn                    = momentPrototype;
-    utils_hooks__hooks.min                   = min;
-    utils_hooks__hooks.max                   = max;
-    utils_hooks__hooks.utc                   = create_utc__createUTC;
-    utils_hooks__hooks.unix                  = moment__createUnix;
-    utils_hooks__hooks.months                = lists__listMonths;
-    utils_hooks__hooks.isDate                = isDate;
-    utils_hooks__hooks.locale                = locale_locales__getSetGlobalLocale;
-    utils_hooks__hooks.invalid               = valid__createInvalid;
-    utils_hooks__hooks.duration              = create__createDuration;
-    utils_hooks__hooks.isMoment              = isMoment;
-    utils_hooks__hooks.weekdays              = lists__listWeekdays;
-    utils_hooks__hooks.parseZone             = moment__createInZone;
-    utils_hooks__hooks.localeData            = locale_locales__getLocale;
-    utils_hooks__hooks.isDuration            = isDuration;
-    utils_hooks__hooks.monthsShort           = lists__listMonthsShort;
-    utils_hooks__hooks.weekdaysMin           = lists__listWeekdaysMin;
-    utils_hooks__hooks.defineLocale          = defineLocale;
-    utils_hooks__hooks.weekdaysShort         = lists__listWeekdaysShort;
-    utils_hooks__hooks.normalizeUnits        = normalizeUnits;
-    utils_hooks__hooks.relativeTimeThreshold = duration_humanize__getSetRelativeTimeThreshold;
-
-    var _moment = utils_hooks__hooks;
-
-    return _moment;
-
-}));
\ No newline at end of file
+})));
diff --git a/NEMO/static/moment.min.js b/NEMO/static/moment.min.js
new file mode 100644
index 00000000..70329af1
--- /dev/null
+++ b/NEMO/static/moment.min.js
@@ -0,0 +1,2 @@
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.moment=t()}(this,function(){"use strict";var H;function f(){return H.apply(null,arguments)}function a(e){return e instanceof Array||"[object Array]"===Object.prototype.toString.call(e)}function F(e){return null!=e&&"[object Object]"===Object.prototype.toString.call(e)}function c(e,t){return Object.prototype.hasOwnProperty.call(e,t)}function L(e){if(Object.getOwnPropertyNames)return 0===Object.getOwnPropertyNames(e).length;for(var t in e)if(c(e,t))return;return 1}function o(e){return void 0===e}function u(e){return"number"==typeof e||"[object Number]"===Object.prototype.toString.call(e)}function V(e){return e instanceof Date||"[object Date]"===Object.prototype.toString.call(e)}function G(e,t){for(var n=[],s=e.length,i=0;i<s;++i)n.push(t(e[i],i));return n}function E(e,t){for(var n in t)c(t,n)&&(e[n]=t[n]);return c(t,"toString")&&(e.toString=t.toString),c(t,"valueOf")&&(e.valueOf=t.valueOf),e}function l(e,t,n,s){return Pt(e,t,n,s,!0).utc()}function m(e){return null==e._pf&&(e._pf={empty:!1,unusedTokens:[],unusedInput:[],overflow:-2,charsLeftOver:0,nullInput:!1,invalidEra:null,invalidMonth:null,invalidFormat:!1,userInvalidated:!1,iso:!1,parsedDateParts:[],era:null,meridiem:null,rfc2822:!1,weekdayMismatch:!1}),e._pf}function A(e){if(null==e._isValid){var t=m(e),n=j.call(t.parsedDateParts,function(e){return null!=e}),n=!isNaN(e._d.getTime())&&t.overflow<0&&!t.empty&&!t.invalidEra&&!t.invalidMonth&&!t.invalidWeekday&&!t.weekdayMismatch&&!t.nullInput&&!t.invalidFormat&&!t.userInvalidated&&(!t.meridiem||t.meridiem&&n);if(e._strict&&(n=n&&0===t.charsLeftOver&&0===t.unusedTokens.length&&void 0===t.bigHour),null!=Object.isFrozen&&Object.isFrozen(e))return n;e._isValid=n}return e._isValid}function I(e){var t=l(NaN);return null!=e?E(m(t),e):m(t).userInvalidated=!0,t}var 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index 00000000..a8536566
--- /dev/null
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\ No newline at end of file
diff --git a/NEMO/static/nemo.css b/NEMO/static/nemo.css
index f9fbe468..907d43d9 100644
--- a/NEMO/static/nemo.css
+++ b/NEMO/static/nemo.css
@@ -275,6 +275,11 @@ div.fc-ltr .fc-time-grid .fc-event-container
     margin-right: 10%;
 }
 
+/* Add extra space on the right of the calendar header where the buttons are */
+.fc-toolbar .fc-right {
+	margin-right: 15px;
+}
+
 /* Twitter typeahead styles */
 .twitter-typeahead
 {
@@ -351,7 +356,6 @@ Twitter Typeahead autocomplete dropdown menu isn't chopped off. */
 
 .customization-separation
 {
-	margin-bottom: 15px;
 	margin-left: -15px;
 	margin-right: -15px;
 	border-top: 1px solid #ddd
@@ -793,6 +797,13 @@ li.area-tree-node a, li.area-tree-node a:hover, li.area-tree-node a:focus
 	border-radius: 4px;
 }
 
+.panel-tab-content
+{
+	border-top: none;
+    border-top-left-radius: 0;
+    border-top-right-radius: 0;
+}
+
 /* Table striped every 2 */
 .table-double-stripped tbody tr:nth-child(4n+1), .table-double-stripped tbody tr:nth-child(4n+2)
 {
@@ -830,3 +841,17 @@ li.area-tree-node a, li.area-tree-node a:hover, li.area-tree-node a:focus
 	vertical-align: middle !important;
 	border-left: 1px solid #ddd;
 }
+
+.btn-input-white
+{
+	background: #fff;
+	-webkit-box-shadow: inset 0 1px 1px rgb(0 0 0 / 8%);
+	box-shadow: inset 0 1px 1px rgb(0 0 0 / 8%);
+}
+
+/* Invalid input for post usage/reservation questions and additional event parameters */
+#tool_control input:invalid, #tool_control select:invalid, #tool_control textarea:invalid,
+#additional_event_parameters input:invalid, #additional_event_parameters select:invalid, #additional_event_parameters textarea:invalid
+{
+	border-color: #dc3545!important;
+}
diff --git a/NEMO/static/nemo.js b/NEMO/static/nemo.js
index 3f40145f..1ea3a65f 100644
--- a/NEMO/static/nemo.js
+++ b/NEMO/static/nemo.js
@@ -2,18 +2,37 @@ String.prototype.capitalize = function() {
     return this.charAt(0).toUpperCase() + this.slice(1);
 }
 
-// This function allows to make regular interval calls to a function only when the tab/window is visible.
+// This function allows making regular interval calls to a function only when the tab/window is visible.
 // It also gets called when the tab/window becomes visible (changing tabs, minimizing window etc.)
+// This function is safe in the sense that is can be called multiple times with the same function.
+// It will clear any previously set events and replace them with the new ones.
+let function_handlers = {};
 function set_interval_when_visible(doc, function_to_repeat, time)
 {
-	doc.addEventListener("visibilitychange", function()
-	{
-		function_to_repeat();
-	});
-	setInterval(function()
+	const function_name = function_to_repeat.name;
+	if (!function_name)
 	{
+		console.error("You can only call 'set_interval_when_visible' with a named function");
+	}
+	let call_function_when_visible = function () {
 		if (!doc.hidden) function_to_repeat();
-	}, time)
+	}
+	if (function_handlers[function_name])
+	{
+		// Clear the previous event and interval handler
+		doc.removeEventListener("visibilitychange", function_handlers[function_name][0]);
+		clearInterval(function_handlers[function_name][1]);
+	}
+	if (time)
+	{
+		doc.addEventListener("visibilitychange", call_function_when_visible);
+		let intervalHandle = setInterval(call_function_when_visible, time);
+		if (function_name)
+		{
+			// Save new event and handler
+			function_handlers[function_name] = [call_function_when_visible, intervalHandle];
+		}
+	}
 }
 
 // This function allows any page to switch between content tabs in
diff --git a/NEMO/static/numpad/custom_numpad.jquery.js b/NEMO/static/numpad/custom_numpad.jquery.js
index 853b173c..a24a4bac 100644
--- a/NEMO/static/numpad/custom_numpad.jquery.js
+++ b/NEMO/static/numpad/custom_numpad.jquery.js
@@ -11,7 +11,7 @@
  *
  * Version: 1.4
  *
- * !!!!! Added readonly as option and boostrap style !!!!!
+ * !!!!! Added readonly as option and bootstrap style !!!!!
  */
 (function($){
 
diff --git a/NEMO/static/typeahead.jquery.min.js b/NEMO/static/typeahead.jquery.min.js
new file mode 100644
index 00000000..3ee29ebc
--- /dev/null
+++ b/NEMO/static/typeahead.jquery.min.js
@@ -0,0 +1,7 @@
+/*!
+ * typeahead.js 0.10.5
+ * https://github.com/twitter/typeahead.js
+ * Copyright 2013-2014 Twitter, Inc. and other contributors; Licensed MIT
+ */
+
+!function(a){var b=function(){"use strict";return{isMsie:function(){return/(msie|trident)/i.test(navigator.userAgent)?navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2]:!1},isBlankString:function(a){return!a||/^\s*$/.test(a)},escapeRegExChars:function(a){return a.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,"\\$&")},isString:function(a){return"string"==typeof a},isNumber:function(a){return"number"==typeof a},isArray:a.isArray,isFunction:a.isFunction,isObject:a.isPlainObject,isUndefined:function(a){return"undefined"==typeof a},toStr:function(a){return b.isUndefined(a)||null===a?"":a+""},bind:a.proxy,each:function(b,c){function d(a,b){return c(b,a)}a.each(b,d)},map:a.map,filter:a.grep,every:function(b,c){var d=!0;return b?(a.each(b,function(a,e){return(d=c.call(null,e,a,b))?void 0:!1}),!!d):d},some:function(b,c){var d=!1;return b?(a.each(b,function(a,e){return(d=c.call(null,e,a,b))?!1:void 0}),!!d):d},mixin:a.extend,getUniqueId:function(){var a=0;return function(){return a++}}(),templatify:function(b){function c(){return String(b)}return a.isFunction(b)?b:c},defer:function(a){setTimeout(a,0)},debounce:function(a,b,c){var d,e;return function(){var f,g,h=this,i=arguments;return f=function(){d=null,c||(e=a.apply(h,i))},g=c&&!d,clearTimeout(d),d=setTimeout(f,b),g&&(e=a.apply(h,i)),e}},throttle:function(a,b){var c,d,e,f,g,h;return g=0,h=function(){g=new Date,e=null,f=a.apply(c,d)},function(){var i=new Date,j=b-(i-g);return c=this,d=arguments,0>=j?(clearTimeout(e),e=null,g=i,f=a.apply(c,d)):e||(e=setTimeout(h,j)),f}},noop:function(){}}}(),c=function(){return{wrapper:'<span class="twitter-typeahead"></span>',dropdown:'<span class="tt-dropdown-menu"></span>',dataset:'<div class="tt-dataset-%CLASS%"></div>',suggestions:'<span class="tt-suggestions"></span>',suggestion:'<div class="tt-suggestion"></div>'}}(),d=function(){"use strict";var a={wrapper:{position:"relative",display:"inline-block"},hint:{position:"absolute",top:"0",left:"0",borderColor:"transparent",boxShadow:"none",opacity:"1"},input:{position:"relative",verticalAlign:"top",backgroundColor:"transparent"},inputWithNoHint:{position:"relative",verticalAlign:"top"},dropdown:{position:"absolute",top:"100%",left:"0",zIndex:"100",display:"none"},suggestions:{display:"block"},suggestion:{whiteSpace:"nowrap",cursor:"pointer"},suggestionChild:{whiteSpace:"normal"},ltr:{left:"0",right:"auto"},rtl:{left:"auto",right:" 0"}};return b.isMsie()&&b.mixin(a.input,{backgroundImage:"url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)"}),b.isMsie()&&b.isMsie()<=7&&b.mixin(a.input,{marginTop:"-1px"}),a}(),e=function(){"use strict";function c(b){b&&b.el||a.error("EventBus initialized without el"),this.$el=a(b.el)}var d="typeahead:";return b.mixin(c.prototype,{trigger:function(a){var 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d(a){return"<p>"+c(a)+"</p>"}return{empty:a.empty&&b.templatify(a.empty),header:a.header&&b.templatify(a.header),footer:a.footer&&b.templatify(a.footer),suggestion:a.suggestion||d}}function j(a){return/^[_a-zA-Z0-9-]+$/.test(a)}var k="ttDataset",l="ttValue",m="ttDatum";return e.extractDatasetName=function(b){return a(b).data(k)},e.extractValue=function(b){return a(b).data(l)},e.extractDatum=function(b){return a(b).data(m)},b.mixin(e.prototype,f,{_render:function(e,f){function h(){return p.templates.empty({query:e,isEmpty:!0})}function i(){function h(b){var e;return e=a(c.suggestion).append(p.templates.suggestion(b)).data(k,p.name).data(l,p.displayFn(b)).data(m,b),e.children().each(function(){a(this).css(d.suggestionChild)}),e}var i,j;return i=a(c.suggestions).css(d.suggestions),j=b.map(f,h),i.append.apply(i,j),p.highlight&&g({className:"tt-highlight",node:i[0],pattern:e}),i}function j(){return p.templates.header({query:e,isEmpty:!o})}function n(){return p.templates.footer({query:e,isEmpty:!o})}if(this.$el){var o,p=this;this.$el.empty(),o=f&&f.length,!o&&this.templates.empty?this.$el.html(h()).prepend(p.templates.header?j():null).append(p.templates.footer?n():null):o&&this.$el.html(i()).prepend(p.templates.header?j():null).append(p.templates.footer?n():null),this.trigger("rendered")}},getRoot:function(){return this.$el},update:function(a){function b(b){c.canceled||a!==c.query||c._render(a,b)}var c=this;this.query=a,this.canceled=!1,this.source(a,b)},cancel:function(){this.canceled=!0},clear:function(){this.cancel(),this.$el.empty(),this.trigger("rendered")},isEmpty:function(){return this.$el.is(":empty")},destroy:function(){this.$el=null}}),e}(),j=function(){"use strict";function c(c){var d,f,g,h=this;c=c||{},c.menu||a.error("menu is required"),this.isOpen=!1,this.isEmpty=!0,this.datasets=b.map(c.datasets,e),d=b.bind(this._onSuggestionClick,this),f=b.bind(this._onSuggestionMouseEnter,this),g=b.bind(this._onSuggestionMouseLeave,this),this.$menu=a(c.menu).on("click.tt",".tt-suggestion",d).on("mouseenter.tt",".tt-suggestion",f).on("mouseleave.tt",".tt-suggestion",g),b.each(this.datasets,function(a){h.$menu.append(a.getRoot()),a.onSync("rendered",h._onRendered,h)})}function e(a){return new i(a)}return b.mixin(c.prototype,f,{_onSuggestionClick:function(b){this.trigger("suggestionClicked",a(b.currentTarget))},_onSuggestionMouseEnter:function(b){this._removeCursor(),this._setCursor(a(b.currentTarget),!0)},_onSuggestionMouseLeave:function(){this._removeCursor()},_onRendered:function(){function a(a){return a.isEmpty()}this.isEmpty=b.every(this.datasets,a),this.isEmpty?this._hide():this.isOpen&&this._show(),this.trigger("datasetRendered")},_hide:function(){this.$menu.hide()},_show:function(){this.$menu.css("display","block")},_getSuggestions:function(){return this.$menu.find(".tt-suggestion")},_getCursor:function(){return this.$menu.find(".tt-cursor").first()},_setCursor:function(a,b){a.first().addClass("tt-cursor"),!b&&this.trigger("cursorMoved")},_removeCursor:function(){this._getCursor().removeClass("tt-cursor")},_moveCursor:function(a){var b,c,d,e;if(this.isOpen){if(c=this._getCursor(),b=this._getSuggestions(),this._removeCursor(),d=b.index(c)+a,d=(d+1)%(b.length+1)-1,-1===d)return void this.trigger("cursorRemoved");-1>d&&(d=b.length-1),this._setCursor(e=b.eq(d)),this._ensureVisible(e)}},_ensureVisible:function(a){var b,c,d,e;b=a.position().top,c=b+a.outerHeight(!0),d=this.$menu.scrollTop(),e=this.$menu.height()+parseInt(this.$menu.css("paddingTop"),10)+parseInt(this.$menu.css("paddingBottom"),10),0>b?this.$menu.scrollTop(d+b):c>e&&this.$menu.scrollTop(d+(c-e))},close:function(){this.isOpen&&(this.isOpen=!1,this._removeCursor(),this._hide(),this.trigger("closed"))},open:function(){this.isOpen||(this.isOpen=!0,!this.isEmpty&&this._show(),this.trigger("opened"))},setLanguageDirection:function(a){this.$menu.css("ltr"===a?d.ltr:d.rtl)},moveCursorUp:function(){this._moveCursor(-1)},moveCursorDown:function(){this._moveCursor(1)},getDatumForSuggestion:function(a){var b=null;return a.length&&(b={raw:i.extractDatum(a),value:i.extractValue(a),datasetName:i.extractDatasetName(a)}),b},getDatumForCursor:function(){return this.getDatumForSuggestion(this._getCursor().first())},getDatumForTopSuggestion:function(){return this.getDatumForSuggestion(this._getSuggestions().first())},update:function(a){function c(b){b.update(a)}b.each(this.datasets,c)},empty:function(){function a(a){a.clear()}b.each(this.datasets,a),this.isEmpty=!0},isVisible:function(){return this.isOpen&&!this.isEmpty},destroy:function(){function a(a){a.destroy()}this.$menu.off(".tt"),this.$menu=null,b.each(this.datasets,a)}}),c}(),k=function(){"use strict";function f(c){var d,f,i;c=c||{},c.input||a.error("missing input"),this.isActivated=!1,this.autoselect=!!c.autoselect,this.minLength=b.isNumber(c.minLength)?c.minLength:1,this.$node=g(c.input,c.withHint),d=this.$node.find(".tt-dropdown-menu"),f=this.$node.find(".tt-input"),i=this.$node.find(".tt-hint"),f.on("blur.tt",function(a){var c,e,g;c=document.activeElement,e=d.is(c),g=d.has(c).length>0,b.isMsie()&&(e||g)&&(a.preventDefault(),a.stopImmediatePropagation(),b.defer(function(){f.focus()}))}),d.on("mousedown.tt",function(a){a.preventDefault()}),this.eventBus=c.eventBus||new e({el:f}),this.dropdown=new j({menu:d,datasets:c.datasets}).onSync("suggestionClicked",this._onSuggestionClicked,this).onSync("cursorMoved",this._onCursorMoved,this).onSync("cursorRemoved",this._onCursorRemoved,this).onSync("opened",this._onOpened,this).onSync("closed",this._onClosed,this).onAsync("datasetRendered",this._onDatasetRendered,this),this.input=new h({input:f,hint:i}).onSync("focused",this._onFocused,this).onSync("blurred",this._onBlurred,this).onSync("enterKeyed",this._onEnterKeyed,this).onSync("tabKeyed",this._onTabKeyed,this).onSync("escKeyed",this._onEscKeyed,this).onSync("upKeyed",this._onUpKeyed,this).onSync("downKeyed",this._onDownKeyed,this).onSync("leftKeyed",this._onLeftKeyed,this).onSync("rightKeyed",this._onRightKeyed,this).onSync("queryChanged",this._onQueryChanged,this).onSync("whitespaceChanged",this._onWhitespaceChanged,this),this._setLanguageDirection()}function g(b,e){var f,g,h,j;f=a(b),g=a(c.wrapper).css(d.wrapper),h=a(c.dropdown).css(d.dropdown),j=f.clone().css(d.hint).css(i(f)),j.val("").removeData().addClass("tt-hint").removeAttr("id name placeholder required").prop("readonly",!0).attr({autocomplete:"off",spellcheck:"false",tabindex:-1}),f.data(l,{dir:f.attr("dir"),autocomplete:f.attr("autocomplete"),spellcheck:f.attr("spellcheck"),style:f.attr("style")}),f.addClass("tt-input").attr({autocomplete:"off",spellcheck:!1}).css(e?d.input:d.inputWithNoHint);try{!f.attr("dir")&&f.attr("dir","auto")}catch(k){}return f.wrap(g).parent().prepend(e?j:null).append(h)}function i(a){return{backgroundAttachment:a.css("background-attachment"),backgroundClip:a.css("background-clip"),backgroundColor:a.css("background-color"),backgroundImage:a.css("background-image"),backgroundOrigin:a.css("background-origin"),backgroundPosition:a.css("background-position"),backgroundRepeat:a.css("background-repeat"),backgroundSize:a.css("background-size")}}function k(a){var c=a.find(".tt-input");b.each(c.data(l),function(a,d){b.isUndefined(a)?c.removeAttr(d):c.attr(d,a)}),c.detach().removeData(l).removeClass("tt-input").insertAfter(a),a.remove()}var l="ttAttrs";return b.mixin(f.prototype,{_onSuggestionClicked:function(a,b){var c;(c=this.dropdown.getDatumForSuggestion(b))&&this._select(c)},_onCursorMoved:function(){var a=this.dropdown.getDatumForCursor();this.input.setInputValue(a.value,!0),this.eventBus.trigger("cursorchanged",a.raw,a.datasetName)},_onCursorRemoved:function(){this.input.resetInputValue(),this._updateHint()},_onDatasetRendered:function(){this._updateHint()},_onOpened:function(){this._updateHint(),this.eventBus.trigger("opened")},_onClosed:function(){this.input.clearHint(),this.eventBus.trigger("closed")},_onFocused:function(){this.isActivated=!0,this.dropdown.open()},_onBlurred:function(){this.isActivated=!1,this.dropdown.empty(),this.dropdown.close()},_onEnterKeyed:function(a,b){var c,d;c=this.dropdown.getDatumForCursor(),d=this.dropdown.getDatumForTopSuggestion(),c?(this._select(c),b.preventDefault()):this.autoselect&&d&&(this._select(d),b.preventDefault())},_onTabKeyed:function(a,b){var c;(c=this.dropdown.getDatumForCursor())?(this._select(c),b.preventDefault()):this._autocomplete(!0)},_onEscKeyed:function(){this.dropdown.close(),this.input.resetInputValue()},_onUpKeyed:function(){var a=this.input.getQuery();this.dropdown.isEmpty&&a.length>=this.minLength?this.dropdown.update(a):this.dropdown.moveCursorUp(),this.dropdown.open()},_onDownKeyed:function(){var a=this.input.getQuery();this.dropdown.isEmpty&&a.length>=this.minLength?this.dropdown.update(a):this.dropdown.moveCursorDown(),this.dropdown.open()},_onLeftKeyed:function(){"rtl"===this.dir&&this._autocomplete()},_onRightKeyed:function(){"ltr"===this.dir&&this._autocomplete()},_onQueryChanged:function(a,b){this.input.clearHintIfInvalid(),b.length>=this.minLength?this.dropdown.update(b):this.dropdown.empty(),this.dropdown.open(),this._setLanguageDirection()},_onWhitespaceChanged:function(){this._updateHint(),this.dropdown.open()},_setLanguageDirection:function(){var a;this.dir!==(a=this.input.getLanguageDirection())&&(this.dir=a,this.$node.css("direction",a),this.dropdown.setLanguageDirection(a))},_updateHint:function(){var a,c,d,e,f,g;a=this.dropdown.getDatumForTopSuggestion(),a&&this.dropdown.isVisible()&&!this.input.hasOverflow()?(c=this.input.getInputValue(),d=h.normalizeQuery(c),e=b.escapeRegExChars(d),f=new RegExp("^(?:"+e+")(.+$)","i"),g=f.exec(a.value),g?this.input.setHint(c+g[1]):this.input.clearHint()):this.input.clearHint()},_autocomplete:function(a){var b,c,d,e;b=this.input.getHint(),c=this.input.getQuery(),d=a||this.input.isCursorAtEnd(),b&&c!==b&&d&&(e=this.dropdown.getDatumForTopSuggestion(),e&&this.input.setInputValue(e.value),this.eventBus.trigger("autocompleted",e.raw,e.datasetName))},_select:function(a){this.input.setQuery(a.value),this.input.setInputValue(a.value,!0),this._setLanguageDirection(),this.eventBus.trigger("selected",a.raw,a.datasetName),this.dropdown.close(),b.defer(b.bind(this.dropdown.empty,this.dropdown))},open:function(){this.dropdown.open()},close:function(){this.dropdown.close()},setVal:function(a){a=b.toStr(a),this.isActivated?this.input.setInputValue(a):(this.input.setQuery(a),this.input.setInputValue(a,!0)),this._setLanguageDirection()},getVal:function(){return this.input.getQuery()},destroy:function(){this.input.destroy(),this.dropdown.destroy(),k(this.$node),this.$node=null}}),f}();!function(){"use strict";var c,d,f;c=a.fn.typeahead,d="ttTypeahead",f={initialize:function(c,f){function g(){var g,h,i=a(this);b.each(f,function(a){a.highlight=!!c.highlight}),h=new k({input:i,eventBus:g=new e({el:i}),withHint:b.isUndefined(c.hint)?!0:!!c.hint,minLength:c.minLength,autoselect:c.autoselect,datasets:f}),i.data(d,h)}return f=b.isArray(f)?f:[].slice.call(arguments,1),c=c||{},this.each(g)},open:function(){function b(){var b,c=a(this);(b=c.data(d))&&b.open()}return this.each(b)},close:function(){function b(){var b,c=a(this);(b=c.data(d))&&b.close()}return this.each(b)},val:function(b){function c(){var c,e=a(this);(c=e.data(d))&&c.setVal(b)}function e(a){var b,c;return(b=a.data(d))&&(c=b.getVal()),c}return arguments.length?this.each(c):e(this.first())},destroy:function(){function b(){var b,c=a(this);(b=c.data(d))&&(b.destroy(),c.removeData(d))}return this.each(b)}},a.fn.typeahead=function(b){var c;return f[b]&&"initialize"!==b?(c=this.filter(function(){return!!a(this).data(d)}),f[b].apply(c,[].slice.call(arguments,1))):f.initialize.apply(this,arguments)},a.fn.typeahead.noConflict=function(){return a.fn.typeahead=c,this}}()}(window.jQuery);
\ No newline at end of file
diff --git a/NEMO/templates/abuse/abuse.html b/NEMO/templates/abuse/abuse.html
index 19d19aa0..16262de3 100644
--- a/NEMO/templates/abuse/abuse.html
+++ b/NEMO/templates/abuse/abuse.html
@@ -56,11 +56,11 @@ <h1>Reservation abuse</h1>
 		<div class="form-group">
 			<label for="start" class="col-sm-3 control-label">Starting</label>
 			<div class="col-sm-3">
-				<input id="start" type="text" name="start" class="form-control" value="{{ form.start.value|to_date:"m/d/Y" }}">
+				<input id="start" type="text" name="start" class="form-control" value="{{ form.start.value|input_date_format }}">
 			</div>
 			<label for="end" class="col-sm-1 control-label">Ending</label>
 			<div class="col-sm-3">
-				<input id="end" type="text" name="end" class="form-control" value="{{ form.end.value|to_date:"m/d/Y" }}">
+				<input id="end" type="text" name="end" class="form-control" value="{{ form.end.value|input_date_format }}">
 			</div>
 		</div>
 		<div class="form-group">
@@ -88,7 +88,7 @@ <h1>Reservation abuse</h1>
 	{% endif %}
 
 	<script>
-		let timepicker_properties = {format: 'MM/DD/YYYY'};
+		let timepicker_properties = {format: '{{ date_input_js_format }}'};
 		$('#start').datetimepicker(timepicker_properties);
 		$('#end').datetimepicker(timepicker_properties);
 	</script>
diff --git a/NEMO/templates/accounts_and_projects/create_account.html b/NEMO/templates/accounts_and_projects/create_account.html
index 05fae4fb..e7224731 100644
--- a/NEMO/templates/accounts_and_projects/create_account.html
+++ b/NEMO/templates/accounts_and_projects/create_account.html
@@ -40,7 +40,7 @@ <h1>New account</h1>
         <div class="form-group">
             <label for="start_date" class="control-label col-sm-2">Start date</label>
             <div class="col-sm-4">
-				<input type="text" id="start_date" name="start_date" class="form-control" placeholder="Choose a date" value="{{ form.start_date.value|to_date:"m/d/Y" }}">
+				<input type="text" id="start_date" name="start_date" class="form-control" placeholder="Choose a date" value="{{ form.start_date.value|input_date_format }}">
             </div>
             <div class="col-sm-6 form-control-static danger-highlight">
 				{{ form.start_date.errors|striptags }}
@@ -69,7 +69,7 @@ <h1>New account</h1>
     <script>
     window.addEventListener("load", function ()
     {
-        $('#start_date').datetimepicker({format: 'MM/DD/YYYY'});
+        $('#start_date').datetimepicker({format: '{{ date_input_js_format }}'});
     });
     </script>
 {% endblock %}
\ No newline at end of file
diff --git a/NEMO/templates/accounts_and_projects/create_project.html b/NEMO/templates/accounts_and_projects/create_project.html
index 062c5b4d..4b6f0231 100644
--- a/NEMO/templates/accounts_and_projects/create_project.html
+++ b/NEMO/templates/accounts_and_projects/create_project.html
@@ -47,7 +47,7 @@ <h1>New project</h1>
         <div class="form-group">
             <label for="start_date" class="control-label col-sm-2">Start date</label>
             <div class="col-sm-4">
-				<input type="text" id="start_date" name="start_date" class="form-control" placeholder="Choose a date" value="{{ form.start_date.value|to_date:"m/d/Y" }}">
+				<input type="text" id="start_date" name="start_date" class="form-control" placeholder="Choose a date" value="{{ form.start_date.value|input_date_format }}">
             </div>
             <div class="col-sm-6 form-control-static danger-highlight">
 				{{ form.start_date.errors|striptags }}
@@ -86,7 +86,7 @@ <h1>New project</h1>
 		}
 		window.addEventListener("load", function ()
 		{
-		    $('#start_date').datetimepicker({format: 'MM/DD/YYYY'});
+		    $('#start_date').datetimepicker({format: '{{ date_input_js_format }}'});
 			$('#account_search').autocomplete('account', select_account, {{ account_list|json_search_base }});
 		});
 	</script>
diff --git a/NEMO/templates/area_access/area_access.html b/NEMO/templates/area_access/area_access.html
index 4d462550..d986c1cb 100644
--- a/NEMO/templates/area_access/area_access.html
+++ b/NEMO/templates/area_access/area_access.html
@@ -1,4 +1,5 @@
 {% extends 'base.html' %}
+{% load custom_tags_and_filters %}
 {% block title %}Area access{% endblock %}
 {% block extrahead %}
 	{% load static %}
@@ -19,12 +20,12 @@ <h1>Area access</h1>
 		<div class="form-group">
 			<div class="form-group">
 				<div class="datetimepicker-container">
-					<input type="text" id="start" name="start" class="form-control" autocomplete="off" placeholder="start" value="{{ start|date:"m/d/Y" }}">
+					<input type="text" id="start" name="start" class="form-control" autocomplete="off" placeholder="start" value="{{ start.date|input_date_format }}">
 				</div>
 			</div>
 			<div class="form-group">
 				<div class="datetimepicker-container">
-					<input type="text" id="end" name="end" class="form-control" autocomplete="off" placeholder="end" value="{{ end|date:"m/d/Y" }}">
+					<input type="text" id="end" name="end" class="form-control" autocomplete="off" placeholder="end" value="{{ end.date|input_date_format }}">
 				</div>
 			</div>
 		</div>
@@ -66,7 +67,7 @@ <h1>Area access</h1>
 			</table>
 		{% else %}
 			{% if start or end %}
-				No access records exist between {{ start }} and {{ end }}.
+				No access records exist {% if start and end %}between {{ start }} and {{ end }}{% elif start %}after {{ start }}{% else %}before {{ end }}{% endif %}.
 			{% endif %}
 		{% endif %}
 	</div>
@@ -75,7 +76,7 @@ <h1>Area access</h1>
 		{
 			var timepicker_properties =
 			{
-				format: 'MM/DD/YYYY'
+				format: '{{ date_input_js_format }}'
 			};
 			$('#start').datetimepicker(timepicker_properties);
 			$('#end').datetimepicker(timepicker_properties);
diff --git a/NEMO/templates/base.html b/NEMO/templates/base.html
index 371e6683..68d0dcf4 100644
--- a/NEMO/templates/base.html
+++ b/NEMO/templates/base.html
@@ -23,26 +23,28 @@
 	<script type="text/javascript">
 		if(self === top)
 		{
-			var antiClickjack = document.getElementById("antiClickjack");
+			let antiClickjack = document.getElementById("antiClickjack");
 			antiClickjack.parentNode.removeChild(antiClickjack);
 		}
 		else
 			top.location = self.location;
 	</script>
 
-	{# Moment #}
-	<script type="text/javascript" src="{% static "moment.js" %}"></script>
+    {% block head %}
+        {# Moment #}
+        <script type="text/javascript" src="{% static "moment.min.js" %}"></script>
 
-	{# jQuery #}
-	<script type="text/javascript" src="{% static "jquery.js" %}"></script>
+        {# jQuery #}
+	    <script type="text/javascript" src="{% static "jquery.min.js" %}"></script>
 
-	{# Bootstrap #}
-	<script type="text/javascript" src="{% static "bootstrap/js/bootstrap.js" %}"></script>
-	<link rel="stylesheet" type="text/css" href="{% static "bootstrap/css/bootstrap.css" %}"/>
-	<link rel="stylesheet" type="text/css" href="{% static "bootstrap/css/bootstrap-theme.css" %}"/>
+        {# Bootstrap #}
+        <script type="text/javascript" src="{% static "bootstrap/js/bootstrap.min.js" %}"></script>
+        <link rel="stylesheet" type="text/css" href="{% static "bootstrap/css/bootstrap.min.css" %}"/>
+        <link rel="stylesheet" type="text/css" href="{% static "bootstrap/css/bootstrap-theme.min.css" %}"/>
 
-	{# Typeahead #}
-	<script type="text/javascript" src="{% static "typeahead.jquery.js" %}"></script>
+        {# Typeahead #}
+        <script type="text/javascript" src="{% static "typeahead.jquery.min.js" %}"></script>
+    {% endblock %}
 
 	{# NEMO #}
 	<script type="text/javascript" src="{% static "nemo.js" %}"></script>
diff --git a/NEMO/templates/base/navbar.html b/NEMO/templates/base/navbar.html
index 3d831e26..4cac5bc6 100644
--- a/NEMO/templates/base/navbar.html
+++ b/NEMO/templates/base/navbar.html
@@ -51,6 +51,7 @@
                                 {% if tools_exist %}{% navigation_url 'qualifications' 'Qualifications' %}{% endif %}
                                 {% navigation_url 'remote_work' 'Remote work' %}
                                 {% navigation_url 'resources' 'Resources' %}
+                                {% navigation_url 'sensors' 'Sensor data' %}
                                 {% navigation_url 'staff_charges' 'Staff charges' %}
                                 {% navigation_url 'consumables' 'Supplies' %}
 							    {% if tools_exist %}{% navigation_url 'training' 'Training' %}{% endif %}
diff --git a/NEMO/templates/calendar/calendar.html b/NEMO/templates/calendar/calendar.html
index 87602428..88726e20 100644
--- a/NEMO/templates/calendar/calendar.html
+++ b/NEMO/templates/calendar/calendar.html
@@ -3,8 +3,8 @@
 {% block title %}Calendar{% endblock %}
 {% block extrahead %}
 	{% load static %}
-	<link rel="stylesheet" type="text/css" href="{% static "fullcalendar/fullcalendar.css" %}" />
-	<script type="text/javascript" src="{% static "fullcalendar/fullcalendar.js" %}"></script>
+	<link rel="stylesheet" type="text/css" href="{% static "fullcalendar/fullcalendar.min.css" %}" />
+	<script type="text/javascript" src="{% static "fullcalendar/fullcalendar.min.js" %}"></script>
 {% endblock %}
 {% block body %}
 
diff --git a/NEMO/templates/calendar/scheduled_outage_information.html b/NEMO/templates/calendar/scheduled_outage_information.html
index ab181c94..3fc17c48 100644
--- a/NEMO/templates/calendar/scheduled_outage_information.html
+++ b/NEMO/templates/calendar/scheduled_outage_information.html
@@ -1,7 +1,8 @@
+{% load static %}
+{% load custom_tags_and_filters %}
 {% block extrahead %}
-	{% load static %}
-	<script type="text/javascript" src="{% static "datetimepicker/bootstrap-datepicker.js" %}"></script>
-	<link rel="stylesheet" type="text/css" href="{% static "datetimepicker/bootstrap-datepicker3.css" %}"/>
+    <script type="text/javascript" src="{% static "datetimepicker/bootstrap-datetimepicker.js" %}"></script>
+	<link rel="stylesheet" type="text/css" href="{% static "datetimepicker/bootstrap-datetimepicker.css" %}"/>
 {% endblock %}
 
 <div class="modal-header">
@@ -73,5 +74,5 @@ <h4 class="modal-title">Schedule an outage</h4>
 <script>
 	autofocus('#title');
 	$('#title').on('input', function() { if(this.value) $('#schedule_outage').prop('disabled', false); else $('#schedule_outage').prop('disabled', true); });
-	$('#recurrence_until').datepicker({format: 'mm/dd/yyyy', endDate: moment('{{ recurrence_date_start|date:"m/d/Y" }}').add({{ calendar_outage_recurrence_limit }}, 'days').toDate(), startDate:'{{ recurrence_date_start|date:"m/d/Y" }}', autoclose: true});
+	$('#recurrence_until').datetimepicker({format: '{{ date_input_js_format }}', useCurrent: false, maxDate: moment('{{ recurrence_date_start|input_date_format }}', '{{ date_input_js_format }}').add({{ calendar_outage_recurrence_limit }}, 'days').toDate(), minDate: moment('{{ recurrence_date_start|input_date_format }}', '{{ date_input_js_format }}')});
 </script>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations.html b/NEMO/templates/customizations/customizations.html
index 3c3b1619..3512977a 100644
--- a/NEMO/templates/customizations/customizations.html
+++ b/NEMO/templates/customizations/customizations.html
@@ -5,881 +5,21 @@
 		<h1>Customizations</h1>
 		<p>You can customize portions of {{ site_title }} to suit your organization's needs.</p>
 
