diff --git a/dist/vue-paginate.js b/dist/vue-paginate.js
index 741085b..fe196a1 100644
--- a/dist/vue-paginate.js
+++ b/dist/vue-paginate.js
@@ -1,6256 +1,7050 @@
 /**
- * vue-paginate v3.4.0
+ * vue-paginate v3.5.0
  * (c) 2017 Taha Shashtari
  * @license MIT
  */
 (function (global, factory) {
-	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
-	typeof define === 'function' && define.amd ? define(factory) :
-	(global.VuePaginate = factory());
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+  typeof define === 'function' && define.amd ? define(factory) :
+  (global.VuePaginate = factory());
 }(this, function () { 'use strict';
 
-	var warn = function () {}
-	var formatComponentName
-
-	var hasConsole = typeof console !== 'undefined'
-
-	warn = function (msg, vm, type) {
-	  if ( type === void 0 ) type = 'error';
-
-	  if (hasConsole) {
-	    console[type]("[vue-paginate]: " + msg + " " + (
-	      vm ? formatLocation(formatComponentName(vm)) : ''
-	      ))
-	  }
-	}
-
-	formatComponentName = function (vm) {
-	  if (vm.$root === vm) {
-	    return 'root instance'
-	  }
-	  var name = vm._isVue
-	  ? vm.$options.name || vm.$options._componentTag
-	  : vm.name
-	  return (
-	    (name ? ("component <" + name + ">") : "anonymous component") +
-	    (vm._isVue && vm.$options.__file ? (" at " + (vm.$options.__file)) : '')
-	    )
-	}
-
-	var formatLocation = function (str) {
-	  if (str === 'anonymous component') {
-	    str += " - use the \"name\" option for better debugging messages."
-	  }
-	  return ("\n(found in " + str + ")")
-	}
-
-	var Paginate = {
-	  name: 'paginate',
-	  props: {
-	    name: {
-	      type: String,
-	      required: true
-	    },
-	    list: {
-	      type: Array,
-	      required: true
-	    },
-	    per: {
-	      type: Number,
-	      default: 3,
-	      validator: function validator (value) {
-	        return value > 0
-	      }
-	    },
-	    tag: {
-	      type: String,
-	      default: 'ul'
-	    },
-	    class: {
-	      type: String
-	    }
-	  },
-	  data: function data () {
-	    return {}
-	  },
-	  computed: {
-	    currentPage: {
-	      get: function get () {
-	        if (this.$parent.paginate[this.name]) {
-	          return this.$parent.paginate[this.name].page
-	        }
-	      },
-	      set: function set (page) {
-	        this.$parent.paginate[this.name].page = page
-	      }
-	    }
-	  },
-	  mounted: function mounted () {
-	    if (this.per <= 0) {
-	      warn(("<paginate name=\"" + (this.name) + "\"> 'per' prop can't be 0 or less."), this.$parent)
-	    }
-	    if (!this.$parent.paginate[this.name]) {
-	      warn(("'" + (this.name) + "' is not registered in 'paginate' array."), this.$parent)
-	      return
-	    }
-	    this.paginateList()
-	  },
-	  watch: {
-	    currentPage: function currentPage () {
-	      this.paginateList()
-	    },
-	    list: function list () {
-	      // On list change, refresh the paginated list
-	      this.currentPage = 0
-	      this.paginateList()
-	    },
-	    per: function per () {
-	      this.currentPage = 0
-	      this.paginateList()
-	    }
-	  },
-	  methods: {
-	    paginateList: function paginateList () {
-	      var index = this.currentPage * this.per
-	      var paginatedList = this.list.slice(index, index + this.per)
-	      this.$parent.paginate[this.name].list = paginatedList
-	    }
-	  },
-	  render: function render (h) {
-	    var className = this.class ? this.class : ''
-	    return h(this.tag, { class: className }, this.$slots.default)
-	  }
-	}
-
-	var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
-
-	/*  */
-
-	/**
-	 * Convert a value to a string that is actually rendered.
-	 */
-	function _toString (val) {
-	  return val == null
-	    ? ''
-	    : typeof val === 'object'
-	      ? JSON.stringify(val, null, 2)
-	      : String(val)
-	}
-
-	/**
-	 * Convert a input value to a number for persistence.
-	 * If the conversion fails, return original string.
-	 */
-	function toNumber (val) {
-	  var n = parseFloat(val, 10);
-	  return (n || n === 0) ? n : val
-	}
-
-	/**
-	 * Make a map and return a function for checking if a key
-	 * is in that map.