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="email_addresses">Email addresses</h3>
-				<form method="POST" action="{% url 'customize' 'email_addresses' %}#email_addresses" class="form-horizontal">
-					{% csrf_token %}
-					<div class="form-group">
-						<label class="control-label col-md-2" for="feedback_email_address">Feedback</label>
-						<div class="col-md-3">
-							<input type="email" id="feedback_email_address" name="feedback_email_address" class="form-control" value="{{ feedback_email_address }}" placeholder="feedback@example.org">
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							User feedback from the <a href="{% url 'feedback' %}">Feedback page</a> is sent to this email address.
-						</div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="safety_email_address">Safety</label>
-						<div class="col-md-3">
-							<input type="email" id="safety_email_address" name="safety_email_address" class="form-control" value="{{ safety_email_address }}" placeholder="safety@example.org">
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							<a href="{% url 'safety' %}">Safety suggestions and observations</a> are sent to this email address.
-						</div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="abuse_email_address">Abuse</label>
-						<div class="col-md-3">
-							<input type="email" id="abuse_email_address" name="abuse_email_address" class="form-control" value="{{ abuse_email_address }}" placeholder="abuse@example.org">
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							Alerts about user activities that could constitute 'abuse' are sent to this email address. Examples include missed reservations and unauthorized tool access.
-						</div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="user_office_email_address">User office</label>
-						<div class="col-md-3">
-							<input type="email" id="user_office_email_address" name="user_office_email_address" class="form-control" value="{{ user_office_email_address }}" placeholder="information@example.org">
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							The main point of contact for users to obtain {{ facility_name }} information. Automated emails sent from {{ site_title }} are typically 'from' this address.
-						</div>
-					</div>
-					<div class="form-group">
-						<div class="col-md-3">
-							<input type="submit" value="Save email addresses" class="btn btn-success">
-						</div>
-					</div>
-				</form>
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="application_settings">Application settings</h3>
-				<form method="POST" action="{% url 'customize' 'application_settings' %}#application_settings" class="form-horizontal">
-					{% csrf_token %}
-					<div class="form-group">
-                        <label class="control-label col-md-2">Area login/logout</label>
-						<div class="col-md-10">
-							<div class="checkbox">
-								<label><input type="checkbox" name="self_log_in" {% if self_log_in %}checked{% endif %} value="enabled">Allow users to log themselves into access controlled areas from the landing page</label><br/>
-								<label><input type="checkbox" name="self_log_out" {% if self_log_out %}checked{% endif %} value="enabled">Allow users to log themselves out of access controlled areas from the landing page</label><br/>
-								<label><input type="checkbox" name="calendar_login_logout" {% if calendar_login_logout %}checked{% endif %} value="enabled">Show access controlled area login/logout button on calendar view (requires login and/or logout feature enabled above)</label>
-							</div>
-						</div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="facility_name">Facility name</label>
-						<div class="col-md-5">
-							<input type="text" id="facility_name" name="facility_name" class="form-control" value="{{ facility_name }}">
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The name of the facility to use in all templates.
-						</div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="site_title">Site title</label>
-						<div class="col-md-5">
-							<input type="text" id="site_title" name="site_title" class="form-control" value="{{ site_title }}">
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The name of the site to use in all templates/headers.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="project_selection_template">Project selection template</label>
-						<div class="col-md-5">
-                            <textarea oninput="auto_size_textarea(this);" id="project_selection_template" name="project_selection_template" class="form-control">{{ project_selection_template }}</textarea>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The django template used for rendering project selection when enabling tools and making reservations. The context variable <b>project</b> is provided.
-						</div>
-					</div>
-					<div class="form-group">
-						<div class="col-md-3">
-							<input type="submit" value="Save settings" class="btn btn-success">
-						</div>
-					</div>
-				</form>
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="calendar_settings">Calendar settings</h3>
-				<form method="POST" action="{% url 'customize' 'calendar_settings' %}#calendar_settings" class="form-horizontal">
-					{% csrf_token %}
-					<div class="form-group">
-                        <label class="control-label col-md-2" >Default view</label>
-						<div class="col-md-10">
-							<div class="radio">
-								<label><input type="radio" id="calendar_view" name="calendar_view" {% if not calendar_view or calendar_view == 'agendaWeek' %}checked{% endif %} value="agendaWeek"> Week view</label>
-								<label><input type="radio" id="calendar_view" name="calendar_view" {% if calendar_view == 'month' %}checked{% endif %} value="month"> Month view</label>
-								<label><input type="radio" id="calendar_view" name="calendar_view" {% if calendar_view == 'agendaDay' %}checked{% endif %} value="agendaDay"> Day view</label>
-							</div>
-						</div>
-					</div>
-					<div class="form-group">
-                        <label class="control-label col-md-2" >First day of the week</label>
-                        <div class="col-md-10">
-                            <div class="radio">
-                                <label><input type="radio" id="calendar_first_day_of_week" name="calendar_first_day_of_week" {% if not calendar_first_day_of_week or calendar_first_day_of_week == '1' %}checked{% endif %} value="1"> Monday</label>
-                                <label><input type="radio" id="calendar_first_day_of_week" name="calendar_first_day_of_week" {% if calendar_first_day_of_week == '0' %}checked{% endif %} value="0"> Sunday</label>
-                            </div>
-                        </div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="calendar_start_of_the_day">Start of the day</label>
-						<div class="col-md-3">
-							<input type="text" id="calendar_start_of_the_day" name="calendar_start_of_the_day" class="form-control" value="{{ calendar_start_of_the_day }}" placeholder="07:00:00">
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							The time the day starts in the calendar view (24h format).
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="calendar_outage_recurrence_limit">Outage recurrence limit</label>
-						<div class="col-md-3">
-                            <div class="input-group">
-							    <input type="number" id="calendar_outage_recurrence_limit" name="calendar_outage_recurrence_limit" class="form-control" value="{{ calendar_outage_recurrence_limit }}">
-                                <span class="input-group-addon">days</span>
-                            </div>
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							The maximum number of days a recurring scheduled outage can be set in advance.
-						</div>
-					</div>
-					<div class="form-group">
-						<div class="col-md-12" style="margin-top: 15px">
-							The following settings allow to customize the date format in the different calendar views. See <a href="https://fullcalendar.io/docs/v1/formatDate" target="_blank">FullCalendar documentation</a> for more information on the syntax.
-						</div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="calendar_day_column_format">Day column format</label>
-						<div class="col-md-3">
-							<input type="text" id="calendar_day_column_format" name="calendar_day_column_format" class="form-control" value="{{ calendar_day_column_format }}"  placeholder="dddd MM/DD/YYYY">
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							The column date format for the day view.
-						</div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="calendar_week_column_format">Week column format</label>
-						<div class="col-md-3">
-							<input type="text" id="calendar_week_column_format" name="calendar_week_column_format" class="form-control" value="{{ calendar_week_column_format }}"  placeholder="ddd M/DD">
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							The column date format for the week view.
-						</div>
-					</div>
-					<div class="form-group">
-						<label class="control-label col-md-2" for="calendar_month_column_format">Month column format</label>
-						<div class="col-md-3">
-							<input type="text" id="calendar_month_column_format" name="calendar_month_column_format" class="form-control" value="{{ calendar_month_column_format }}"  placeholder="ddd">
-						</div>
-						<div class="col-md-7 form-control-static light-grey">
-							The column date format for the month view.
-						</div>
-					</div>
-					<div class="form-group">
-                        <label class="control-label col-md-2">Current time indicator</label>
-						<div class="col-md-10">
-							<div class="checkbox">
-								<label><input type="checkbox" name="calendar_now_indicator" {% if calendar_now_indicator %}checked{% endif %} value="enabled">Show current time indicator on the calendar</label><br/>
-							</div>
-						</div>
-					</div>
-					<div class="form-group">
-                        <label class="control-label col-md-2">Areas</label>
-						<div class="col-md-10">
-							<div class="checkbox">
-								<label><input type="checkbox" name="calendar_display_not_qualified_areas" {% if calendar_display_not_qualified_areas %}checked{% endif %} value="enabled">Also show areas (for reservations) that the user doesn't have access too (they will be grayed out)</label><br/>
-							</div>
-						</div>
-					</div>
-					<div class="form-group">
-                        <label class="control-label col-md-2" >Overview options:</label>
-						<div class="col-md-10">
-							<div class="checkbox">
-								<label style="padding-right: 20px;"><input type="checkbox" id="calendar_all_tools" name="calendar_all_tools" {% if calendar_all_tools  %}checked{% endif %} value="enabled"> Enable all tools option</label>
-								<label style="padding-right: 20px;"><input type="checkbox" id="calendar_all_areas" name="calendar_all_areas" {% if calendar_all_areas %}checked{% endif %} value="enabled"> Enable all areas option</label>
-								<label style="padding-right: 20px;"><input type="checkbox" id="calendar_all_areastools" name="calendar_all_areastools" {% if calendar_all_areastools %}checked{% endif %} value="enabled"> Enable all tools & areas option</label>
-							</div>
-						</div>
-					</div>
-					<div class="form-group">
-						<div class="col-md-3">
-							<input type="submit" value="Save settings" class="btn btn-success">
-						</div>
-					</div>
-				</form>
-			</div>
-		</div>
-
-        <div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="dashboard_settings">Status dashboard settings</h3>
-				<form method="POST" action="{% url 'customize' 'dashboard_settings' %}#dashboard_settings" class="form-horizontal">
-					{% csrf_token %}
-                    <div class="form-group" style="margin-bottom: 0; border-top: dotted 1px #ddd">
-                        <div class="col-md-5">
-                            <h5>Area occupancy</h5>
-                        </div>
-                    </div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2">Qualified areas</label>
-						<div class="col-md-10">
-							<div class="checkbox">
-								<label><input type="checkbox" name="dashboard_display_not_qualified_areas" {% if dashboard_display_not_qualified_areas %}checked{% endif %} value="enabled">Show areas the user doesn't have access to</label><br/>
-							</div>
-						</div>
-                    </div>
-                    <div class="form-group" style="margin-bottom: 0; border-top: dotted 1px #ddd">
-                        <div class="col-md-5">
-                            <h5>Staff status</h5>
-                        </div>
-                    </div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2">Display</label>
-                        <div class="col-md-10">
-                            <div class="checkbox">
-                                <label><input type="checkbox" name="dashboard_staff_status_staff_only" {% if dashboard_staff_status_staff_only %}checked{% endif %} value="enabled">Only show staff status to staff members</label><br/>
-                                <label><input type="checkbox" name="dashboard_staff_status_weekdays_only" {% if dashboard_staff_status_weekdays_only %}checked{% endif %} value="enabled">Only show weekdays (no weekend) - only applies to week view</label><br/>
-                            </div>
-                        </div>
-                    </div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2">First day of the week</label>
-                        <div class="col-md-10">
-                            <div class="radio">
-                                <label><input type="radio" id="dashboard_staff_status_first_day_of_week" name="dashboard_staff_status_first_day_of_week" {% if not dashboard_staff_status_first_day_of_week or dashboard_staff_status_first_day_of_week == '1' %}checked{% endif %} value="1"> Monday</label>
-                                <label><input type="radio" id="dashboard_staff_status_first_day_of_week" name="dashboard_staff_status_first_day_of_week" {% if dashboard_staff_status_first_day_of_week == '0' %}checked{% endif %} value="0"> Sunday</label>
-                            </div>
-                        </div>
-					</div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2" for="dashboard_staff_status_date_format">Date format</label>
-                        <div class="col-md-3">
-                            <input type="text" id="dashboard_staff_status_date_format" name="dashboard_staff_status_date_format" class="form-control" value="{{ dashboard_staff_status_date_format }}">
-                        </div>
-                        <div class="col-md-7 form-control-static light-grey">
-                            The date format to use in the status dashboard staff tab. See <a href="https://docs.djangoproject.com/en/2.2/ref/templates/builtins/#date" target="_blank">Django date formats</a> for details.
-                        </div>
-					</div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2">Check past availability</label>
-                        <div class="col-md-10">
-                            <div class="radio">
-                                <label><input type="radio" id="dashboard_staff_status_check_past_status" name="dashboard_staff_status_check_past_status" {% if not dashboard_staff_status_check_past_status %}checked{% endif %} value=""> Everyone</label>
-                                <label><input type="radio" id="dashboard_staff_status_check_past_status" name="dashboard_staff_status_check_past_status" {% if dashboard_staff_status_check_past_status == 'staffs' %}checked{% endif %} value="staffs"> Staff only</label>
-                                <label><input type="radio" id="dashboard_staff_status_check_past_status" name="dashboard_staff_status_check_past_status" {% if dashboard_staff_status_check_past_status == 'managers' %}checked{% endif %} value="managers"> Managers only</label>
-                            </div>
-                        </div>
-					</div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2">Check future availability</label>
-                        <div class="col-md-10">
-                            <div class="radio">
-                                <label><input type="radio" id="dashboard_staff_status_check_future_status" name="dashboard_staff_status_check_future_status" {% if not dashboard_staff_status_check_future_status %}checked{% endif %} value=""> Everyone</label>
-                                <label><input type="radio" id="dashboard_staff_status_check_future_status" name="dashboard_staff_status_check_future_status" {% if dashboard_staff_status_check_future_status == 'staffs' %}checked{% endif %} value="staffs"> Staff only</label>
-                                <label><input type="radio" id="dashboard_staff_status_check_future_status" name="dashboard_staff_status_check_future_status" {% if dashboard_staff_status_check_future_status == 'managers' %}checked{% endif %} value="managers"> Managers only</label>
-                            </div>
-                        </div>
-					</div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2">User view options</label>
-                        <div class="col-md-10">
-                            <div class="radio">
-                                <label><input type="radio" id="dashboard_staff_status_user_view" name="dashboard_staff_status_user_view" {% if not dashboard_staff_status_user_view %}checked{% endif %} value=""> Day/Week/Month</label>
-                                <label><input type="radio" id="dashboard_staff_status_user_view" name="dashboard_staff_status_user_view" {% if dashboard_staff_status_user_view == 'week' %}checked{% endif %} value="week"> Day/Week</label>
-                                <label><input type="radio" id="dashboard_staff_status_user_view" name="dashboard_staff_status_user_view" {% if dashboard_staff_status_user_view == 'day' %}checked{% endif %} value="day"> Day</label>
-                            </div>
-                        </div>
-					</div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2">Staff view options</label>
-                        <div class="col-md-10">
-                            <div class="radio">
-                                <label><input type="radio" id="dashboard_staff_status_staff_view" name="dashboard_staff_status_staff_view" {% if not dashboard_staff_status_staff_view %}checked{% endif %} value=""> Day/Week/Month</label>
-                                <label><input type="radio" id="dashboard_staff_status_staff_view" name="dashboard_staff_status_staff_view" {% if dashboard_staff_status_staff_view == 'week' %}checked{% endif %} value="week"> Day/Week</label>
-                                <label><input type="radio" id="dashboard_staff_status_staff_view" name="dashboard_staff_status_staff_view" {% if dashboard_staff_status_staff_view == 'day' %}checked{% endif %} value="day"> Day</label>
-                            </div>
-                        </div>
-					</div>
-                    <div class="form-group">
-						<div class="col-md-3">
-							<input type="submit" value="Save settings" class="btn btn-success">
-						</div>
-					</div>
-                </form>
-            </div>
-        </div>
-
-        <div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="interlock_settings">Interlock settings</h3>
-				<form method="POST" action="{% url 'customize' 'interlock_settings' %}#interlock_settings" class="form-horizontal">
-					{% csrf_token %}
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="tool_interlock_failure_message">Tool failure message</label>
-						<div class="col-md-5">
-							<textarea oninput="auto_size_textarea(this);" id="tool_interlock_failure_message" name="tool_interlock_failure_message" class="form-control">{{ tool_interlock_failure_message }}</textarea>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The message to display when a tool interlock command fails.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="door_interlock_failure_message">Door failure message</label>
-						<div class="col-md-5">
-							<textarea oninput="auto_size_textarea(this);" id="door_interlock_failure_message" name="door_interlock_failure_message" class="form-control">{{ door_interlock_failure_message }}</textarea>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The message to display when a door interlock command fails.
-						</div>
-					</div>
-                    <div class="form-group">
-                        <label class="control-label col-md-2">Bypass on error</label>
-						<div class="col-md-10">
-							<div class="checkbox">
-								<label><input type="checkbox" name="allow_bypass_interlock_on_failure" {% if allow_bypass_interlock_on_failure %}checked{% endif %} value="enabled">Check this box to offer users the option to bypass lock/unlock command when there is an interlock error.</label><br/>
-							</div>
-						</div>
-					</div>
-                    <div class="form-group">
-						<div class="col-md-3">
-							<input type="submit" value="Save settings" class="btn btn-success">
-						</div>
-					</div>
-                </form>
-            </div>
-        </div>
-
-        <div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="requests_settings">User requests settings</h3>
-				<form method="POST" action="{% url 'customize' 'requests_settings' %}#requests_settings" class="form-horizontal">
-					{% csrf_token %}
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="buddy_requests_title">Buddy request tab title</label>
-						<div class="col-md-5">
-							<input type="text" id="buddy_requests_title" name="buddy_requests_title" class="form-control" value="{{ buddy_requests_title }}"/>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The title for the buddy request tab of the user requests page.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="buddy_board_description">Buddy board description</label>
-						<div class="col-md-5">
-							<textarea oninput="auto_size_textarea(this);" id="buddy_board_description" name="buddy_board_description" class="form-control">{{ buddy_board_description }}</textarea>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The description/instructions to display on the buddy board page.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="access_requests_title">Access request tab title</label>
-						<div class="col-md-5">
-							<input type="text" id="access_requests_title" name="access_requests_title" class="form-control" value="{{ access_requests_title }}"/>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The title for the access request tab of the user requests page.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="access_requests_description">Access requests description</label>
-						<div class="col-md-5">
-							<textarea oninput="auto_size_textarea(this);" id="access_requests_description" name="access_requests_description" class="form-control">{{ access_requests_description }}</textarea>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The description/instructions to display on the access requests page.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="access_requests_minimum_users">Access requests minimum users</label>
-						<div class="col-md-5">
-                            <div class="input-group">
-							    <input type="number" step="1" min="0" id="access_requests_minimum_users" name="access_requests_minimum_users" class="form-control text-right" value="{{ access_requests_minimum_users }}"/>
-                                <span class="input-group-addon">users</span>
-                            </div>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The minimum number of users (creator included) needed for an access request to be valid.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="access_requests_display_max">Access requests display maximum</label>
-						<div class="col-md-5">
-                            <div class="input-group">
-							    <input type="number" step="1" min="0" id="access_requests_display_max" name="access_requests_display_max" class="form-control text-right" value="{{ access_requests_display_max }}"/>
-                                <span class="input-group-addon">requests</span>
-                            </div>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The maximum number of requests to display in each section (approved, denied, expired). Leave blank for all.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="weekend_access_notification_emails">Weekend access notification email(s)</label>
-						<div class="col-md-5">
-							<input type="text" id="weekend_access_notification_emails" name="weekend_access_notification_emails" class="form-control" value="{{ weekend_access_notification_emails }}" placeholder="weekend_access@example.org"/>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The email(s) to notify for weekend access. A comma-separated list can be used.
-						</div>
-					</div>
-                    <div class="form-group">
-						<label class="control-label col-md-2" for="weekend_access_notification_cutoff_hour">Weekend access notification cutoff</label>
-                        <div class="col-md-2">
-                            <select id="weekend_access_notification_cutoff_day" name="weekend_access_notification_cutoff_day" class="form-control">
-                                <option value=""></option>
-                                <option value="1" {% if weekend_access_notification_cutoff_day == '1' %}selected{% endif %}>Tuesday</option>
-                                <option value="2" {% if weekend_access_notification_cutoff_day == '2' %}selected{% endif %}>Wednesday</option>
-                                <option value="3" {% if weekend_access_notification_cutoff_day == '3' %}selected{% endif %}>Thursday</option>
-                                <option value="4" {% if weekend_access_notification_cutoff_day == '4' %}selected{% endif %}>Friday</option>
-                                <option value="5" {% if weekend_access_notification_cutoff_day == '5' %}selected{% endif %}>Saturday</option>
-                            </select>
-						</div>
-                        <div class="col-md-1 form-control-static text-center">
-                            at
-                        </div>
-						<div class="col-md-2">
-                            <div class="input-group">
-                                <input type="number" step="1" min="0" max="24" id="weekend_access_notification_cutoff_hour" name="weekend_access_notification_cutoff_hour" class="form-control text-right" value="{{ weekend_access_notification_cutoff_hour }}"/>
-                                <span class="input-group-addon">:00 hrs</span>
-                            </div>
-						</div>
-						<div class="col-md-5 form-control-static light-grey">
-							The cutoff day and hour after which an email is sent if there is no approved weekend access for the week (in 24hrs format). If left blank the "no weekend access" will NOT be sent.
-						</div>
-					</div>
-                    <div class="form-group">
-						<div class="col-md-3">
-							<input type="submit" value="Save settings" class="btn btn-success">
-						</div>
-					</div>
-                </form>
-            </div>
-        </div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="login_banner_id">Login banner</h3>
-				<p>The login banner is an informational message displayed underneath the username and password text boxes on the login page. You can customize this to convey rules for {{ site_title }} users at your organization.</p>
-				{% include 'customizations/customizations_upload.html' with element=login_banner name='login banner' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="safety_introduction_id">Introduction for &quot;<a href="{% url 'safety' %}" target="_blank">Safety suggestions and observations</a>&quot; page</h3>
-				<p>What would you like everyone to know about safety policy and procedures? This introduction will be presented at the top of the safety page. You can use HTML to modify the look of the text.</p>
-                {% include 'customizations/customizations_upload.html' with element=safety_introduction name='safety introduction' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="facility_rules_tutorial_id">&quot;<a href="{% url 'facility_rules' %}" target="_blank">{{ facility_name }} rules tutorial</a>&quot; page</h3>
-				<p>
-					The facility rules tutorial is an opportunity to provide new users with a tutorial to your lab operating procedures and rules.
-					<br>The HTML you upload is rendered with the Django template engine. You can use JavaScript (including jQuery) within the page.
-					<br>
-				</p>
-                <ul>
-                    <li>The form should include <b>{% templatetag openblock %} csrf_token {% templatetag closeblock %}</b> inside the form tags.</li>
-                    <li>Completion of the HTML form should be POSTed to <b>"{% templatetag openblock %} url 'facility_rules' {% templatetag closeblock %}"</b> (exactly as is).</li>
-                </ul>
-				<p>
-					Upon completion, the user's "training required" attribute is set to false, and they are able to make reservations and control tools.
-				</p>
-                {% include 'customizations/customizations_upload.html' with element=facility_rules_tutorial name='facility rules tutorial' hide_content=True %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="authorization_failed_id">&quot;<a href="{% url 'authorization_failed' %}" target="_blank">{{ facility_name }} failed login</a>&quot; message</h3>
-				<p>
-					This message is displayed after authentication when either no matching username could be found in the database or if that user has been deactivated.
-					<br>The HTML you upload is rendered with the Django template engine. You can use JavaScript (including jQuery) within the message.
-				</p>
-                {% include 'customizations/customizations_upload.html' with element=authorization_failed name='authorization failed' button_name='Upload failed login page' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="jumbotron_watermark_id">&quot;<a href="{% url 'jumbotron' %}" target="_blank">Jumbotron</a>&quot; watermark</h3>
-				<p>This image is displayed as background for the Jumbotron. It is set as a full background screen, so your image needs to take that into account.
-					<br>The image you upload should be a valid image file (recommended size is 1500x1000).
-				</p>
-                {% include 'customizations/customizations_upload.html' with element=jumbotron_watermark name='jumbotron watermark' extension='png' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="access_request_notification_email_id">Access request notification email</h3>
-                <p>This email is sent to the person who created the request when an access request is created or updated. The other users present on the request as well as the facility managers are cc'ed.</p>
-                <p>The following context variables are provided when the email is rendered:</p>
-				<ul>
-                    <li><b>template_color</b> - the color: green if approved, red if denied, blue otherwise</li>
-					<li><b>access_request</b> - the user's access request that was created or updated</li>
-					<li><b>status</b> - the status of the request: received, updated, approved or denied</li>
-					<li><b>access_requests_url</b> - the URL to the access requests page</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=access_request_notification_email name='access request notification email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="cancellation_email_id">Cancellation email</h3>
-				<p>This email is sent to a user when a staff member cancels the user's reservation. The following context variables are provided when the email is rendered:</p>
-				<ul>
-					<li><b>reservation</b> - the user's reservation that was cancelled</li>
-					<li><b>staff_member</b> - the user object of the staff member who cancelled the reservation</li>
-					<li><b>reason</b> - the reason the staff member provided for cancelling the reservation</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=cancellation_email name='cancellation email' %}
-			</div>
-		</div>
-
-        <div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="counter_threshold_reached_email_id">Counter threshold reached email</h3>
-				<p>
-					This email is sent to the counter's warning email when the value of an counter reaches the warning threshold.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>counter</b> - the counter which value reached the warning threshold</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=counter_threshold_reached_email name='counter threshold reached email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="feedback_email_id">Feedback email</h3>
-				<p>
-					This email is sent when a user <a href="{% url 'feedback' %}" target="_blank">submits feedback</a>. The feedback email address (at the top of this page) must also be configured for users to be able to do this.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>contents</b> - the user's feedback</li>
-					<li><b>user</b> - the user object of the user who submitted the feedback</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=feedback_email name='feedback email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="generic_email_id">Generic email</h3>
-				<p>A generic email that can be sent to qualified tool users, members of an account, or members of a project. Send these using the <a href="{% url 'email_broadcast' %}">email broadcast page</a>. The following context variables are provided when the email is rendered:</p>
-				<ul>
-					<li><b>title</b> - the user specified title of the email</li>
-					<li><b>greeting</b> - a greeting to the recipients of the email</li>
-					<li><b>contents</b> - the body of the email</li>
-					<li><b>template_color</b> - the color to emphasize</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=generic_email name='generic email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="missed_reservation_email_id">Missed reservation email</h3>
-				<p>
-					This email is sent when a user misses a reservation. If a tool is not used for an amount
-					of time after the user's reservation has begun, it is marked as missed and removed from the calendar.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>reservation</b> - the reservation that the user missed</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=missed_reservation_email name='missed reservation email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="facility_rules_tutorial_email_id">Facility rules tutorial email</h3>
-				<p>
-					This email is sent when a user completes the facility rules tutorial. It can contain a free-response answer (quiz question).
-					If you do not upload a template then no notification email is sent to staff when a user completes the training tutorial.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>user</b> - the user's model instance</li>
-					<li><b>making_reservations_rule_summary</b> - a free-response answer provided by the user. Normally, this is provided by the user to summarize their understanding of the {{ facility_name }} rules and proceedures.</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=facility_rules_tutorial_email name='facility rules tutorial email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="new_task_email_id">New task email</h3>
-				<p>
-					This email is sent when a new maintenance task is created for a tool.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>user</b> - the user who created the task</li>
-					<li><b>task</b> - the task information</li>
-					<li><b>tool</b> - the tool that the task is associated with</li>
-					<li><b>tool_control_absolute_url</b> - the URL of the tool control page for the tool</li>
-					<li><b>template_color</b> - an HTML color code indicating the severity of the problem. Orange for warning, red for shutdown.</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=new_task_email name='new task email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="out_of_time_reservation_email_id">Out of time reservation email</h3>
-				<p>
-					This email is sent when a user is still logged in an area but his reservation expired. A grace period can be set when configuring the area.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>reservation</b> - the reservation that the user is out of time on</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=out_of_time_reservation_email name='out of time reservation email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="reorder_supplies_reminder_email_id">Reorder supplies reminder email</h3>
-				<p>
-					This email is sent to the item's reminder email when the quantity of an item falls below the reminder threshold and should be reordered.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>item</b> - the item which quantity fell below the reminder threshold</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=reorder_supplies_reminder_email name='reorder supplies reminder email' %}
-			</div>
-		</div>
-
-        <div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="reservation_ending_reminder_email_id">Reservation ending reminder email</h3>
-				<p>
-					This email is sent to a user that is logged in an area 30 and 15 minutes before their area reservation ends.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>reservation</b> - the user's reservation ending</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=reservation_ending_reminder_email name='reservation ending reminder email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="reservation_reminder_email_id">Reservation reminder email</h3>
-				<p>
-					This email is sent to a user two hours before their tool/area reservation begins.
-					The reservation warning email must also exist for this email to be sent.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>reservation</b> - the user's upcoming reservation</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=reservation_reminder_email name='reservation reminder email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="reservation_warning_email_id">Reservation warning email</h3>
-				<p>
-					This email is sent to a user two hours before their tool/area reservation begins and maintenance may interfere with the upcoming reservation.
-					The reservation reminder email must also exist for this email to be sent.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>reservation</b> - the user's upcoming reservation</li>
-					<li><b>fatal_error</b> - boolean value that, when true, indicates that it will be impossible for the user to use the tool/access the area during their reservation (due to maintenance, outages or a missing required dependency)</li>
-					<li><b>template_color</b> - an HTML color code indicating the severity of the problem. Orange for warning, red for shutdown.</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=reservation_warning_email name='reservation warning email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="safety_issue_email_id">Safety issue email</h3>
-				<p>
-					This email is sent when a new maintenance task is created for a tool.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>issue</b> - the issue information</li>
-					<li><b>issue_absolute_url</b> - the URL for the detailed view of the issue</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=safety_issue_email name='safety issue email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="staff_charge_reminder_email_id">Staff charge reminder email</h3>
-				<p>
-					This email is periodically sent to remind staff that they are charging a user for staff time.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>staff_charge</b> - the staff charge that is in progress</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=staff_charge_reminder_email name='staff charge reminder email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="task_status_notification_id">Task status notification email</h3>
-				<p>
-					This email is sent when a tool task has be updated and set to a particular state.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>template_color</b> - the color to emphasize</li>
-					<li><b>title</b> - a title indicating that the message is a task status notification</li>
-					<li><b>task</b> - the task that was updated</li>
-					<li><b>status_message</b> - the current status message for the task</li>
-					<li><b>notification_message</b> - the notification message that is configured (via the admin site) for the status</li>
-					<li><b>tool_control_absolute_url</b> - the URL of the tool control page for the task</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=task_status_notification name='task status notification' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="unauthorized_tool_access_email_id">Unauthorized tool access email</h3>
-                <p>
-					This email is sent when a user tries to access a tool:
-				</p>
-                <ul>
-                    <li>without being logged in to the area in which the tool resides (type 'area').</li>
-                    <li>without having a current area reservation (type 'reservation')</li>
-                </ul>
-                <p>
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>operator</b> - the person who attempted to use the tool</li>
-					<li><b>tool</b> - the tool that the user was denied access to</li>
-					<li><b>type</b> - the type of abuse ('area' or 'reservation')</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=unauthorized_tool_access_email name='unauthorized tool access email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="usage_reminder_email_id">Usage reminder email</h3>
-				<p>
-					This email is periodically sent to remind a user that they have a tool enabled.
-					The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>user</b> - the user who is using a tool or logged in to an area</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=usage_reminder_email name='usage reminder email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="reservation_created_user_email_id">User reservation created email</h3>
-				<p>
-					This email is sent to a user when the user creates a reservation and has opted to receive ics calendar notification in his preferences.
-					<br>This is optional, the email will still be sent with only the calendar attachment if this is left blank.
-				    <br><br>The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>reservation</b> - the user's reservation that was created</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=reservation_created_user_email name='reservation created user email' %}
-			</div>
-		</div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="reservation_cancelled_user_email_id">User reservation cancelled email</h3>
-				<p>
-					This email is sent to a user when the user cancels his own reservation and has opted to receive ics calendar notification in his preferences.
-					<br>This is optional, the email will still be sent with only the calendar attachment if this is left blank.
-				    <br><br>The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>reservation</b> - the user's reservation that was cancelled</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=reservation_cancelled_user_email name='reservation cancelled user email' %}
-			</div>
-		</div>
-
-        <div class="panel panel-default">
-            <div class="panel-body">
-                <h3 class="customization-section-title" id="weekend_access_email_id">Weekend access notification email</h3>
-                <p>
-                    This email is sent to the <a href="?#weekend_access_notification_emails">weekend access notification email(s)</a> as well as the facility manager(s) when:
-                </p>
-                <ul>
-                    <li>
-                        there is at least one approved access request that includes weekend time during the current week.
-                        (The email is sent when the first weekend access request is approved).
-                    </li>
-                    <li>
-                        there are no approved access requests that include weekend time during the current week.
-                        (the email is sent on the <a href="?#weekend_access_notification_cutoff_day">cutoff day</a> at the <a href="?#weekend_access_notification_cutoff_hour">cutoff hour</a> provided in the user requests settings above).
-                    </li>
-                </ul>
-                <p>
-                    The following context variables are provided when the email is rendered:
-				</p>
-				<ul>
-					<li><b>weekend_access</b> - true/false, whether there are approved weekend access requests for the current week.</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=weekend_access_email name='weekend access email' %}
+        <ul class="nav nav-tabs" id="tabs">
+            {% for customization_instance in customization.instances %}
+                <li class="{% if customization_instance.key == customization.key %}active{% endif %}">
+                    <a id="{{ customization_instance.key }}-tab-link" href="{% url 'customization' customization_instance.key %}">{{ customization_instance.title }}</a>
+                </li>
+            {% endfor %}
+        </ul>
+        <div class="tab-content panel panel-default panel-tab-content">
+            <div class="tab-pane active" id="{{ customization.key }}-tab">
+                {% include customization.template %}
             </div>
         </div>
-
-		<div class="panel panel-default">
-			<div class="panel-body">
-                <h3 class="customization-section-title" id="rate">Tool Rates</h3>
-				<p>
-					You can upload a json file to display tool rates. An example of a valid rates file can be found on <a target="_blank" href="https://github.com/usnistgov/NEMO/raw/master/resources/splash_pad_rates.json">Github</a>.
-					<br><br>It should be a JSON array of elements, and the following key/values are supported for each element:
-				</p>
-				<ul>
-					<li><b>item_id</b> - the id of the tool or supply</li>
-					<li><b>table_id</b> - the type of rate, one of "inventory_rate" (for supplies), "primetime_eq_hourly_rate" (for tool), "training_individual_hourly_rate" (for individual training rate), "training_group_hourly_rate" (for group training rate)</li>
-					<li><b>rate_class</b> - the class, one of "full cost" or "cost shared"</li>
-					<li><b>rate</b> - the rate amount</li>
-    				<li>item - the name of the item (optional)</li>
-				</ul>
-                {% include 'customizations/customizations_upload.html' with element=rates name='rates' extension="json" %}
-			</div>
-		</div>
 	</div>
 
 	<script type="application/javascript">
-        auto_size_textarea(document.getElementById('project_selection_template'));
-        auto_size_textarea(document.getElementById('tool_interlock_failure_message'));
-        auto_size_textarea(document.getElementById('door_interlock_failure_message'));
-        auto_size_textarea(document.getElementById('buddy_board_description'));
-        auto_size_textarea(document.getElementById('access_requests_description'));
 		function check_delete_file_before_submit(name) {
 			let has_file = $('input[name='+name+']')[0].files.length !== 0;
 			if (!has_file) {
diff --git a/NEMO/templates/customizations/customizations_application.html b/NEMO/templates/customizations/customizations_application.html
new file mode 100644
index 00000000..e28a1ca5
--- /dev/null
+++ b/NEMO/templates/customizations/customizations_application.html
@@ -0,0 +1,70 @@
+<div class="panel-body">
+    <h3 class="customization-section-title">Application settings</h3>
+    <form method="POST" action="{% url 'customize' 'application' %}" class="form-horizontal">
+        {% csrf_token %}
+        <div class="form-group">
+            <label class="control-label col-md-2" for="default_user_training_not_required">New user training</label>
+            <div class="col-md-5">
+                <div class="radio">
+                    <label><input type="radio" id="default_user_training_not_required" name="default_user_training_not_required" {% if not default_user_training_not_required %}checked{% endif %} value=""> Required</label>
+                    <label><input type="radio" name="default_user_training_not_required" {% if default_user_training_not_required %}checked{% endif %} value="enabled"> Not required</label>
+                </div>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                Whether the Facility training is required for new users by default.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Area login/logout</label>
+            <div class="col-md-10">
+                <div class="checkbox">
+                    <label><input type="checkbox" name="self_log_in" {% if self_log_in %}checked{% endif %} value="enabled">Allow users to log themselves into access controlled areas from the landing page</label><br/>
+                    <label><input type="checkbox" name="self_log_out" {% if self_log_out %}checked{% endif %} value="enabled">Allow users to log themselves out of access controlled areas from the landing page</label><br/>
+                    <label><input type="checkbox" name="calendar_login_logout" {% if calendar_login_logout %}checked{% endif %} value="enabled">Show access controlled area login/logout button on calendar view (requires login and/or logout feature enabled above)</label>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="facility_name">Facility name</label>
+            <div class="col-md-5">
+                <input type="text" id="facility_name" name="facility_name" class="form-control" value="{{ facility_name }}">
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The name of the facility to use in all templates.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="site_title">Site title</label>
+            <div class="col-md-5">
+                <input type="text" id="site_title" name="site_title" class="form-control" value="{{ site_title }}">
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The name of the site to use in all templates/headers.
+            </div>
+        </div>
+        <div class="form-group {% if errors.project_selection_template %}has-error{% endif %}">
+            <label class="control-label col-md-2" for="project_selection_template">Project selection template</label>
+            <div class="col-md-5">
+                <textarea oninput="auto_size_textarea(this);" id="project_selection_template" name="project_selection_template" class="form-control">{% if errors.project_selection_template %}{{ errors.project_selection_template.value }}{% else %}{{ project_selection_template }}{% endif %}</textarea>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                {% if errors.project_selection_template %}
+                    {{ errors.project_selection_template.error }}
+                {% else %}
+                    The django template used for rendering project selection when enabling tools and making reservations. The context variable <b>project</b> is provided.
+                {% endif %}
+            </div>
+        </div>
+        <div class="col-md-offset-2">
+            <input type="submit" value="Save settings" class="btn btn-success">
+        </div>
+    </form>
+    <script type="text/javascript">
+        $("#application-tab-link").click(function() {setTimeout(on_application_tab_show, 50)});
+        function on_application_tab_show()
+        {
+            auto_size_textarea(document.getElementById('project_selection_template'))
+        }
+        on_application_tab_show();
+    </script>
+</div>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations_calendar.html b/NEMO/templates/customizations/customizations_calendar.html
new file mode 100644
index 00000000..6740a866
--- /dev/null
+++ b/NEMO/templates/customizations/customizations_calendar.html
@@ -0,0 +1,107 @@
+<div class="panel-body">
+    <h3 class="customization-section-title">Calendar settings</h3>
+    <form method="POST" action="{% url 'customize' 'calendar' %}" class="form-horizontal">
+        {% csrf_token %}
+        <div class="form-group">
+            <label class="control-label col-md-2" >Default view</label>
+            <div class="col-md-10">
+                <div class="radio">
+                    <label><input type="radio" id="calendar_view" name="calendar_view" {% if not calendar_view or calendar_view == 'agendaWeek' %}checked{% endif %} value="agendaWeek"> Week view</label>
+                    <label><input type="radio" id="calendar_view" name="calendar_view" {% if calendar_view == 'month' %}checked{% endif %} value="month"> Month view</label>
+                    <label><input type="radio" id="calendar_view" name="calendar_view" {% if calendar_view == 'agendaDay' %}checked{% endif %} value="agendaDay"> Day view</label>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" >First day of the week</label>
+            <div class="col-md-10">
+                <div class="radio">
+                    <label><input type="radio" id="calendar_first_day_of_week" name="calendar_first_day_of_week" {% if not calendar_first_day_of_week or calendar_first_day_of_week == '1' %}checked{% endif %} value="1"> Monday</label>
+                    <label><input type="radio" id="calendar_first_day_of_week" name="calendar_first_day_of_week" {% if calendar_first_day_of_week == '0' %}checked{% endif %} value="0"> Sunday</label>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="calendar_start_of_the_day">Start of the day</label>
+            <div class="col-md-3">
+                <input type="text" id="calendar_start_of_the_day" name="calendar_start_of_the_day" class="form-control" value="{{ calendar_start_of_the_day }}" placeholder="07:00:00">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                The time the day starts in the calendar view (24h format).
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="calendar_outage_recurrence_limit">Outage recurrence limit</label>
+            <div class="col-md-3">
+                <div class="input-group">
+                    <input type="number" id="calendar_outage_recurrence_limit" name="calendar_outage_recurrence_limit" class="form-control" value="{{ calendar_outage_recurrence_limit }}">
+                    <span class="input-group-addon">days</span>
+                </div>
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                The maximum number of days a recurring scheduled outage can be set in advance.
+            </div>
+        </div>
+        <div class="form-group">
+            <div class="col-md-12" style="margin-top: 15px">
+                The following settings allow to customize the date format in the different calendar views. See <a href="https://fullcalendar.io/docs/v1/formatDate" target="_blank">FullCalendar documentation</a> for more information on the syntax.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="calendar_day_column_format">Day column format</label>
+            <div class="col-md-3">
+                <input type="text" id="calendar_day_column_format" name="calendar_day_column_format" class="form-control" value="{{ calendar_day_column_format }}"  placeholder="dddd MM/DD/YYYY">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                The column date format for the day view.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="calendar_week_column_format">Week column format</label>
+            <div class="col-md-3">
+                <input type="text" id="calendar_week_column_format" name="calendar_week_column_format" class="form-control" value="{{ calendar_week_column_format }}"  placeholder="ddd M/DD">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                The column date format for the week view.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="calendar_month_column_format">Month column format</label>
+            <div class="col-md-3">
+                <input type="text" id="calendar_month_column_format" name="calendar_month_column_format" class="form-control" value="{{ calendar_month_column_format }}"  placeholder="ddd">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                The column date format for the month view.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Current time indicator</label>
+            <div class="col-md-10">
+                <div class="checkbox">
+                    <label><input type="checkbox" name="calendar_now_indicator" {% if calendar_now_indicator %}checked{% endif %} value="enabled">Show current time indicator on the calendar</label><br/>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Areas</label>
+            <div class="col-md-10">
+                <div class="checkbox">
+                    <label><input type="checkbox" name="calendar_display_not_qualified_areas" {% if calendar_display_not_qualified_areas %}checked{% endif %} value="enabled">Also show areas (for reservations) that the user doesn't have access too (they will be grayed out)</label><br/>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" >Overview options:</label>
+            <div class="col-md-10">
+                <div class="checkbox">
+                    <label style="padding-right: 20px;"><input type="checkbox" id="calendar_all_tools" name="calendar_all_tools" {% if calendar_all_tools  %}checked{% endif %} value="enabled"> Enable all tools option</label>
+                    <label style="padding-right: 20px;"><input type="checkbox" id="calendar_all_areas" name="calendar_all_areas" {% if calendar_all_areas %}checked{% endif %} value="enabled"> Enable all areas option</label>
+                    <label style="padding-right: 20px;"><input type="checkbox" id="calendar_all_areastools" name="calendar_all_areastools" {% if calendar_all_areastools %}checked{% endif %} value="enabled"> Enable all tools & areas option</label>
+                </div>
+            </div>
+        </div>
+        <div class="col-md-offset-2">
+            <input type="submit" value="Save settings" class="btn btn-success">
+        </div>
+    </form>
+</div>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations_dashboard.html b/NEMO/templates/customizations/customizations_dashboard.html
new file mode 100644
index 00000000..ce9a2400
--- /dev/null
+++ b/NEMO/templates/customizations/customizations_dashboard.html
@@ -0,0 +1,94 @@
+<div class="panel-body">
+    <h3 class="customization-section-title">Status dashboard settings</h3>
+    <form method="POST" action="{% url 'customize' 'dashboard' %}" class="form-horizontal">
+        {% csrf_token %}
+        <div class="form-group" style="margin-bottom: 0; border-top: dotted 1px #ddd">
+            <div class="col-md-5">
+                <h5>Area occupancy</h5>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Qualified areas</label>
+            <div class="col-md-10">
+                <div class="checkbox">
+                    <label><input type="checkbox" name="dashboard_display_not_qualified_areas" {% if dashboard_display_not_qualified_areas %}checked{% endif %} value="enabled">Show areas the user doesn't have access to</label><br/>
+                </div>
+            </div>
+        </div>
+        <div class="form-group" style="margin-bottom: 0; border-top: dotted 1px #ddd">
+            <div class="col-md-5">
+                <h5>Staff status</h5>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Display</label>
+            <div class="col-md-10">
+                <div class="checkbox">
+                    <label><input type="checkbox" name="dashboard_staff_status_staff_only" {% if dashboard_staff_status_staff_only %}checked{% endif %} value="enabled">Only show staff status to staff members</label><br/>
+                    <label><input type="checkbox" name="dashboard_staff_status_weekdays_only" {% if dashboard_staff_status_weekdays_only %}checked{% endif %} value="enabled">Only show weekdays (no weekend) - only applies to week view</label><br/>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">First day of the week</label>
+            <div class="col-md-10">
+                <div class="radio">
+                    <label><input type="radio" id="dashboard_staff_status_first_day_of_week" name="dashboard_staff_status_first_day_of_week" {% if not dashboard_staff_status_first_day_of_week or dashboard_staff_status_first_day_of_week == '1' %}checked{% endif %} value="1"> Monday</label>
+                    <label><input type="radio" id="dashboard_staff_status_first_day_of_week" name="dashboard_staff_status_first_day_of_week" {% if dashboard_staff_status_first_day_of_week == '0' %}checked{% endif %} value="0"> Sunday</label>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="dashboard_staff_status_date_format">Date format</label>
+            <div class="col-md-3">
+                <input type="text" id="dashboard_staff_status_date_format" name="dashboard_staff_status_date_format" class="form-control" value="{{ dashboard_staff_status_date_format }}">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                The date format to use in the status dashboard staff tab. See <a href="https://docs.djangoproject.com/en/2.2/ref/templates/builtins/#date" target="_blank">Django date formats</a> for details.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Check past availability</label>
+            <div class="col-md-10">
+                <div class="radio">
+                    <label><input type="radio" id="dashboard_staff_status_check_past_status" name="dashboard_staff_status_check_past_status" {% if not dashboard_staff_status_check_past_status %}checked{% endif %} value=""> Everyone</label>
+                    <label><input type="radio" id="dashboard_staff_status_check_past_status" name="dashboard_staff_status_check_past_status" {% if dashboard_staff_status_check_past_status == 'staffs' %}checked{% endif %} value="staffs"> Staff only</label>
+                    <label><input type="radio" id="dashboard_staff_status_check_past_status" name="dashboard_staff_status_check_past_status" {% if dashboard_staff_status_check_past_status == 'managers' %}checked{% endif %} value="managers"> Managers only</label>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Check future availability</label>
+            <div class="col-md-10">
+                <div class="radio">
+                    <label><input type="radio" id="dashboard_staff_status_check_future_status" name="dashboard_staff_status_check_future_status" {% if not dashboard_staff_status_check_future_status %}checked{% endif %} value=""> Everyone</label>
+                    <label><input type="radio" id="dashboard_staff_status_check_future_status" name="dashboard_staff_status_check_future_status" {% if dashboard_staff_status_check_future_status == 'staffs' %}checked{% endif %} value="staffs"> Staff only</label>
+                    <label><input type="radio" id="dashboard_staff_status_check_future_status" name="dashboard_staff_status_check_future_status" {% if dashboard_staff_status_check_future_status == 'managers' %}checked{% endif %} value="managers"> Managers only</label>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">User view options</label>
+            <div class="col-md-10">
+                <div class="radio">
+                    <label><input type="radio" id="dashboard_staff_status_user_view" name="dashboard_staff_status_user_view" {% if not dashboard_staff_status_user_view %}checked{% endif %} value=""> Day/Week/Month</label>
+                    <label><input type="radio" id="dashboard_staff_status_user_view" name="dashboard_staff_status_user_view" {% if dashboard_staff_status_user_view == 'week' %}checked{% endif %} value="week"> Day/Week</label>
+                    <label><input type="radio" id="dashboard_staff_status_user_view" name="dashboard_staff_status_user_view" {% if dashboard_staff_status_user_view == 'day' %}checked{% endif %} value="day"> Day</label>
+                </div>
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Staff view options</label>
+            <div class="col-md-10">
+                <div class="radio">
+                    <label><input type="radio" id="dashboard_staff_status_staff_view" name="dashboard_staff_status_staff_view" {% if not dashboard_staff_status_staff_view %}checked{% endif %} value=""> Day/Week/Month</label>
+                    <label><input type="radio" id="dashboard_staff_status_staff_view" name="dashboard_staff_status_staff_view" {% if dashboard_staff_status_staff_view == 'week' %}checked{% endif %} value="week"> Day/Week</label>
+                    <label><input type="radio" id="dashboard_staff_status_staff_view" name="dashboard_staff_status_staff_view" {% if dashboard_staff_status_staff_view == 'day' %}checked{% endif %} value="day"> Day</label>
+                </div>
+            </div>
+        </div>
+        <div class="col-md-offset-2">
+            <input type="submit" value="Save settings" class="btn btn-success">
+        </div>
+    </form>
+</div>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations_emails.html b/NEMO/templates/customizations/customizations_emails.html
new file mode 100644
index 00000000..be28a667
--- /dev/null
+++ b/NEMO/templates/customizations/customizations_emails.html
@@ -0,0 +1,61 @@
+<div class="panel-body">
+    <h3 class="customization-section-title">Email addresses</h3>
+    <form method="POST" action="{% url 'customize' 'emails' %}" class="form-horizontal">
+        {% csrf_token %}
+        <div class="form-group {% if errors.feedback_email_address %}has-error{% endif %}">
+            <label class="control-label col-md-2" for="feedback_email_address">Feedback</label>
+            <div class="col-md-3">
+                <input type="email" id="feedback_email_address" name="feedback_email_address" class="form-control" value="{% if errors.feedback_email_address %}{{ errors.feedback_email_address.value }}{% else %}{{ feedback_email_address }}{% endif %}" placeholder="feedback@example.org">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                {% if errors.feedback_email_address %}
+                    {{ errors.feedback_email_address.error }}
+                {% else %}
+                    User feedback from the <a href="{% url 'feedback' %}">Feedback page</a> is sent to this email address.
+                {% endif %}
+            </div>
+        </div>
+        <div class="form-group {% if errors.safety_email_address %}has-error{% endif %}">
+            <label class="control-label col-md-2" for="safety_email_address">Safety</label>
+            <div class="col-md-3">
+                <input type="email" id="safety_email_address" name="safety_email_address" class="form-control" value="{% if errors.safety_email_address %}{{ errors.safety_email_address.value }}{% else %}{{ safety_email_address }}{% endif %}" placeholder="safety@example.org">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                {% if errors.safety_email_address %}
+                    {{ errors.safety_email_address.error }}
+                {% else %}
+                    <a href="{% url 'safety' %}">Safety suggestions and observations</a> are sent to this email address.
+                {% endif %}
+            </div>
+        </div>
+        <div class="form-group {% if errors.abuse_email_address %}has-error{% endif %}">
+            <label class="control-label col-md-2" for="abuse_email_address">Abuse</label>
+            <div class="col-md-3">
+                <input type="text" id="abuse_email_address" name="abuse_email_address" class="form-control" value="{% if errors.abuse_email_address %}{{ errors.abuse_email_address.value }}{% else %}{{ abuse_email_address }}{% endif %}" placeholder="abuse@example.org">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                {% if errors.abuse_email_address %}
+                    {{ errors.abuse_email_address.error }}
+                {% else %}
+                    Alerts about user activities that could constitute 'abuse' are sent to this email address. Examples include missed reservations and unauthorized tool access.
+                {% endif %}
+            </div>
+        </div>
+        <div class="form-group {% if errors.user_office_email_address %}has-error{% endif %}">
+            <label class="control-label col-md-2" for="user_office_email_address">User office</label>
+            <div class="col-md-3">
+                <input type="email" id="user_office_email_address" name="user_office_email_address" class="form-control" value="{% if errors.user_office_email_address %}{{ errors.user_office_email_address.value }}{% else %}{{ user_office_email_address }}{% endif %}" placeholder="information@example.org">
+            </div>
+            <div class="col-md-7 help-block light-grey">
+                {% if errors.user_office_email_address %}
+                    {{ errors.user_office_email_address.error }}
+                {% else %}
+                    The main point of contact for users to obtain {{ facility_name }} information. Automated emails sent from {{ site_title }} are typically 'from' this address.
+                {% endif %}
+            </div>
+        </div>
+        <div class="col-md-offset-2">
+            <input type="submit" value="Save settings" class="btn btn-success">
+        </div>
+    </form>
+</div>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations_interlock.html b/NEMO/templates/customizations/customizations_interlock.html
new file mode 100644
index 00000000..37df81b8
--- /dev/null
+++ b/NEMO/templates/customizations/customizations_interlock.html
@@ -0,0 +1,44 @@
+<div class="panel-body">
+    <h3 class="customization-section-title">Interlock settings</h3>
+    <form method="POST" action="{% url 'customize' 'interlock' %}" class="form-horizontal">
+        {% csrf_token %}
+        <div class="form-group">
+            <label class="control-label col-md-2" for="tool_interlock_failure_message">Tool failure message</label>
+            <div class="col-md-5">
+                <textarea oninput="auto_size_textarea(this);" id="tool_interlock_failure_message" name="tool_interlock_failure_message" class="form-control">{{ tool_interlock_failure_message }}</textarea>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The message to display when a tool interlock command fails.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="door_interlock_failure_message">Door failure message</label>
+            <div class="col-md-5">
+                <textarea oninput="auto_size_textarea(this);" id="door_interlock_failure_message" name="door_interlock_failure_message" class="form-control">{{ door_interlock_failure_message }}</textarea>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The message to display when a door interlock command fails.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2">Bypass on error</label>
+            <div class="col-md-10">
+                <div class="checkbox">
+                    <label><input type="checkbox" name="allow_bypass_interlock_on_failure" {% if allow_bypass_interlock_on_failure %}checked{% endif %} value="enabled">Check this box to offer users the option to bypass lock/unlock command when there is an interlock error.</label><br/>
+                </div>
+            </div>
+        </div>
+        <div class="col-md-offset-2">
+            <input type="submit" value="Save settings" class="btn btn-success">
+        </div>
+    </form>
+    <script type="text/javascript">
+        $("#interlock-tab-link").click(function() {setTimeout(on_interlock_tab_show, 50)});
+        function on_interlock_tab_show()
+        {
+            auto_size_textarea(document.getElementById('tool_interlock_failure_message'));
+            auto_size_textarea(document.getElementById('door_interlock_failure_message'));
+        }
+        on_interlock_tab_show();
+    </script>
+</div>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations_rates.html b/NEMO/templates/customizations/customizations_rates.html
new file mode 100644
index 00000000..6fe86495
--- /dev/null
+++ b/NEMO/templates/customizations/customizations_rates.html
@@ -0,0 +1,15 @@
+<div class="panel-body">
+    <h3 class="customization-section-title" id="rate">Tool Rates</h3>
+    <p>
+        You can upload a json file to display tool rates. An example of a valid rates file can be found on <a target="_blank" href="https://github.com/usnistgov/NEMO/raw/master/resources/splash_pad_rates.json">Github</a>.
+        <br><br>It should be a JSON array of elements, and the following key/values are supported for each element:
+    </p>
+    <ul>
+        <li><b>item_id</b> - the id of the tool or supply</li>
+        <li><b>table_id</b> - the type of rate, one of "inventory_rate" (for supplies), "primetime_eq_hourly_rate" (for tool), "training_individual_hourly_rate" (for individual training rate), "training_group_hourly_rate" (for group training rate)</li>
+        <li><b>rate_class</b> - the class, one of "full cost" or "cost shared"</li>
+        <li><b>rate</b> - the rate amount</li>
+        <li>item - the name of the item (optional)</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=rates name='rates' extension='json' key='rates' %}
+</div>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations_requests.html b/NEMO/templates/customizations/customizations_requests.html
new file mode 100644
index 00000000..57437fee
--- /dev/null
+++ b/NEMO/templates/customizations/customizations_requests.html
@@ -0,0 +1,116 @@
+<div class="panel-body">
+    <h3 class="customization-section-title">User requests settings</h3>
+    <form method="POST" action="{% url 'customize' 'requests' %}" class="form-horizontal">
+        {% csrf_token %}
+        <div class="form-group">
+            <label class="control-label col-md-2" for="buddy_requests_title">Buddy request tab title</label>
+            <div class="col-md-5">
+                <input type="text" id="buddy_requests_title" name="buddy_requests_title" class="form-control" value="{{ buddy_requests_title }}"/>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The title for the buddy request tab of the user requests page.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="buddy_board_description">Buddy board description</label>
+            <div class="col-md-5">
+                <textarea oninput="auto_size_textarea(this);" id="buddy_board_description" name="buddy_board_description" class="form-control">{{ buddy_board_description }}</textarea>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The description/instructions to display on the buddy board page.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="access_requests_title">Access request tab title</label>
+            <div class="col-md-5">
+                <input type="text" id="access_requests_title" name="access_requests_title" class="form-control" value="{{ access_requests_title }}"/>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The title for the access request tab of the user requests page.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="access_requests_description">Access requests description</label>
+            <div class="col-md-5">
+                <textarea oninput="auto_size_textarea(this);" id="access_requests_description" name="access_requests_description" class="form-control">{{ access_requests_description }}</textarea>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The description/instructions to display on the access requests page.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="access_requests_minimum_users">Access requests minimum users</label>
+            <div class="col-md-5">
+                <div class="input-group">
+                    <input type="number" step="1" min="0" id="access_requests_minimum_users" name="access_requests_minimum_users" class="form-control text-right" value="{{ access_requests_minimum_users }}"/>
+                    <span class="input-group-addon">users</span>
+                </div>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The minimum number of users (creator included) needed for an access request to be valid.
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="access_requests_display_max">Access requests display maximum</label>
+            <div class="col-md-5">
+                <div class="input-group">
+                    <input type="number" step="1" min="0" id="access_requests_display_max" name="access_requests_display_max" class="form-control text-right" value="{{ access_requests_display_max }}"/>
+                    <span class="input-group-addon">requests</span>
+                </div>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The maximum number of requests to display in each section (approved, denied, expired). Leave blank for all.
+            </div>
+        </div>
+        <div class="form-group {% if errors.weekend_access_notification_emails %}has-error{% endif %}">
+            <label class="control-label col-md-2" for="weekend_access_notification_emails">Weekend access notification email(s)</label>
+            <div class="col-md-5">
+                <input type="text" id="weekend_access_notification_emails" name="weekend_access_notification_emails" class="form-control" value="{% if errors.weekend_access_notification_emails %}{{ errors.weekend_access_notification_emails.value }}{% else %}{{ weekend_access_notification_emails }}{% endif %}" placeholder="weekend_access@example.org"/>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                {% if errors.weekend_access_notification_emails %}
+                    {{ errors.weekend_access_notification_emails.error }}
+                {% else %}
+                    The email(s) to notify for weekend access. A comma-separated list can be used.
+                {% endif %}
+            </div>
+        </div>
+        <div class="form-group">
+            <label class="control-label col-md-2" for="weekend_access_notification_cutoff_hour">Weekend access notification cutoff</label>
+            <div class="col-md-2">
+                <select id="weekend_access_notification_cutoff_day" name="weekend_access_notification_cutoff_day" class="form-control">
+                    <option value=""></option>
+                    <option value="1" {% if weekend_access_notification_cutoff_day == '1' %}selected{% endif %}>Tuesday</option>
+                    <option value="2" {% if weekend_access_notification_cutoff_day == '2' %}selected{% endif %}>Wednesday</option>
+                    <option value="3" {% if weekend_access_notification_cutoff_day == '3' %}selected{% endif %}>Thursday</option>
+                    <option value="4" {% if weekend_access_notification_cutoff_day == '4' %}selected{% endif %}>Friday</option>
+                    <option value="5" {% if weekend_access_notification_cutoff_day == '5' %}selected{% endif %}>Saturday</option>
+                </select>
+            </div>
+            <div class="col-md-1 help-block text-center">
+                at
+            </div>
+            <div class="col-md-2">
+                <div class="input-group">
+                    <input type="number" step="1" min="0" max="24" id="weekend_access_notification_cutoff_hour" name="weekend_access_notification_cutoff_hour" class="form-control text-right" value="{{ weekend_access_notification_cutoff_hour }}"/>
+                    <span class="input-group-addon">:00 hrs</span>
+                </div>
+            </div>
+            <div class="col-md-5 help-block light-grey">
+                The cutoff day and hour after which an email is sent if there is no approved weekend access for the week (in 24hrs format). If left blank the "no weekend access" will NOT be sent.
+            </div>
+        </div>
+        <div class="col-md-offset-2">
+            <input type="submit" value="Save settings" class="btn btn-success">
+        </div>
+    </form>
+    <script type="text/javascript">
+        $("#requests-tab-link").click(function() {setTimeout(on_requests_tab_show, 50)});
+        function on_requests_tab_show()
+        {
+            auto_size_textarea(document.getElementById('buddy_board_description'));
+            auto_size_textarea(document.getElementById('access_requests_description'));
+        }
+        on_requests_tab_show();
+    </script>
+</div>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations_templates.html b/NEMO/templates/customizations/customizations_templates.html
new file mode 100644
index 00000000..ac1b434d
--- /dev/null
+++ b/NEMO/templates/customizations/customizations_templates.html
@@ -0,0 +1,357 @@
+<div class="panel-body">
+    <h3 class="customization-section-title" id="login_banner_id">Login banner</h3>
+    <p>The login banner is an informational message displayed underneath the username and password text boxes on the login page. You can customize this to convey rules for {{ site_title }} users at your organization.</p>
+    {% include 'customizations/customizations_upload.html' with element=login_banner name='login banner' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+<div class="panel-body">
+    <h3 class="customization-section-title" id="authorization_failed_id">&quot;<a href="{% url 'authorization_failed' %}" target="_blank">{{ facility_name }} failed login</a>&quot; message</h3>
+    <p>
+        This message is displayed after authentication when either no matching username could be found in the database or if that user has been deactivated.
+        <br>The HTML you upload is rendered with the Django template engine. You can use JavaScript (including jQuery) within the message.
+    </p>
+    {% include 'customizations/customizations_upload.html' with element=authorization_failed name='authorization failed' button_name='Upload failed login page' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+<div class="panel-body">
+    <h3 class="customization-section-title" id="safety_introduction_id">Introduction for &quot;<a href="{% url 'safety' %}" target="_blank">Safety suggestions and observations</a>&quot; page</h3>
+    <p>What would you like everyone to know about safety policy and procedures? This introduction will be presented at the top of the safety page. You can use HTML to modify the look of the text.</p>
+    {% include 'customizations/customizations_upload.html' with element=safety_introduction name='safety introduction' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+<div class="panel-body">
+    <h3 class="customization-section-title" id="facility_rules_tutorial_id">&quot;<a href="{% url 'facility_rules' %}" target="_blank">{{ facility_name }} rules tutorial</a>&quot; page</h3>
+    <p>
+        The facility rules tutorial is an opportunity to provide new users with a tutorial to your lab operating procedures and rules.
+        <br>The HTML you upload is rendered with the Django template engine. You can use JavaScript (including jQuery) within the page.
+        <br>
+    </p>
+    <ul>
+        <li>The form should include <b>{% templatetag openblock %} csrf_token {% templatetag closeblock %}</b> inside the form tags.</li>
+        <li>Completion of the HTML form should be POSTed to <b>"{% templatetag openblock %} url 'facility_rules' {% templatetag closeblock %}"</b> (exactly as is).</li>
+    </ul>
+    <p>
+        Upon completion, the user's "training required" attribute is set to false, and they are able to make reservations and control tools.
+    </p>
+    {% include 'customizations/customizations_upload.html' with element=facility_rules_tutorial name='facility rules tutorial' hide_content=True key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+<div class="panel-body">
+    <h3 class="customization-section-title" id="jumbotron_watermark_id">&quot;<a href="{% url 'jumbotron' %}" target="_blank">Jumbotron</a>&quot; watermark</h3>
+    <p>This image is displayed as background for the Jumbotron. It is set as a full background screen, so your image needs to take that into account.
+        <br>The image you upload should be a valid image file (recommended size is 1500x1000).
+    </p>
+    {% include 'customizations/customizations_upload.html' with element=jumbotron_watermark name='jumbotron watermark' extension='png' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+<div class="panel-body">
+    <h3 class="customization-section-title" id="access_request_notification_email_id">Access request notification email</h3>
+    <p>This email is sent to the person who created the request when an access request is created or updated. The other users present on the request as well as the facility managers are cc'ed.</p>
+    <p>The following context variables are provided when the email is rendered:</p>
+    <ul>
+        <li><b>template_color</b> - the color: green if approved, red if denied, blue otherwise</li>
+        <li><b>access_request</b> - the user's access request that was created or updated</li>
+        <li><b>status</b> - the status of the request: received, updated, approved or denied</li>
+        <li><b>access_requests_url</b> - the URL to the access requests page</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=access_request_notification_email name='access request notification email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="cancellation_email_id">Cancellation email</h3>
+    <p>This email is sent to a user when a staff member cancels the user's reservation. The following context variables are provided when the email is rendered:</p>
+    <ul>
+        <li><b>reservation</b> - the user's reservation that was cancelled</li>
+        <li><b>staff_member</b> - the user object of the staff member who cancelled the reservation</li>
+        <li><b>reason</b> - the reason the staff member provided for cancelling the reservation</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=cancellation_email name='cancellation email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="counter_threshold_reached_email_id">Counter threshold reached email</h3>
+    <p>
+        This email is sent to the counter's warning email when the value of an counter reaches the warning threshold.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>counter</b> - the counter which value reached the warning threshold</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=counter_threshold_reached_email name='counter threshold reached email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="feedback_email_id">Feedback email</h3>
+    <p>
+        This email is sent when a user <a href="{% url 'feedback' %}" target="_blank">submits feedback</a>. The feedback email address (at the top of this page) must also be configured for users to be able to do this.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>contents</b> - the user's feedback</li>
+        <li><b>user</b> - the user object of the user who submitted the feedback</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=feedback_email name='feedback email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="generic_email_id">Generic email</h3>
+    <p>A generic email that can be sent to qualified tool users, members of an account, or members of a project. Send these using the <a href="{% url 'email_broadcast' %}">email broadcast page</a>. The following context variables are provided when the email is rendered:</p>
+    <ul>
+        <li><b>title</b> - the user specified title of the email</li>
+        <li><b>greeting</b> - a greeting to the recipients of the email</li>
+        <li><b>contents</b> - the body of the email</li>
+        <li><b>template_color</b> - the color to emphasize</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=generic_email name='generic email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="missed_reservation_email_id">Missed reservation email</h3>
+    <p>
+        This email is sent when a user misses a reservation. If a tool is not used for an amount
+        of time after the user's reservation has begun, it is marked as missed and removed from the calendar.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>reservation</b> - the reservation that the user missed</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=missed_reservation_email name='missed reservation email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="facility_rules_tutorial_email_id">Facility rules tutorial email</h3>
+    <p>
+        This email is sent when a user completes the facility rules tutorial. It can contain a free-response answer (quiz question).
+        If you do not upload a template then no notification email is sent to staff when a user completes the training tutorial.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>user</b> - the user's model instance</li>
+        <li><b>making_reservations_rule_summary</b> - a free-response answer provided by the user. Normally, this is provided by the user to summarize their understanding of the {{ facility_name }} rules and proceedures.</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=facility_rules_tutorial_email name='facility rules tutorial email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="new_task_email_id">New task email</h3>
+    <p>
+        This email is sent when a new maintenance task is created for a tool.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>user</b> - the user who created the task</li>
+        <li><b>task</b> - the task information</li>
+        <li><b>tool</b> - the tool that the task is associated with</li>
+        <li><b>tool_control_absolute_url</b> - the URL of the tool control page for the tool</li>
+        <li><b>template_color</b> - an HTML color code indicating the severity of the problem. Orange for warning, red for shutdown.</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=new_task_email name='new task email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="out_of_time_reservation_email_id">Out of time reservation email</h3>
+    <p>
+        This email is sent when a user is still logged in an area but his reservation expired. A grace period can be set when configuring the area.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>reservation</b> - the reservation that the user is out of time on</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=out_of_time_reservation_email name='out of time reservation email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="reorder_supplies_reminder_email_id">Reorder supplies reminder email</h3>
+    <p>
+        This email is sent to the item's reminder email when the quantity of an item falls below the reminder threshold and should be reordered.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>item</b> - the item which quantity fell below the reminder threshold</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=reorder_supplies_reminder_email name='reorder supplies reminder email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="reservation_ending_reminder_email_id">Reservation ending reminder email</h3>
+    <p>
+        This email is sent to a user that is logged in an area 30 and 15 minutes before their area reservation ends.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>reservation</b> - the user's reservation ending</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=reservation_ending_reminder_email name='reservation ending reminder email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="reservation_reminder_email_id">Reservation reminder email</h3>
+    <p>
+        This email is sent to a user two hours before their tool/area reservation begins.
+        The reservation warning email must also exist for this email to be sent.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>reservation</b> - the user's upcoming reservation</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=reservation_reminder_email name='reservation reminder email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="reservation_warning_email_id">Reservation warning email</h3>
+    <p>
+        This email is sent to a user two hours before their tool/area reservation begins and maintenance may interfere with the upcoming reservation.
+        The reservation reminder email must also exist for this email to be sent.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>reservation</b> - the user's upcoming reservation</li>
+        <li><b>fatal_error</b> - boolean value that, when true, indicates that it will be impossible for the user to use the tool/access the area during their reservation (due to maintenance, outages or a missing required dependency)</li>
+        <li><b>template_color</b> - an HTML color code indicating the severity of the problem. Orange for warning, red for shutdown.</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=reservation_warning_email name='reservation warning email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="safety_issue_email_id">Safety issue email</h3>
+    <p>
+        This email is sent when a new maintenance task is created for a tool.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>issue</b> - the issue information</li>
+        <li><b>issue_absolute_url</b> - the URL for the detailed view of the issue</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=safety_issue_email name='safety issue email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="staff_charge_reminder_email_id">Staff charge reminder email</h3>
+    <p>
+        This email is periodically sent to remind staff that they are charging a user for staff time.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>staff_charge</b> - the staff charge that is in progress</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=staff_charge_reminder_email name='staff charge reminder email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="task_status_notification_id">Task status notification email</h3>
+    <p>
+        This email is sent when a tool task has be updated and set to a particular state.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>template_color</b> - the color to emphasize</li>
+        <li><b>title</b> - a title indicating that the message is a task status notification</li>
+        <li><b>task</b> - the task that was updated</li>
+        <li><b>status_message</b> - the current status message for the task</li>
+        <li><b>notification_message</b> - the notification message that is configured (via the admin site) for the status</li>
+        <li><b>tool_control_absolute_url</b> - the URL of the tool control page for the task</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=task_status_notification name='task status notification' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="unauthorized_tool_access_email_id">Unauthorized tool access email</h3>
+    <p>
+        This email is sent when a user tries to access a tool:
+    </p>
+    <ul>
+        <li>without being logged in to the area in which the tool resides (type 'area').</li>
+        <li>without having a current area reservation (type 'reservation')</li>
+    </ul>
+    <p>
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>operator</b> - the person who attempted to use the tool</li>
+        <li><b>tool</b> - the tool that the user was denied access to</li>
+        <li><b>type</b> - the type of abuse ('area' or 'reservation')</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=unauthorized_tool_access_email name='unauthorized tool access email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="usage_reminder_email_id">Usage reminder email</h3>
+    <p>
+        This email is periodically sent to remind a user that they have a tool enabled.
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>user</b> - the user who is using a tool or logged in to an area</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=usage_reminder_email name='usage reminder email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="reservation_created_user_email_id">User reservation created email</h3>
+    <p>
+        This email is sent to a user when the user creates a reservation and has opted to receive ics calendar notification in his preferences.
+        <br>This is optional, the email will still be sent with only the calendar attachment if this is left blank.
+        <br><br>The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>reservation</b> - the user's reservation that was created</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=reservation_created_user_email name='reservation created user email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="reservation_cancelled_user_email_id">User reservation cancelled email</h3>
+    <p>
+        This email is sent to a user when the user cancels his own reservation and has opted to receive ics calendar notification in his preferences.
+        <br>This is optional, the email will still be sent with only the calendar attachment if this is left blank.
+        <br><br>The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>reservation</b> - the user's reservation that was cancelled</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=reservation_cancelled_user_email name='reservation cancelled user email' key='templates' %}
+    <div class="customization-separation"></div>
+</div>
+
+<div class="panel-body">
+    <h3 class="customization-section-title" id="weekend_access_email_id">Weekend access notification email</h3>
+    <p>
+        This email is sent to the <a href="?#weekend_access_notification_emails">weekend access notification email(s)</a> as well as the facility manager(s) when:
+    </p>
+    <ul>
+        <li>
+            there is at least one approved access request that includes weekend time during the current week.
+            (The email is sent when the first weekend access request is approved).
+        </li>
+        <li>
+            there are no approved access requests that include weekend time during the current week.
+            (the email is sent on the <a href="?#weekend_access_notification_cutoff_day">cutoff day</a> at the <a href="?#weekend_access_notification_cutoff_hour">cutoff hour</a> provided in the user requests settings above).
+        </li>
+    </ul>
+    <p>
+        The following context variables are provided when the email is rendered:
+    </p>
+    <ul>
+        <li><b>weekend_access</b> - true/false, whether there are approved weekend access requests for the current week.</li>
+    </ul>
+    {% include 'customizations/customizations_upload.html' with element=weekend_access_email name='weekend access email' key='templates' %}
+</div>
\ No newline at end of file
diff --git a/NEMO/templates/customizations/customizations_upload.html b/NEMO/templates/customizations/customizations_upload.html
index 90e3c246..00869b3a 100644
--- a/NEMO/templates/customizations/customizations_upload.html
+++ b/NEMO/templates/customizations/customizations_upload.html
@@ -1,19 +1,22 @@
 {% load static %}
 {% with element_name=name.split|join:"_"|lower extension=extension|default:"html" %}
-    <form method="POST" action="{% url 'customize' element_name %}#{{ element_name }}_id" enctype="multipart/form-data" onsubmit="return check_delete_file_before_submit('{{ element_name }}')">
+    <form method="POST" action="{% url 'customize' key element_name %}#{{ element_name }}_id" enctype="multipart/form-data" onsubmit="return check_delete_file_before_submit('{{ element_name }}')">
         {% csrf_token %}
-        <div class="form-group">
+        <div class="form-group" style="margin-bottom: 0">
             <input type="file" name="{{ element_name }}" class="customization-input-file" onchange="this.style.color = 'inherit';$('#{{ element_name }}_span').hide()">
             {% if element %}
                 <a id="{{ element_name }}_span" href="{% get_media_prefix %}{{ element_name }}.{{ extension }}" download="{{ element_name }}.{{ extension }}" target="_blank">{{ element_name }}.{{ extension }}</a>
             {% endif %}
         </div>
         <div class="form-group">
-            <input type="submit" value="{% if button_name %}{{ button_name }}{% else %}Upload {{ name }}{% endif %}" class="btn btn-success">
+            <div style="display: inline-block;margin-right:15px;margin-top: 15px">
+                <input type="submit" value="{% if button_name %}{{ button_name }}{% else %}Upload {{ name }}{% endif %}" class="btn btn-success">
+            </div>
+            {% if element and not hide_content %}
+                <div style="display: inline-block;margin-top: 15px">
+                    <a href="{% get_media_prefix %}{{ element_name }}.{{ extension }}" class="btn btn-info" target="_blank">Show current content</a>
+                </div>
+            {% endif %}
         </div>
     </form>
-    {% if element and not hide_content %}
-        <div class="customization-separation"></div>
-        <a href="{% get_media_prefix %}{{ element_name }}.{{ extension }}" class="btn btn-info" target="_blank">Show current content</a>
-    {% endif %}
 {% endwith %}
\ No newline at end of file
diff --git a/NEMO/templates/event_details/outage_details.html b/NEMO/templates/event_details/outage_details.html
index bd4fa001..c01f1814 100644
--- a/NEMO/templates/event_details/outage_details.html
+++ b/NEMO/templates/event_details/outage_details.html
@@ -17,11 +17,11 @@ <h1>Scheduled outage details</h1>
         Details:<br>
         {{ outage.details|linebreaksbr }}
     {% endif %}
-{% endblock %}
 
-{# Allow the user to cancel the outage if they have that priviledge. only in popup view #}
-{% if user.is_staff and popup_view %}
-	<div class="modal-footer">
-		<button type="button" class="btn btn-danger" data-dismiss="modal" onclick="$('#dialog').one('hidden.bs.modal', function() { cancel_outage('{% url 'cancel_outage' outage.id %}', 'Outage {{ outage.id }}') })">Cancel this outage</button>
-	</div>
-{% endif %}
\ No newline at end of file
+    {# Allow the user to cancel the outage if they have that priviledge. only in popup view #}
+    {% if user.is_staff and popup_view %}
+        <div class="modal-footer">
+            <button type="button" class="btn btn-danger" data-dismiss="modal" onclick="$('#dialog').one('hidden.bs.modal', function() { cancel_outage('{% url 'cancel_outage' outage.id %}', 'Outage {{ outage.id }}') })">Cancel this outage</button>
+        </div>
+    {% endif %}
+{% endblock %}
\ No newline at end of file
diff --git a/NEMO/templates/login.html b/NEMO/templates/login.html
index cb7ff900..8115acab 100644
--- a/NEMO/templates/login.html
+++ b/NEMO/templates/login.html
@@ -70,6 +70,7 @@
 				{{ login_banner|safe }}
 			</div>
 		{% endif %}
+        {% include 'base/footer.html' %}
 	</div>
 
 	<script>
@@ -81,4 +82,13 @@
 	</script>
 
 </body>
+<style>
+.page-footer
+{
+	margin-top: 20px;
+  	border-top: 1px solid #eee;
+	line-height: 40px;
+	text-align: center;
+}
+</style>
 </html>
\ No newline at end of file
diff --git a/NEMO/templates/mobile/new_reservation.html b/NEMO/templates/mobile/new_reservation.html
index 458f0805..766c3b7c 100644
--- a/NEMO/templates/mobile/new_reservation.html
+++ b/NEMO/templates/mobile/new_reservation.html
@@ -82,7 +82,7 @@ <h4>Please answer the following questions</h4>
 		let start_time_picker = $('#start').pickatime({interval: 15, formatSubmit: "H:i", hiddenName: true, formatLabel: format_label});
 		let end_time_picker = $('#end').pickatime({interval: 15, formatSubmit: "H:i", hiddenName: true, formatLabel: format_label});
 		// set initial date
-		if ('{{ date }}')
+		if ('{{ date|default_if_none:'' }}')
 		{
             date_picker.pickadate('picker').set('select', '{{ date }}', {format: 'yyyy-mm-dd'})
         }
diff --git a/NEMO/templates/remote_work.html b/NEMO/templates/remote_work.html
index 48899f85..0b3c5ad1 100644
--- a/NEMO/templates/remote_work.html
+++ b/NEMO/templates/remote_work.html
@@ -1,5 +1,6 @@
 {% extends 'base.html' %}
 {% load static %}
+{% load custom_tags_and_filters %}
 {% block title %}Remote work{% endblock %}
 {% block extrahead %}
 	<script type="text/javascript" src="{% static "datetimepicker/bootstrap-datetimepicker.js" %}"></script>
@@ -56,13 +57,13 @@ <h1>Remote work</h1>
 				<label for="start_date" class="text-center" style="width: 100%">or between</label>
 			</div>
 			<div class="col-md-2">
-				<input type="text" id="start_date" name="start_date" class="form-control text-center" placeholder="Choose a date" value="{{ start_date|date:"m/d/Y" }}">
+				<input type="text" id="start_date" name="start" class="form-control text-center" placeholder="Choose a date" value="{{ start_date.date|input_date_format }}">
 			</div>
 			<div class="control-label col-md-1">
 				<label for="end_date" class="text-center" style="width: 100%">and</label>
 			</div>
 			<div class="col-md-2">
-				<input type="text" id="end_date" name="end_date" class="form-control text-center" placeholder="Choose a date" value="{{ end_date|date:"m/d/Y" }}">
+				<input type="text" id="end_date" name="end" class="form-control text-center" placeholder="Choose a date" value="{{ end_date.date|input_date_format }}">
 			</div>
 		</div>
 		<div class="form-group" style="margin-top: 25px">
@@ -111,6 +112,12 @@ <h3>Staff charges</h3>
 					<td style="border-top-style: dotted">{{ area_access_record.end|default_if_none:'' }}</td>
 				</tr>
 			{%  endfor %}
+        {% empty %}
+            <tr><td colspan="7">
+                {% if start_date or end_date %}
+                    No staff charges exist {% if start_date and end_date %}between {{ start_date }} and {{ end_date }}{% elif start_date %}after {{ start_date }}{% else %}before {{ end_date }}{% endif %}.
+                {% endif %}
+            </td></tr>
 		{% endfor %}
 		</tbody>
 	</table>
@@ -141,11 +148,19 @@ <h3>Tool usage</h3>
 				<td>{{ u.tool }}</td>
 				<td>{% if not u.validated %}<button class="btn btn-success" onclick="validate_charge('{% url 'validate_usage_event' u.id %}', this, '#usage_event_row_{{ forloop.counter }}')">Validate</button>{% endif %}</td>
 			</tr>
+        {% empty %}
+            <tr><td colspan="8">
+                {% if start_date or end_date %}
+                    No tool usage exist {% if start_date and end_date %}between {{ start_date }} and {{ end_date }}{% elif start_date %}after {{ start_date }}{% else %}before {{ end_date }}{% endif %}.
+                {% endif %}
+            </td></tr>
 		{% endfor %}
 		</tbody>
 	</table>
 
 	<script>
+        const js_date_format = "{{ date_input_js_format }}";
+
 		function validate_charge(url, button, row)
 		{
 			$(button).hide();
@@ -156,14 +171,14 @@ <h3>Tool usage</h3>
 
 		let start_date_jq = $('#start_date');
 		let end_date_jq = $('#end_date');
-		start_date_jq.datetimepicker({format: 'MM/DD/YYYY'});
-		end_date_jq.datetimepicker({format: 'MM/DD/YYYY'});
+		start_date_jq.datetimepicker({format: js_date_format});
+		end_date_jq.datetimepicker({format: js_date_format});
 
 		function set_dates_from_month(month_input)
 		{
 			let month = moment(month_input, "MMMM, YYYY");
-			let firstOfMonth = month.startOf('month').format('MM/DD/YYYY');
-			let lastOfMonth = month.endOf('month').format('MM/DD/YYYY');
+			let firstOfMonth = month.startOf('month').format(js_date_format);
+			let lastOfMonth = month.endOf('month').format(js_date_format);
 
 			start_date_jq.val(firstOfMonth);
 			end_date_jq.val(lastOfMonth);
@@ -171,18 +186,19 @@ <h3>Tool usage</h3>
 
 		function set_dropdown_selected()
 		{
-			if ('{{ start_date }}' && '{{ end_date }}')
+			if ('{{ start_date|default_if_none:'' }}' && '{{ end_date|default_if_none:'' }}')
 			{
-				let start = moment('{{ start_date|date:'m/d/Y' }}');
-				let end = moment('{{ end_date|date:'m/d/Y' }}');
-				if (start.month() === end.month() && start.year() === end.year() && start.format('MM/DD/YYYY') === start.startOf('month').format('MM/DD/YYYY') && end.format('MM/DD/YYYY') === end.endOf('month').format('MM/DD/YYYY'))
+				let start = moment('{{ start_date.date|input_date_format }}', js_date_format);
+				let end = moment('{{ end_date.date|input_date_format }}', js_date_format);
+				if (start.month() === end.month() && start.year() === end.year() && start.day() === start.startOf('month').day() && end.day() === end.endOf('month').day())
 				{
 					let month = start.format("MMMM, YYYY");
 					$('#month_list').val(month)
 				}
 			}
 		}
-		$(set_dropdown_selected());
+
+        window.addEventListener("load", set_dropdown_selected)
 	</script>
 