-	 */
-	function makeMap (
-	  str,
-	  expectsLowerCase
-	) {
-	  var map = Object.create(null);
-	  var list = str.split(',');
-	  for (var i = 0; i < list.length; i++) {
-	    map[list[i]] = true;
-	  }
-	  return expectsLowerCase
-	    ? function (val) { return map[val.toLowerCase()]; }
-	    : function (val) { return map[val]; }
-	}
-
-	/**
-	 * Check if a tag is a built-in tag.
-	 */
-	var isBuiltInTag = makeMap('slot,component', true);
-
-	/**
-	 * Remove an item from an array
-	 */
-	function remove$1 (arr, item) {
-	  if (arr.length) {
-	    var index = arr.indexOf(item);
-	    if (index > -1) {
-	      return arr.splice(index, 1)
-	    }
-	  }
-	}
-
-	/**
-	 * Check whether the object has the property.
-	 */
-	var hasOwnProperty = Object.prototype.hasOwnProperty;
-	function hasOwn (obj, key) {
-	  return hasOwnProperty.call(obj, key)
-	}
-
-	/**
-	 * Check if value is primitive
-	 */
-	function isPrimitive (value) {
-	  return typeof value === 'string' || typeof value === 'number'
-	}
-
-	/**
-	 * Create a cached version of a pure function.
-	 */
-	function cached (fn) {
-	  var cache = Object.create(null);
-	  return (function cachedFn (str) {
-	    var hit = cache[str];
-	    return hit || (cache[str] = fn(str))
-	  })
-	}
-
-	/**
-	 * Camelize a hyphen-delmited string.
-	 */
-	var camelizeRE = /-(\w)/g;
-	var camelize = cached(function (str) {
-	  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
-	});
-
-	/**
-	 * Capitalize a string.
-	 */
-	var capitalize = cached(function (str) {
-	  return str.charAt(0).toUpperCase() + str.slice(1)
-	});
-
-	/**
-	 * Hyphenate a camelCase string.
-	 */
-	var hyphenateRE = /([^-])([A-Z])/g;
-	var hyphenate = cached(function (str) {
-	  return str
-	    .replace(hyphenateRE, '$1-$2')
-	    .replace(hyphenateRE, '$1-$2')
-	    .toLowerCase()
-	});
-
-	/**
-	 * Simple bind, faster than native
-	 */
-	function bind$1 (fn, ctx) {
-	  function boundFn (a) {
-	    var l = arguments.length;
-	    return l
-	      ? l > 1
-	        ? fn.apply(ctx, arguments)
-	        : fn.call(ctx, a)
-	      : fn.call(ctx)
-	  }
-	  // record original fn length
-	  boundFn._length = fn.length;
-	  return boundFn
-	}
-
-	/**
-	 * Convert an Array-like object to a real Array.
-	 */
-	function toArray (list, start) {
-	  start = start || 0;
-	  var i = list.length - start;
-	  var ret = new Array(i);
-	  while (i--) {
-	    ret[i] = list[i + start];
-	  }
-	  return ret
-	}
-
-	/**
-	 * Mix properties into target object.
-	 */
-	function extend (to, _from) {
-	  for (var key in _from) {
-	    to[key] = _from[key];
-	  }
-	  return to
-	}
-
-	/**
-	 * Quick object check - this is primarily used to tell
-	 * Objects from primitive values when we know the value
-	 * is a JSON-compliant type.
-	 */
-	function isObject (obj) {
-	  return obj !== null && typeof obj === 'object'
-	}
-
-	/**
-	 * Strict object type check. Only returns true
-	 * for plain JavaScript objects.
-	 */
-	var toString = Object.prototype.toString;
-	var OBJECT_STRING = '[object Object]';
-	function isPlainObject (obj) {
-	  return toString.call(obj) === OBJECT_STRING
-	}
-
-	/**
-	 * Merge an Array of Objects into a single Object.
-	 */
-	function toObject (arr) {
-	  var res = {};
-	  for (var i = 0; i < arr.length; i++) {
-	    if (arr[i]) {
-	      extend(res, arr[i]);
-	    }
-	  }
-	  return res
-	}
-
-	/**
-	 * Perform no operation.
-	 */
-	function noop () {}
-
-	/**
-	 * Always return false.
-	 */
-	var no = function () { return false; };
-
-	/**
-	 * Return same value
-	 */
-	var identity = function (_) { return _; };
-
-	/**
-	 * Generate a static keys string from compiler modules.