 {% endblock %}
\ No newline at end of file
diff --git a/NEMO/templates/requests/access_requests/access_request.html b/NEMO/templates/requests/access_requests/access_request.html
index 1d291da3..34d49f82 100644
--- a/NEMO/templates/requests/access_requests/access_request.html
+++ b/NEMO/templates/requests/access_requests/access_request.html
@@ -19,11 +19,11 @@ <h1 class="form-group">{% if form.instance.id %}Modify access request{% else %}N
 			<div class="row">
 				<div class="col-md-3 col-sm-6">
 					<label for="start_time">Start</label>
-					<input type="text" class="form-control text-center" name="start_time" id="start_time" value="{{ form.start_time.value|to_date:'m/d/Y g:i A' }}" required>
+					<input type="text" class="form-control text-center" name="start_time" id="start_time" value="{{ form.start_time.value|input_date_format }}" required>
                 </div>
 				<div class="col-md-3 col-sm-6">
 					<label for="end_time">End</label>
-					<input type="text" class="form-control text-center" name="end_time" id="end_time" value="{{ form.end_time.value|to_date:'m/d/Y g:i A' }}" required>
+					<input type="text" class="form-control text-center" name="end_time" id="end_time" value="{{ form.end_time.value|input_date_format }}" required>
 				</div>
 			</div>
             {% if form.start_time.errors or form.end_time.errors %}
@@ -85,7 +85,7 @@ <h1 class="form-group">{% if form.instance.id %}Modify access request{% else %}N
 	<script>
         let timepicker_properties =
 		{
-			format: 'MM/DD/YYYY h:mm A',
+			format: '{{ datetime_input_js_format }}',
             showClose: true,
             useCurrent: false
 		};
diff --git a/NEMO/templates/requests/buddy_requests/buddy_request.html b/NEMO/templates/requests/buddy_requests/buddy_request.html
index d65dac7d..7e7565e9 100644
--- a/NEMO/templates/requests/buddy_requests/buddy_request.html
+++ b/NEMO/templates/requests/buddy_requests/buddy_request.html
@@ -19,11 +19,11 @@ <h1 class="form-group">{% if form.instance.id %}Modify buddy request{% else %}Ne
 			<div class="row">
 				<div class="col-sm-2">
 					<label for="start">Start date</label>{% if form.start.errors %} - <span style="color:red">{{ form.start.errors|striptags }}</span>{% endif %}
-					<input type="text" class="form-control text-center" name="start" id="start" value="{{ form.start.value|to_date:'m/d/Y' }}" required>
+					<input type="text" class="form-control text-center" name="start" id="start" value="{{ form.start.value|input_date_format }}" required>
 				</div>
 				<div class="col-sm-2">
 					<label for="end">End date</label>{% if form.end.errors %} - <span style="color:red">{{ form.end.errors|striptags }}</span>{% endif %}
-					<input type="text" class="form-control text-center" name="end" id="end" value="{{ form.end.value|to_date:'m/d/Y' }}" required>
+					<input type="text" class="form-control text-center" name="end" id="end" value="{{ form.end.value|input_date_format }}" required>
 				</div>
 			</div>
 		</div>
@@ -43,7 +43,7 @@ <h1 class="form-group">{% if form.instance.id %}Modify buddy request{% else %}Ne
 	<script>
 		let timepicker_properties =
 		{
-			format: 'MM/DD/YYYY',
+			format: '{{ date_input_js_format }}',
             useCurrent: false
 		};
 
diff --git a/NEMO/templates/status_dashboard/staff.html b/NEMO/templates/status_dashboard/staff.html
index aa468864..a0649562 100644
--- a/NEMO/templates/status_dashboard/staff.html
+++ b/NEMO/templates/status_dashboard/staff.html
@@ -1,4 +1,5 @@
 {% load custom_tags_and_filters %}
+{% load tz %}
 <div class="row" style="display: table-row;">
     <div style="display: table-cell;width: 100%">
         Staff availability is highlighted in <span style="display: inline-block; padding: 3px" class="alert-success">green</span><br>
@@ -67,7 +68,8 @@
                         </td>
                         {% for day in days %}
                             {% with staff_available=staff.weekly_availability|get_item:day.weekday staff_absent=staff_absences|get_item:staff.id|get_item:day.day closure_time=closure_times|get_item:day.day %}
-                                <td {% if prev and next and days_length == 1 %}colspan="3" {% elif forloop.first and prev or forloop.last and next %}colspan="2"{% endif %} class="staff-status-availability text-center {% if staff_absent or closure_time %}{% if staff_absent and not staff_absent.full_day %}alert-warning{% else %}alert-danger{% endif %}{% elif staff_available %}alert-success{% elif not user.is_facility_manager %}alert-danger{% endif %}">
+                                {% with start_closure_time=closure_time.start_time|localtime end_closure_time=closure_time.end_time|localtime %}
+                                <td {% if prev and next and days_length == 1 %}colspan="3" {% elif forloop.first and prev or forloop.last and next %}colspan="2"{% endif %} class="staff-status-availability text-center {% if staff_absent or closure_time %}{% if staff_absent and not staff_absent.full_day %}alert-warning{% elif closure_time %}{% if start_closure_time.date == day.date and start_closure_time.hour > 0 or start_closure_time.date == day.date and start_closure_time.minute > 0 %}alert-warning{% elif end_closure_time.date == day.date and end_closure_time.hour < 23 or end_closure_time.date == day.date and end_closure_time.minute < 59 %}alert-warning{% else %}alert-danger{% endif %}{% else %}alert-danger{% endif %}{% elif staff_available %}alert-success{% elif not user.is_facility_manager %}alert-danger{% endif %}">
                                     {% if closure_time %}
                                         {% with custom_data_template="<div class='tooltip' role='tooltip'><div class='arrow'></div><div class='tooltip-inner' style='text-align:left; max-width: 300px'></div></div>" %}
                                             <div data-toggle="tooltip" data-template="{{ custom_data_template }}" title="{% if closure_time.closure.alert_template %}{{ closure_time.alert_contents|linebreaksbr }}{% else %}{{ closure_time.closure.name }} {{ closure_time }}{% endif %}"><div>Closed</div></div>
@@ -82,6 +84,7 @@
                                         <div data-toggle="tooltip" title="{{ staff.daily_hours }}">&nbsp;</div>
                                     {% endif %}
                                 </td>
+                                {% endwith %}
                             {% endwith %}
                         {% endfor %}
                     </tr>
diff --git a/NEMO/templates/status_dashboard/staff_absence.html b/NEMO/templates/status_dashboard/staff_absence.html
index 9f9cef96..1d7651b8 100644
--- a/NEMO/templates/status_dashboard/staff_absence.html
+++ b/NEMO/templates/status_dashboard/staff_absence.html
@@ -38,11 +38,11 @@
     <div class="form-group">
         <label class="col-sm-3 control-label" for="start_date">Start</label>
         <div class="col-sm-4">
-            <input type="text" class="form-control text-center" name="start_date" id="start_date" value="{{ form.start_date.value|to_date:'m/d/Y' }}" required>
+            <input type="text" class="form-control text-center" name="start_date" id="start_date" value="{{ form.start_date.value|input_date_format }}" required>
         </div>
         <label class="col-sm-1 control-label" for="end_date">End</label>
         <div class="col-sm-4">
-            <input type="text" class="form-control text-center" name="end_date" id="end_date" value="{{ form.end_date.value|to_date:'m/d/Y' }}" required>
+            <input type="text" class="form-control text-center" name="end_date" id="end_date" value="{{ form.end_date.value|input_date_format }}" required>
         </div>
         {% if form.start_date.errors or form.end_date.errors %}
             <div class="col-sm-4 col-sm-offset-3">{% if form.start_date.errors %}<span style="color:red">{{ form.start_date.errors|striptags }}</span>{% endif %}</div>
@@ -125,7 +125,7 @@
 
     let timepicker_properties =
     {
-        format: 'MM/DD/YYYY',
+        format: '{{ date_input_js_format }}',
         useCurrent: false,
         {# Setting view date according to the current week view. Javascript Date takes ms so we need to multiply by 1000 #}
         viewDate: new Date({% widthratio page_timestamp 1 1000 %})
diff --git a/NEMO/templates/status_dashboard/status_dashboard.html b/NEMO/templates/status_dashboard/status_dashboard.html
index 5774950c..067d8147 100644
--- a/NEMO/templates/status_dashboard/status_dashboard.html
+++ b/NEMO/templates/status_dashboard/status_dashboard.html
@@ -59,7 +59,7 @@ <h1 class="pull-left" style="margin-right:20px; margin-top:0; margin-bottom:0">S
 
     function update_url()
     {
-        {# Set permanend url so we can refresh specific tab #}
+        {# Set permanent url so we can refresh specific tab #}
         let title = "Area occupancy";
         let new_url = "{% url 'status_dashboard_tab' 'occupancy' %}";
         if ($("#tools").hasClass("active"))
@@ -87,15 +87,21 @@ <h1 class="pull-left" style="margin-right:20px; margin-top:0; margin-bottom:0">S
 
 	function force_user_out_of_the_area(url)
 	{
-		let failure_dialog = ajax_failure_callback("Unable to force the user to log out of the area");
-		ajax_post(url, undefined, undefined, failure_dialog, refresh_status_dashboard);
+        if (confirm("Are you sure you want to log this user out of the area?"))
+        {
+		    let failure_dialog = ajax_failure_callback("Unable to force the user to log out of the area");
+		    ajax_post(url, undefined, undefined, failure_dialog, refresh_status_dashboard);
+        }
 	}
 
 	function force_user_off_of_tool(url)
 	{
-		let failure_dialog = ajax_failure_callback("Unable to force user off the tool");
-		let contents = { "state": "disable" };
-		ajax_post(url, contents, undefined, failure_dialog, refresh_status_dashboard);
+        if (confirm("Are you sure you want to log this user off of the tool?"))
+        {
+            let failure_dialog = ajax_failure_callback("Unable to force user off the tool");
+            let contents = {"state": "disable"};
+            ajax_post(url, contents, undefined, failure_dialog, refresh_status_dashboard);
+        }
 	}
 
 	{# This function modifies the contents of a style sheet after the page has been loaded. #}
diff --git a/NEMO/templates/tool_control/tool_control.html b/NEMO/templates/tool_control/tool_control.html
index ba607307..6aaf0312 100644
--- a/NEMO/templates/tool_control/tool_control.html
+++ b/NEMO/templates/tool_control/tool_control.html
@@ -246,9 +246,8 @@
 		function load_tasks_and_comments(ten_most_recent)
 		{
 			let data = serialize("#history_form");
-			if (data.start)	data.start = moment(data.start, "MM/DD/YYYY").unix();
-			if (data.end) data.end = moment(data.end, "MM/DD/YYYY").add(1, 'day').unix();
-			{# Add one day because by default the time is midnight the day of. We want to include the full duration of the last day. #}
+			if (data.start)	data.start = moment.utc(data.start, "{{ date_input_js_format }}").unix();
+			if (data.end) data.end = moment.utc(data.end, "{{ date_input_js_format }}").unix();
             let tasks_and_comments_url = "{% url 'past_comments_and_tasks' %}?" + $.param(data);
 			if (ten_most_recent)
             {
@@ -283,8 +282,8 @@
 
 		function load_tasks_and_comments_for_last_three_months()
 		{
-			let start = moment().subtract(3, 'months').format("MM/DD/YYYY");
-			let end = moment().format("MM/DD/YYYY");
+			let start = moment().subtract(3, 'months').format("{{ date_input_js_format }}");
+			let end = moment().format("{{ date_input_js_format }}");
 			$("#task_and_comment_start").val(start);
 			$("#task_and_comment_end").val(end);
 			load_tasks_and_comments();
@@ -300,8 +299,8 @@
 			let failure_dialog = ajax_complete_callback("Unable to find usage data", "There was a problem looking up usage data.");
 			let data = serialize("#usage_data_form");
 			data.csrfmiddlewaretoken= "{{ csrf_token }}";
-			if (data.data_history_start_date) data.start = moment(data.data_history_start_date, "MM/DD/YYYY").unix();
-			if (data.data_history_end_date) data.end = moment(data.data_history_end_date, "MM/DD/YYYY").unix();
+			if (data.data_history_start_date) data.start = moment.utc(data.data_history_start_date, "{{ date_input_js_format }}").unix();
+			if (data.data_history_end_date) data.end = moment.utc(data.data_history_end_date, "{{ date_input_js_format }}").unix();
 			$("#usage_data").load("{% url 'usage_data_history' 999 %}".replace('999', tool_id), data, failure_dialog);
 			if (csv_export)
 			{
diff --git a/NEMO/templates/tool_control/tool_status.html b/NEMO/templates/tool_control/tool_status.html
index 1cd3ef2f..e231b405 100644
--- a/NEMO/templates/tool_control/tool_status.html
+++ b/NEMO/templates/tool_control/tool_status.html
@@ -647,8 +647,8 @@ <h4 class="media-heading">Task &amp; comment history for this tool</h4>
       	$(this).tooltip({trigger: 'manual', html: 'true', title: $(this).data('title')}).tooltip('toggle');
     });
 	$("#tabs").find("a").click(switch_tab);
-	$('#task_and_comment_start').datetimepicker({format: 'MM/DD/YYYY', 'widgetParent': '#task_and_comment_start_form_group'});
-	$('#task_and_comment_end').datetimepicker({format: 'MM/DD/YYYY', 'widgetParent': '#task_and_comment_end_form_group'});
+	$('#task_and_comment_start').datetimepicker({format: '{{ date_input_js_format }}', 'widgetParent': '#task_and_comment_start_form_group'});
+	$('#task_and_comment_end').datetimepicker({format: '{{ date_input_js_format }}', 'widgetParent': '#task_and_comment_end_form_group'});
 	$('#delayed_logoff_help').popover();
 
 	function update_stop_button()
@@ -668,6 +668,6 @@ <h4 class="media-heading">Task &amp; comment history for this tool</h4>
     show_alerts();
 	update_stop_button();
 	$('body').on('question-group-changed', update_stop_button);
-	$('body').on('change keyup', '#tool_control input[required], #tool_control select[required], #tool_control textarea[required], #downtime', update_stop_button);
+	$('body').on('change keyup', '#tool_control input, #tool_control select, #tool_control textarea, #downtime', update_stop_button);
 
 </script>
diff --git a/NEMO/templates/tool_control/usage_data.html b/NEMO/templates/tool_control/usage_data.html
index 2314ba30..fec1ade6 100644
--- a/NEMO/templates/tool_control/usage_data.html
+++ b/NEMO/templates/tool_control/usage_data.html
@@ -13,13 +13,13 @@
                             <label for="data_history_start_date">From</label>
                         </div>
                         <div class="datetimepicker-container form-group extra-side-padding">
-                            <input type="text" id="data_history_start_date" name="data_history_start_date" class="form-control text-center small-input" placeholder="Start date" value="{{ data_history_start|date:"m/d/Y" }}">
+                            <input type="text" id="data_history_start_date" name="data_history_start_date" class="form-control text-center small-input" placeholder="Start date" value="{{ data_history_start|input_date_format }}">
                         </div>
                         <div class="form-group extra-side-padding">
                             <label for="data_history_end_date">to</label>
                         </div>
                         <div class="datetimepicker-container form-group extra-side-padding">
-                            <input type="text" id="data_history_end_date" name="data_history_end_date" class="form-control text-center small-input" placeholder="End date" value="{{ data_history_end|date:"m/d/Y" }}">
+                            <input type="text" id="data_history_end_date" name="data_history_end_date" class="form-control text-center small-input" placeholder="End date" value="{{ data_history_end|input_date_format }}">
                         </div>
                         <div class="form-group extra-side-padding">
                             <label for="data_history_last">or last</label>
@@ -103,6 +103,6 @@
         $('#data_history_user_id').val(search_selection.id);
     }
     $('#user_search').autocomplete('users', select_user, {{ users|json_search_base }});
-    $('#data_history_start_date').datetimepicker({format: 'MM/DD/YYYY'}).on('dp.change', function (e) { $('#data_history_last').val('') });
-    $('#data_history_end_date').datetimepicker({format: 'MM/DD/YYYY'}).on('dp.change', function (e) { $('#data_history_last').val('') });
+    $('#data_history_start_date').datetimepicker({format: '{{ date_input_js_format }}'}).on('dp.change', function (e) { $('#data_history_last').val('') });
+    $('#data_history_end_date').datetimepicker({format: '{{ date_input_js_format }}'}).on('dp.change', function (e) { $('#data_history_last').val('') });
 </script>
\ No newline at end of file
diff --git a/NEMO/templates/usage/usage_base.html b/NEMO/templates/usage/usage_base.html
index 0497d651..a7e1d1d2 100644
--- a/NEMO/templates/usage/usage_base.html
+++ b/NEMO/templates/usage/usage_base.html
@@ -31,13 +31,13 @@ <h1>Usage{% if billing_service %} and billing information{% endif %}
 				<label for="start_date">or from</label>
 			</div>
 			<div class="col-sm-3 col-md-3 col-lg-2">
-				<input type="text" id="start_date" name="start_date" class="form-control text-center" placeholder="Choose a date" value="{{ start_date|date:"m/d/Y" }}">
+				<input type="text" id="start_date" name="start" class="form-control text-center" placeholder="Choose a date" value="{{ start_date.date|input_date_format }}">
 			</div>
 			<div class="control-label col-sm-1 col-sm-1 col-lg-1" style="text-align: center">
 				<label for="end_date">to</label>
 			</div>
 			<div class="col-sm-3 col-md-3 col-lg-2">
-				<input type="text" id="end_date" name="end_date" class="form-control text-center" placeholder="Choose a date" value="{{ end_date|date:"m/d/Y" }}">
+				<input type="text" id="end_date" name="end" class="form-control text-center" placeholder="Choose a date" value="{{ end_date.date|input_date_format }}">
 			</div>
             {% if pi_projects %}
                 </div>
@@ -69,16 +69,18 @@ <h1>Usage{% if billing_service %} and billing information{% endif %}
 		<input id="id" name="id" type="hidden" value="{{ identifier|default:'' }}"/>
 
 		<script>
+            const js_date_format = "{{ date_input_js_format }}";
+
 			let start_date_jq = $('#start_date');
 			let end_date_jq = $('#end_date');
-			start_date_jq.datetimepicker({format: 'MM/DD/YYYY'});
-			end_date_jq.datetimepicker({format: 'MM/DD/YYYY'});
+			start_date_jq.datetimepicker({format: js_date_format});
+			end_date_jq.datetimepicker({format: js_date_format});
 
 			function set_dates_from_month(month_input)
 			{
 				let month = moment(month_input, "MMMM, YYYY");
-				let firstOfMonth = month.startOf('month').format('MM/DD/YYYY');
-				let lastOfMonth = month.endOf('month').format('MM/DD/YYYY');
+				let firstOfMonth = month.startOf('month').format(js_date_format);
+				let lastOfMonth = month.endOf('month').format(js_date_format);
 
 				start_date_jq.val(firstOfMonth);
 				end_date_jq.val(lastOfMonth);
@@ -86,11 +88,11 @@ <h1>Usage{% if billing_service %} and billing information{% endif %}
 
 			function set_dropdown_selected()
 			{
-			    if ('{{ start_date }}' && '{{ end_date }}')
+			    if ('{{ start_date|default_if_none:'' }}' && '{{ end_date|default_if_none:'' }}')
 			    {
-					let start = moment('{{ start_date|date:'m/d/Y' }}');
-					let end = moment('{{ end_date|date:'m/d/Y' }}');
-					if (start.month() === end.month() && start.year() === end.year() && start.format('MM/DD/YYYY') === start.startOf('month').format('MM/DD/YYYY') && end.format('MM/DD/YYYY') === end.endOf('month').format('MM/DD/YYYY'))
+					let start = moment('{{ start_date.date|input_date_format }}', js_date_format);
+					let end = moment('{{ end_date.date|input_date_format }}', js_date_format);
+					if (start.month() === end.month() && start.year() === end.year() && start.day() === start.startOf('month').day() && end.day() === end.endOf('month').day())
 					{
 					    let month = start.format("MMMM, YYYY");
 						$('#month_list').val(month)
diff --git a/NEMO/templates/users/create_or_modify_user.html b/NEMO/templates/users/create_or_modify_user.html
index d1764f78..edd7a008 100644
--- a/NEMO/templates/users/create_or_modify_user.html
+++ b/NEMO/templates/users/create_or_modify_user.html
@@ -104,10 +104,10 @@ <h1>{% if form.instance.id %}Modify user{% else %}New user{% endif %}</h1>
 		<div class="form-group">
 			<label class="control-label col-sm-2" for="access_expiration">Access expiration</label>
 			<div class="col-sm-2">
-				<input id="access_expiration" name="access_expiration" type="text" autocomplete="off" class="form-control" value="{{ form.access_expiration.value|to_date:'m/d/Y' }}">
+				<input id="access_expiration" name="access_expiration" type="text" autocomplete="off" class="form-control" value="{{ form.access_expiration.value|input_date_format }}">
 			</div>
 			<div class="control-label col-sm-2" style="text-align:left">
-				<a href="javascript:void(0)" onclick="$('#access_expiration').val('{{ one_year_from_now|date:'m/d/Y' }}')">One year from now</a>
+				<a href="javascript:void(0)" onclick="$('#access_expiration').val('{{ one_year_from_now|input_date_format }}')">One year from now</a>
 			</div>
 			{% if form.access_expiration.errors %}
 				<div class="col-sm-6 form-control-static danger-highlight">
@@ -335,7 +335,7 @@ <h1>{% if form.instance.id %}Modify user{% else %}New user{% endif %}</h1>
 		function on_load()
 		{
 			$('[data-toggle="tooltip"]').tooltip();
-			$("#access_expiration").datetimepicker({format: 'MM/DD/YYYY'});
+			$("#access_expiration").datetimepicker({format: '{{ date_input_js_format }}'});
 			$('#add_a_project').autocomplete('projects', on_search_selection, {% json_search_base_with_extra_fields projects 'application_identifier' %});
 			$('#add_a_tool_qualification').autocomplete('tools', on_search_selection, {{ tools|json_search_base }});
 			{% if form.instance.id %} {# Only look for projects and qualifications if this is an existing user (and not a new user). #}
diff --git a/NEMO/templates/users/preferences.html b/NEMO/templates/users/preferences.html
index ac836891..146ab14a 100644
--- a/NEMO/templates/users/preferences.html
+++ b/NEMO/templates/users/preferences.html
@@ -7,7 +7,7 @@ <h1>User Preferences</h1>
 			{% csrf_token %}
 			<div class="panel panel-default">
 				<div class="panel-body">
-					<h3 id="email_addresses">Reservations</h3>
+					<h3>Reservations</h3>
 					<div class="form-group col-sm-12">
 						<div class="checkbox">
 							<label><input name="attach_created_reservation" type="checkbox" {% if user_preferences.attach_created_reservation %}checked{% endif %}>Check this box to receive ICS calendar invitation when creating reservation</label>
@@ -20,7 +20,7 @@ <h3 id="email_addresses">Reservations</h3>
 			</div>
 			<div class="panel panel-default">
 				<div class="panel-body">
-					<h3 id="email_addresses">Buddy System</h3>
+					<h3>Buddy System</h3>
 					<div class="form-group col-sm-12">
 						<div class="checkbox">
 							<label><input name="display_new_buddy_request_notification" type="checkbox" {% if user_preferences.display_new_buddy_request_notification %}checked{% endif %}>Check this box to see notification badges for new buddy requests</label>
@@ -37,7 +37,7 @@ <h3 id="email_addresses">Buddy System</h3>
             {% if show_staff_status and user_view != 'day' %}
                 <div class="panel panel-default">
                     <div class="panel-body">
-                        <h3 id="email_addresses">Staff status</h3>
+                        <h3>Staff status</h3>
                         <div class="form-group">
                             <label class="col-sm-2 form-control-static" for="staff_status_view">Default view</label>
                             <div class="col-sm-10">
@@ -52,20 +52,53 @@ <h3 id="email_addresses">Staff status</h3>
                                       <input type="radio" name="staff_status_view" value="month" {% if user_preferences.staff_status_view == 'month' %}checked{% endif %}> Month
                                     </label>
                                 {% endif %}
-{#                                <div style="display: inline-flex">#}
-{#                                    <div class="btn-group" role="group" style="display: inline-flex">#}
-{#                                        <input id="staff_status_view" type="button" name="staff_status_view" class="btn btn-default {% if user_preferences.staff_status_view == 'day' %}active{% endif %}" {% if user_preferences.staff_status_view == 'day' %}aria-pressed="true"{% endif %} value="Day"/>#}
-{#                                        <input type="button" name="staff_status_view" class="btn btn-default {% if not user_preferences.staff_status_view or user_preferences.staff_status_view == 'week' %}active{% endif %}" {% if not user_preferences.staff_status_view or user_preferences.staff_status_view == 'week' %}aria-pressed="true"{% endif %} value="Week"/>#}
-{#                                        {% if not user_view %}#}
-{#                                            <input type="button" name="staff_status_view" class="btn btn-default {% if user_preferences.staff_status_view == 'month' %}active{% endif %}" {% if user_preferences.staff_status_view == 'month' %}aria-pressed="true"{% endif %} value="Month"/>#}
-{#                                        {% endif %}#}
-{#                                    </div>#}
-{#                                </div>#}
                             </div>
                         </div>
                     </div>
                 </div>
             {% endif %}
+            <div class="panel panel-default">
+				<div class="panel-body">
+					<h3>Alternate email</h3>
+                    <div class="form-group">
+                        <label class="col-sm-2 form-control-static" for="alternate_email_address">Alternate email address</label>
+                        <div class="col-sm-4">
+                            <input type="email" class="form-control" id="alternate_email_address" name="email_alternate" value="{{ form.email_alternate.value|default_if_none:'' }}" maxlength="254">
+                        </div>
+                        {% if form.email_alternate.errors %}
+                            <div class="col-sm-6 form-control-static danger-highlight">
+                                {{ form.email_alternate.errors|striptags }}
+                            </div>
+			            {% endif %}
+                    </div>
+					<div class="form-group col-sm-12">
+						<div class="checkbox">
+							<label><input name="email_send_reservation_emails" type="checkbox" {% if user_preferences.email_send_reservation_emails %}checked{% endif %}>{{ form.email_send_reservation_emails.help_text }}</label>
+						</div>
+						<div class="checkbox">
+							<label><input name="email_send_usage_reminders" type="checkbox" {% if user_preferences.email_send_usage_reminders %}checked{% endif %}>{{ form.email_send_usage_reminders.help_text }}</label>
+						</div>
+						<div class="checkbox">
+							<label><input name="email_send_reservation_reminders" type="checkbox" {% if user_preferences.email_send_reservation_reminders %}checked{% endif %}>{{ form.email_send_reservation_reminders.help_text }}</label>
+						</div>
+						<div class="checkbox">
+							<label><input name="email_send_reservation_ending_reminders" type="checkbox" {% if user_preferences.email_send_reservation_ending_reminders %}checked{% endif %}>{{ form.email_send_reservation_ending_reminders.help_text }}</label>
+						</div>
+						<div class="checkbox">
+							<label><input name="email_send_buddy_request_replies" type="checkbox" {% if user_preferences.email_send_buddy_request_replies %}checked{% endif %}>{{ form.email_send_buddy_request_replies.help_text }}</label>
+						</div>
+						<div class="checkbox">
+							<label><input name="email_send_access_request_updates" type="checkbox" {% if user_preferences.email_send_access_request_updates %}checked{% endif %}>{{ form.email_send_access_request_updates.help_text }}</label>
+						</div>
+						<div class="checkbox">
+							<label><input name="email_send_task_updates" type="checkbox" {% if user_preferences.email_send_task_updates %}checked{% endif %}>{{ form.email_send_task_updates.help_text }}</label>
+						</div>
+						<div class="checkbox">
+							<label><input name="email_send_broadcast_emails" type="checkbox" {% if user_preferences.email_send_broadcast_emails %}checked{% endif %}>{{ form.email_send_broadcast_emails.help_text }}</label>
+						</div>
+					</div>
+				</div>
+			</div>
 			<input type="submit" value="Update" class="btn btn-info">
 		</form>
 
diff --git a/NEMO/templatetags/custom_tags_and_filters.py b/NEMO/templatetags/custom_tags_and_filters.py
index a09e4e15..36295f88 100644
--- a/NEMO/templatetags/custom_tags_and_filters.py
+++ b/NEMO/templatetags/custom_tags_and_filters.py
@@ -6,11 +6,12 @@
 from django.template.defaultfilters import date, time
 from django.urls import NoReverseMatch, reverse
 from django.utils import timezone
+from django.utils.formats import localize_input
 from django.utils.html import escape, format_html
 from django.utils.safestring import mark_safe
 from pkg_resources import DistributionNotFound, get_distribution
 
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import ApplicationCustomization
 
 register = template.Library()
 
@@ -26,15 +27,15 @@ def is_soon(time):
 	return time <= timezone.now() + timedelta(minutes=10)
 
 
-@register.filter()
+@register.filter
 def to_int(value):
 	return int(value)
 
 
-@register.filter()
+@register.filter
 def to_date(value, arg=None):
-	if value in (None, ''):
-		return ''
+	if value in (None, ""):
+		return ""
 	if isinstance(value, datetime.date):
 		return date(value, arg)
 	if isinstance(value, datetime.time):
@@ -42,8 +43,16 @@ def to_date(value, arg=None):
 	return value
 
 
+# Function to format input date using python strftime and the date/time input formats from settings
+@register.filter
+def input_date_format(value, arg=None):
+	if value in (None, ""):
+		return ""
+	return localize_input(value, arg)
+
+
 @register.filter
-def json_search_base(items_to_search, display = "__str__"):
+def json_search_base(items_to_search, display="__str__"):
 	result = "["
 	for item in items_to_search:
 		attr = getattr(item, display, None)
@@ -85,15 +94,15 @@ def navigation_url(url_name, description):
 def res_question_tbody(dictionary):
 	input_dict = dictionary[list(dictionary.keys())[0]]
 	headers = list(input_dict.keys())
-	header_cells = ''.join([format_html('<th>{}</th>', h) for h in headers])
-	head_html = format_html('<thead><tr><th>#</th>{}</tr></thead>', mark_safe(header_cells))
+	header_cells = "".join([format_html("<th>{}</th>", h) for h in headers])
+	head_html = format_html("<thead><tr><th>#</th>{}</tr></thead>", mark_safe(header_cells))
 
 	rows = []
 	for i, (index, d) in enumerate(dictionary.items()):
-		data_cells_html = ''.join([format_html("<td>{}</td>", d[h]) for h in headers])
-		row_html = format_html('<tr><th>{}</th>{}</tr>', i + 1, mark_safe(data_cells_html))
+		data_cells_html = "".join([format_html("<td>{}</td>", d[h]) for h in headers])
+		row_html = format_html("<tr><th>{}</th>{}</tr>", i + 1, mark_safe(data_cells_html))
 		rows.append(row_html)
-	body_html = format_html('<tbody>{}</tbody>', mark_safe(''.join(rows)))
+	body_html = format_html("<tbody>{}</tbody>", mark_safe("".join(rows)))
 	return head_html + body_html
 
 
@@ -104,10 +113,10 @@ def get_item(dictionary, key):
 
 @register.simple_tag
 def project_selection_display(project):
-	project_selection_template = get_customization('project_selection_template')
+	project_selection_template = ApplicationCustomization.get("project_selection_template")
 	contents = "{{ project.name }}"
 	try:
-		contents = Template(project_selection_template).render(Context({'project': project}))
+		contents = Template(project_selection_template).render(Context({"project": project}))
 	except:
 		pass
 	return format_html(contents)
@@ -116,7 +125,7 @@ def project_selection_display(project):
 dist_version: str = "0"
 
 
-@register.simple_tag()
+@register.simple_tag
 def app_version() -> str:
 	global dist_version
 	if dist_version != "0":
diff --git a/NEMO/tests/test_closures.py b/NEMO/tests/test_closures.py
index 73c220c6..3175adb2 100644
--- a/NEMO/tests/test_closures.py
+++ b/NEMO/tests/test_closures.py
@@ -1,9 +1,9 @@
 from datetime import timedelta
 
-from django.core.exceptions import ValidationError
 from django.test import TestCase
 from django.utils import timezone
 
+from NEMO.admin import ClosureAdminForm
 from NEMO.models import Alert, Closure, ClosureTime, Customization, EmailLog, User
 from NEMO.utilities import EmailCategory
 from NEMO.views.calendar import do_create_closure_alerts
@@ -19,9 +19,9 @@ def setUp(self):
 
 	def testAlertNoTemplate(self):
 		# Try creating an alert with days_before set but no alert template (should fail)
-		with self.assertRaises(ValidationError) as cm:
-			Closure(name="Closure fail", alert_days_before=0).full_clean()
-		self.assertIn("alert_template", cm.exception.error_dict)
+		closure_admin = ClosureAdminForm({"name": "Closure fail", "alert_days_before": 1})
+		self.assertFalse(closure_admin.is_valid())
+		self.assertIn("alert_template", closure_admin.errors)
 
 	def testClosureNoAlerts(self):
 		# Create closure with no alert days before
diff --git a/NEMO/tests/test_sensors.py b/NEMO/tests/test_sensors.py
new file mode 100644
index 00000000..638c6a4a
--- /dev/null
+++ b/NEMO/tests/test_sensors.py
@@ -0,0 +1,82 @@
+from unittest import TestCase
+
+from NEMO.apps.sensors.evaluators import (
+	evaluate_boolean_expression,
+	evaluate_expression,
+	evaluate_modbus_expression,
+	modbus_functions,
+)
+
+
+class TestAstEval(TestCase):
+	def test_basic_evaluation(self):
+		variables = {"te": 5, "my_list": [1, 5, 10]}
+		res_1 = evaluate_expression("5*2", **variables)
+		self.assertEqual(10, res_1)
+		res_2 = evaluate_expression("te*2", **variables)
+		self.assertEqual(10, res_2)
+		res_3 = evaluate_expression("my_list[1]*2", **variables)
+		self.assertEqual(10, res_3)
+		res_4 = evaluate_expression("my_list[0:2]", **variables)
+		self.assertEqual([1, 5], res_4)
+		res_5 = evaluate_expression("5*val", val=20)
+		self.assertEqual(100, res_5)
+		res_6 = evaluate_expression("5*val+val2", val=20, val2=1)
+		self.assertEqual(101, res_6)
+		res_7 = evaluate_expression("sum(my_list)", **variables)
+		self.assertEqual(16, res_7)
+		self.assertEqual(7, evaluate_expression("5+1*2"))
+		self.assertEqual(7, evaluate_expression("5*1+2"))
+		self.assertEqual(5, evaluate_expression("round(5.2)"))
+		self.assertEqual(5.2, evaluate_expression("round(5.21, 1)"))
+		self.assertEqual(6, evaluate_expression("round(5.5)"))
+		self.assertEqual(6, evaluate_expression("ceil(5.2)"))
+		self.assertEqual(5, evaluate_expression("floor(5.7)"))
+		self.assertEqual(5, evaluate_expression("abs(-5)"))
+		self.assertEqual(12, evaluate_expression("trunc(12.123)"))
+		self.assertEqual(2, evaluate_expression("sqrt(4)"))
+
+	def test_modbus_evaluation(self):
+		# Test all modbus functions
+		variables_1 = {"my_list": [100]}
+		variables_2 = {"my_list": [100, 500]}
+		variables_4 = {"my_list": [100, 500, 1000, 2000]}
+		for function_name in modbus_functions:
+			evaluate_modbus_expression(f"decode_string(my_list)", **variables_1)
+			if "8" in function_name:
+				evaluate_modbus_expression(f"{function_name}(my_list)", **variables_1)
+			if "16" in function_name:
+				evaluate_modbus_expression(f"{function_name}(my_list)", **variables_1)
+			if "32" in function_name:
+				evaluate_modbus_expression(f"{function_name}(my_list)", **variables_2)
+			elif "64" in function_name:
+				evaluate_modbus_expression(f"{function_name}(my_list)", **variables_4)
+		evaluate_modbus_expression(f"round(decode_8bit_int(my_list))", **variables_1)
+
+	def test_boolean_evaluation(self):
+		self.assertFalse(evaluate_boolean_expression("False"))
+		self.assertFalse(evaluate_boolean_expression("10 < 5"))
+		self.assertFalse(evaluate_boolean_expression("5 > 10"))
+		self.assertFalse(evaluate_boolean_expression("5 == 10"))
+		self.assertFalse(evaluate_boolean_expression("5 * 1000 + 1 == 5002"))
+		self.assertFalse(evaluate_boolean_expression("5 != 5"))
+		self.assertFalse(evaluate_boolean_expression("5 > 10 > 1"))
+		self.assertFalse(evaluate_boolean_expression("5 > 10 and 10 > 1"))
+		self.assertFalse(evaluate_boolean_expression("True and False"))
+		self.assertFalse(evaluate_boolean_expression("not True"))
+		self.assertFalse(evaluate_boolean_expression("0"))
+		self.assertTrue(evaluate_boolean_expression("5 > 3 > 1"))
+		self.assertTrue(evaluate_boolean_expression("5 > 3 and 3 > 1"))
+		self.assertTrue(evaluate_boolean_expression("True or False"))
+		self.assertTrue(evaluate_boolean_expression("not False"))
+		self.assertTrue(evaluate_boolean_expression("1"))
+		self.assertTrue(evaluate_boolean_expression("True and True or False"))
+		self.assertTrue(evaluate_boolean_expression("False or True or False"))
+		self.assertTrue(evaluate_boolean_expression("True and True and True and True or False"))
+		self.assertTrue(evaluate_boolean_expression("True or True and False"))
+		self.assertTrue(evaluate_boolean_expression("False and True or True"))
+		self.assertTrue(evaluate_boolean_expression("value > 56 and value < 76", value=60))
+		self.assertFalse(evaluate_boolean_expression("False or True and False"))
+		self.assertFalse(evaluate_boolean_expression("True and True and True and False"))
+		self.assertFalse(evaluate_boolean_expression("value > 56 and value < 76", value=100))
+		self.assertFalse(evaluate_boolean_expression("value > abs(-110)", value=100))
diff --git a/NEMO/tests/test_settings.py b/NEMO/tests/test_settings.py
index 845315f6..028f0ddd 100644
--- a/NEMO/tests/test_settings.py
+++ b/NEMO/tests/test_settings.py
@@ -30,6 +30,7 @@
 	'NEMO',
 	'NEMO.apps.kiosk',
 	'NEMO.apps.area_access',
+	'NEMO.apps.sensors',
 	'rest_framework',
 	'django_filters',
 	'mptt',
@@ -60,6 +61,7 @@
 				'django.template.context_processors.debug',
 				'django.template.context_processors.media',
 				'django.template.context_processors.static',
+				'django.template.context_processors.request',
 				'django.template.context_processors.tz',
 				'django.contrib.messages.context_processors.messages',
 			],
diff --git a/NEMO/urls.py b/NEMO/urls.py
index 44302878..a74bafe1 100644
--- a/NEMO/urls.py
+++ b/NEMO/urls.py
@@ -289,7 +289,7 @@
 	url(r'^news/publish/(?P<story_id>\d+)/$', news.publish, name='publish_news_update'),
 
 	# Media
-	url(r'^media/(?P<path>.*)$', serve, {'document_root': settings.MEDIA_ROOT}, name='media'),
+	url(r'^media/(?P<path>.*)$', login_required(serve), {'document_root': settings.MEDIA_ROOT}, name='media'),
 
 	# User Preferences
 	url(r'^user_preferences/$', users.user_preferences, name='user_preferences'),
@@ -346,8 +346,10 @@
 		url(r'^validate_usage_event/(?P<usage_event_id>\d+)/$', remote_work.validate_usage_event, name='validate_usage_event'),
 
 		# Site customization:
-		url(r'^customization/$', customization.customization, name='customization'),
-		url(r'^customize/(?P<element>.+)/$', customization.customize, name='customize'),
+		path("customization/", customization.customization, name='customization'),
+		path("customization/<str:key>/", customization.customization, name='customization'),
+		path("customize/<str:key>/", customization.customize, name='customize'),
+		path("customize/<str:key>/<str:element>/", customization.customize, name='customize'),
 
 		# Project Usage:
 		url(r'^project_usage/$', usage.project_usage, name='project_usage'),
diff --git a/NEMO/utilities.py b/NEMO/utilities.py
index dfccac49..f6663a24 100644
--- a/NEMO/utilities.py
+++ b/NEMO/utilities.py
@@ -1,14 +1,13 @@
 import csv
 import os
 from calendar import monthrange
-from datetime import date, datetime, time, timedelta
+from datetime import date, datetime, time
 from email import encoders
 from email.mime.base import MIMEBase
 from io import BytesIO
-from typing import Dict, List, Optional, Set, Tuple, Union
+from typing import Dict, List, Set, Tuple, Union
 
 from PIL import Image
-from dateutil import parser
 from dateutil.parser import parse
 from dateutil.rrule import MONTHLY, rrule
 from django.conf import settings
@@ -18,9 +17,52 @@
 from django.db.models import QuerySet
 from django.http import HttpResponse
 from django.utils import timezone
-from django.utils.formats import date_format, time_format
+from django.utils.formats import date_format, get_format, time_format
 from django.utils.timezone import is_naive, localtime
 
+# List of python to js formats
+py_to_js_date_formats = {
+	"%A": "dddd",
+	"%a": "ddd",
+	"%B": "MMMM",
+	"%b": "MMM",
+	"%c": "ddd MMM DD HH:mm:ss YYYY",
+	"%d": "DD",
+	"%f": "SSS",
+	"%H": "HH",
+	"%I": "hh",
+	"%j": "DDDD",
+	"%M": "mm",
+	"%m": "MM",
+	"%p": "A",
+	"%S": "ss",
+	"%U": "ww",
+	"%W": "ww",
+	"%w": "d",
+	"%X": "HH:mm:ss",
+	"%x": "MM/DD/YYYY",
+	"%Y": "YYYY",
+	"%y": "YY",
+	"%Z": "z",
+	"%z": "ZZ",
+	"%%": "%",
+}
+
+
+# Convert a python format string to javascript format string
+def convert_py_format_to_js(string_format: str) -> str:
+	for py, js in py_to_js_date_formats.items():
+		string_format = js.join(string_format.split(py))
+	return string_format
+
+
+time_input_format = get_format("TIME_INPUT_FORMATS")[0]
+date_input_format = get_format("DATE_INPUT_FORMATS")[0]
+datetime_input_format = get_format("DATETIME_INPUT_FORMATS")[0]
+time_input_js_format = convert_py_format_to_js(time_input_format)
+date_input_js_format = convert_py_format_to_js(date_input_format)
+datetime_input_js_format = convert_py_format_to_js(datetime_input_format)
+
 
 class BasicDisplayTable(object):
 	""" Utility table to make adding headers and rows easier, and export to csv """
@@ -79,6 +121,7 @@ class EmailCategory(object):
 	SAFETY = 7
 	TASKS = 8
 	ACCESS_REQUESTS = 9
+	SENSORS = 10
 	Choices = (
 		(GENERAL, "General"),
 		(SYSTEM, "System"),
@@ -90,16 +133,10 @@ class EmailCategory(object):
 		(SAFETY, "Safety"),
 		(TASKS, "Tasks"),
 		(ACCESS_REQUESTS, "Access Requests"),
+		(SENSORS, "Sensors"),
 	)
 
 
-def parse_start_and_end_date(start, end):
-	start = timezone.make_aware(parser.parse(start), timezone.get_current_timezone())
-	end = timezone.make_aware(parser.parse(end), timezone.get_current_timezone())
-	end += timedelta(days=1, seconds=-1)  # Set the end date to be midnight by adding a day.
-	return start, end
-
-
 def quiet_int(value_to_convert, default_upon_failure=0):
 	"""
 	Attempt to convert the given value to an integer. If there is any problem
@@ -154,10 +191,28 @@ def get_month_timeframe(date=None):
 	return first_of_the_month, last_of_the_month
 
 
-def extract_times(parameters, input_timezone=None, start_required=True, end_required=True) -> Tuple[datetime, datetime]:
+def extract_optional_beginning_and_end_dates(parameters, date_only=False, time_only=False):
+	"""
+	Extract the "start" and "end" parameters from an HTTP request
+	The dates/times are expected in the input formats set in settings.py and assumed in the server's timezone
+	"""
+	new_parameters = {}
+	start = parameters.get("start")
+	end = parameters.get("end")
+	selected_format = date_input_format if date_only else time_input_format if time_only else datetime_input_format
+	new_parameters["start"] = datetime.strptime(start, selected_format).timestamp() if start else None
+	new_parameters["end"] = datetime.strptime(end, selected_format).timestamp() if end else None
+	return extract_optional_beginning_and_end_times(new_parameters)
+
+
+def extract_optional_beginning_and_end_times(parameters):
+	return extract_times(parameters, start_required=False, end_required=False, beginning_and_end=True)
+
+
+def extract_times(parameters, start_required=True, end_required=True, beginning_and_end=False) -> Tuple[datetime, datetime]:
 	"""
 	Extract the "start" and "end" parameters from an HTTP request while performing a few logic validation checks.
-	The function assumes the UNIX timestamp is in the local timezone. Use input_timezone to specify the timezone.
+	The function assumes the UNIX timestamp is in the server's timezone.
 	"""
 	start, end, new_start, new_end = None, None, None, None
 	try:
@@ -175,7 +230,9 @@ def extract_times(parameters, input_timezone=None, start_required=True, end_requ
 	try:
 		new_start = float(start)
 		new_start = datetime.utcfromtimestamp(new_start)
-		new_start = localize(new_start, input_timezone)
+		new_start = localize(new_start)
+		if beginning_and_end:
+			new_start = beginning_of_the_day(new_start)
 	except:
 		if start or start_required:
 			raise Exception("The request parameters did not have a valid start time.")
@@ -183,7 +240,9 @@ def extract_times(parameters, input_timezone=None, start_required=True, end_requ
 	try:
 		new_end = float(end)
 		new_end = datetime.utcfromtimestamp(new_end)
-		new_end = localize(new_end, input_timezone)
+		new_end = localize(new_end)
+		if beginning_and_end:
+			new_end = end_of_the_day(new_end)
 	except:
 		if end or end_required:
 			raise Exception("The request parameters did not have a valid end time.")
@@ -194,40 +253,6 @@ def extract_times(parameters, input_timezone=None, start_required=True, end_requ
 	return new_start, new_end
 
 
-def extract_date(date):
-	return localize(datetime.strptime(date, "%Y-%m-%d"))
-
-
-def extract_dates(parameters):
-	"""
-	Extract the "start" and "end" parameters from an HTTP request while performing a few logic validation checks.
-	"""
-	try:
-		start = parameters["start"]
-	except:
-		raise Exception("The request parameters did not contain a start time.")
-
-	try:
-		end = parameters["end"]
-	except:
-		raise Exception("The request parameters did not contain an end time.")
-
-	try:
-		start = extract_date(start)
-	except:
-		raise Exception("The request parameters did not have a valid start time.")
-
-	try:
-		end = extract_date(end)
-	except:
-		raise Exception("The request parameters did not have a valid end time.")
-
-	if end < start:
-		raise Exception("The request parameters have an end time that precedes the start time.")
-
-	return start, end
-
-
 def format_daterange(start_time, end_time, dt_format="DATETIME_FORMAT", d_format="DATE_FORMAT", t_format="TIME_FORMAT", date_separator=" from ", time_separator=" to ") -> str:
 	# This method returns a formatted date range, using the date only once if it is on the same day
 	if isinstance(start_time, time):
@@ -244,9 +269,9 @@ def format_daterange(start_time, end_time, dt_format="DATETIME_FORMAT", d_format
 def format_datetime(universal_time=None, df=None, as_current_timezone=True, use_l10n=None) -> str:
 	this_time = universal_time if universal_time else timezone.now() if as_current_timezone else datetime.now()
 	local_time = as_timezone(this_time) if as_current_timezone else this_time
-	if isinstance(universal_time, time):
+	if isinstance(local_time, time):
 		return time_format(local_time, df or "TIME_FORMAT", use_l10n)
-	elif isinstance(universal_time, datetime):
+	elif isinstance(local_time, datetime):
 		return date_format(local_time, df or "DATETIME_FORMAT", use_l10n)
 	return date_format(local_time, df or "DATE_FORMAT", use_l10n)
 
@@ -254,13 +279,19 @@ def format_datetime(universal_time=None, df=None, as_current_timezone=True, use_
 def export_format_datetime(date_time=None, d_format=True, t_format=True, underscore=True, as_current_timezone=True) -> str:
 	""" This function returns a formatted date/time for export files. Default returns date + time format, with underscores """
 	this_time = date_time if date_time else timezone.now() if as_current_timezone else datetime.now()
-	export_date_format = getattr(settings, 'EXPORT_DATE_FORMAT', 'm_d_Y').replace("-", "_")
-	export_time_format = getattr(settings, 'EXPORT_TIME_FORMAT', 'h_i_s').replace("-", "_")
+	export_date_format = getattr(settings, "EXPORT_DATE_FORMAT", "m_d_Y").replace("-", "_")
+	export_time_format = getattr(settings, "EXPORT_TIME_FORMAT", "h_i_s").replace("-", "_")
 	if not underscore:
 		export_date_format = export_date_format.replace("_", "-")
 		export_time_format = export_time_format.replace("_", "-")
 	separator = "-" if underscore else "_"
-	datetime_format = export_date_format if d_format and not t_format else export_time_format if not d_format and t_format else export_date_format + separator + export_time_format
+	datetime_format = (
+		export_date_format
+		if d_format and not t_format
+		else export_time_format
+		if not d_format and t_format
+		else export_date_format + separator + export_time_format
+	)
 	return format_datetime(this_time, datetime_format, as_current_timezone)
 
 
@@ -283,8 +314,8 @@ def naive_local_current_datetime():
 
 def beginning_of_the_day(t: datetime, in_local_timezone=True) -> datetime:
 	""" Returns the BEGINNING of today's day (12:00:00.000000 AM of the current day) in LOCAL time. """
-	midnight = t.replace(hour=0, minute=0, second=0, microsecond=0, tzinfo=None)
-	return localize(midnight) if in_local_timezone else midnight
+	zero = t.replace(hour=0, minute=0, second=0, microsecond=0, tzinfo=None)
+	return localize(zero) if in_local_timezone else zero
 
 
 def end_of_the_day(t: datetime, in_local_timezone=True) -> datetime:
@@ -293,22 +324,30 @@ def end_of_the_day(t: datetime, in_local_timezone=True) -> datetime:
 	return localize(midnight) if in_local_timezone else midnight
 
 
-def remove_duplicates(iterable: Union[List, Set, Tuple]) -> Optional[List]:
+def remove_duplicates(iterable: Union[List, Set, Tuple]) -> List:
 	if not iterable:
-		return None
+		return []
 	if isinstance(iterable, str):
-		raise TypeError('argument must be a list, set or tuple')
+		raise TypeError("argument must be a list, set or tuple")
 	return list(set(iterable))
 
 
 def send_mail(subject, content, from_email, to=None, bcc=None, cc=None, attachments=None, email_category: EmailCategory = EmailCategory.GENERAL, fail_silently=True) -> int:
 	try:
-		clean_to = remove_duplicates(to)
-		clean_bcc = remove_duplicates(bcc)
-		clean_cc = remove_duplicates(cc)
+		clean_to = filter(None, remove_duplicates(to))
+		clean_bcc = filter(None, remove_duplicates(bcc))
+		clean_cc = filter(None, remove_duplicates(cc))
 	except TypeError:
-		raise TypeError('to, cc and bcc arguments must be a list, set or tuple')
-	mail = EmailMessage(subject=subject, body=content, from_email=from_email, to=clean_to, bcc=clean_bcc, cc=clean_cc, attachments=attachments)
+		raise TypeError("to, cc and bcc arguments must be a list, set or tuple")
+	mail = EmailMessage(
+		subject=subject,
+		body=content,
+		from_email=from_email,
+		to=clean_to,
+		bcc=clean_bcc,
+		cc=clean_cc,
+		attachments=attachments,
+	)
 	mail.content_subtype = "html"
 	msg_sent = 0
 	if mail.recipients():
@@ -327,7 +366,13 @@ def send_mail(subject, content, from_email, to=None, bcc=None, cc=None, attachme
 def create_email_log(email: EmailMessage, email_category: EmailCategory):
 	from NEMO.models import EmailLog
 
-	email_record: EmailLog = EmailLog.objects.create(category=email_category, sender=email.from_email, to=", ".join(email.recipients()), subject=email.subject, content=email.body)
+	email_record: EmailLog = EmailLog.objects.create(
+		category=email_category,
+		sender=email.from_email,
+		to=", ".join(email.recipients()),
+		subject=email.subject,
+		content=email.body,
+	)
 	if email.attachments:
 		email_attachments = []
 		for attachment in email.attachments:
diff --git a/NEMO/views/access_requests.py b/NEMO/views/access_requests.py
index 347b7f03..50b8102c 100644
--- a/NEMO/views/access_requests.py
+++ b/NEMO/views/access_requests.py
@@ -1,5 +1,6 @@
 from datetime import datetime, timedelta
 from logging import getLogger
+from typing import List
 
 from django.contrib.auth.decorators import login_required, permission_required
 from django.db.models import Q
@@ -21,7 +22,13 @@
 	quiet_int,
 	send_mail,
 )
-from NEMO.views.customization import get_customization, get_media_file_contents, set_customization
+from NEMO.views.customization import (
+	ApplicationCustomization,
+	CustomizationBase,
+	EmailsCustomization,
+	UserRequestsCustomization,
+	get_media_file_contents,
+)
 from NEMO.views.notifications import create_access_request_notification, delete_notification, get_notifications
 
 access_request_logger = getLogger(__name__)
@@ -33,7 +40,7 @@ def access_requests(request):
 	mark_requests_expired()
 	user: User = request.user
 	status = TemporaryPhysicalAccessRequest.Status
-	max_requests = quiet_int(get_customization("access_requests_display_max"), None)
+	max_requests = quiet_int(UserRequestsCustomization.get("access_requests_display_max"), None)
 	physical_access_requests = TemporaryPhysicalAccessRequest.objects.filter(deleted=False)
 	physical_access_requests = physical_access_requests.order_by("-end_time")
 	if not user.is_facility_manager and not user.is_staff:
@@ -45,7 +52,7 @@ def access_requests(request):
 		"approved_access_requests": physical_access_requests.filter(status=status.APPROVED)[:max_requests],
 		"denied_access_requests": physical_access_requests.filter(status=status.DENIED)[:max_requests],
 		"expired_access_requests": physical_access_requests.filter(status=status.EXPIRED)[:max_requests],
-		"access_requests_description": get_customization("access_requests_description"),
+		"access_requests_description": UserRequestsCustomization.get("access_requests_description"),
 		"access_request_notifications": get_notifications(
 			request.user, TemporaryPhysicalAccessRequest, delete=not user.is_facility_manager
 		),
@@ -160,16 +167,15 @@ def mark_requests_expired():
 
 
 def send_request_received_email(request, access_request: TemporaryPhysicalAccessRequest, edit):
-	user_office_email = get_customization("user_office_email_address")
+	user_office_email = EmailsCustomization.get("user_office_email_address")
 	access_request_notification_email = get_media_file_contents("access_request_notification_email.html")
 	if user_office_email and access_request_notification_email:
-		facility_manager_emails = User.objects.filter(is_active=True, is_facility_manager=True).values_list(
-			"email", flat=True
-		)
-		ccs = tuple(
-			[e for e in [*access_request.other_users.values_list("email", flat=True), *facility_manager_emails] if e]
-		)
-		ccs += (user_office_email,)
+		# cc facility managers
+		cc_users: List[User] = list(User.objects.filter(is_active=True, is_facility_manager=True))
+		# and other users
+		cc_users.extend(access_request.other_users.all())
+		ccs = [email for user in cc_users for email in user.get_emails(user.get_preferences().email_send_access_request_updates)]
+		ccs.append(user_office_email)
 		status = (
 			"approved"
 			if access_request.status == TemporaryPhysicalAccessRequest.Status.APPROVED
@@ -191,11 +197,12 @@ def send_request_received_email(request, access_request: TemporaryPhysicalAccess
 				}
 			)
 		)
+		send_to_alternate = access_request.creator.get_preferences().email_send_access_request_updates
 		send_mail(
 			subject=f"Your access request for the {access_request.physical_access_level.area} has been {status}",
 			content=message,
 			from_email=user_office_email,
-			to=[access_request.creator.email],
+			to=access_request.creator.get_emails(include_alternate=send_to_alternate),
 			cc=ccs,
 			email_category=EmailCategory.ACCESS_REQUESTS,
 		)
@@ -215,8 +222,8 @@ def send_email_weekend_access_notification():
 		If no weekend access requests are made by the given time on the cutoff day (if set), a no access email is sent.
 	"""
 	try:
-		user_office_email = get_customization("user_office_email_address")
-		email_to = get_customization("weekend_access_notification_emails")
+		user_office_email = EmailsCustomization.get("user_office_email_address")
+		email_to = UserRequestsCustomization.get("weekend_access_notification_emails")
 		access_contents = get_media_file_contents("weekend_access_email.html")
 		if user_office_email and email_to and access_contents:
 			process_weekend_access_notification(user_office_email, email_to, access_contents)
@@ -228,8 +235,8 @@ def send_email_weekend_access_notification():
 def process_weekend_access_notification(user_office_email, email_to, access_contents):
 	today = datetime.today()
 	beginning_of_the_week = beginning_of_the_day(today - timedelta(days=today.weekday()))
-	cutoff_day = get_customization("weekend_access_notification_cutoff_day")
-	cutoff_hour = get_customization("weekend_access_notification_cutoff_hour")
+	cutoff_day = UserRequestsCustomization.get("weekend_access_notification_cutoff_day")
+	cutoff_hour = UserRequestsCustomization.get("weekend_access_notification_cutoff_hour")
 	# Set the cutoff in actual datetime format
 	cutoff_datetime = None
 	if cutoff_hour.isdigit() and cutoff_day and cutoff_day.isdigit():
@@ -247,7 +254,7 @@ def process_weekend_access_notification(user_office_email, email_to, access_cont
 	approved_weekend_access_requests = approved_weekend_access_requests.exclude(end_time__lte=beginning_of_the_weekend)
 
 	cutoff_time_passed = cutoff_datetime and timezone.now() >= cutoff_datetime
-	last_sent = get_customization("weekend_access_notification_last_sent")
+	last_sent = CustomizationBase.get("weekend_access_notification_last_sent")
 	last_sent_datetime = parse_datetime(last_sent) if last_sent else None
 	if (
 			(not last_sent_datetime or last_sent_datetime < beginning_of_the_week)
@@ -256,7 +263,7 @@ def process_weekend_access_notification(user_office_email, email_to, access_cont
 			and not cutoff_time_passed
 	):
 		send_weekend_email_access(True, user_office_email, email_to, access_contents, beginning_of_the_week)
-		set_customization("weekend_access_notification_last_sent", str(timezone.now()))
+		CustomizationBase.set("weekend_access_notification_last_sent", str(timezone.now()))
 	if access_contents and cutoff_datetime and not approved_weekend_access_requests.exists():
 		is_cutoff = today.weekday() == int(cutoff_day) and cutoff_datetime.hour == timezone.localtime().hour
 		if is_cutoff:
@@ -264,11 +271,10 @@ def process_weekend_access_notification(user_office_email, email_to, access_cont
 
 
 def send_weekend_email_access(access, user_office_email, email_to, contents, beginning_of_the_week):
-	facility_name = get_customization("facility_name")
-	manager_emails = User.objects.filter(is_active=True, is_facility_manager=True).values_list("email", flat=True)
+	facility_name = ApplicationCustomization.get("facility_name")
 	recipients = tuple([e for e in email_to.split(",") if e])
-	ccs = tuple([e for e in manager_emails if e])
-	ccs += (user_office_email,)
+	ccs = [email for manager in User.objects.filter(is_active=True, is_facility_manager=True) for email in manager.get_emails(manager.get_preferences().email_send_access_request_updates)]
+	ccs.append(user_office_email)
 
 	sat = format_datetime(beginning_of_the_week + timedelta(days=5), "SHORT_DATE_FORMAT", as_current_timezone=False)
 	sun = format_datetime(beginning_of_the_week + timedelta(days=6), "SHORT_DATE_FORMAT", as_current_timezone=False)
diff --git a/NEMO/views/api.py b/NEMO/views/api.py
index 477eca07..753b3af0 100644
--- a/NEMO/views/api.py
+++ b/NEMO/views/api.py
@@ -299,10 +299,13 @@ def list(self, request, *args, **kwargs):
 		serializer = self.serializer_class(queryset, many=True)
 		return Response(serializer.data)
 
+	def check_permissions(self, request):
+		if not request or not request.user.has_perm('NEMO.use_billing_api'):
+			self.permission_denied(request)
+
 	def get_queryset(self):
 		billing_form = BillingFilterForm(self.request.GET)
 		billing_form.full_clean()
-
 		data: List[BillableItem] = []
 		data.extend(get_usage_events_for_billing(billing_form))
 		data.extend(get_area_access_for_billing(billing_form))
diff --git a/NEMO/views/area_access.py b/NEMO/views/area_access.py
index 906131f4..4821f261 100644
--- a/NEMO/views/area_access.py
+++ b/NEMO/views/area_access.py
@@ -27,9 +27,9 @@
 	UnavailableResourcesUserError,
 )
 from NEMO.models import Area, AreaAccessRecord, Project, User
-from NEMO.utilities import parse_start_and_end_date, quiet_int
+from NEMO.utilities import date_input_format, extract_optional_beginning_and_end_dates, quiet_int
 from NEMO.views.calendar import shorten_reservation
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import ApplicationCustomization
 from NEMO.views.policy import check_billing_to_project, check_policy_to_enter_any_area, check_policy_to_enter_this_area
 
 area_access_logger = getLogger(__name__)
@@ -62,19 +62,23 @@ def error(self, message):
 def area_access(request):
 	""" Presents a page that displays audit records for all areas. """
 	now = timezone.now().astimezone()
-	today = now.strftime('%m/%d/%Y')
-	yesterday = (now - timedelta(days=1)).strftime('%m/%d/%Y')
+	today = now.strftime(date_input_format)
+	yesterday = (now - timedelta(days=1)).strftime(date_input_format)
 	area_id = ''
 	dictionary = {
 		'today': reverse('area_access') + '?' + urlencode({'start': today, 'end': today}),
 		'yesterday': reverse('area_access') + '?' + urlencode({'start': yesterday, 'end': yesterday}),
 	}
 	try:
-		start, end = parse_start_and_end_date(request.GET['start'], request.GET['end'])
+		start, end = extract_optional_beginning_and_end_dates(request.GET, date_only=True)
 		area_id = request.GET.get('area')
 		dictionary['start'] = start
 		dictionary['end'] = end
-		area_access_records = AreaAccessRecord.objects.filter(start__gte=start, start__lt=end, staff_charge=None)
+		area_access_records = AreaAccessRecord.objects.filter(staff_charge=None)
+		if start:
+			area_access_records = area_access_records.filter(start__gte=start)
+		if end:
+			area_access_records = area_access_records.filter(start__lt=end)
 		if area_id:
 			area_id = int(area_id)
 			filter_areas = Area.objects.get(pk=area_id).get_descendants(include_self=True)
@@ -266,7 +270,7 @@ def self_log_in(request, load_areas=True):
 	if request.GET.get('area_id'):
 		dictionary['area_id'] = quiet_int(request.GET['area_id'])
 
-	facility_name = get_customization('facility_name')
+	facility_name = ApplicationCustomization.get('facility_name')
 	try:
 		check_policy_to_enter_any_area(user)
 	except InactiveUserError:
@@ -382,7 +386,7 @@ def log_out_user(user: User):
 
 def able_to_self_log_out_of_area(user):
 	# 'Self log out' must be enabled
-	if not get_customization('self_log_out') == 'enabled':
+	if not ApplicationCustomization.get('self_log_out') == 'enabled':
 		return False
 	# Check if the user is active
 	if not user.is_active:
@@ -396,7 +400,7 @@ def able_to_self_log_out_of_area(user):
 
 def able_to_self_log_in_to_area(user):
 	# 'Self log in' must be enabled
-	if not get_customization('self_log_in') == 'enabled':
+	if not ApplicationCustomization.get('self_log_in') == 'enabled':
 		return False
 	# Check if the user is already in an area. If so, the /change_project/ URL can be used to change their project.
 	if user.in_area():
diff --git a/NEMO/views/authentication.py b/NEMO/views/authentication.py
index df578bf9..1462bc9a 100644
--- a/NEMO/views/authentication.py
+++ b/NEMO/views/authentication.py
@@ -1,26 +1,26 @@
-from _ssl import PROTOCOL_TLSv1_2, CERT_REQUIRED
+from _ssl import CERT_REQUIRED, PROTOCOL_TLSv1_2
 from base64 import b64decode
 from logging import getLogger
 
 from django.conf import settings
-from django.contrib.auth import authenticate, login, REDIRECT_FIELD_NAME, get_backends
+from django.contrib.auth import REDIRECT_FIELD_NAME, authenticate, get_backends, login
 from django.contrib.auth.backends import ModelBackend
 from django.contrib.auth.middleware import RemoteUserMiddleware
-from django.http import HttpResponseRedirect, HttpResponse, HttpResponseForbidden
-from django.shortcuts import render, redirect
-from django.urls import reverse, resolve
+from django.http import HttpResponse, HttpResponseForbidden, HttpResponseRedirect
+from django.shortcuts import redirect, render
+from django.urls import resolve, reverse
 from django.utils.decorators import method_decorator
 from django.utils.module_loading import import_string
 from django.views.decorators.debug import sensitive_post_parameters
-from django.views.decorators.http import require_http_methods, require_GET
-from ldap3 import Tls, Server, Connection, SIMPLE, AUTO_BIND_NO_TLS, ANONYMOUS
+from django.views.decorators.http import require_GET, require_http_methods
+from ldap3 import ANONYMOUS, AUTO_BIND_NO_TLS, Connection, SIMPLE, Server, Tls
 from ldap3.core.exceptions import LDAPBindError, LDAPException
 
 from NEMO.exceptions import InactiveUserError
 from NEMO.middleware import (
 	HTTPHeaderAuthenticationMiddleware,
-	RemoteUserAuthenticationMiddleware,
 	ImpersonateMiddleware,
+	RemoteUserAuthenticationMiddleware,
 )
 from NEMO.models import User
 from NEMO.views.customization import get_media_file_contents
@@ -102,7 +102,7 @@ def base_64_decode_basic_auth(remote_user: str):
 
 
 class RemoteUserAuthenticationBackend(ModelBackend):
-	""" The web server performs authentication and passes the user name remotely. (header or env) """
+	""" The web server performs authentication and passes the username remotely. (header or env) """
 
 	def authenticate(self, request, remote_user):
 		if not remote_user:
@@ -117,24 +117,24 @@ def authenticate(self, request, remote_user):
 
 	def clean_username(self, username):
 		"""
-		User names arrive in the form user@DOMAIN.NAME.
+		Usernames arrive in the form user@DOMAIN.NAME.
 		This function chops off Kerberos realm information (i.e. the '@' and everything after).
 		"""
 		return username.partition("@")[0]
 
 
 class NginxKerberosAuthorizationHeaderAuthenticationBackend(RemoteUserAuthenticationBackend):
-	""" The web server performs Kerberos authentication and passes the user name in via the HTTP_AUTHORIZATION header. """
+	""" The web server performs Kerberos authentication and passes the username in via the HTTP_AUTHORIZATION header. """
 
 	def clean_username(self, username):
 		"""
-		User names arrive encoded in base 64, similar to Basic authentication, but with a bogus password set (since .
+		Usernames arrive encoded in base 64, similar to Basic authentication, but with a bogus password set (since .
 		This function chops off Kerberos realm information (i.e. the '@' and everything after).
 		"""
 		if not username:
 			return None
 		credentials = base_64_decode_basic_auth(username)
-		return credentials if credentials is None else credentials[0]
+		return credentials if credentials is None else super().clean_username(credentials[0])
 
 
 class LDAPAuthenticationBackend(ModelBackend):
diff --git a/NEMO/views/buddy_requests.py b/NEMO/views/buddy_requests.py
index b483e4f7..1d2de69e 100644
--- a/NEMO/views/buddy_requests.py
+++ b/NEMO/views/buddy_requests.py
@@ -17,7 +17,7 @@
 )
 from NEMO.forms import BuddyRequestForm
 from NEMO.models import Area, BuddyRequest, BuddyRequestMessage, User
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import UserRequestsCustomization
 from NEMO.views.notifications import (
 	create_buddy_reply_notification,
 	create_buddy_request_notification,
@@ -39,7 +39,7 @@ def buddy_requests(request):
 		buddy_request.user_reply_error = check_user_reply_error(buddy_request, request.user)
 	dictionary = {
 		"buddy_requests": buddy_requests,
-		"buddy_board_description": get_customization("buddy_board_description"),
+		"buddy_board_description": UserRequestsCustomization.get("buddy_board_description"),
 		"request_notifications": get_notifications(request.user, BuddyRequest),
 		"reply_notifications": get_notifications(request.user, BuddyRequestMessage),
 	}
@@ -132,7 +132,8 @@ def email_interested_parties(reply: BuddyRequestMessage, reply_url):
 {linebreaksbr(reply.content)}
 <br><br>
 Please visit {reply_url} to reply"""
-			user.email_user(subject=subject, content=message, from_email=settings.SERVER_EMAIL)
+			send_to_alternate = user.get_preferences().email_send_buddy_request_replies
+			user.email_user(subject=subject, message=message, from_email=settings.SERVER_EMAIL, send_to_alternate=send_to_alternate)
 
 
 def check_user_reply_error(buddy_request: BuddyRequest, user: User) -> Optional[str]:
diff --git a/NEMO/views/calendar.py b/NEMO/views/calendar.py
index 26f1f82b..d9c6809c 100644
--- a/NEMO/views/calendar.py
+++ b/NEMO/views/calendar.py
@@ -43,7 +43,7 @@
 	as_timezone,
 	bootstrap_primary_color,
 	create_email_attachment,
-	extract_dates,
+	date_input_format,
 	extract_times,
 	format_datetime,
 	localize,
@@ -51,7 +51,12 @@
 	send_mail,
 )
 from NEMO.views.constants import ADDITIONAL_INFORMATION_MAXIMUM_LENGTH
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.views.customization import (
+	ApplicationCustomization,
+	CalendarCustomization,
+	EmailsCustomization,
+	get_media_file_contents,
+)
 from NEMO.views.policy import (
 	check_billing_to_project,
 	check_policy_to_cancel_reservation,
@@ -96,23 +101,23 @@ def calendar(request, item_type=None, item_id=None):
 	areas = Area.objects.filter(requires_reservation=True).only('name')
 
 	# We want to remove areas the user doesn't have access to
-	display_all_areas = get_customization('calendar_display_not_qualified_areas') == 'enabled'
+	display_all_areas = CalendarCustomization.get('calendar_display_not_qualified_areas') == 'enabled'
 	if not display_all_areas and areas and user and not user.is_superuser:
 		areas = [area for area in areas if area in user.accessible_areas()]
 
 	from NEMO.widgets.item_tree import ItemTree
 	rendered_item_tree_html = ItemTree().render(None, {'tools': tools, 'areas':areas, 'user': request.user})
 
-	calendar_view = get_customization('calendar_view')
-	calendar_first_day_of_week = get_customization('calendar_first_day_of_week')
-	calendar_day_column_format = get_customization('calendar_day_column_format')
-	calendar_week_column_format = get_customization('calendar_week_column_format')
-	calendar_month_column_format = get_customization('calendar_month_column_format')
-	calendar_start_of_the_day = get_customization('calendar_start_of_the_day')
-	calendar_now_indicator = get_customization('calendar_now_indicator')
-	calendar_all_tools = get_customization('calendar_all_tools')
-	calendar_all_areas = get_customization('calendar_all_areas')
-	calendar_all_areastools = get_customization('calendar_all_areastools')
+	calendar_view = CalendarCustomization.get('calendar_view')
+	calendar_first_day_of_week = CalendarCustomization.get('calendar_first_day_of_week')
+	calendar_day_column_format = CalendarCustomization.get('calendar_day_column_format')
+	calendar_week_column_format = CalendarCustomization.get('calendar_week_column_format')
+	calendar_month_column_format = CalendarCustomization.get('calendar_month_column_format')
+	calendar_start_of_the_day = CalendarCustomization.get('calendar_start_of_the_day')
+	calendar_now_indicator = CalendarCustomization.get('calendar_now_indicator')
+	calendar_all_tools = CalendarCustomization.get('calendar_all_tools')
+	calendar_all_areas = CalendarCustomization.get('calendar_all_areas')
+	calendar_all_areastools = CalendarCustomization.get('calendar_all_areastools')
 
 	dictionary = {
 		'rendered_item_tree_html': rendered_item_tree_html,
@@ -133,9 +138,9 @@ def calendar(request, item_type=None, item_id=None):
 		'self_login': False,
 		'self_logout': False,
 	}
-	login_logout = get_customization('calendar_login_logout', raise_exception=False)
-	self_login = get_customization('self_log_in', raise_exception=False)
-	self_logout = get_customization('self_log_out', raise_exception=False)
+	login_logout = ApplicationCustomization.get('calendar_login_logout', raise_exception=False)
+	self_login = ApplicationCustomization.get('self_log_in', raise_exception=False)
+	self_logout = ApplicationCustomization.get('self_log_out', raise_exception=False)
 	if login_logout == 'enabled':
 		dictionary['self_login'] = self_login == 'enabled'
 		dictionary['self_logout'] = self_logout == 'enabled'
@@ -150,7 +155,7 @@ def calendar(request, item_type=None, item_id=None):
 def event_feed(request):
 	""" Get all reservations for a specific time-window. Optionally: filter by tool, area or user name. """
 	try:
-		start, end = extract_dates(request.GET)
+		start, end = extract_calendar_dates(request.GET)
 	except Exception as e:
 		return HttpResponseBadRequest('Invalid start or end time. ' + str(e))
 
@@ -162,7 +167,7 @@ def event_feed(request):
 
 	event_type = request.GET.get('event_type')
 
-	facility_name = get_customization('facility_name')
+	facility_name = ApplicationCustomization.get('facility_name')
 	if event_type == 'reservations':
 		return reservation_event_feed(request, start, end)
 	elif event_type == f"{facility_name.lower()} usage":
@@ -175,6 +180,37 @@ def event_feed(request):
 		return HttpResponseBadRequest('Invalid event type or operation not authorized.')
 
 
+def extract_calendar_dates(parameters):
+	"""
+	Extract the "start" and "end" parameters for FullCalendar's specific date format while performing a few logic validation checks.
+	"""
+	full_calendar_date_format = "%Y-%m-%d"
+	try:
+		start = parameters["start"]
+	except:
+		raise Exception("The request parameters did not contain a start time.")
+
+	try:
+		end = parameters["end"]
+	except:
+		raise Exception("The request parameters did not contain an end time.")
+
+	try:
+		start = localize(datetime.strptime(start, full_calendar_date_format))
+	except:
+		raise Exception("The request parameters did not have a valid start time.")
+
+	try:
+		end = localize(datetime.strptime(end, full_calendar_date_format))
+	except:
+		raise Exception("The request parameters did not have a valid end time.")
+
+	if end < start:
+		raise Exception("The request parameters have an end time that precedes the start time.")
+
+	return start, end
+
+
 def reservation_event_feed(request, start, end):
 	events = Reservation.objects.filter(cancelled=False, missed=False, shortened=False)
 	outages = ScheduledOutage.objects.none()
@@ -518,7 +554,7 @@ def create_outage(request):
 
 	# Make sure there is at least an outage title
 	if not request.POST.get('title'):
-		calendar_outage_recurrence_limit = get_customization("calendar_outage_recurrence_limit")
+		calendar_outage_recurrence_limit = CalendarCustomization.get("calendar_outage_recurrence_limit")
 		dictionary = {
 			'categories': ScheduledOutageCategory.objects.all(),
 			'recurrence_intervals': recurrence_frequency_display,
@@ -539,7 +575,7 @@ def create_outage(request):
 		submitted_date_until = request.POST.get('recurrence_until', None)
 		date_until = end.replace(hour=0, minute=0, second=0)
 		if submitted_date_until:
-			date_until = localize(datetime.strptime(submitted_date_until, '%m/%d/%Y'))
+			date_until = localize(datetime.strptime(submitted_date_until, date_input_format))
 		date_until += timedelta(days=1, seconds=-1) # set at the end of the day
 		by_week_day = None
 		if submitted_frequency == 'DAILY_WEEKDAYS':
@@ -777,8 +813,9 @@ def send_email_reservation_reminders():
 		else:
 			subject = item.name + " reservation warning"
 			rendered_message = Template(reservation_warning_message).render(Context({'reservation': reservation, 'template_color': bootstrap_primary_color('warning'), 'fatal_error': False}))
-		user_office_email = get_customization('user_office_email_address')
-		reservation.user.email_user(subject=subject, content=rendered_message, from_email=user_office_email, email_category=EmailCategory.TIMED_SERVICES)
+		user_office_email = EmailsCustomization.get('user_office_email_address')
+		send_to_alternate = reservation.user.get_preferences().email_send_reservation_reminders
+		reservation.user.email_user(subject=subject, message=rendered_message, from_email=user_office_email, email_category=EmailCategory.TIMED_SERVICES, send_to_alternate=send_to_alternate)
 	return HttpResponse()
 
 
@@ -792,7 +829,7 @@ def email_reservation_ending_reminders(request):
 def send_email_reservation_ending_reminders():
 	# Exit early if the reservation ending reminder email template has not been customized for the organization yet.
 	reservation_ending_reminder_message = get_media_file_contents('reservation_ending_reminder_email.html')
-	user_office_email = get_customization('user_office_email_address')
+	user_office_email = EmailsCustomization.get('user_office_email_address')
 	if not reservation_ending_reminder_message:
 		calendar_logger.error("Reservation ending reminder email couldn't be send because either reservation_ending_reminder_email.html is not defined")
 		return HttpResponseNotFound('The reservation ending reminder template has not been customized for your organization yet. Please visit the customization page to upload one, then reservation ending reminder email notifications can be sent.')
@@ -816,7 +853,8 @@ def send_email_reservation_ending_reminders():
 	for reservation in ending_reservations:
 		subject = reservation.reservation_item.name + " reservation ending soon"
 		rendered_message = Template(reservation_ending_reminder_message).render(Context({'reservation': reservation}))
-		reservation.user.email_user(subject=subject, content=rendered_message, from_email=user_office_email, email_category=EmailCategory.TIMED_SERVICES)
+		send_to_alternate = reservation.user.get_preferences().email_send_reservation_ending_reminders
+		reservation.user.email_user(subject=subject, message=rendered_message, from_email=user_office_email, email_category=EmailCategory.TIMED_SERVICES, send_to_alternate=send_to_alternate)
 	return HttpResponse()
 
 
@@ -839,32 +877,36 @@ def send_email_usage_reminders(projects_to_exclude=None):
 	# Just send one email for all the things!
 	aggregate = {}
 	for access_record in busy_users:
-		key = str(access_record.customer)
+		key = access_record.customer_id
 		aggregate[key] = {
+			'user': access_record.customer,
 			'email': access_record.customer.email,
 			'first_name': access_record.customer.first_name,
 			'resources_in_use': [access_record.area.name],
 		}
 	for usage_event in busy_tools:
-		key = str(usage_event.operator)
+		key = usage_event.operator_id
 		if key in aggregate:
 			aggregate[key]['resources_in_use'].append(usage_event.tool.name)
 		else:
 			aggregate[key] = {
+				'user': usage_event.operator,
 				'email': usage_event.operator.email,
 				'first_name': usage_event.operator.first_name,
 				'resources_in_use': [usage_event.tool.name],
 			}
 
-	user_office_email = get_customization('user_office_email_address')
+	user_office_email = EmailsCustomization.get('user_office_email_address')
 
 	message = get_media_file_contents('usage_reminder_email.html')
-	facility_name = get_customization('facility_name')
+	facility_name = ApplicationCustomization.get('facility_name')
 	if message:
 		subject = f"{facility_name} usage"
 		for user in aggregate.values():
 			rendered_message = Template(message).render(Context({'user': user}))
-			send_mail(subject=subject, content=rendered_message, from_email=user_office_email, to=[user['email']], email_category=EmailCategory.TIMED_SERVICES)
+			user_instance: User = user['user']
+			send_to_alternate = user_instance.get_preferences().email_send_usage_reminders
+			user_instance.email_user(subject=subject, message=rendered_message, from_email=user_office_email, email_category=EmailCategory.TIMED_SERVICES, send_to_alternate=send_to_alternate)
 
 	message = get_media_file_contents('staff_charge_reminder_email.html')
 	if message:
@@ -872,7 +914,8 @@ def send_email_usage_reminders(projects_to_exclude=None):
 		for staff_charge in busy_staff:
 			subject = "Active staff charge since " + format_datetime(staff_charge.start)
 			rendered_message = Template(message).render(Context({'staff_charge': staff_charge}))
-			staff_charge.staff_member.email_user(subject=subject, content=rendered_message, from_email=user_office_email, email_category=EmailCategory.TIMED_SERVICES)
+			send_to_alternate = staff_charge.staff_member.get_preferences().email_send_usage_reminders
+			staff_charge.staff_member.email_user(subject=subject, message=rendered_message, from_email=user_office_email, email_category=EmailCategory.TIMED_SERVICES, send_to_alternate=send_to_alternate)
 
 	return HttpResponse()
 
@@ -1081,7 +1124,7 @@ def cancel_the_reservation(reservation: Reservation, user_cancelling_reservation
 					'template_color': bootstrap_primary_color('info')
 				}
 				cancellation_email = Template(email_contents).render(Context(dictionary))
-				recipients = [reservation.user.email]
+				recipients = reservation.user.get_emails(reservation.user.get_preferences().email_send_reservation_emails)
 				if reservation.area:
 					recipients.extend(reservation.area.reservation_email_list())
 				if reservation.user.get_preferences().attach_cancelled_reservation:
@@ -1099,23 +1142,26 @@ def cancel_the_reservation(reservation: Reservation, user_cancelling_reservation
 
 def send_missed_reservation_notification(reservation):
 	message = get_media_file_contents('missed_reservation_email.html')
-	user_office_email = get_customization('user_office_email_address')
-	abuse_email = get_customization('abuse_email_address')
+	user_office_email = EmailsCustomization.get('user_office_email_address')
+	abuse_email = EmailsCustomization.get('abuse_email_address')
 	if message and user_office_email:
 		subject = "Missed reservation for the " + str(reservation.reservation_item)
 		message = Template(message).render(Context({'reservation': reservation}))
-		send_mail(subject=subject, content=message, from_email=user_office_email, to=[reservation.user.email, abuse_email, user_office_email], email_category=EmailCategory.TIMED_SERVICES)
+		recipients = reservation.user.get_emails(reservation.user.get_preferences().email_send_reservation_emails)
+		recipients.append(abuse_email)
+		recipients.append(user_office_email)
+		send_mail(subject=subject, content=message, from_email=user_office_email, to=recipients, email_category=EmailCategory.TIMED_SERVICES)
 	else:
 		calendar_logger.error("Missed reservation email couldn't be send because missed_reservation_email.html or user_office_email are not defined")
 
 
 def send_out_of_time_reservation_notification(reservation:Reservation):
 	message = get_media_file_contents('out_of_time_reservation_email.html')
-	user_office_email = get_customization('user_office_email_address')
+	user_office_email = EmailsCustomization.get('user_office_email_address')
 	if message and user_office_email:
 		subject = "Out of time in the " + str(reservation.area.name)
 		message = Template(message).render(Context({'reservation': reservation}))
-		recipients = [reservation.user.email]
+		recipients = reservation.user.get_emails(reservation.user.get_preferences().email_send_reservation_ending_reminders)
 		recipients.extend(reservation.area.abuse_email_list())
 		send_mail(subject=subject, content=message, from_email=user_office_email, to=recipients, email_category=EmailCategory.TIMED_SERVICES)
 	else:
@@ -1123,15 +1169,16 @@ def send_out_of_time_reservation_notification(reservation:Reservation):
 
 
 def send_user_created_reservation_notification(reservation: Reservation):
-	site_title = get_customization('site_title')
-	recipients = [reservation.user.email] if reservation.user.get_preferences().attach_created_reservation else []
+	site_title = ApplicationCustomization.get('site_title')
+	user = reservation.user
+	recipients = user.get_emails(user.get_preferences().email_send_reservation_emails) if user.get_preferences().attach_created_reservation else []
 	if reservation.area:
 		recipients.extend(reservation.area.reservation_email_list())
 	if recipients:
 		subject = f"[{site_title}] Reservation for the " + str(reservation.reservation_item)
 		message = get_media_file_contents('reservation_created_user_email.html')
 		message = Template(message).render(Context({'reservation': reservation}))
-		user_office_email = get_customization('user_office_email_address')
+		user_office_email = EmailsCustomization.get('user_office_email_address')
 		# We don't need to check for existence of reservation_created_user_email because we are attaching the ics reservation and sending the email regardless (message will be blank)
 		if user_office_email:
 			attachment = create_ics_for_reservation(reservation)
@@ -1141,15 +1188,16 @@ def send_user_created_reservation_notification(reservation: Reservation):
 
 
 def send_user_cancelled_reservation_notification(reservation: Reservation):
-	site_title = get_customization('site_title')
-	recipients = [reservation.user.email] if reservation.user.get_preferences().attach_cancelled_reservation else []
+	site_title = ApplicationCustomization.get('site_title')
+	user = reservation.user
+	recipients = user.get_emails(user.get_preferences().email_send_reservation_emails) if user.get_preferences().attach_cancelled_reservation else []
 	if reservation.area:
 		recipients.extend(reservation.area.reservation_email_list())
 	if recipients:
 		subject = f"[{site_title}] Cancelled Reservation for the " + str(reservation.reservation_item)
 		message = get_media_file_contents('reservation_cancelled_user_email.html')
 		message = Template(message).render(Context({'reservation': reservation}))
-		user_office_email = get_customization('user_office_email_address')
+		user_office_email = EmailsCustomization.get('user_office_email_address')
 		# We don't need to check for existence of reservation_cancelled_user_email because we are attaching the ics reservation and sending the email regardless (message will be blank)
 		if user_office_email:
 			attachment = create_ics_for_reservation(reservation, cancelled=True)
@@ -1159,7 +1207,7 @@ def send_user_cancelled_reservation_notification(reservation: Reservation):
 
 
 def create_ics_for_reservation(reservation: Reservation, cancelled=False):
-	site_title = get_customization('site_title')
+	site_title = ApplicationCustomization.get('site_title')
 	reservation_organizer_email = getattr(settings, "RESERVATION_ORGANIZER_EMAIL", "no_reply")
 	reservation_organizer = getattr(settings, "RESERVATION_ORGANIZER", site_title)
 	method_name = 'CANCEL' if cancelled else 'REQUEST'
@@ -1220,9 +1268,7 @@ def create_alert_for_closure_time(closure_time: ClosureTime):
 
 
 def email_last_closure_occurrence(closure_time):
-	facility_manager_emails = User.objects.filter(is_active=True, is_facility_manager=True).values_list(
-		"email", flat=True
-	)
+	facility_manager_emails = [email for manager in User.objects.filter(is_active=True, is_facility_manager=True) for email in manager.get_emails(include_alternate=True)]
 	message = f"""
 Dear facility manager,<br>
 This email is to inform you that today was the last occurrence for the {closure_time.closure.name} facility closure.
diff --git a/NEMO/views/consumables.py b/NEMO/views/consumables.py
index 0b36dba7..fbb7e172 100644
--- a/NEMO/views/consumables.py
+++ b/NEMO/views/consumables.py
@@ -7,13 +7,12 @@
 from django.template import Context, Template
 from django.views.decorators.http import require_GET, require_POST, require_http_methods
 
-from NEMO import rates
 from NEMO.decorators import staff_member_required
 from NEMO.exceptions import ProjectChargeException
 from NEMO.forms import ConsumableWithdrawForm
 from NEMO.models import Consumable, ConsumableWithdraw, User
 from NEMO.utilities import EmailCategory, send_mail
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.views.customization import EmailsCustomization, get_media_file_contents
 from NEMO.views.policy import check_billing_to_project
 
 consumables_logger = getLogger(__name__)
@@ -23,6 +22,7 @@
 @require_http_methods(['GET', 'POST'])
 def consumables(request):
 	if request.method == "GET":
+		from NEMO import rates
 		rate_dict = rates.rate_class.get_consumable_rates(Consumable.objects.all())
 
 		dictionary = {
@@ -109,7 +109,7 @@ def make_withdrawal(consumable_id: int, quantity: int, project_id: int, merchant
 
 
 def send_reorder_supply_reminder_email(consumable: Consumable):
-	user_office_email = get_customization('user_office_email_address')
+	user_office_email = EmailsCustomization.get('user_office_email_address')
 	message = get_media_file_contents('reorder_supplies_reminder_email.html')
 	if user_office_email and message:
 		subject = f"Time to order more {consumable.name}"
diff --git a/NEMO/views/customization.py b/NEMO/views/customization.py
index ef3d8e39..2ac80a47 100644
--- a/NEMO/views/customization.py
+++ b/NEMO/views/customization.py
@@ -1,20 +1,266 @@
+import operator
+from abc import ABC
+from typing import Dict, Iterable
+
+from django.contrib import messages
+from django.core.exceptions import ValidationError
 from django.core.files.storage import get_storage_class
 from django.core.validators import validate_email
-from django.http import HttpResponseBadRequest
+from django.http import HttpResponseNotFound
 from django.shortcuts import redirect, render
+from django.template import Context, Template
 from django.views.decorators.http import require_GET, require_POST
 
 from NEMO import init_admin_site
-from NEMO.decorators import administrator_required
+from NEMO.decorators import administrator_required, customization
 from NEMO.exceptions import InvalidCustomizationException
-from NEMO.models import Customization
+from NEMO.models import Customization, Project
+
+
+class CustomizationBase(ABC):
+	_instances = {}
+	# Here we can place variables that we need in NEMO but don't need to be set in UI
+	variables = {"weekend_access_notification_last_sent": ""}
+	files = []
+
+	def __init__(self, key, title, order):
+		self.key = key
+		self.title = title
+		self.order = order
+
+	def template(self) -> str:
+		return f"customizations/customizations_{self.key}.html"
+
+	def context(self) -> Dict:
+		files_dict = {name: get_media_file_contents(name + extension) for name, extension in type(self).files}
+		variables_dict = {name: type(self).get(name) for name in type(self).variables}
+		return {"customization": self, **variables_dict, **files_dict}
+
+	def save(self, request, element=None) -> Dict[str, Dict[str, str]]:
+		errors = {}
+		if element:
+			# We are saving a file here
+			item = None
+			for name, extension in type(self).files:
+				if name == element:
+					item = (name, extension)
+					break
+			if item:
+				store_media_file(request.FILES.get(element, ""), item[0] + item[1])
+		else:
+			# We are saving key values here
+			for key in type(self).variables.keys():
+				new_value = request.POST.get(key, "")
+				try:
+					self.validate(key, new_value)
+					type(self).set(key, new_value)
+				except (ValidationError, InvalidCustomizationException) as e:
+					errors[key] = {"error": str(e.message or e.msg), "value": new_value}
+		return errors
+
+	def validate(self, name, value):
+		# This method is expected to throw a ValidationError when validation fails
+		pass
+
+	@classmethod
+	def add_instance(cls, inst):
+		cls._instances[inst.key] = inst
+
+	@classmethod
+	def instances(cls) -> Iterable:
+		return sorted(cls._instances.values(), key=operator.attrgetter("order"))
+
+	@classmethod
+	def get_instance(cls, key):
+		return cls._instances.get(key)
+
+	@classmethod
+	def all_variables(cls) -> Dict:
+		all_variables = CustomizationBase.variables
+		for instance in cls.instances():
+			all_variables.update(instance.variables)
+		return all_variables
+
+	@classmethod
+	def get(cls, name: str, raise_exception=True) -> str:
+		if name not in cls.variables:
+			raise InvalidCustomizationException(name)
+		default_value = cls.variables[name]
+		try:
+			return Customization.objects.get(name=name).value
+		except Customization.DoesNotExist:
+			# return default value
+			return default_value
+		except Exception:
+			if raise_exception:
+				raise
+			else:
+				return default_value
+
+	@classmethod
+	def set(cls, name: str, value):
+		if name not in cls.variables:
+			raise InvalidCustomizationException(name, value)
+		if value:
+			Customization.objects.update_or_create(name=name, defaults={"value": value})
+		else:
+			try:
+				Customization.objects.get(name=name).delete()
+			except Customization.DoesNotExist:
+				pass
+
+
+@customization(key="application", title="Application", order=1)
+class ApplicationCustomization(CustomizationBase):
+	variables = {
+		"facility_name": "NanoFab",
+		"site_title": "NEMO",
+		"self_log_in": "",
+		"self_log_out": "",
+		"calendar_login_logout": "",
+		"project_selection_template": "{{ project.name }}",
+		"default_user_training_not_required": "",
+	}
+
+	def validate(self, name, value):
+		if name == "project_selection_template":
+			try:
+				Template(value).render(Context({"project": Project()}))
+			except Exception as e:
+				raise ValidationError(str(e))
+
+	def save(self, request, element=None):
+		errors = super().save(request, element)
+		init_admin_site()
+		return errors
+
+
+@customization(key="emails", title="Email addresses", order=2)
+class EmailsCustomization(CustomizationBase):
+	variables = {
+		"feedback_email_address": "",
+		"user_office_email_address": "",
+		"safety_email_address": "",
+		"abuse_email_address": "",
+	}
+
+	def validate(self, name, value):
+		validate_email(value)
+
+
+@customization(key="calendar", title="Calendar", order=3)
+class CalendarCustomization(CustomizationBase):
+	variables = {
+		"calendar_view": "agendaWeek",
+		"calendar_first_day_of_week": "1",
+		"calendar_day_column_format": "dddd MM/DD/YYYY",
+		"calendar_week_column_format": "ddd M/DD",
+		"calendar_month_column_format": "ddd",
+		"calendar_start_of_the_day": "07:00:00",
+		"calendar_now_indicator": "",
+		"calendar_display_not_qualified_areas": "",
+		"calendar_all_tools": "",
+		"calendar_all_areas": "",
+		"calendar_all_areastools": "",
+		"calendar_outage_recurrence_limit": "90",
+	}
+
+
+@customization(key="dashboard", title="Status dashboard", order=4)
+class StatusDashboardCustomization(CustomizationBase):
+	variables = {
+		"dashboard_display_not_qualified_areas": "",
+		"dashboard_staff_status_first_day_of_week": "1",
+		"dashboard_staff_status_staff_only": "",
+		"dashboard_staff_status_weekdays_only": "",
+		"dashboard_staff_status_date_format": "D m/d",
+		"dashboard_staff_status_check_past_status": "",
+		"dashboard_staff_status_check_future_status": "",
+		"dashboard_staff_status_user_view": "",
+		"dashboard_staff_status_staff_view": "",
+	}
+
+
+@customization(key="interlock", title="Interlock", order=5)
+class InterlockCustomization(CustomizationBase):
+	variables = {
+		"allow_bypass_interlock_on_failure": "",
+		"tool_interlock_failure_message": "Communication with the interlock failed",
+		"door_interlock_failure_message": "Communication with the interlock failed",
+	}
+
+
+@customization(key="requests", title="User requests", order=6)
+class UserRequestsCustomization(CustomizationBase):
+	variables = {
+		"buddy_requests_title": "Buddy requests board",
+		"buddy_board_description": "",
+		"access_requests_title": "Access requests",
+		"access_requests_description": "",
+		"access_requests_minimum_users": "2",
+		"access_requests_display_max": "",
+		"weekend_access_notification_emails": "",
+		"weekend_access_notification_cutoff_hour": "",
+		"weekend_access_notification_cutoff_day": "",
+	}
+
+	def validate(self, name, value):
+		if name == "weekend_access_notification_emails":
+			recipients = tuple([e for e in value.split(",") if e])
+			for email in recipients:
+				validate_email(email)
+
+
+@customization(key="templates", title="File & email templates", order=7)
+class TemplatesCustomization(CustomizationBase):
+	files = [
+		("login_banner", ".html"),
+		("authorization_failed", ".html"),
+		("safety_introduction", ".html"),
+		("facility_rules_tutorial", ".html"),
+		("jumbotron_watermark", ".png"),
+		("access_request_notification_email", ".html"),
+		("cancellation_email", ".html"),
+		("counter_threshold_reached_email", ".html"),
+		("feedback_email", ".html"),
+		("generic_email", ".html"),
+		("missed_reservation_email", ".html"),
+		("facility_rules_tutorial_email", ".html"),
+		("new_task_email", ".html"),
+		("out_of_time_reservation_email", ".html"),
+		("reorder_supplies_reminder_email", ".html"),
+		("reservation_ending_reminder_email", ".html"),
+		("reservation_reminder_email", ".html"),
+		("reservation_warning_email", ".html"),
+		("safety_issue_email", ".html"),
+		("staff_charge_reminder_email", ".html"),
+		("task_status_notification", ".html"),
+		("unauthorized_tool_access_email", ".html"),
+		("usage_reminder_email", ".html"),
+		("reservation_created_user_email", ".html"),
+		("reservation_cancelled_user_email", ".html"),
+		("weekend_access_email", ".html"),
+	]
+
+
+@customization(key="rates", title="Rates", order=8)
+class RatesCustomization(CustomizationBase):
+	files = [("rates", ".json")]
+
+	def save(self, request, element=None):
+		errors = super().save(request, element)
+		if not errors:
+			from NEMO.rates import rate_class
+
+			rate_class.load_rates(force_reload=True)
+		return errors
 
 
 def get_media_file_contents(file_name):
 	""" Get the contents of a media file if it exists. Return a blank string if it does not exist. """
 	storage = get_storage_class()()
 	if not storage.exists(file_name):
-		return ''
+		return ""
 	f = storage.open(file_name)
 	try:
 		return f.read().decode().strip()
@@ -31,87 +277,9 @@ def store_media_file(content, file_name):
 		storage.save(file_name, content)
 
 
-# Dictionary of customizable keys with default value
-customizable_key_values = {
-	'feedback_email_address': '',
-	'user_office_email_address': '',
-	'safety_email_address': '',
-	'abuse_email_address': '',
-	'facility_name': 'NanoFab',
-	'site_title': 'NEMO',
-	'self_log_in': '',
-	'self_log_out': '',
-	'calendar_login_logout': '',
-	'dashboard_display_not_qualified_areas': '',
-	'dashboard_staff_status_first_day_of_week': '1',
-	'dashboard_staff_status_staff_only': '',
-	'dashboard_staff_status_weekdays_only': '',
-	'dashboard_staff_status_date_format': 'D m/d',
-	'dashboard_staff_status_check_past_status': '',
-	'dashboard_staff_status_check_future_status': '',
-	'dashboard_staff_status_user_view': '',
-	'dashboard_staff_status_staff_view': '',
-	'calendar_view': 'agendaWeek',
-	'calendar_first_day_of_week': '1',
-	'calendar_day_column_format': 'dddd MM/DD/YYYY',
-	'calendar_week_column_format': 'ddd M/DD',
-	'calendar_month_column_format': 'ddd',
-	'calendar_start_of_the_day': '07:00:00',
-	'calendar_now_indicator': '',
-	'calendar_display_not_qualified_areas': '',
-	'calendar_all_tools': '',
-	'calendar_all_areas': '',
-	'calendar_all_areastools': '',
-	'calendar_outage_recurrence_limit': '90',
-	'project_selection_template': '{{ project.name }}',
-	'allow_bypass_interlock_on_failure': '',
-	'tool_interlock_failure_message': 'Communication with the interlock failed',
-	'door_interlock_failure_message': 'Communication with the interlock failed',
-	'buddy_requests_title': 'Buddy requests board',
-	'buddy_board_description': '',
-	'access_requests_title': 'Access requests',
-	'access_requests_description': '',
-	'access_requests_minimum_users': '2',
-	'access_requests_display_max': '',
-	'weekend_access_notification_emails': '',
-	'weekend_access_notification_cutoff_hour': '',
-	'weekend_access_notification_cutoff_day': '',
-	'weekend_access_notification_last_sent': '',
-}
-
-customizable_content = [
-	('access_request_notification_email', '.html'),
-	('authorization_failed', '.html'),
-	('cancellation_email', '.html'),
-	('counter_threshold_reached_email', '.html'),
-	('facility_rules_tutorial', '.html'),
-	('facility_rules_tutorial_email', '.html'),
-	('feedback_email', '.html'),
-	('generic_email', '.html'),
-	('login_banner', '.html'),
-	('missed_reservation_email', '.html'),
-	('new_task_email', '.html'),
-	('out_of_time_reservation_email', '.html'),
-	('reorder_supplies_reminder_email', '.html'),
-	('reservation_cancelled_user_email', '.html'),
-	('reservation_created_user_email', '.html'),
-	('reservation_ending_reminder_email', '.html'),
-	('reservation_reminder_email', '.html'),
-	('reservation_warning_email', '.html'),
-	('safety_introduction', '.html'),
-	('safety_issue_email', '.html'),
-	('staff_charge_reminder_email', '.html'),
-	('task_status_notification', '.html'),
-	('unauthorized_tool_access_email', '.html'),
-	('usage_reminder_email', '.html'),
-	('weekend_access_email', '.html'),
-	('weekend_no_access_email', '.html'),
-	('rates', '.json'),
-	('jumbotron_watermark', '.png'),
-]
-
-
+# This method should not be used anymore. Instead, use XCustomization.get(name)
 def get_customization(name, raise_exception=True):
+	customizable_key_values = CustomizationBase.all_variables()
 	if name not in customizable_key_values.keys():
 		raise InvalidCustomizationException(name)
 	default_value = customizable_key_values[name]
@@ -127,13 +295,13 @@ def get_customization(name, raise_exception=True):
 			return default_value
 
 
+# This method should not be used anymore. Instead, use XCustomization.set(name, value)
 def set_customization(name, value):
-	if name not in customizable_key_values.keys():
+	customizable_key_values = CustomizationBase.all_variables()
+	if name not in customizable_key_values:
 		raise InvalidCustomizationException(name, value)
 	if value:
-		if name in ['feedback_email_address', 'user_office_email_address', 'safety_email_address', 'abuse_email_address']:
-			validate_email(value)
-		Customization.objects.update_or_create(name=name, defaults={'value': value})
+		Customization.objects.update_or_create(name=name, defaults={"value": value})
 	else:
 		try:
 			Customization.objects.get(name=name).delete()
@@ -143,74 +311,23 @@ def set_customization(name, value):
 
 @administrator_required
 @require_GET
-def customization(request):
-	dictionary = {name: get_media_file_contents(name + extension) for name, extension in customizable_content}
-	dictionary.update({name: get_customization(name) for name in customizable_key_values.keys()})
-	return render(request, 'customizations/customizations.html', dictionary)
+def customization(request, key: str = "application"):
+	customization_instance: CustomizationBase = CustomizationBase.get_instance(key)
+	return render(request, "customizations/customizations.html", customization_instance.context())
 
 
 @administrator_required
 @require_POST
-def customize(request, element):
-	item = None
-	for name, extension in customizable_content:
-		if name == element:
-			item = (name, extension)
-			break
-	if item:
-		store_media_file(request.FILES.get(element, ''), item[0] + item[1])
-		if item[0] == 'rates':
-			from NEMO.rates import rate_class
-			rate_class.load_rates(force_reload=True)
-	elif element == 'email_addresses':
-		set_customization('feedback_email_address', request.POST.get('feedback_email_address', ''))
-		set_customization('safety_email_address', request.POST.get('safety_email_address', ''))
-		set_customization('abuse_email_address', request.POST.get('abuse_email_address', ''))
-		set_customization('user_office_email_address', request.POST.get('user_office_email_address', ''))
-	elif element == 'application_settings':
-		set_customization('self_log_in', request.POST.get('self_log_in', ''))
-		set_customization('self_log_out', request.POST.get('self_log_out', ''))
-		set_customization('calendar_login_logout', request.POST.get('calendar_login_logout', ''))
-		set_customization('facility_name', request.POST.get('facility_name', ''))
-		set_customization('site_title', request.POST.get('site_title', ''))
-		set_customization('project_selection_template', request.POST.get('project_selection_template', ''))
-		init_admin_site()
-	elif element == 'calendar_settings':
-		set_customization('calendar_view', request.POST.get('calendar_view', ''))
-		set_customization('calendar_first_day_of_week', request.POST.get('calendar_first_day_of_week', ''))
-		set_customization('calendar_start_of_the_day', request.POST.get('calendar_start_of_the_day', ''))
-		set_customization('calendar_now_indicator', request.POST.get('calendar_now_indicator', ''))
-		set_customization('calendar_day_column_format', request.POST.get('calendar_day_column_format', ''))
-		set_customization('calendar_week_column_format', request.POST.get('calendar_week_column_format', ''))
-		set_customization('calendar_month_column_format', request.POST.get('calendar_month_column_format', ''))
-		set_customization('calendar_all_tools', request.POST.get('calendar_all_tools', ''))
-		set_customization('calendar_all_areas', request.POST.get('calendar_all_areas', ''))
-		set_customization('calendar_all_areastools', request.POST.get('calendar_all_areastools', ''))
-		set_customization('calendar_outage_recurrence_limit', request.POST.get('calendar_outage_recurrence_limit', '90'))
-	elif element == 'dashboard_settings':
-		set_customization('dashboard_display_not_qualified_areas', request.POST.get('dashboard_display_not_qualified_areas', ''))
-		set_customization('dashboard_staff_status_first_day_of_week', request.POST.get('dashboard_staff_status_first_day_of_week', ''))
-		set_customization('dashboard_staff_status_staff_only', request.POST.get('dashboard_staff_status_staff_only', ''))
-		set_customization('dashboard_staff_status_weekdays_only', request.POST.get('dashboard_staff_status_weekdays_only', ''))
-		set_customization('dashboard_staff_status_date_format', request.POST.get('dashboard_staff_status_date_format', ''))
-		set_customization('dashboard_staff_status_check_past_status', request.POST.get('dashboard_staff_status_check_past_status', ''))
-		set_customization('dashboard_staff_status_check_future_status', request.POST.get('dashboard_staff_status_check_future_status', ''))
-		set_customization('dashboard_staff_status_user_view', request.POST.get('dashboard_staff_status_user_view', ''))
-		set_customization('dashboard_staff_status_staff_view', request.POST.get('dashboard_staff_status_staff_view', ''))
-	elif element == 'interlock_settings':
-		set_customization('allow_bypass_interlock_on_failure', request.POST.get('allow_bypass_interlock_on_failure', ''))
-		set_customization('tool_interlock_failure_message', request.POST.get('tool_interlock_failure_message', ''))
-		set_customization('door_interlock_failure_message', request.POST.get('door_interlock_failure_message', ''))
-	elif element == 'requests_settings':
-		set_customization('buddy_requests_title', request.POST.get('buddy_requests_title', ''))
-		set_customization('buddy_board_description', request.POST.get('buddy_board_description', ''))
-		set_customization('access_requests_title', request.POST.get('access_requests_title', ''))
-		set_customization('access_requests_description', request.POST.get('access_requests_description', ''))
-		set_customization('access_requests_minimum_users', request.POST.get('access_requests_minimum_users', ''))
-		set_customization('access_requests_display_max', request.POST.get('access_requests_display_max', ''))
-		set_customization('weekend_access_notification_emails', request.POST.get('weekend_access_notification_emails', ''))
-		set_customization('weekend_access_notification_cutoff_hour', request.POST.get('weekend_access_notification_cutoff_hour', ''))
-		set_customization('weekend_access_notification_cutoff_day', request.POST.get('weekend_access_notification_cutoff_day', ''))
+def customize(request, key, element=None):
+	customization_instance = CustomizationBase.get_instance(key)
+	if not customization_instance:
+		return HttpResponseNotFound(f"Customizations with key: '{key}' not found")
+	errors = customization_instance.save(request, element)
+	if errors:
+		messages.error(request, f"Please correct the errors below:")
+		return render(
+			request, "customizations/customizations.html", {"errors": errors, **customization_instance.context()}
+		)
 	else:
-		return HttpResponseBadRequest('Invalid customization')
-	return redirect('customization')
+		messages.success(request, f"{customization_instance.title} settings saved successfully")
+		return redirect("customization", key)
diff --git a/NEMO/views/email.py b/NEMO/views/email.py
index 7564b1a8..2641dab2 100644
--- a/NEMO/views/email.py
+++ b/NEMO/views/email.py
@@ -17,7 +17,7 @@
 from NEMO.forms import EmailBroadcastForm
 from NEMO.models import Account, Area, Project, Tool, User, UserType
 from NEMO.utilities import EmailCategory, export_format_datetime, send_mail
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.views.customization import ApplicationCustomization, get_media_file_contents
 
 logger = getLogger(__name__)
 
@@ -63,7 +63,7 @@ def send_email(request):
 			email_category=EmailCategory.DIRECT_CONTACT,
 		)
 	except SMTPException as error:
-		site_title = get_customization("site_title")
+		site_title = ApplicationCustomization.get("site_title")
 		error_message = (
 				f"{site_title} was unable to send the email through the email server. The error message that was received is: "
 				+ str(error)
@@ -117,8 +117,8 @@ def compose_email(request):
 		"selection": selection,
 		"no_type": no_type,
 		"users": users,
-		"user_emails": ";".join([user.email for user in users]),
-		"active_user_emails": ";".join([user.email for user in users if user.is_active]),
+		"user_emails": ";".join([email for user in users for email in user.get_emails(user.get_preferences().email_send_broadcast_emails)]),
+		"active_user_emails": ";".join([email for user in users for email in user.get_emails(user.get_preferences().email_send_broadcast_emails) if user.is_active]),
 	}
 	if generic_email_sample:
 		generic_email_context = {
@@ -146,7 +146,9 @@ def export_email_addresses(request):
 		if only_active_users:
 			users = [user for user in users if user.is_active]
 		for user in users:
-			writer.writerow([user.first_name, user.last_name, user.username, user.email])
+			user: User = user
+			for email in user.get_emails(user.get_preferences().email_send_broadcast_emails):
+				writer.writerow([user.first_name, user.last_name, user.username, email])
 		response["Content-Disposition"] = f'attachment; filename="email_addresses_{export_format_datetime()}.csv"'
 		return response
 	except:
@@ -194,19 +196,20 @@ def send_broadcast_email(request):
 		dictionary = {"error": "The audience you specified is empty. You must send the email to at least one person."}
 		return render(request, "email/compose_email.html", dictionary)
 	subject = form.cleaned_data["subject"]
-	users = [x.email for x in users]
+	users = [email for user in users for email in user.get_emails(user.get_preferences().email_send_broadcast_emails)]
+	sender: User = request.user
 	if form.cleaned_data["copy_me"]:
-		users += [request.user.email]
+		users += sender.get_emails(sender.get_preferences().email_send_broadcast_emails)
 	try:
 		send_mail(
 			subject=subject,
 			content=content,
-			from_email=request.user.email,
+			from_email=sender.email,
 			bcc=set(users),
 			email_category=EmailCategory.BROADCAST_EMAIL,
 		)
 	except SMTPException as error:
-		site_title = get_customization("site_title")
+		site_title = ApplicationCustomization.get("site_title")
 		error_message = (
 				f"{site_title} was unable to send the email through the email server. The error message that was received is: "
 				+ str(error)
diff --git a/NEMO/views/feedback.py b/NEMO/views/feedback.py
index dfa8be27..201fba85 100644
--- a/NEMO/views/feedback.py
+++ b/NEMO/views/feedback.py
@@ -1,17 +1,17 @@
 from django.contrib.auth.decorators import login_required
 from django.shortcuts import render
-from django.template import Template, Context
+from django.template import Context, Template
 from django.views.decorators.http import require_http_methods
 
-from NEMO.utilities import parse_parameter_string, send_mail, EmailCategory
+from NEMO.utilities import EmailCategory, parse_parameter_string, send_mail
 from NEMO.views.constants import FEEDBACK_MAXIMUM_LENGTH
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.views.customization import EmailsCustomization, get_media_file_contents
 
 
 @login_required
 @require_http_methods(['GET', 'POST'])
 def feedback(request):
-	recipient = get_customization('feedback_email_address')
+	recipient = EmailsCustomization.get('feedback_email_address')
 	email_contents = get_media_file_contents('feedback_email.html')
 	if not recipient or not email_contents:
 		return render(request, 'feedback.html', {'customization_required': True})
diff --git a/NEMO/views/landing.py b/NEMO/views/landing.py
index b734a7e8..03ad4dee 100644
--- a/NEMO/views/landing.py
+++ b/NEMO/views/landing.py
@@ -29,8 +29,10 @@ def landing(request):
 		landing_page_choices = landing_page_choices.exclude(hide_from_desktop_computers=True)
 	if request.device == "mobile":
 		landing_page_choices = landing_page_choices.exclude(hide_from_mobile_devices=True)
-	if not user.is_staff and not user.is_superuser and not user.is_technician:
+	if not user.is_staff and not user.is_facility_manager and not user.is_superuser and not user.is_technician:
 		landing_page_choices = landing_page_choices.exclude(hide_from_users=True)
+	if not user.is_facility_manager and not user.is_superuser and (user.is_staff or user.is_technician):
+		landing_page_choices = landing_page_choices.exclude(hide_from_staff=True)
 
 	if not settings.ALLOW_CONDITIONAL_URLS:
 		# validate all urls
diff --git a/NEMO/views/mobile.py b/NEMO/views/mobile.py
index 44066b0a..ebd766de 100644
--- a/NEMO/views/mobile.py
+++ b/NEMO/views/mobile.py
@@ -11,13 +11,13 @@
 
 from NEMO.exceptions import ProjectChargeException, RequiredUnansweredQuestionsException
 from NEMO.models import Area, Project, Reservation, ReservationItemType, ScheduledOutage, Tool, User
-from NEMO.utilities import beginning_of_the_day, end_of_the_day, extract_date, localize
+from NEMO.utilities import beginning_of_the_day, end_of_the_day, localize
 from NEMO.views.calendar import (
 	extract_configuration,
 	extract_reservation_questions,
 	render_reservation_questions,
 )
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import CalendarCustomization
 from NEMO.views.policy import check_billing_to_project, check_policy_to_save_reservation
 
 
@@ -36,7 +36,7 @@ def choose_item(request, next_page):
 			return render(request, 'mobile/no_active_projects.html')
 		areas = Area.objects.filter(requires_reservation=True).only('name')
 		# We want to remove areas the user doesn't have access to
-		display_all_areas = get_customization('calendar_display_not_qualified_areas') == 'enabled'
+		display_all_areas = CalendarCustomization.get('calendar_display_not_qualified_areas') == 'enabled'
 		if not display_all_areas and areas and user and not user.is_superuser:
 			areas = [area for area in areas if area in user.accessible_areas()]
 
@@ -148,7 +148,8 @@ def view_calendar(request, item_type, item_id, date=None):
 	item = get_object_or_404(item_type.get_object_class(), id=item_id)
 	if date:
 		try:
-			date = extract_date(date)
+			# Try to extract date using the hardcoded format
+			date = localize(datetime.strptime(date, "%Y-%m-%d"))
 		except:
 			render(request, 'mobile/error.html', {'message': 'Invalid date requested for tool calendar'})
 			return HttpResponseBadRequest()
diff --git a/NEMO/views/policy.py b/NEMO/views/policy.py
index 666ef8ed..17a7da25 100644
--- a/NEMO/views/policy.py
+++ b/NEMO/views/policy.py
@@ -36,14 +36,14 @@
 	User,
 )
 from NEMO.utilities import EmailCategory, distinct_qs_value_list, format_daterange, format_datetime, send_mail
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.views.customization import ApplicationCustomization, EmailsCustomization, get_media_file_contents
 
 
 def check_policy_to_enable_tool(tool: Tool, operator: User, user: User, project: Project, staff_charge: bool):
 	"""
 	Check that the user is allowed to enable the tool. Enable the tool if the policy checks pass.
 	"""
-	facility_name = get_customization('facility_name')
+	facility_name = ApplicationCustomization.get('facility_name')
 
 	# The tool must be visible (or the parent if it's a child tool) to users.
 	visible = tool.parent_tool.visible if tool.is_child_tool() else tool.visible
@@ -76,7 +76,7 @@ def check_policy_to_enable_tool(tool: Tool, operator: User, user: User, project:
 	# The tool operator may not activate tools in a particular area unless they are logged in to the area.
 	# Staff are exempt from this rule.
 	if tool.requires_area_access and AreaAccessRecord.objects.filter(area=tool.requires_area_access, customer=operator, staff_charge=None, end=None).count() == 0 and not operator.is_staff:
-		abuse_email_address = get_customization('abuse_email_address')
+		abuse_email_address = EmailsCustomization.get('abuse_email_address')
 		message = get_media_file_contents('unauthorized_tool_access_email.html')
 		if abuse_email_address and message:
 			dictionary = {
@@ -92,7 +92,7 @@ def check_policy_to_enable_tool(tool: Tool, operator: User, user: User, project:
 	# Staff and service personnel are exempt from this rule.
 	if not operator.is_staff and not operator.is_service_personnel and tool.requires_area_reservation():
 		if not tool.requires_area_access.get_current_reservation_for_user(operator):
-			abuse_email_address = get_customization('abuse_email_address')
+			abuse_email_address = EmailsCustomization.get('abuse_email_address')
 			message = get_media_file_contents('unauthorized_tool_access_email.html')
 			if abuse_email_address and message:
 				dictionary = {
@@ -155,7 +155,7 @@ def check_policy_to_save_reservation(cancelled_reservation: Optional[Reservation
 	"""
 	user = new_reservation.user
 
-	facility_name = get_customization('facility_name')
+	facility_name = ApplicationCustomization.get('facility_name')
 
 	# The function will check all policies. Policy problems are placed in the policy_problems list. overridable is True if the policy problems can be overridden by a staff member.
 	policy_problems = []
diff --git a/NEMO/views/remote_work.py b/NEMO/views/remote_work.py
index 119d41fd..98e3a526 100644
--- a/NEMO/views/remote_work.py
+++ b/NEMO/views/remote_work.py
@@ -8,18 +8,18 @@
 from NEMO.utilities import (
 	BasicDisplayTable,
 	export_format_datetime,
+	extract_optional_beginning_and_end_dates,
 	format_datetime,
 	get_month_timeframe,
 	month_list,
-	parse_start_and_end_date,
 )
 
 
 @staff_member_required
 @require_GET
 def remote_work(request):
-	if request.GET.get("start_date") and request.GET.get("end_date"):
-		start_date, end_date = parse_start_and_end_date(request.GET.get("start_date"), request.GET.get("end_date"))
+	if request.GET.get("start") or request.GET.get("end"):
+		start_date, end_date = extract_optional_beginning_and_end_dates(request.GET, date_only=True)
 	else:
 		start_date, end_date = get_month_timeframe()
 
@@ -37,10 +37,14 @@ def remote_work(request):
 		project = get_object_or_404(Project, id=project)
 	else:
 		project = None
-	usage_events = UsageEvent.objects.filter(
-		operator__is_staff=True, start__gte=start_date, start__lte=end_date
-	).exclude(operator=F("user"))
-	staff_charges = StaffCharge.objects.filter(start__gte=start_date, start__lte=end_date)
+	usage_events = UsageEvent.objects.filter(operator__is_staff=True).exclude(operator=F("user"))
+	staff_charges = StaffCharge.objects.filter()
+	if start_date:
+		usage_events = usage_events.filter(start__gte=start_date)
+		staff_charges = staff_charges.filter(start__gte=start_date)
+	if end_date:
+		usage_events = usage_events.filter(start__lte=end_date)
+		staff_charges = staff_charges.filter(start__lte=end_date)
 	if operator:
 		usage_events = usage_events.exclude(~Q(operator_id=operator.id))
 		staff_charges = staff_charges.exclude(~Q(staff_member_id=operator.id))
diff --git a/NEMO/views/safety.py b/NEMO/views/safety.py
index 308e7570..88d23c07 100644
--- a/NEMO/views/safety.py
+++ b/NEMO/views/safety.py
@@ -9,7 +9,7 @@
 from NEMO.forms import SafetyIssueCreationForm, SafetyIssueUpdateForm
 from NEMO.models import SafetyIssue
 from NEMO.utilities import EmailCategory, send_mail
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.views.customization import EmailsCustomization, get_media_file_contents
 from NEMO.views.notifications import create_safety_notification, delete_notification, get_notifications
 
 
@@ -36,7 +36,7 @@ def safety(request):
 
 
 def send_safety_email_notification(request, issue):
-	recipient = get_customization("safety_email_address")
+	recipient = EmailsCustomization.get("safety_email_address")
 	message = get_media_file_contents("safety_issue_email.html")
 	if recipient and message:
 		subject = "Safety issue"
diff --git a/NEMO/views/status_dashboard.py b/NEMO/views/status_dashboard.py
index 33b7cbb8..66c0350a 100644
--- a/NEMO/views/status_dashboard.py
+++ b/NEMO/views/status_dashboard.py
@@ -36,7 +36,7 @@
 	format_datetime,
 	quiet_int,
 )
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import StatusDashboardCustomization
 
 
 @login_required
@@ -79,8 +79,8 @@ def get_staff_status(request, csv_export=False) -> Union[Dict, HttpResponse]:
 	# Everything here is dealing with date/times without timezones to avoid issues with DST etc
 	user: User = request.user
 	# Check and set ability for users/staffs to look into the past or future
-	check_past_status = get_customization("dashboard_staff_status_check_past_status")
-	check_future_status = get_customization("dashboard_staff_status_check_future_status")
+	check_past_status = StatusDashboardCustomization.get("dashboard_staff_status_check_past_status")
+	check_future_status = StatusDashboardCustomization.get("dashboard_staff_status_check_future_status")
 	user_can_check_past_status = (
 			not check_past_status
 			or check_past_status == "staffs"
@@ -96,8 +96,8 @@ def get_staff_status(request, csv_export=False) -> Union[Dict, HttpResponse]:
 			and user.is_facility_manager
 	)
 	# Check and set ability for users/staffs to look at the week/month view
-	user_view_options = get_customization("dashboard_staff_status_user_view")
-	staff_view_options = get_customization("dashboard_staff_status_staff_view")
+	user_view_options = StatusDashboardCustomization.get("dashboard_staff_status_user_view")
+	staff_view_options = StatusDashboardCustomization.get("dashboard_staff_status_staff_view")
 	user_view = user_view_options if not user.is_staff else staff_view_options if not user.is_facility_manager else ''
 	# Take the default view from user preferences
 	view = request.GET.get("view", user.get_preferences().staff_status_view)
@@ -117,10 +117,10 @@ def get_staff_status(request, csv_export=False) -> Union[Dict, HttpResponse]:
 			timestamp = now_timestamp
 	requested_datetime = datetime.fromtimestamp(timestamp)
 	requested_day = beginning_of_the_day(requested_datetime, in_local_timezone=False)
-	weekdays_only = get_customization("dashboard_staff_status_weekdays_only")
+	weekdays_only = StatusDashboardCustomization.get("dashboard_staff_status_weekdays_only")
 	first_day = (
 		requested_day.isoweekday()
-		if not weekdays_only and get_customization("dashboard_staff_status_first_day_of_week") == "0"
+		if not weekdays_only and StatusDashboardCustomization.get("dashboard_staff_status_first_day_of_week") == "0"
 		else requested_day.weekday()
 	)
 	# Set start date
@@ -147,7 +147,7 @@ def get_staff_status(request, csv_export=False) -> Union[Dict, HttpResponse]:
 	staffs.query.add_ordering(F("category__display_order").asc(nulls_last=True))
 	staffs.query.add_ordering(F("staff_member__first_name").asc())
 	days = rrule(DAILY, dtstart=start, until=end)
-	staff_date_format = get_customization("dashboard_staff_status_date_format")
+	staff_date_format = StatusDashboardCustomization.get("dashboard_staff_status_date_format")
 	if csv_export:
 		return export_staff_status(request, staffs, days, start, end, staff_date_format)
 	return {
@@ -219,7 +219,7 @@ def staff_absences_dict(staffs, days, start, end):
 
 def closures_dict(days, start, end):
 	dictionary = {}
-	closure_times = ClosureTime.objects.filter(start_time__lte=end, end_time__gte=start)
+	closure_times = ClosureTime.objects.filter(start_time__lte=end, end_time__gte=start, closure__staff_absent=True)
 	for closure_time in closure_times:
 		for day in days:
 			if as_timezone(closure_time.start_time).date() <= day.date() <= as_timezone(closure_time.end_time).date():
@@ -262,12 +262,12 @@ def export_staff_status(request, staffs, days, start, end, staff_date_format) ->
 def show_staff_status(request):
 	if not settings.ALLOW_CONDITIONAL_URLS:
 		return False
-	dashboard_staff_status_staff_only = get_customization("dashboard_staff_status_staff_only")
+	dashboard_staff_status_staff_only = StatusDashboardCustomization.get("dashboard_staff_status_staff_only")
 	return StaffAvailability.objects.exists() and (not dashboard_staff_status_staff_only or request.user.is_staff)
 
 
 def process_area_access_record_with_parents(user: User):
-	show_not_qualified_areas = get_customization("dashboard_display_not_qualified_areas")
+	show_not_qualified_areas = StatusDashboardCustomization.get("dashboard_display_not_qualified_areas")
 	records = AreaAccessRecord.objects.filter(end=None, staff_charge=None)
 	if not user.is_staff and show_not_qualified_areas != "enabled":
 		records = records.filter(area__in=user.accessible_areas())
diff --git a/NEMO/views/tasks.py b/NEMO/views/tasks.py
index 156e7c4f..31abc40d 100644
--- a/NEMO/views/tasks.py
+++ b/NEMO/views/tasks.py
@@ -32,7 +32,7 @@
 	resize_image,
 	send_mail,
 )
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.views.customization import ApplicationCustomization, EmailsCustomization, get_media_file_contents
 from NEMO.views.safety import send_safety_email_notification
 from NEMO.views.tool_control import determine_tool_status
 
@@ -60,7 +60,7 @@ def create(request):
 	task_images = save_task_images(request, task)
 
 	if not settings.ALLOW_CONDITIONAL_URLS and task.force_shutdown:
-		site_title = get_customization('site_title')
+		site_title = ApplicationCustomization.get('site_title')
 		dictionary = {
 			'title': 'Task creation failed',
 			'heading': 'Something went wrong while reporting the problem',
@@ -108,12 +108,19 @@ def send_new_task_emails(request, task: Task, task_images: List[TaskImages]):
 		}
 		subject = ('SAFETY HAZARD: ' if task.safety_hazard else '') + task.tool.name + (' shutdown' if task.force_shutdown else ' problem')
 		message = Template(message).render(Context(dictionary))
-		facility_managers = User.objects.filter(is_active=True, is_facility_manager=True).values_list('email', flat=True)
-		recipients = tuple([r for r in [task.tool.primary_owner.email, *task.tool.backup_owners.all().values_list('email', flat=True), task.tool.notification_email_address, *facility_managers] if r])
+		# Add all recipients, starting with primary owner
+		recipient_users: List[User] = [task.tool.primary_owner]
+		# Add backup owners
+		recipient_users.extend(task.tool.backup_owners.all())
+		# Add facility managers
+		recipient_users.extend(User.objects.filter(is_active=True, is_facility_manager=True))
+		recipients = [email for user in recipient_users for email in user.get_emails(user.get_preferences().email_send_task_updates)]
+		if task.tool.notification_email_address:
+			recipients.append(task.tool.notification_email_address)
 		send_mail(subject=subject, content=message, from_email=request.user.email, to=recipients, attachments=attachments, email_category=EmailCategory.TASKS)
 
-	# Send an email to any user (excluding staff) with a future reservation on the tool:
-	user_office_email = get_customization('user_office_email_address')
+	# Email any user (excluding staff) with a future reservation on the tool:
+	user_office_email = EmailsCustomization.get('user_office_email_address')
 	message = get_media_file_contents('reservation_warning_email.html')
 	if user_office_email and message:
 		upcoming_reservations = Reservation.objects.filter(start__gt=timezone.now(), cancelled=False, tool=task.tool, user__is_staff=False)
@@ -124,7 +131,8 @@ def send_new_task_emails(request, task: Task, task_images: List[TaskImages]):
 			else:
 				subject = reservation.tool.name + " reservation warning"
 				rendered_message = Template(message).render(Context({'reservation': reservation, 'template_color': bootstrap_primary_color('warning'), 'fatal_error': False}))
-			reservation.user.email_user(subject=subject, content=rendered_message, from_email=user_office_email, email_category=EmailCategory.TASKS)
+			send_to_alternate = reservation.user.get_preferences().email_send_reservation_emails
+			reservation.user.email_user(subject=subject, message=rendered_message, from_email=user_office_email, email_category=EmailCategory.TASKS, send_to_alternate=send_to_alternate)
 
 
 @login_required
@@ -156,7 +164,7 @@ def cancel(request, task_id):
 
 def send_task_updated_email(task, url, task_images: List[TaskImages] = None):
 	try:
-		facility_managers = User.objects.filter(is_active=True, is_facility_manager=True).values_list('email', flat=True)
+		facility_managers = [email for manager in User.objects.filter(is_active=True, is_facility_manager=True) for email in manager.get_emails(manager.get_preferences().email_send_task_updates)]
 		if not facility_managers:
 			return
 		attachments = None
@@ -190,7 +198,7 @@ def send_task_updated_email(task, url, task_images: List[TaskImages] = None):
 """
 		send_mail(subject=f'{task.tool} task {task_status}', content=message, from_email=settings.SERVER_EMAIL, to=facility_managers, attachments=attachments, email_category=EmailCategory.TASKS)
 	except Exception as error:
-		site_title = get_customization('site_title')
+		site_title = ApplicationCustomization.get('site_title')
 		error_message = f"{site_title} was unable to send the task updated email. The error message that was received is: " + str(error)
 		tasks_logger.exception(error_message)
 
@@ -263,7 +271,7 @@ def set_task_status(request, task, status_name, user):
 	task.save()
 
 	message = get_media_file_contents('task_status_notification.html')
-	# Send an email to the appropriate staff that a task status has been updated:
+	# Email the appropriate staff that a task status has been updated:
 	if message:
 		dictionary = {
 			'template_color': bootstrap_primary_color('success'),
@@ -275,14 +283,16 @@ def set_task_status(request, task, status_name, user):
 		}
 		subject = f'{task.tool} task notification'
 		message = Template(message).render(Context(dictionary))
-		recipients = [
-			task.tool.primary_owner.email if status.notify_primary_tool_owner else None,
-			task.tool.notification_email_address if status.notify_tool_notification_email else None,
-			status.custom_notification_email_address
-		]
+		# Add primary owner if applicable
+		recipient_users: List[User] = [task.tool.primary_owner] if status.notify_primary_tool_owner else []
 		if status.notify_backup_tool_owners:
-			recipients.extend(task.tool.backup_owners.values_list('email', flat=True))
-		recipients = filter(None, recipients)
+			# Add backup owners
+			recipient_users.extend(task.tool.backup_owners.all())
+		recipients = [email for user in recipient_users for email in user.get_emails(user.get_preferences().email_send_task_updates)]
+		if status.notify_tool_notification_email:
+			# Add tool notification email
+			recipients.append(task.tool.notification_email_address)
+		recipients.append(status.custom_notification_email_address)
 		send_mail(subject=subject, content=message, from_email=user.email, to=recipients, email_category=EmailCategory.TASKS)
 
 
diff --git a/NEMO/views/tool_control.py b/NEMO/views/tool_control.py
index 3d95deb0..3d5836a9 100644
--- a/NEMO/views/tool_control.py
+++ b/NEMO/views/tool_control.py
@@ -15,7 +15,6 @@
 from django.utils.safestring import mark_safe
 from django.views.decorators.http import require_GET, require_POST
 
-from NEMO import rates
 from NEMO.decorators import staff_member_required, synchronized
 from NEMO.exceptions import RequiredUnansweredQuestionsException
 from NEMO.forms import CommentForm, nice_errors
@@ -38,16 +37,19 @@
 from NEMO.utilities import (
 	BasicDisplayTable,
 	EmailCategory,
-	beginning_of_the_day,
-	end_of_the_day,
 	export_format_datetime,
-	extract_times,
+	extract_optional_beginning_and_end_times,
 	format_datetime,
 	quiet_int,
 	send_mail,
 )
 from NEMO.views.calendar import shorten_reservation
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.views.customization import (
+	ApplicationCustomization,
+	EmailsCustomization,
+	InterlockCustomization,
+	get_media_file_contents,
+)
 from NEMO.views.policy import check_policy_to_disable_tool, check_policy_to_enable_tool
 from NEMO.widgets.configuration_editor import ConfigurationEditor
 from NEMO.widgets.dynamic_form import DynamicForm, PostUsageQuestion, render_group_questions
@@ -79,6 +81,7 @@ def tool_control(request, item_type="tool", tool_id=None):
 @require_GET
 def tool_status(request, tool_id):
 	""" Gets the current status of the tool (that is, whether it is currently in use or not). """
+	from NEMO import rates
 	tool = get_object_or_404(Tool, id=tool_id, visible=True)
 
 	dictionary = {
@@ -147,7 +150,7 @@ def get_tool_full_config_history(tool: Tool):
 def usage_data_history(request, tool_id):
 	""" This method return a dictionary of headers and rows containing run_data information for Usage Events """
 	csv_export = bool(request.POST.get("csv", False))
-	start, end = extract_times(request.POST, start_required=False, end_required=False)
+	start, end = extract_optional_beginning_and_end_times(request.POST)
 	last = request.POST.get("data_history_last")
 	user_id = request.POST.get("data_history_user_id")
 	show_project_info = request.POST.get("show_project_info")
@@ -156,9 +159,9 @@ def usage_data_history(request, tool_id):
 		last = 25
 	usage_events = UsageEvent.objects.filter(tool_id=tool_id, end__isnull=False).order_by("-end")
 	if start:
-		usage_events = usage_events.filter(end__gte=beginning_of_the_day(start))
+		usage_events = usage_events.filter(end__gte=start)
 	if end:
-		usage_events = usage_events.filter(end__lte=end_of_the_day(end))
+		usage_events = usage_events.filter(end__lte=end)
 	if user_id:
 		try:
 			usage_events = usage_events.filter(user_id=int(user_id))
@@ -222,8 +225,8 @@ def usage_data_history(request, tool_id):
 	else:
 		dictionary = {
 			"tool_id": tool_id,
-			"data_history_start": start,
-			"data_history_end": end,
+			"data_history_start": start.date() if start else None,
+			"data_history_end": end.date() if end else None,
 			"data_history_last": str(last),
 			"usage_data_table": table_result,
 			"data_history_user": User.objects.get(id=user_id) if user_id else None,
@@ -429,7 +432,7 @@ def disable_tool(request, tool_id):
 @login_required
 @require_GET
 def past_comments_and_tasks(request):
-	start, end = extract_times(request.GET, start_required=False, end_required=False)
+	start, end = extract_optional_beginning_and_end_times(request.GET)
 	search = request.GET.get("search")
 	if not start and not end and not search:
 		return HttpResponseBadRequest("Please enter a search keyword, start date or end date.")
@@ -527,8 +530,8 @@ def reset_tool_counter(request, counter_id):
 	comment.expiration_date = datetime.now() + timedelta(weeks=1)
 	comment.save()
 
-	# Send an email to Lab Managers about the counter being reset.
-	facility_managers = User.objects.filter(is_active=True, is_facility_manager=True).values_list('email', flat=True)
+	# Email Lab Managers about the counter being reset.
+	facility_managers = [email for manager in User.objects.filter(is_active=True, is_facility_manager=True) for email in manager.get_emails(manager.get_preferences().email_send_task_updates)]
 	if facility_managers:
 		message = f"""The {counter.name} counter for the {counter.tool.name} was reset to 0 on {formats.localize(counter.last_reset)} by {counter.last_reset_by}.
 	
@@ -544,11 +547,11 @@ def reset_tool_counter(request, counter_id):
 
 
 def interlock_bypass_allowed(user: User):
-	return user.is_staff or get_customization('allow_bypass_interlock_on_failure') == 'enabled'
+	return user.is_staff or InterlockCustomization.get('allow_bypass_interlock_on_failure') == 'enabled'
 
 
 def interlock_error(action:str, user:User):
-	error_message = get_customization('tool_interlock_failure_message')
+	error_message = InterlockCustomization.get('tool_interlock_failure_message')
 	dictionary = {
 		"message": linebreaksbr(error_message),
 		"bypass_allowed": interlock_bypass_allowed(user),
@@ -558,10 +561,12 @@ def interlock_error(action:str, user:User):
 
 
 def email_managers_required_questions_disable_tool(tool_user:User, staff_member:User, tool:Tool, questions:List[PostUsageQuestion]):
-	abuse_email_address = get_customization('abuse_email_address')
-	facility_managers = User.objects.filter(is_active=True, is_facility_manager=True).values_list('email', flat=True)
-	facility_name = get_customization('facility_name')
-	ccs = set(tuple([r for r in [staff_member.email, tool.primary_owner.email, *tool.backup_owners.all().values_list('email', flat=True), *facility_managers] if r]))
+	abuse_email_address = EmailsCustomization.get('abuse_email_address')
+	cc_users: List[User] = [staff_member, tool.primary_owner]
+	cc_users.extend(tool.backup_owners.all())
+	cc_users.extend(User.objects.filter(is_active=True, is_facility_manager=True))
+	facility_name = ApplicationCustomization.get('facility_name')
+	ccs = [email for user in cc_users for email in user.get_emails(include_alternate=True)]
 	display_questions = "".join([linebreaksbr(mark_safe(question.render_as_text())) + "<br/><br/>" for question in questions])
 	message = f"""
 Dear {tool_user.get_name()},<br/>
@@ -573,11 +578,12 @@ def email_managers_required_questions_disable_tool(tool_user:User, staff_member:
 <br/>
 {facility_name} Management<br/>
 """
-	send_mail(subject=f"Unanswered post‑usage questions after logoff from the {tool.name}", content=message, from_email=abuse_email_address, to=[tool_user.email], cc=ccs, email_category=EmailCategory.ABUSE)
+	tos = tool_user.get_emails(include_alternate=True)
+	send_mail(subject=f"Unanswered post‑usage questions after logoff from the {tool.name}", content=message, from_email=abuse_email_address, to=tos, cc=ccs, email_category=EmailCategory.ABUSE)
 
 
 def send_tool_usage_counter_email(counter: ToolUsageCounter):
-	user_office_email = get_customization('user_office_email_address')
+	user_office_email = EmailsCustomization.get('user_office_email_address')
 	message = get_media_file_contents('counter_threshold_reached_email.html')
 	if user_office_email and message:
 		subject = f"Warning threshold reached for {counter.tool.name} {counter.name} counter"
diff --git a/NEMO/views/tutorials.py b/NEMO/views/tutorials.py
index e17c5f0a..ef2d10a6 100644
--- a/NEMO/views/tutorials.py
+++ b/NEMO/views/tutorials.py
@@ -1,11 +1,11 @@
 from django.contrib.auth.decorators import login_required
 from django.shortcuts import render
-from django.template import Template, RequestContext, Context
+from django.template import Context, RequestContext, Template
 from django.views.decorators.http import require_http_methods
 
-from NEMO.models import User, Project
-from NEMO.utilities import send_mail, EmailCategory
-from NEMO.views.customization import get_customization, get_media_file_contents
+from NEMO.models import Project, User
+from NEMO.utilities import EmailCategory, send_mail
+from NEMO.views.customization import ApplicationCustomization, EmailsCustomization, get_media_file_contents
 
 
 @login_required
@@ -21,10 +21,10 @@ def facility_rules(request):
 			tutorial = Template(tutorial).render(RequestContext(request, dictionary))
 		return render(request, "facility_rules.html", {"facility_rules_tutorial": tutorial})
 	elif request.method == "POST":
-		facility_name = get_customization("facility_name")
+		facility_name = ApplicationCustomization.get("facility_name")
 		summary = request.POST.get("making_reservations_summary", "").strip()[:3000]
 		dictionary = {"user": request.user, "making_reservations_rule_summary": summary}
-		abuse_email = get_customization("abuse_email_address")
+		abuse_email = EmailsCustomization.get("abuse_email_address")
 		email_contents = get_media_file_contents("facility_rules_tutorial_email.html")
 		if abuse_email and email_contents:
 			message = Template(email_contents, dictionary).render(Context(dictionary))
diff --git a/NEMO/views/usage.py b/NEMO/views/usage.py
index a3f3ef7e..9da37a6b 100644
--- a/NEMO/views/usage.py
+++ b/NEMO/views/usage.py
@@ -24,10 +24,10 @@
 from NEMO.utilities import (
 	BasicDisplayTable,
 	export_format_datetime,
+	extract_optional_beginning_and_end_dates,
 	format_datetime,
 	get_month_timeframe,
 	month_list,
-	parse_start_and_end_date,
 )
 from NEMO.views.api_billing import (
 	BillableItem,
@@ -80,8 +80,8 @@ def get_project_applications():
 
 
 def date_parameters_dictionary(request):
-	if request.GET.get('start_date') and request.GET.get('end_date'):
-		start_date, end_date = parse_start_and_end_date(request.GET.get('start_date'), request.GET.get('end_date'))
+	if request.GET.get('start') and request.GET.get('end'):
+		start_date, end_date = extract_optional_beginning_and_end_dates(request.GET, date_only=True)
 	else:
 		start_date, end_date = get_month_timeframe()
 	kind = request.GET.get("type")
diff --git a/NEMO/views/user_requests.py b/NEMO/views/user_requests.py
index ef55864c..3e784671 100644
--- a/NEMO/views/user_requests.py
+++ b/NEMO/views/user_requests.py
@@ -3,7 +3,7 @@
 from django.views.decorators.http import require_GET
 
 from NEMO.models import PhysicalAccessLevel, User
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import UserRequestsCustomization
 
 
 @login_required
@@ -15,8 +15,8 @@ def user_requests(request, tab: str = None):
 		   and User.objects.filter(is_active=True, is_facility_manager=True).exists()
 		else "buddy"
 	)
-	buddy_requests_title = get_customization("buddy_requests_title")
-	access_requests_title = get_customization("access_requests_title")
+	buddy_requests_title = UserRequestsCustomization.get("buddy_requests_title")
+	access_requests_title = UserRequestsCustomization.get("access_requests_title")
 	dictionary = {
 		"tab": active_tab,
 		"buddy_requests_title": buddy_requests_title,
diff --git a/NEMO/views/users.py b/NEMO/views/users.py
index af406486..d2ca43a4 100644
--- a/NEMO/views/users.py
+++ b/NEMO/views/users.py
@@ -28,7 +28,7 @@
 	record_active_state,
 	record_local_many_to_many_changes,
 )
-from NEMO.views.customization import get_customization
+from NEMO.views.customization import ApplicationCustomization, StatusDashboardCustomization
 from NEMO.views.pagination import SortedPaginator
 from NEMO.views.status_dashboard import show_staff_status
 
@@ -62,7 +62,7 @@ def create_or_modify_user(request, user_id):
 		'tools': Tool.objects.filter(visible=True),
 		'area_access_dict': dict_area,
 		'area_access_levels': area_access_levels,
-		'one_year_from_now': timezone.now() + timedelta(days=365),
+		'one_year_from_now': timezone.localdate() + timedelta(days=365),
 		'identity_service_available': identity_service.get('available', False),
 		'identity_service_domains': identity_service.get('domains', []),
 	}
@@ -72,7 +72,7 @@ def create_or_modify_user(request, user_id):
 		user = None
 
 	timeout = identity_service.get('timeout', 3)
-	site_title = get_customization('site_title')
+	site_title = ApplicationCustomization.get('site_title')
 	if dictionary['identity_service_available']:
 		try:
 			result = requests.get(urljoin(identity_service['url'], '/areas/'), timeout=timeout)
@@ -95,7 +95,9 @@ def create_or_modify_user(request, user_id):
 		dictionary['warning'] = 'The identity service is disabled. You will not be able to modify externally managed physical access levels, reset account passwords, or unlock accounts.'
 
 	if request.method == 'GET':
-		dictionary['form'] = UserForm(instance=user)
+		training_not_required = ApplicationCustomization.get("default_user_training_not_required", raise_exception=False)
+		# Only set training required initial value on new users
+		dictionary['form'] = UserForm(instance=user, initial={"training_required": not training_not_required} if not user else None)
 		try:
 			if dictionary['identity_service_available'] and user and user.is_active and user.domain:
 				parameters = {
@@ -345,15 +347,18 @@ def unlock_account(request, user_id):
 @require_http_methods(['GET', 'POST'])
 def user_preferences(request):
 	user: User = User.objects.get(pk=request.user.id)
-	user_view_options = get_customization("dashboard_staff_status_user_view")
-	staff_view_options = get_customization("dashboard_staff_status_staff_view")
+	user_view_options = StatusDashboardCustomization.get("dashboard_staff_status_user_view")
+	staff_view_options = StatusDashboardCustomization.get("dashboard_staff_status_staff_view")
 	user_view = user_view_options if not user.is_staff else staff_view_options if not user.is_facility_manager else ''
 	if request.method == 'POST':
 		form = UserPreferencesForm(data=request.POST, instance=user.preferences)
 		if form.is_valid():
 			form.save()
 			messages.success(request, "Your preferences have been saved")
+	else:
+		form = UserPreferencesForm(instance=user.preferences)
 	dictionary = {
+		'form': form,
 		'user_preferences': user.get_preferences(),
 		'user_view': user_view,
 		'show_staff_status': show_staff_status(request),
diff --git a/NEMO/widgets/item_tree.py b/NEMO/widgets/item_tree.py
index 831ad5f1..1c59cdf7 100644
--- a/NEMO/widgets/item_tree.py
+++ b/NEMO/widgets/item_tree.py
@@ -3,9 +3,9 @@
 from django.forms import Widget
 from django.utils.safestring import mark_safe
 
-from NEMO.model_tree import get_area_model_tree, TreeItem
-from NEMO.models import User, Tool, ReservationItemType
-from NEMO.views.customization import get_customization
+from NEMO.model_tree import TreeItem, get_area_model_tree
+from NEMO.models import ReservationItemType, Tool, User
+from NEMO.views.customization import CalendarCustomization
 
 
 class ItemTree(Widget):
@@ -60,7 +60,7 @@ def render(self, name, value, attrs=None, renderer=None):
 			area_tree_items = list(area_tree_items)
 			area_tree_items.sort(key=lambda area: area.tree_category)
 
-		display_all_areas = get_customization('calendar_display_not_qualified_areas') == 'enabled'
+		display_all_areas = CalendarCustomization.get('calendar_display_not_qualified_areas') == 'enabled'
 		for area in area_tree_items:
 			category = area.tree_category + '/' if area.tree_category else ''
 			is_qualified = True if not display_all_areas else (user and user.is_staff) or (user and area.item in user_accessible_areas)
diff --git a/README.md b/README.md
index ca2f22b5..98e47810 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,34 @@
 The NEMO web application is laboratory logistics software that strives to be intuitive and easy to use, making life easier in the lab. NEMO manages tool reservations, control access to tools, and streamline logistics and communication. The code is open source and free so that other labs can benefit.
 
+# Online demo
+An online version of the splash pad is available at [https://nemo.nist.gov/demo](https://nemo.nist.gov/demo).
+
+### User roles
+You will be automatically logged in as superadmin "captain".<br>
+Use the [impersonate](https://nemo.nist.gov/demo/impersonate) feature to switch between user roles:
+* `Captain Nemo`: super admin
+* `Pierre Aronnax`: staff member
+* `Ned Land`: regular user
+
+### Jumbotron
+The jumbotron is available at [https://nemo.nist.gov/demo/jumbotron/](https://nemo.nist.gov/demo/jumbotron/)
+
+### Kiosk/Area access
+You can test the kiosk and area access features by going to the following URLs:
+* [entry door](https://nemo.nist.gov/demo/welcome_screen/1/?occupancy=Cleanroom)
+* [exit door](https://nemo.nist.gov/demo/farewell_screen/1/?occupancy=Cleanroom)
+* [kiosk](https://nemo.nist.gov/demo/kiosk/NanoFab/?occupancy=Cleanroom)
+
+To simulate the badge reader, press `F2` then the badge number (`1` for captain, `2` for professor, `3` for ned) and press `F2` again.
+
+# On premise demo
 You can try NEMO out using the "[splash pad](https://hub.docker.com/r/nanofab/nemo_splash_pad/)" Docker image, which comes preconfigured and loaded with sample data. Install [Docker Community Edition (CE)](https://www.docker.com/community-edition) and run this command:  
 `docker run --detach --name nemo_splash_pad --publish 8000:8000 nanofab/nemo_splash_pad`  
 ... then open a web browser to http://localhost:8000. You can stop and remove the NEMO splash pad with the command:  
 `docker rm --force nemo_splash_pad`
 
+# Documentation
+
 Documentation for NEMO resides in the [GitHub wiki](https://github.com/usnistgov/NEMO/wiki).
 
 You can also download the latest [NEMO Feature Manual](https://github.com/usnistgov/NEMO/raw/master/documentation/NEMO_Feature_Manual.pdf).
diff --git a/documentation/NEMO_Feature_Manual.pdf b/documentation/NEMO_Feature_Manual.pdf
index f518f0fc..009858a8 100644
Binary files a/documentation/NEMO_Feature_Manual.pdf and b/documentation/NEMO_Feature_Manual.pdf differ
diff --git a/resources/fixtures/splash_pad.json b/resources/fixtures/splash_pad.json
index 0f573522..3de6c231 100644
--- a/resources/fixtures/splash_pad.json
+++ b/resources/fixtures/splash_pad.json
@@ -44,6 +44,19 @@
       "allow_user_request": true
     }
   },
+  {
+    "model": "NEMO.physicalaccesslevel",
+    "pk": 2,
+    "fields": {
+      "name": "Cleanroom access weekdays",
+      "area": 1,
+      "schedule": 1,
+      "weekdays_start_time": "07:00:00",
+      "weekdays_end_time": "19:00:00",
+      "allow_staff_access": false,
+      "allow_user_request": false
+    }
+  },
   {
     "model": "NEMO.temporaryphysicalaccessrequest",
     "pk": 1,
@@ -59,7 +72,9 @@
       "status": 0,
       "reviewer": null,
       "deleted": false,
-      "other_users": [2]
+      "other_users": [
+        2
+      ]
     }
   },
   {
@@ -216,7 +231,7 @@
       "email": "captain.nemo@nautilus.com",
       "type": 3,
       "domain": "",
-      "badge_number": null,
+      "badge_number": "1",
       "access_expiration": null,
       "is_active": true,
       "is_staff": true,
@@ -231,8 +246,16 @@
       "physical_access_levels": [],
       "groups": [],
       "user_permissions": [],
-      "qualifications": [1, 2, 3],
-      "projects": [1, 2, 3]
+      "qualifications": [
+        1,
+        2,
+        3
+      ],
+      "projects": [
+        1,
+        2,
+        3
+      ]
     }
   },
   {
@@ -245,10 +268,10 @@
       "email": "pierre.aronnax@nautilus.com",
       "type": 2,
       "domain": "",
-      "badge_number": null,
-      "access_expiration": "2014-09-09",
+      "badge_number": "2",
+      "access_expiration": null,
       "is_active": true,
-      "is_staff": false,
+      "is_staff": true,
       "is_service_personnel": false,
       "is_technician": false,
       "is_facility_manager": false,
@@ -260,8 +283,16 @@
       "physical_access_levels": [],
       "groups": [],
       "user_permissions": [],
-      "qualifications": [1, 2, 3],
-      "projects": [1, 2, 3]
+      "qualifications": [
+        1,
+        2,
+        3
+      ],
+      "projects": [
+        1,
+        2,
+        3
+      ]
     }
   },
   {
@@ -274,7 +305,7 @@
       "email": "ned.land@nautilus.com",
       "type": 1,
       "domain": "",
-      "badge_number": null,
+      "badge_number": "3",
       "access_expiration": "2014-09-09",
       "is_active": true,
       "is_staff": false,
@@ -289,116 +320,5510 @@
       "physical_access_levels": [],
       "groups": [],
       "user_permissions": [],
-      "qualifications": [1, 2, 3],
-      "projects": [1, 2, 3]
+      "qualifications": [
+        1,
+        2,
+        3,
+        50,
+        53,
+        62,
+        83,
+        88,
+        91,
+        96,
+        101,
+        261,
+        361,
+        382,
+        761,
+        986,
+        1021
+      ],
+      "projects": [
+        1,
+        2,
+        3
+      ]
+    }
+  },
+  {
+    "model": "NEMO.tool",
+    "pk": 1,
+    "fields": {
+      "name": "Sinter",
+      "parent_tool": null,
+      "visible": true,
+      "_description": null,
+      "_serial": null,
+      "_image": "",
+      "_category": "Gen Furnaces",
+      "_operational": false,
+      "_primary_owner": 1,
+      "_location": "NanoFab",
+      "_phone_number": "x1234",
+      "_notification_email_address": "service@nautilus.com",
+      "_interlock": null,
+      "_requires_area_access": null,
+      "_grant_physical_access_level_upon_qualification": null,
+      "_grant_badge_reader_access_upon_qualification": null,
+      "_reservation_horizon": 14,
+      "_minimum_usage_block_time": null,
+      "_maximum_usage_block_time": null,
+      "_maximum_reservations_per_day": null,
+      "_minimum_time_between_reservations": null,
+      "_maximum_future_reservation_time": null,
+      "_missed_reservation_threshold": null,
+      "_allow_delayed_logoff": false,
+      "_post_usage_questions": null,
+      "_policy_off_between_times": false,
+      "_policy_off_start_time": null,
+      "_policy_off_end_time": null,
+      "_policy_off_weekend": false,
+      "_backup_owners": [
+        1,
+        2,
+        3
+      ]
+    }
+  },
+  {
+    "model": "NEMO.tool",
+    "pk": 2,
+    "fields": {
+      "name": "PECVD",
+      "parent_tool": null,
+      "visible": true,
+      "_description": "Plasma-enhanced chemical vapor deposition (PECVD) is a chemical vapor deposition process used to deposit thin films from a gas state (vapor) to a solid state on a substrate. <br>\r\nChemical reactions are involved in the process, which occur after creation of a plasma of the reacting gases. <br><br>\r\n\r\nThe plasma is generally created by radio frequency (RF) (alternating current (AC)) frequency or direct current (DC) discharge between two electrodes, the space between which is filled with the reacting gases.",
+      "_serial": "21gh3123g12j31h",
+      "_image": "tool_images/pecvd.jpeg",
+      "_category": "Chemical Vapor Deposition",
+      "_operational": true,
+      "_primary_owner": 1,
+      "_location": "NanoFab",
+      "_phone_number": "x1234",
+      "_notification_email_address": "service@nautilus.com",
+      "_interlock": null,
+      "_requires_area_access": null,
+      "_grant_physical_access_level_upon_qualification": null,
+      "_grant_badge_reader_access_upon_qualification": null,
+      "_reservation_horizon": 14,
+      "_minimum_usage_block_time": null,
+      "_maximum_usage_block_time": null,
+      "_maximum_reservations_per_day": null,
+      "_minimum_time_between_reservations": null,
+      "_maximum_future_reservation_time": null,
+      "_missed_reservation_threshold": null,
+      "_allow_delayed_logoff": false,
+      "_post_usage_questions": null,
+      "_policy_off_between_times": false,
+      "_policy_off_start_time": null,
+      "_policy_off_end_time": null,
+      "_policy_off_weekend": false,
+      "_backup_owners": [
+        1,
+        2,
+        3
+      ]
+    }
+  },
+  {
+    "model": "NEMO.tool",
+    "pk": 3,
+    "fields": {
+      "name": "Dicing saw",
+      "parent_tool": null,
+      "visible": true,
+      "_description": "The Disco DAD-341 dicing saw is used to cut multi-device substrates into individual chips. The system can accommodate substrates up to 4 mm thick and supports sizes ranging from 200 mm diameter wafers down to small pieces.",
+      "_serial": null,
+      "_image": "tool_images/dicing_saw.png",
+      "_category": "Packaging",
+      "_operational": true,
+      "_primary_owner": 1,
+      "_location": "NanoFab",
+      "_phone_number": "x1234",
+      "_notification_email_address": "service@nautilus.com",
+      "_interlock": null,
+      "_requires_area_access": 1,
+      "_grant_physical_access_level_upon_qualification": null,
+      "_grant_badge_reader_access_upon_qualification": null,
+      "_reservation_horizon": 14,
+      "_minimum_usage_block_time": null,
+      "_maximum_usage_block_time": null,
+      "_maximum_reservations_per_day": null,
+      "_minimum_time_between_reservations": null,
+      "_maximum_future_reservation_time": null,
+      "_missed_reservation_threshold": null,
+      "_allow_delayed_logoff": false,
+      "_post_usage_questions": null,
+      "_policy_off_between_times": false,
+      "_policy_off_start_time": null,
+      "_policy_off_end_time": null,
+      "_policy_off_weekend": false,
+      "_backup_owners": [
+        1,
+        2,
+        3
+      ]
+    }
+  },
+  {
+    "model": "NEMO.tool",
+    "pk": 27,
+    "fields": {
+      "name": "Atomic Layer Deposition",
+      "parent_tool": null,
+      "visible": true,
+      "_description": "",
+      "_serial": "",
+      "_image": "",
+      "_tool_calendar_color": "#33ad33",
+      "_category": "Chemical Vapor Deposition",
+      "_operational": true,
+      "_primary_owner": 1,
+      "_location": "215/A106",
+      "_phone_number": "x3557",
+      "_notification_email_address": "service@nautilus.com",
+      "_interlock": null,
+      "_requires_area_access": null,
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+      "_minimum_time_between_reservations": null,
+      "_maximum_future_reservation_time": 540,
+      "_missed_reservation_threshold": 30,
+      "_allow_delayed_logoff": false,
+      "_post_usage_questions": "",
+      "_policy_off_between_times": true,
+      "_policy_off_start_time": "18:00:00",
+      "_policy_off_end_time": "08:00:00",
+      "_policy_off_weekend": true,
+      "_backup_owners": [
+        2,
+        3
+      ]
     }
   },
   {
@@ -416,7 +5841,11 @@
       "qualified_users_are_maintainers": false,
       "exclude_from_configuration_agenda": false,
       "absence_string": null,
-      "maintainers": [1, 2, 3]
+      "maintainers": [
+        1,
+        2,
+        3
+      ]
     }
   },
   {
@@ -428,7 +5857,7 @@
       "category": null,
       "abuse_email": "",
       "reservation_email": "",
-      "welcome_message": "Welcome to the cleanroom!",
+      "welcome_message": "<h2><center>Welcome to the cleanroom!</center></h2>",
       "requires_reservation": true,
       "logout_grace_period": null,
       "buddy_system_allowed": true,
@@ -573,10 +6002,12 @@
     "pk": 1,
     "fields": {
       "name": "Sample question",
-      "questions": "[\r\n    {\r\n        \"type\": \"textbox\",\r\n        \"name\": \"sample_name\",\r\n        \"max-width\": \"350\",\r\n        \"required\": true,\r\n        \"title\": \"<em>Sample Name / PID: </em>\",\r\n        \"help\": \"Write in a sample name, or paste a persistent identifier (PID) for your specimen\"\r\n    }\r\n]",
+      "questions": "[\r\n    {\r\n        \"type\": \"textbox\",\r\n        \"name\": \"sample_name\",\r\n        \"max-width\": \"350\",\r\n        \"required\": true,\r\n        \"title_html\": \"<em>Sample Name / PID: </em>\",\n        \"title\": \"Sample Name / PID\",\r\n        \"help\": \"Write in a sample name, or paste a persistent identifier (PID) for your specimen\"\r\n    }\r\n]",
       "tool_reservations": true,
       "area_reservations": false,
-      "only_for_tools": [],
+      "only_for_tools": [
+        1
+      ],
       "only_for_areas": [],
       "only_for_projects": []
     }
@@ -621,6 +6052,32 @@
       "reminder_threshold_reached": false
     }
   },
+  {
+    "model": "NEMO.interlockcard",
+    "pk": 1,
+    "fields": {
+      "name": "Interlock card",
+      "server": "localhost",
+      "port": 123,
+      "number": null,
+      "even_port": null,
+      "odd_port": null,
+      "category": 4,
+      "username": null,
+      "password": null,
+      "enabled": true
+    }
+  },
+  {
+    "model": "NEMO.interlock",
+    "pk": 1,
+    "fields": {
+      "card": 1,
+      "channel": 3,
+      "state": -1,
+      "most_recent_reply": "None"
+    }
+  },
   {
     "model": "NEMO.interlockcardcategory",
     "pk": 1,
@@ -645,6 +6102,14 @@
       "key": "proxr"
     }
   },
+  {
+    "model": "NEMO.interlockcardcategory",
+    "pk": 4,
+    "fields": {
+      "name": "ModbusTcp",
+      "key": "modbus_tcp"
+    }
+  },
   {
     "model": "NEMO.task",
     "pk": 1,
@@ -747,7 +6212,11 @@
       "category": 1,
       "available": true,
       "restriction_message": "The NanoFab is closed.",
-      "fully_dependent_tools": [1, 2, 3],
+      "fully_dependent_tools": [
+        1,
+        2,
+        3
+      ],
       "partially_dependent_tools": [],
       "dependent_areas": []
     }
@@ -760,13 +6229,25 @@
       "category": 2,
       "available": true,
       "restriction_message": "No more oxygen!",
-      "fully_dependent_tools": [2, 3],
+      "fully_dependent_tools": [
+        2,
+        3
+      ],
       "partially_dependent_tools": [
         1
       ],
       "dependent_areas": []
     }
   },
+  {
+    "model": "NEMO.door",
+    "pk": 1,
+    "fields": {
+      "name": "Cleanroom door",
+      "area": 1,
+      "interlock": 1
+    }
+  },
   {
     "model": "NEMO.alert",
     "pk": 1,
@@ -851,7 +6332,10 @@
     "fields": {
       "user": 1,
       "expiration": "2099-02-24T04:59:59.999Z",
-      "content_type": ["NEMO", "buddyrequest"],
+      "content_type": [
+        "NEMO",
+        "buddyrequest"
+      ],
       "object_id": 1
     }
   },
@@ -861,7 +6345,10 @@
     "fields": {
       "user": 2,
       "expiration": "2099-02-24T04:59:59.999Z",
-      "content_type": ["NEMO", "buddyrequest"],
+      "content_type": [
+        "NEMO",
+        "buddyrequest"
+      ],
       "object_id": 1
     }
   },
@@ -871,17 +6358,23 @@
     "fields": {
       "user": 2,
       "expiration": "2099-02-24T04:59:59.999Z",
-      "content_type": ["NEMO", "temporaryphysicalaccessrequest"],
+      "content_type": [
+        "NEMO",
+        "temporaryphysicalaccessrequest"
+      ],
       "object_id": 1
     }
   },
-   {
+  {
     "model": "NEMO.notification",
     "pk": 4,
     "fields": {
       "user": 1,
       "expiration": "2099-02-24T04:59:59.999Z",
-      "content_type": ["NEMO", "temporaryphysicalaccessrequest"],
+      "content_type": [
+        "NEMO",
+        "temporaryphysicalaccessrequest"
+      ],
       "object_id": 1
     }
   },
@@ -898,6 +6391,7 @@
       "hide_from_mobile_devices": false,
       "hide_from_desktop_computers": false,
       "hide_from_users": false,
+      "hide_from_staff": false,
       "notifications": null
     }
   },
@@ -914,6 +6408,7 @@
       "hide_from_mobile_devices": false,
       "hide_from_desktop_computers": false,
       "hide_from_users": false,
+      "hide_from_staff": false,
       "notifications": null
     }
   },
@@ -930,6 +6425,7 @@
       "hide_from_mobile_devices": false,
       "hide_from_desktop_computers": false,
       "hide_from_users": false,
+      "hide_from_staff": false,
       "notifications": null
     }
   },
@@ -946,6 +6442,7 @@
       "hide_from_mobile_devices": false,
       "hide_from_desktop_computers": false,
       "hide_from_users": false,
+      "hide_from_staff": false,
       "notifications": "safetyissue"
     }
   },
@@ -962,6 +6459,7 @@
       "hide_from_mobile_devices": false,
       "hide_from_desktop_computers": false,
       "hide_from_users": false,
+      "hide_from_staff": false,
       "notifications": null
     }
   },
@@ -978,6 +6476,7 @@
       "hide_from_mobile_devices": false,
       "hide_from_desktop_computers": false,
       "hide_from_users": false,
+      "hide_from_staff": false,
       "notifications": null
     }
   },
@@ -1010,6 +6509,7 @@
       "hide_from_mobile_devices": false,
       "hide_from_desktop_computers": false,
       "hide_from_users": false,
+      "hide_from_staff": false,
       "notifications": null
     }
   },
@@ -1026,9 +6526,45 @@
       "hide_from_mobile_devices": false,
       "hide_from_desktop_computers": false,
       "hide_from_users": false,
+      "hide_from_staff": false,
       "notifications": "news"
     }
   },
+  {
+    "model": "NEMO.customization",
+    "pk": "self_log_in",
+    "fields": {
+      "value": "enabled"
+    }
+  },
+  {
+    "model": "NEMO.customization",
+    "pk": "self_log_out",
+    "fields": {
+      "value": "enabled"
+    }
+  },
+  {
+    "model": "NEMO.customization",
+    "pk": "calendar_login_logout",
+    "fields": {
+      "value": "enabled"
+    }
+  },
+  {
+    "model": "NEMO.customization",
+    "pk": "calendar_all_tools",
+    "fields": {
+      "value": "enabled"
+    }
+  },
+  {
+    "model": "NEMO.customization",
+    "pk": "sensor_default_daterange",
+    "fields": {
+      "value": "last_year"
+    }
+  },
   {
     "model": "NEMO.news",
     "pk": 1,
@@ -1066,10 +6602,10 @@
       "title": "Chapter 3: I Form My Resolution",
       "pinned": false,
       "created": "2018-09-26T16:22:04.841Z",
-      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nThree seconds before the arrival of J. B. Hobson's letter I no more thought of pursuing the unicorn than of attempting the passage of the North Sea. Three seconds after reading the letter of the honourable Secretary of Marine, I felt that my true vocation, the sole end of my life, was to chase this disturbing monster and purge it from the world.\r\n\r\nBut I had just returned from a fatiguing journey, weary and longing for repose. I aspired to nothing more than again seeing my country, my friends, my little lodging by the Jardin des Plantes, my dear and precious collections\u2014but nothing could keep me back! I forgot all\u2014fatigue, friends and collections\u2014and accepted without hesitation the offer of the American Government.\r\n\r\n\"Besides,\" thought I, \"all roads lead back to Europe; and the unicorn may be amiable enough to hurry me towards the coast of France. This worthy animal may allow itself to be caught in the seas of Europe (for my particular benefit), and I will not bring back less than half a yard of his ivory halberd to the Museum of Natural History.\" But in the meanwhile I must seek this narwhal in the North Pacific Ocean, which, to return to France, was taking the road to the antipodes.",
-      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nThree seconds before the arrival of J. B. Hobson's letter I no more thought of pursuing the unicorn than of attempting the passage of the North Sea. Three seconds after reading the letter of the honourable Secretary of Marine, I felt that my true vocation, the sole end of my life, was to chase this disturbing monster and purge it from the world.\r\n\r\nBut I had just returned from a fatiguing journey, weary and longing for repose. I aspired to nothing more than again seeing my country, my friends, my little lodging by the Jardin des Plantes, my dear and precious collections\u2014but nothing could keep me back! I forgot all\u2014fatigue, friends and collections\u2014and accepted without hesitation the offer of the American Government.\r\n\r\n\"Besides,\" thought I, \"all roads lead back to Europe; and the unicorn may be amiable enough to hurry me towards the coast of France. This worthy animal may allow itself to be caught in the seas of Europe (for my particular benefit), and I will not bring back less than half a yard of his ivory halberd to the Museum of Natural History.\" But in the meanwhile I must seek this narwhal in the North Pacific Ocean, which, to return to France, was taking the road to the antipodes.",
+      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nThree seconds before the arrival of J. B. Hobson's letter I no more thought of pursuing the unicorn than of attempting the passage of the North Sea. Three seconds after reading the letter of the honourable Secretary of Marine, I felt that my true vocation, the sole end of my life, was to chase this disturbing monster and purge it from the world.\r\n\r\nBut I had just returned from a fatiguing journey, weary and longing for repose. I aspired to nothing more than again seeing my country, my friends, my little lodging by the Jardin des Plantes, my dear and precious collections—but nothing could keep me back! I forgot all—fatigue, friends and collections—and accepted without hesitation the offer of the American Government.\r\n\r\n\"Besides,\" thought I, \"all roads lead back to Europe; and the unicorn may be amiable enough to hurry me towards the coast of France. This worthy animal may allow itself to be caught in the seas of Europe (for my particular benefit), and I will not bring back less than half a yard of his ivory halberd to the Museum of Natural History.\" But in the meanwhile I must seek this narwhal in the North Pacific Ocean, which, to return to France, was taking the road to the antipodes.",
+      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nThree seconds before the arrival of J. B. Hobson's letter I no more thought of pursuing the unicorn than of attempting the passage of the North Sea. Three seconds after reading the letter of the honourable Secretary of Marine, I felt that my true vocation, the sole end of my life, was to chase this disturbing monster and purge it from the world.\r\n\r\nBut I had just returned from a fatiguing journey, weary and longing for repose. I aspired to nothing more than again seeing my country, my friends, my little lodging by the Jardin des Plantes, my dear and precious collections—but nothing could keep me back! I forgot all—fatigue, friends and collections—and accepted without hesitation the offer of the American Government.\r\n\r\n\"Besides,\" thought I, \"all roads lead back to Europe; and the unicorn may be amiable enough to hurry me towards the coast of France. This worthy animal may allow itself to be caught in the seas of Europe (for my particular benefit), and I will not bring back less than half a yard of his ivory halberd to the Museum of Natural History.\" But in the meanwhile I must seek this narwhal in the North Pacific Ocean, which, to return to France, was taking the road to the antipodes.",
       "last_updated": "2018-09-26T16:22:04.841Z",
-      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nThree seconds before the arrival of J. B. Hobson's letter I no more thought of pursuing the unicorn than of attempting the passage of the North Sea. Three seconds after reading the letter of the honourable Secretary of Marine, I felt that my true vocation, the sole end of my life, was to chase this disturbing monster and purge it from the world.\r\n\r\nBut I had just returned from a fatiguing journey, weary and longing for repose. I aspired to nothing more than again seeing my country, my friends, my little lodging by the Jardin des Plantes, my dear and precious collections\u2014but nothing could keep me back! I forgot all\u2014fatigue, friends and collections\u2014and accepted without hesitation the offer of the American Government.\r\n\r\n\"Besides,\" thought I, \"all roads lead back to Europe; and the unicorn may be amiable enough to hurry me towards the coast of France. This worthy animal may allow itself to be caught in the seas of Europe (for my particular benefit), and I will not bring back less than half a yard of his ivory halberd to the Museum of Natural History.\" But in the meanwhile I must seek this narwhal in the North Pacific Ocean, which, to return to France, was taking the road to the antipodes.",
+      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nThree seconds before the arrival of J. B. Hobson's letter I no more thought of pursuing the unicorn than of attempting the passage of the North Sea. Three seconds after reading the letter of the honourable Secretary of Marine, I felt that my true vocation, the sole end of my life, was to chase this disturbing monster and purge it from the world.\r\n\r\nBut I had just returned from a fatiguing journey, weary and longing for repose. I aspired to nothing more than again seeing my country, my friends, my little lodging by the Jardin des Plantes, my dear and precious collections—but nothing could keep me back! I forgot all—fatigue, friends and collections—and accepted without hesitation the offer of the American Government.\r\n\r\n\"Besides,\" thought I, \"all roads lead back to Europe; and the unicorn may be amiable enough to hurry me towards the coast of France. This worthy animal may allow itself to be caught in the seas of Europe (for my particular benefit), and I will not bring back less than half a yard of his ivory halberd to the Museum of Natural History.\" But in the meanwhile I must seek this narwhal in the North Pacific Ocean, which, to return to France, was taking the road to the antipodes.",
       "archived": true,
       "update_count": 0
     }
@@ -1081,10 +6617,10 @@
       "title": "Chapter 4: Ned Land",
       "pinned": false,
       "created": "2018-09-26T16:22:32.231Z",
-      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nCaptain Farragut was a good seaman, worthy of the frigate he commanded. His vessel and he were one. He was the soul of it. On the question of the monster there was no doubt in his mind, and he would not allow the existence of the animal to be disputed on board. He believed in it, as certain good women believe in the leviathan\u2014by faith, not by reason. The monster did exist, and he had sworn to rid the seas of it. Either Captain Farragut would kill the narwhal, or the narwhal would kill the captain. There was no third course.",
-      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nCaptain Farragut was a good seaman, worthy of the frigate he commanded. His vessel and he were one. He was the soul of it. On the question of the monster there was no doubt in his mind, and he would not allow the existence of the animal to be disputed on board. He believed in it, as certain good women believe in the leviathan\u2014by faith, not by reason. The monster did exist, and he had sworn to rid the seas of it. Either Captain Farragut would kill the narwhal, or the narwhal would kill the captain. There was no third course.",
+      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nCaptain Farragut was a good seaman, worthy of the frigate he commanded. His vessel and he were one. He was the soul of it. On the question of the monster there was no doubt in his mind, and he would not allow the existence of the animal to be disputed on board. He believed in it, as certain good women believe in the leviathan—by faith, not by reason. The monster did exist, and he had sworn to rid the seas of it. Either Captain Farragut would kill the narwhal, or the narwhal would kill the captain. There was no third course.",
+      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nCaptain Farragut was a good seaman, worthy of the frigate he commanded. His vessel and he were one. He was the soul of it. On the question of the monster there was no doubt in his mind, and he would not allow the existence of the animal to be disputed on board. He believed in it, as certain good women believe in the leviathan—by faith, not by reason. The monster did exist, and he had sworn to rid the seas of it. Either Captain Farragut would kill the narwhal, or the narwhal would kill the captain. There was no third course.",
       "last_updated": "2018-09-26T16:22:32.231Z",
-      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nCaptain Farragut was a good seaman, worthy of the frigate he commanded. His vessel and he were one. He was the soul of it. On the question of the monster there was no doubt in his mind, and he would not allow the existence of the animal to be disputed on board. He believed in it, as certain good women believe in the leviathan\u2014by faith, not by reason. The monster did exist, and he had sworn to rid the seas of it. Either Captain Farragut would kill the narwhal, or the narwhal would kill the captain. There was no third course.",
+      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:22 PM by Captain Nemo (captain):\nCaptain Farragut was a good seaman, worthy of the frigate he commanded. His vessel and he were one. He was the soul of it. On the question of the monster there was no doubt in his mind, and he would not allow the existence of the animal to be disputed on board. He believed in it, as certain good women believe in the leviathan—by faith, not by reason. The monster did exist, and he had sworn to rid the seas of it. Either Captain Farragut would kill the narwhal, or the narwhal would kill the captain. There was no third course.",
       "archived": true,
       "update_count": 0
     }
@@ -1111,10 +6647,10 @@
       "title": "Chapter 6: At Full Steam",
       "pinned": false,
       "created": "2018-09-26T16:23:15.994Z",
-      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:23 PM by Captain Nemo (captain):\nAt this cry the whole ship's crew hurried towards the harpooner\u2014commander, officers, masters, sailors, cabin boys; even the engineers left their engines, and the stokers their furnaces.\r\n\r\nThe order to stop her had been given, and the frigate now simply went on by her own momentum. The darkness was then profound, and, however good the Canadian's eyes were, I asked myself how he had managed to see, and what he had been able to see. My heart beat as if it would break. But Ned Land was not mistaken, and we all perceived the object he pointed to. At two cables' length from the Abraham Lincoln, on the starboard quarter, the sea seemed to be illuminated all over. It was not a mere phosphoric phenomenon. The monster emerged some fathoms from the water, and then threw out that very intense but mysterious light mentioned in the report of several captains. This magnificent irradiation must have been produced by an agent of great SHINING power. The luminous part traced on the sea an immense oval, much elongated, the centre of which condensed a burning heat, whose overpowering brilliancy died out by successive gradations.",
-      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:23 PM by Captain Nemo (captain):\nAt this cry the whole ship's crew hurried towards the harpooner\u2014commander, officers, masters, sailors, cabin boys; even the engineers left their engines, and the stokers their furnaces.\r\n\r\nThe order to stop her had been given, and the frigate now simply went on by her own momentum. The darkness was then profound, and, however good the Canadian's eyes were, I asked myself how he had managed to see, and what he had been able to see. My heart beat as if it would break. But Ned Land was not mistaken, and we all perceived the object he pointed to. At two cables' length from the Abraham Lincoln, on the starboard quarter, the sea seemed to be illuminated all over. It was not a mere phosphoric phenomenon. The monster emerged some fathoms from the water, and then threw out that very intense but mysterious light mentioned in the report of several captains. This magnificent irradiation must have been produced by an agent of great SHINING power. The luminous part traced on the sea an immense oval, much elongated, the centre of which condensed a burning heat, whose overpowering brilliancy died out by successive gradations.",
+      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:23 PM by Captain Nemo (captain):\nAt this cry the whole ship's crew hurried towards the harpooner—commander, officers, masters, sailors, cabin boys; even the engineers left their engines, and the stokers their furnaces.\r\n\r\nThe order to stop her had been given, and the frigate now simply went on by her own momentum. The darkness was then profound, and, however good the Canadian's eyes were, I asked myself how he had managed to see, and what he had been able to see. My heart beat as if it would break. But Ned Land was not mistaken, and we all perceived the object he pointed to. At two cables' length from the Abraham Lincoln, on the starboard quarter, the sea seemed to be illuminated all over. It was not a mere phosphoric phenomenon. The monster emerged some fathoms from the water, and then threw out that very intense but mysterious light mentioned in the report of several captains. This magnificent irradiation must have been produced by an agent of great SHINING power. The luminous part traced on the sea an immense oval, much elongated, the centre of which condensed a burning heat, whose overpowering brilliancy died out by successive gradations.",
+      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:23 PM by Captain Nemo (captain):\nAt this cry the whole ship's crew hurried towards the harpooner—commander, officers, masters, sailors, cabin boys; even the engineers left their engines, and the stokers their furnaces.\r\n\r\nThe order to stop her had been given, and the frigate now simply went on by her own momentum. The darkness was then profound, and, however good the Canadian's eyes were, I asked myself how he had managed to see, and what he had been able to see. My heart beat as if it would break. But Ned Land was not mistaken, and we all perceived the object he pointed to. At two cables' length from the Abraham Lincoln, on the starboard quarter, the sea seemed to be illuminated all over. It was not a mere phosphoric phenomenon. The monster emerged some fathoms from the water, and then threw out that very intense but mysterious light mentioned in the report of several captains. This magnificent irradiation must have been produced by an agent of great SHINING power. The luminous part traced on the sea an immense oval, much elongated, the centre of which condensed a burning heat, whose overpowering brilliancy died out by successive gradations.",
       "last_updated": "2018-09-26T16:23:15.994Z",
-      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:23 PM by Captain Nemo (captain):\nAt this cry the whole ship's crew hurried towards the harpooner\u2014commander, officers, masters, sailors, cabin boys; even the engineers left their engines, and the stokers their furnaces.\r\n\r\nThe order to stop her had been given, and the frigate now simply went on by her own momentum. The darkness was then profound, and, however good the Canadian's eyes were, I asked myself how he had managed to see, and what he had been able to see. My heart beat as if it would break. But Ned Land was not mistaken, and we all perceived the object he pointed to. At two cables' length from the Abraham Lincoln, on the starboard quarter, the sea seemed to be illuminated all over. It was not a mere phosphoric phenomenon. The monster emerged some fathoms from the water, and then threw out that very intense but mysterious light mentioned in the report of several captains. This magnificent irradiation must have been produced by an agent of great SHINING power. The luminous part traced on the sea an immense oval, much elongated, the centre of which condensed a burning heat, whose overpowering brilliancy died out by successive gradations.",
+      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:23 PM by Captain Nemo (captain):\nAt this cry the whole ship's crew hurried towards the harpooner—commander, officers, masters, sailors, cabin boys; even the engineers left their engines, and the stokers their furnaces.\r\n\r\nThe order to stop her had been given, and the frigate now simply went on by her own momentum. The darkness was then profound, and, however good the Canadian's eyes were, I asked myself how he had managed to see, and what he had been able to see. My heart beat as if it would break. But Ned Land was not mistaken, and we all perceived the object he pointed to. At two cables' length from the Abraham Lincoln, on the starboard quarter, the sea seemed to be illuminated all over. It was not a mere phosphoric phenomenon. The monster emerged some fathoms from the water, and then threw out that very intense but mysterious light mentioned in the report of several captains. This magnificent irradiation must have been produced by an agent of great SHINING power. The luminous part traced on the sea an immense oval, much elongated, the centre of which condensed a burning heat, whose overpowering brilliancy died out by successive gradations.",
       "archived": true,
       "update_count": 0
     }
@@ -1156,10 +6692,10 @@
       "title": "Chapter 9: Ned Land's Tempers",
       "pinned": false,
       "created": "2018-09-26T16:25:28.726Z",
-      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:25 PM by Captain Nemo (captain):\nHow long we slept I do not know; but our sleep must have lasted long, for it rested us completely from our fatigues. I woke first. My companions had not moved, and were still stretched in their corner.\r\n\r\nHardly roused from my somewhat hard couch, I felt my brain freed, my mind clear. I then began an attentive examination of our cell. Nothing was changed inside. The prison was still a prison\u2014the prisoners, prisoners. However, the steward, during our sleep, had cleared the table. I breathed with difficulty. The heavy air seemed to oppress my lungs. Although the cell was large, we had evidently consumed a great part of the oxygen that it contained. Indeed, each man consumes, in one hour, the oxygen contained in more than 176 pints of air, and this air, charged (as then) with a nearly equal quantity of carbonic acid, becomes unbreathable.",
-      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:25 PM by Captain Nemo (captain):\nHow long we slept I do not know; but our sleep must have lasted long, for it rested us completely from our fatigues. I woke first. My companions had not moved, and were still stretched in their corner.\r\n\r\nHardly roused from my somewhat hard couch, I felt my brain freed, my mind clear. I then began an attentive examination of our cell. Nothing was changed inside. The prison was still a prison\u2014the prisoners, prisoners. However, the steward, during our sleep, had cleared the table. I breathed with difficulty. The heavy air seemed to oppress my lungs. Although the cell was large, we had evidently consumed a great part of the oxygen that it contained. Indeed, each man consumes, in one hour, the oxygen contained in more than 176 pints of air, and this air, charged (as then) with a nearly equal quantity of carbonic acid, becomes unbreathable.",
+      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:25 PM by Captain Nemo (captain):\nHow long we slept I do not know; but our sleep must have lasted long, for it rested us completely from our fatigues. I woke first. My companions had not moved, and were still stretched in their corner.\r\n\r\nHardly roused from my somewhat hard couch, I felt my brain freed, my mind clear. I then began an attentive examination of our cell. Nothing was changed inside. The prison was still a prison—the prisoners, prisoners. However, the steward, during our sleep, had cleared the table. I breathed with difficulty. The heavy air seemed to oppress my lungs. Although the cell was large, we had evidently consumed a great part of the oxygen that it contained. Indeed, each man consumes, in one hour, the oxygen contained in more than 176 pints of air, and this air, charged (as then) with a nearly equal quantity of carbonic acid, becomes unbreathable.",
+      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:25 PM by Captain Nemo (captain):\nHow long we slept I do not know; but our sleep must have lasted long, for it rested us completely from our fatigues. I woke first. My companions had not moved, and were still stretched in their corner.\r\n\r\nHardly roused from my somewhat hard couch, I felt my brain freed, my mind clear. I then began an attentive examination of our cell. Nothing was changed inside. The prison was still a prison—the prisoners, prisoners. However, the steward, during our sleep, had cleared the table. I breathed with difficulty. The heavy air seemed to oppress my lungs. Although the cell was large, we had evidently consumed a great part of the oxygen that it contained. Indeed, each man consumes, in one hour, the oxygen contained in more than 176 pints of air, and this air, charged (as then) with a nearly equal quantity of carbonic acid, becomes unbreathable.",
       "last_updated": "2018-09-26T16:25:28.726Z",
-      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:25 PM by Captain Nemo (captain):\nHow long we slept I do not know; but our sleep must have lasted long, for it rested us completely from our fatigues. I woke first. My companions had not moved, and were still stretched in their corner.\r\n\r\nHardly roused from my somewhat hard couch, I felt my brain freed, my mind clear. I then began an attentive examination of our cell. Nothing was changed inside. The prison was still a prison\u2014the prisoners, prisoners. However, the steward, during our sleep, had cleared the table. I breathed with difficulty. The heavy air seemed to oppress my lungs. Although the cell was large, we had evidently consumed a great part of the oxygen that it contained. Indeed, each man consumes, in one hour, the oxygen contained in more than 176 pints of air, and this air, charged (as then) with a nearly equal quantity of carbonic acid, becomes unbreathable.",
+      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:25 PM by Captain Nemo (captain):\nHow long we slept I do not know; but our sleep must have lasted long, for it rested us completely from our fatigues. I woke first. My companions had not moved, and were still stretched in their corner.\r\n\r\nHardly roused from my somewhat hard couch, I felt my brain freed, my mind clear. I then began an attentive examination of our cell. Nothing was changed inside. The prison was still a prison—the prisoners, prisoners. However, the steward, during our sleep, had cleared the table. I breathed with difficulty. The heavy air seemed to oppress my lungs. Although the cell was large, we had evidently consumed a great part of the oxygen that it contained. Indeed, each man consumes, in one hour, the oxygen contained in more than 176 pints of air, and this air, charged (as then) with a nearly equal quantity of carbonic acid, becomes unbreathable.",
       "archived": true,
       "update_count": 0
     }
@@ -1261,10 +6797,10 @@
       "title": "Chapter 16: A Submarine Forest",
       "pinned": false,
       "created": "2018-09-26T16:28:33.408Z",
-      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:28 PM by Captain Nemo (captain):\nWe had at last arrived on the borders of this forest, doubtless one of the finest of Captain Nemo's immense domains. He looked upon it as his own, and considered he had the same right over it that the first men had in the first days of the world. And, indeed, who would have disputed with him the possession of this submarine property? What other hardier pioneer would come, hatchet in hand, to cut down the dark copses?\r\n\r\nThis forest was composed of large tree-plants; and the moment we penetrated under its vast arcades, I was struck by the singular position of their branches\u2014a position I had not yet observed.\r\n\r\nNot an herb which carpeted the ground, not a branch which clothed the trees, was either broken or bent, nor did they extend horizontally; all stretched up to the surface of the ocean. Not a filament, not a ribbon, however thin they might be, but kept as straight as a rod of iron. The fuci and llianas grew in rigid perpendicular lines, due to the density of the element which had produced them. Motionless yet, when bent to one side by the hand, they directly resumed their former position. Truly it was the region of perpendicularity!",
-      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:28 PM by Captain Nemo (captain):\nWe had at last arrived on the borders of this forest, doubtless one of the finest of Captain Nemo's immense domains. He looked upon it as his own, and considered he had the same right over it that the first men had in the first days of the world. And, indeed, who would have disputed with him the possession of this submarine property? What other hardier pioneer would come, hatchet in hand, to cut down the dark copses?\r\n\r\nThis forest was composed of large tree-plants; and the moment we penetrated under its vast arcades, I was struck by the singular position of their branches\u2014a position I had not yet observed.\r\n\r\nNot an herb which carpeted the ground, not a branch which clothed the trees, was either broken or bent, nor did they extend horizontally; all stretched up to the surface of the ocean. Not a filament, not a ribbon, however thin they might be, but kept as straight as a rod of iron. The fuci and llianas grew in rigid perpendicular lines, due to the density of the element which had produced them. Motionless yet, when bent to one side by the hand, they directly resumed their former position. Truly it was the region of perpendicularity!",
+      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:28 PM by Captain Nemo (captain):\nWe had at last arrived on the borders of this forest, doubtless one of the finest of Captain Nemo's immense domains. He looked upon it as his own, and considered he had the same right over it that the first men had in the first days of the world. And, indeed, who would have disputed with him the possession of this submarine property? What other hardier pioneer would come, hatchet in hand, to cut down the dark copses?\r\n\r\nThis forest was composed of large tree-plants; and the moment we penetrated under its vast arcades, I was struck by the singular position of their branches—a position I had not yet observed.\r\n\r\nNot an herb which carpeted the ground, not a branch which clothed the trees, was either broken or bent, nor did they extend horizontally; all stretched up to the surface of the ocean. Not a filament, not a ribbon, however thin they might be, but kept as straight as a rod of iron. The fuci and llianas grew in rigid perpendicular lines, due to the density of the element which had produced them. Motionless yet, when bent to one side by the hand, they directly resumed their former position. Truly it was the region of perpendicularity!",
+      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:28 PM by Captain Nemo (captain):\nWe had at last arrived on the borders of this forest, doubtless one of the finest of Captain Nemo's immense domains. He looked upon it as his own, and considered he had the same right over it that the first men had in the first days of the world. And, indeed, who would have disputed with him the possession of this submarine property? What other hardier pioneer would come, hatchet in hand, to cut down the dark copses?\r\n\r\nThis forest was composed of large tree-plants; and the moment we penetrated under its vast arcades, I was struck by the singular position of their branches—a position I had not yet observed.\r\n\r\nNot an herb which carpeted the ground, not a branch which clothed the trees, was either broken or bent, nor did they extend horizontally; all stretched up to the surface of the ocean. Not a filament, not a ribbon, however thin they might be, but kept as straight as a rod of iron. The fuci and llianas grew in rigid perpendicular lines, due to the density of the element which had produced them. Motionless yet, when bent to one side by the hand, they directly resumed their former position. Truly it was the region of perpendicularity!",
       "last_updated": "2018-09-26T16:28:33.408Z",
-      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:28 PM by Captain Nemo (captain):\nWe had at last arrived on the borders of this forest, doubtless one of the finest of Captain Nemo's immense domains. He looked upon it as his own, and considered he had the same right over it that the first men had in the first days of the world. And, indeed, who would have disputed with him the possession of this submarine property? What other hardier pioneer would come, hatchet in hand, to cut down the dark copses?\r\n\r\nThis forest was composed of large tree-plants; and the moment we penetrated under its vast arcades, I was struck by the singular position of their branches\u2014a position I had not yet observed.\r\n\r\nNot an herb which carpeted the ground, not a branch which clothed the trees, was either broken or bent, nor did they extend horizontally; all stretched up to the surface of the ocean. Not a filament, not a ribbon, however thin they might be, but kept as straight as a rod of iron. The fuci and llianas grew in rigid perpendicular lines, due to the density of the element which had produced them. Motionless yet, when bent to one side by the hand, they directly resumed their former position. Truly it was the region of perpendicularity!",
+      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:28 PM by Captain Nemo (captain):\nWe had at last arrived on the borders of this forest, doubtless one of the finest of Captain Nemo's immense domains. He looked upon it as his own, and considered he had the same right over it that the first men had in the first days of the world. And, indeed, who would have disputed with him the possession of this submarine property? What other hardier pioneer would come, hatchet in hand, to cut down the dark copses?\r\n\r\nThis forest was composed of large tree-plants; and the moment we penetrated under its vast arcades, I was struck by the singular position of their branches—a position I had not yet observed.\r\n\r\nNot an herb which carpeted the ground, not a branch which clothed the trees, was either broken or bent, nor did they extend horizontally; all stretched up to the surface of the ocean. Not a filament, not a ribbon, however thin they might be, but kept as straight as a rod of iron. The fuci and llianas grew in rigid perpendicular lines, due to the density of the element which had produced them. Motionless yet, when bent to one side by the hand, they directly resumed their former position. Truly it was the region of perpendicularity!",
       "archived": true,
       "update_count": 0
     }
@@ -1336,10 +6872,10 @@
       "title": "Chapter 21: Captain Nemo's Thunderbolt",
       "pinned": false,
       "created": "2018-09-26T16:30:47.234Z",
-      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:30 PM by Captain Nemo (captain):\nWe looked at the edge of the forest without rising, my hand stopping in the action of putting it to my mouth, Ned Land's completing its office.\r\n\r\n\"Stones do not fall from the sky,\" remarked Conseil, \"or they would merit the name aerolites.\"\r\n\r\nA second stone, carefully aimed, that made a savoury pigeon's leg fall from Conseil's hand, gave still more weight to his observation. We all three arose, shouldered our guns, and were ready to reply to any attack.\r\n\r\n\"Are they apes?\" cried Ned Land.\r\n\r\n\"Very nearly\u2014they are savages.\"\r\n\r\n\"To the boat!\" I said, hurrying to the sea.\r\n\r\nIt was indeed necessary to beat a retreat, for about twenty natives armed with bows and slings appeared on the skirts of a copse that masked the horizon to the right, hardly a hundred steps from us.\r\n\r\nOur boat was moored about sixty feet from us. The savages approached us, not running, but making hostile demonstrations. Stones and arrows fell thickly.",
-      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:30 PM by Captain Nemo (captain):\nWe looked at the edge of the forest without rising, my hand stopping in the action of putting it to my mouth, Ned Land's completing its office.\r\n\r\n\"Stones do not fall from the sky,\" remarked Conseil, \"or they would merit the name aerolites.\"\r\n\r\nA second stone, carefully aimed, that made a savoury pigeon's leg fall from Conseil's hand, gave still more weight to his observation. We all three arose, shouldered our guns, and were ready to reply to any attack.\r\n\r\n\"Are they apes?\" cried Ned Land.\r\n\r\n\"Very nearly\u2014they are savages.\"\r\n\r\n\"To the boat!\" I said, hurrying to the sea.\r\n\r\nIt was indeed necessary to beat a retreat, for about twenty natives armed with bows and slings appeared on the skirts of a copse that masked the horizon to the right, hardly a hundred steps from us.\r\n\r\nOur boat was moored about sixty feet from us. The savages approached us, not running, but making hostile demonstrations. Stones and arrows fell thickly.",
+      "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:30 PM by Captain Nemo (captain):\nWe looked at the edge of the forest without rising, my hand stopping in the action of putting it to my mouth, Ned Land's completing its office.\r\n\r\n\"Stones do not fall from the sky,\" remarked Conseil, \"or they would merit the name aerolites.\"\r\n\r\nA second stone, carefully aimed, that made a savoury pigeon's leg fall from Conseil's hand, gave still more weight to his observation. We all three arose, shouldered our guns, and were ready to reply to any attack.\r\n\r\n\"Are they apes?\" cried Ned Land.\r\n\r\n\"Very nearly—they are savages.\"\r\n\r\n\"To the boat!\" I said, hurrying to the sea.\r\n\r\nIt was indeed necessary to beat a retreat, for about twenty natives armed with bows and slings appeared on the skirts of a copse that masked the horizon to the right, hardly a hundred steps from us.\r\n\r\nOur boat was moored about sixty feet from us. The savages approached us, not running, but making hostile demonstrations. Stones and arrows fell thickly.",
+      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:30 PM by Captain Nemo (captain):\nWe looked at the edge of the forest without rising, my hand stopping in the action of putting it to my mouth, Ned Land's completing its office.\r\n\r\n\"Stones do not fall from the sky,\" remarked Conseil, \"or they would merit the name aerolites.\"\r\n\r\nA second stone, carefully aimed, that made a savoury pigeon's leg fall from Conseil's hand, gave still more weight to his observation. We all three arose, shouldered our guns, and were ready to reply to any attack.\r\n\r\n\"Are they apes?\" cried Ned Land.\r\n\r\n\"Very nearly—they are savages.\"\r\n\r\n\"To the boat!\" I said, hurrying to the sea.\r\n\r\nIt was indeed necessary to beat a retreat, for about twenty natives armed with bows and slings appeared on the skirts of a copse that masked the horizon to the right, hardly a hundred steps from us.\r\n\r\nOur boat was moored about sixty feet from us. The savages approached us, not running, but making hostile demonstrations. Stones and arrows fell thickly.",
       "last_updated": "2018-09-26T16:30:47.234Z",
-      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:30 PM by Captain Nemo (captain):\nWe looked at the edge of the forest without rising, my hand stopping in the action of putting it to my mouth, Ned Land's completing its office.\r\n\r\n\"Stones do not fall from the sky,\" remarked Conseil, \"or they would merit the name aerolites.\"\r\n\r\nA second stone, carefully aimed, that made a savoury pigeon's leg fall from Conseil's hand, gave still more weight to his observation. We all three arose, shouldered our guns, and were ready to reply to any attack.\r\n\r\n\"Are they apes?\" cried Ned Land.\r\n\r\n\"Very nearly\u2014they are savages.\"\r\n\r\n\"To the boat!\" I said, hurrying to the sea.\r\n\r\nIt was indeed necessary to beat a retreat, for about twenty natives armed with bows and slings appeared on the skirts of a copse that masked the horizon to the right, hardly a hundred steps from us.\r\n\r\nOur boat was moored about sixty feet from us. The savages approached us, not running, but making hostile demonstrations. Stones and arrows fell thickly.",
+      "last_update_content": "Originally published on Wednesday, September 26th, 2018 @ 12:30 PM by Captain Nemo (captain):\nWe looked at the edge of the forest without rising, my hand stopping in the action of putting it to my mouth, Ned Land's completing its office.\r\n\r\n\"Stones do not fall from the sky,\" remarked Conseil, \"or they would merit the name aerolites.\"\r\n\r\nA second stone, carefully aimed, that made a savoury pigeon's leg fall from Conseil's hand, gave still more weight to his observation. We all three arose, shouldered our guns, and were ready to reply to any attack.\r\n\r\n\"Are they apes?\" cried Ned Land.\r\n\r\n\"Very nearly—they are savages.\"\r\n\r\n\"To the boat!\" I said, hurrying to the sea.\r\n\r\nIt was indeed necessary to beat a retreat, for about twenty natives armed with bows and slings appeared on the skirts of a copse that masked the horizon to the right, hardly a hundred steps from us.\r\n\r\nOur boat was moored about sixty feet from us. The savages approached us, not running, but making hostile demonstrations. Stones and arrows fell thickly.",
       "archived": true,
       "update_count": 0
     }
@@ -1352,7 +6888,7 @@
       "pinned": false,
       "created": "2018-09-26T16:31:41.851Z",
       "original_content": "Originally published on Wednesday, September 26th, 2018 @ 12:31 PM by Captain Nemo (captain):\nThe following day 10th January, the Nautilus continued her course between two seas, but with such remarkable speed that I could not estimate it at less than thirty-five miles an hour. The rapidity of her screw was such that I could neither follow nor count its revolutions. When I reflected that this marvellous electric agent, after having afforded motion, heat, and light to the Nautilus, still protected her from outward attack, and transformed her into an ark of safety which no profane hand might touch without being thunderstricken, my admiration was unbounded, and from the structure it extended to the engineer who had called it into existence.",
-      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:31 PM by Captain Nemo (captain):\nThe following day 10th January, the Nautilus continued her course between two seas, but with such remarkable speed that I could not estimate it at less than thirty-five miles an hour. The rapidity of her screw was such that I could neither follow nor count its revolutions. When I reflected that this marvellous electric agent, after having afforded motion, heat, and light to the Nautilus, still protected her from outward attack, and transformed her into an ark of safety which no profane hand might touch without being thunderstricken, my admiration was unbounded, and from the structure it extended to the engineer who had called it into existence.\n\nUpdated on Wednesday, September 26th, 2018 @ 12:31 PM by Captain Nemo (captain):\nOur course was directed to the west, and on the 11th of January we doubled Cape Wessel, situation in 135\u00b0 long. and 10\u00b0 S. lat., which forms the east point of the Gulf of Carpentaria. The reefs were still numerous, but more equalised, and marked on the chart with extreme precision. The Nautilus easily avoided the breakers of Money to port and the Victoria reefs to starboard, placed at 130\u00b0 long. and on the 10th parallel, which we strictly followed.\n\nUpdated on Wednesday, September 26th, 2018 @ 12:32 PM by Captain Nemo (captain):\nOn the 13th of January, Captain Nemo arrived in the Sea of Timor, and recognised the island of that name in 122\u00b0 long.\n\nUpdated on Wednesday, September 26th, 2018 @ 12:32 PM by Captain Nemo (captain):\nFrom this point the direction of the Nautilus inclined towards the south-west. Her head was set for the Indian Ocean. Where would the fancy of Captain Nemo carry us next? Would he return to the coast of Asia or would he approach again the shores of Europe? Improbable conjectures both, to a man who fled from inhabited continents. Then would he descend to the south? Was he going to double the Cape of Good Hope, then Cape Horn, and finally go as far as the Antarctic pole? Would he come back at last to the Pacific, where his Nautilus could sail free and independently? Time would show.\n\nUpdated on Wednesday, September 26th, 2018 @ 12:32 PM by Captain Nemo (captain):\nAfter having skirted the sands of Cartier, of Hibernia, Seringapatam, and Scott, last efforts of the solid against the liquid element, on the 14th of January we lost sight of land altogether. The speed of the Nautilus was considerably abated, and with irregular course she sometimes swam in the bosom of the waters, sometimes floated on their surface.",
+      "all_content": "Originally published on Wednesday, September 26th, 2018 @ 12:31 PM by Captain Nemo (captain):\nThe following day 10th January, the Nautilus continued her course between two seas, but with such remarkable speed that I could not estimate it at less than thirty-five miles an hour. The rapidity of her screw was such that I could neither follow nor count its revolutions. When I reflected that this marvellous electric agent, after having afforded motion, heat, and light to the Nautilus, still protected her from outward attack, and transformed her into an ark of safety which no profane hand might touch without being thunderstricken, my admiration was unbounded, and from the structure it extended to the engineer who had called it into existence.\n\nUpdated on Wednesday, September 26th, 2018 @ 12:31 PM by Captain Nemo (captain):\nOur course was directed to the west, and on the 11th of January we doubled Cape Wessel, situation in 135° long. and 10° S. lat., which forms the east point of the Gulf of Carpentaria. The reefs were still numerous, but more equalised, and marked on the chart with extreme precision. The Nautilus easily avoided the breakers of Money to port and the Victoria reefs to starboard, placed at 130° long. and on the 10th parallel, which we strictly followed.\n\nUpdated on Wednesday, September 26th, 2018 @ 12:32 PM by Captain Nemo (captain):\nOn the 13th of January, Captain Nemo arrived in the Sea of Timor, and recognised the island of that name in 122° long.\n\nUpdated on Wednesday, September 26th, 2018 @ 12:32 PM by Captain Nemo (captain):\nFrom this point the direction of the Nautilus inclined towards the south-west. Her head was set for the Indian Ocean. Where would the fancy of Captain Nemo carry us next? Would he return to the coast of Asia or would he approach again the shores of Europe? Improbable conjectures both, to a man who fled from inhabited continents. Then would he descend to the south? Was he going to double the Cape of Good Hope, then Cape Horn, and finally go as far as the Antarctic pole? Would he come back at last to the Pacific, where his Nautilus could sail free and independently? Time would show.\n\nUpdated on Wednesday, September 26th, 2018 @ 12:32 PM by Captain Nemo (captain):\nAfter having skirted the sands of Cartier, of Hibernia, Seringapatam, and Scott, last efforts of the solid against the liquid element, on the 14th of January we lost sight of land altogether. The speed of the Nautilus was considerably abated, and with irregular course she sometimes swam in the bosom of the waters, sometimes floated on their surface.",
       "last_updated": "2018-09-26T16:32:24.329Z",
       "last_update_content": "Updated on Wednesday, September 26th, 2018 @ 12:32 PM by Captain Nemo (captain):\nAfter having skirted the sands of Cartier, of Hibernia, Seringapatam, and Scott, last efforts of the solid against the liquid element, on the 14th of January we lost sight of land altogether. The speed of the Nautilus was considerably abated, and with irregular course she sometimes swam in the bosom of the waters, sometimes floated on their surface.",
       "archived": false,
@@ -1474,5 +7010,303 @@
       "full_day": true,
       "description": "Taking a sabbatical"
     }
+  },
+  {
+    "model": "sensors.sensorcardcategory",
+    "pk": 1,
+    "fields": {
+      "name": "ModbusTcp",
+      "key": "modbus_tcp"
+    }
+  },
+  {
+    "model": "sensors.sensorcard",
+    "pk": 1,
+    "fields": {
+      "name": "Gas cabinet card",
+      "server": "gascabinet.example.org",
+      "port": 502,
+      "category": 1,
+      "username": null,
+      "password": null,
+      "enabled": true
+    }
+  },
+  {
+    "model": "sensors.sensorcard",
+    "pk": 2,
+    "fields": {
+      "name": "Temp/Humidity card",
+      "server": "cleanroomsensors.example.org",
+      "port": 502,
+      "category": 1,
+      "username": null,
+      "password": null,
+      "enabled": true
+    }
+  },
+  {
+    "model": "sensors.sensorcategory",
+    "pk": 1,
+    "fields": {
+      "name": "Cleanroom",
+      "parent": null
+    }
+  },
+  {
+    "model": "sensors.sensorcategory",
+    "pk": 2,
+    "fields": {
+      "name": "External lab",
+      "parent": null
+    }
+  },
+  {
+    "model": "sensors.sensorcategory",
+    "pk": 3,
+    "fields": {
+      "name": "Bay 1",
+      "parent": 1
+    }
+  },
+  {
+    "model": "sensors.sensor",
+    "pk": 1,
+    "fields": {
+      "name": "Bay 1 Temperature",
+      "visible": true,
+      "sensor_card": 2,
+      "interlock_card": null,
+      "sensor_category": 3,
+      "data_label": "Temperature",
+      "data_prefix": null,
+      "data_suffix": "°F",
+      "unit_id": null,
+      "read_address": 24,
+      "number_of_values": 1,
+      "formula": "",
+      "read_frequency": 5
+    }
+  },
+  {
+    "model": "sensors.sensor",
+    "pk": 2,
+    "fields": {
+      "name": "Bay 1 Humidity",
+      "visible": true,
+      "sensor_card": 2,
+      "interlock_card": null,
+      "sensor_category": 3,
+      "data_label": "Humidity",
+      "data_prefix": null,
+      "data_suffix": null,
+      "unit_id": null,
+      "read_address": 26,
+      "number_of_values": 1,
+      "formula": "",
+      "read_frequency": 5
+    }
+  },
+  {
+    "model": "sensors.sensor",
+    "pk": 3,
+    "fields": {
+      "name": "Nitrogen GN2",
+      "visible": true,
+      "sensor_card": 1,
+      "interlock_card": null,
+      "sensor_category": 1,
+      "data_label": null,
+      "data_prefix": null,
+      "data_suffix": null,
+      "unit_id": null,
+      "read_address": 2,
+      "number_of_values": 1,
+      "formula": "",
+      "read_frequency": 5
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 1,
+    "fields": {
+      "sensor": 1,
+      "created_date": "2022-06-13T17:39:17.892Z",
+      "value": 69.2
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 2,
+    "fields": {
+      "sensor": 1,
+      "created_date": "2022-06-13T17:40:17.892Z",
+      "value": 69.4
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 3,
+    "fields": {
+      "sensor": 1,
+      "created_date": "2022-06-13T17:41:17.892Z",
+      "value": 70.2
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 4,
+    "fields": {
+      "sensor": 1,
+      "created_date": "2022-06-13T17:44:17.892Z",
+      "value": 69.7
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 5,
+    "fields": {
+      "sensor": 1,
+      "created_date": "2022-06-13T17:47:17.892Z",
+      "value": 69.9
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 6,
+    "fields": {
+      "sensor": 1,
+      "created_date": "2022-06-13T17:49:17.892Z",
+      "value": 70.1
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 7,
+    "fields": {
+      "sensor": 2,
+      "created_date": "2022-06-13T17:51:36.032Z",
+      "value": 45.5
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 8,
+    "fields": {
+      "sensor": 2,
+      "created_date": "2022-06-13T17:52:36.032Z",
+      "value": 45.6
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 9,
+    "fields": {
+      "sensor": 2,
+      "created_date": "2022-06-13T17:53:36.032Z",
+      "value": 45.9
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 10,
+    "fields": {
+      "sensor": 2,
+      "created_date": "2022-06-13T17:54:36.032Z",
+      "value": 45.8
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 11,
+    "fields": {
+      "sensor": 2,
+      "created_date": "2022-06-13T17:56:36.032Z",
+      "value": 45.5
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 12,
+    "fields": {
+      "sensor": 2,
+      "created_date": "2022-06-13T17:58:36.032Z",
+      "value": 45.3
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 13,
+    "fields": {
+      "sensor": 3,
+      "created_date": "2022-06-13T17:52:05.965Z",
+      "value": 1920.3
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 14,
+    "fields": {
+      "sensor": 3,
+      "created_date": "2022-06-13T17:53:05.965Z",
+      "value": 1923.3
+    }
+  },
+  {
+    "model": "sensors.sensordata",
+    "pk": 15,
+    "fields": {
+      "sensor": 3,
+      "created_date": "2022-06-13T17:54:05.965Z",
+      "value": 1927.3
+    }
+  },
+  {
+    "model": "sensors.sensoralertemail",
+    "pk": 1,
+    "fields": {
+      "enabled": true,
+      "sensor": 1,
+      "trigger_no_data": false,
+      "trigger_condition": "value > 70",
+      "triggered_on": "2022-06-13T17:52:05.965Z",
+      "additional_emails": ""
+    }
+  },
+  {
+    "model": "sensors.sensoralertlog",
+    "pk": 1,
+    "fields": {
+      "value": 70.2,
+      "reset": 0,
+      "no_data": 0,
+      "condition": "value > 70",
+      "sensor_id": 1,
+      "time": "2022-06-13T17:41:17.892Z"
+    }
+  },
+  {
+    "model": "sensors.sensoralertlog",
+    "pk": 2,
+    "fields": {
+      "value": 69.7,
+      "reset": 1,
+      "no_data": 0,
+      "condition": "value > 70",
+      "sensor_id": 1,
+      "time": "2022-06-13T17:44:17.892Z"
+    }
+  },
+  {
+    "model": "sensors.sensoralertlog",
+    "pk": 3,
+    "fields": {
+      "value": 70.1,
+      "reset": 0,
+      "no_data": 0,
+      "condition": "value > 70",
+      "sensor_id": 1,
+      "time": "2022-06-13T17:52:05.965Z"
+    }
   }
 ]
\ No newline at end of file
diff --git a/resources/images/tool_images/dicing_saw.png b/resources/images/tool_images/dicing_saw.png
new file mode 100644
index 00000000..cf3f194d
Binary files /dev/null and b/resources/images/tool_images/dicing_saw.png differ
diff --git a/resources/images/tool_images/pecvd.jpeg b/resources/images/tool_images/pecvd.jpeg
new file mode 100644
index 00000000..d1509731
Binary files /dev/null and b/resources/images/tool_images/pecvd.jpeg differ
diff --git a/resources/splash_pad_settings.py b/resources/splash_pad_settings.py
index 9bfbfdca..d6a3318a 100644
--- a/resources/splash_pad_settings.py
+++ b/resources/splash_pad_settings.py
@@ -1,5 +1,7 @@
 DEBUG = True
 FIXTURE_DIRS = ['/nemo/']
+ALLOWED_HOSTS = ["*"]
+DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
 AUTH_USER_MODEL = 'NEMO.User'
 WSGI_APPLICATION = 'NEMO.wsgi.application'
 ROOT_URLCONF = 'NEMO.urls'
@@ -31,6 +33,7 @@
 	'NEMO',
 	'NEMO.apps.kiosk',
 	'NEMO.apps.area_access',
+	'NEMO.apps.sensors',
 	'rest_framework',
 	'django_filters',
 	'mptt',
@@ -104,9 +107,3 @@
 
 ALLOW_CONDITIONAL_URLS = True
 AUTHENTICATION_BACKENDS = ['NEMO.views.authentication.RemoteUserAuthenticationBackend']
-
-IDENTITY_SERVICE = {
-	'available': False,
-	'url': 'https://identity.example.org/',
-	'domains': [],
-}
diff --git a/setup.py b/setup.py
index a43c5dde..88095b88 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
 	name='NEMO',
-	version='4.0.0',
+	version='4.1.0',
 	python_requires='>=3.7',
 	packages=find_packages(exclude=['NEMO.tests','NEMO.tests.*']),
 	include_package_data=True,
@@ -21,11 +21,11 @@
 		'License :: Public Domain',
 		'Natural Language :: English',
 		'Operating System :: OS Independent',
-		'Programming Language :: Python :: 3.6',
+		'Programming Language :: Python :: 3.7',
 	],
 	install_requires=[
-		'cryptography==36.0.2',
-		'Django==3.2.12',
+		'cryptography==37.0.2',
+		'Django==3.2.13',
 		'django-filter==21.1',
 		'djangorestframework==3.13.1',
 		'drf-flex-fields==0.9.8',
@@ -33,7 +33,7 @@
 		'ldap3==2.9.1',
 		'python-dateutil==2.8.2',
 		'requests==2.27.1',
-		'Pillow==9.1.0',
+		'Pillow==9.1.1',
 		'django-mptt==0.13.4',
 		'pymodbus==2.5.3',
 	],