-	 */
-	function genStaticKeys (modules) {
-	  return modules.reduce(function (keys, m) {
-	    return keys.concat(m.staticKeys || [])
-	  }, []).join(',')
-	}
-
-	/**
-	 * Check if two values are loosely equal - that is,
-	 * if they are plain objects, do they have the same shape?
-	 */
-	function looseEqual (a, b) {
-	  var isObjectA = isObject(a);
-	  var isObjectB = isObject(b);
-	  if (isObjectA && isObjectB) {
-	    return JSON.stringify(a) === JSON.stringify(b)
-	  } else if (!isObjectA && !isObjectB) {
-	    return String(a) === String(b)
-	  } else {
-	    return false
-	  }
-	}
-
-	function looseIndexOf (arr, val) {
-	  for (var i = 0; i < arr.length; i++) {
-	    if (looseEqual(arr[i], val)) { return i }
-	  }
-	  return -1
-	}
-
-	/*  */
-
-	var config = {
-	  /**
-	   * Option merge strategies (used in core/util/options)
-	   */
-	  optionMergeStrategies: Object.create(null),
-
-	  /**
-	   * Whether to suppress warnings.
-	   */
-	  silent: false,
-
-	  /**
-	   * Whether to enable devtools
-	   */
-	  devtools: "production" !== 'production',
-
-	  /**
-	   * Error handler for watcher errors
-	   */
-	  errorHandler: null,
-
-	  /**
-	   * Ignore certain custom elements
-	   */
-	  ignoredElements: [],
-
-	  /**
-	   * Custom user key aliases for v-on
-	   */
-	  keyCodes: Object.create(null),
-
-	  /**
-	   * Check if a tag is reserved so that it cannot be registered as a
-	   * component. This is platform-dependent and may be overwritten.
-	   */
-	  isReservedTag: no,
-
-	  /**
-	   * Check if a tag is an unknown element.
-	   * Platform-dependent.
-	   */
-	  isUnknownElement: no,
-
-	  /**
-	   * Get the namespace of an element
-	   */
-	  getTagNamespace: noop,
-
-	  /**
-	   * Parse the real tag name for the specific platform.
-	   */
-	  parsePlatformTagName: identity,
-
-	  /**
-	   * Check if an attribute must be bound using property, e.g. value
-	   * Platform-dependent.
-	   */
-	  mustUseProp: no,
-
-	  /**
-	   * List of asset types that a component can own.
-	   */
-	  _assetTypes: [
-	    'component',
-	    'directive',
-	    'filter'
-	  ],
-
-	  /**
-	   * List of lifecycle hooks.
-	   */
-	  _lifecycleHooks: [
-	    'beforeCreate',
-	    'created',
-	    'beforeMount',
-	    'mounted',
-	    'beforeUpdate',
-	    'updated',
-	    'beforeDestroy',
-	    'destroyed',
-	    'activated',
-	    'deactivated'
-	  ],
-
-	  /**
-	   * Max circular updates allowed in a scheduler flush cycle.
-	   */
-	  _maxUpdateCount: 100
-	};
-
-	/*  */
-
-	/**
-	 * Check if a string starts with $ or _
-	 */
-	function isReserved (str) {
-	  var c = (str + '').charCodeAt(0);
-	  return c === 0x24 || c === 0x5F
-	}
-
-	/**
-	 * Define a property.
-	 */
-	function def (obj, key, val, enumerable) {
-	  Object.defineProperty(obj, key, {
-	    value: val,
-	    enumerable: !!enumerable,
-	    writable: true,
-	    configurable: true
-	  });
-	}
-
-	/**
-	 * Parse simple path.
-	 */
-	var bailRE = /[^\w.$]/;
-	function parsePath (path) {
-	  if (bailRE.test(path)) {
-	    return
-	  } else {
-	    var segments = path.split('.');
-	    return function (obj) {
-	      for (var i = 0; i < segments.length; i++) {
-	        if (!obj) { return }
-	        obj = obj[segments[i]];
-	      }
-	      return obj
-	    }
-	  }
-	}
-
-	/*  */
-	/* globals MutationObserver */
-
-	// can we use __proto__?
-	var hasProto = '__proto__' in {};
-
-	// Browser environment sniffing
-	var inBrowser = typeof window !== 'undefined';
-	var UA = inBrowser && window.navigator.userAgent.toLowerCase();
-	var isIE = UA && /msie|trident/.test(UA);
-	var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
-	var isEdge = UA && UA.indexOf('edge/') > 0;
-	var isAndroid = UA && UA.indexOf('android') > 0;
-	var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
-
-	// this needs to be lazy-evaled because vue may be required before
-	// vue-server-renderer can set VUE_ENV
-	var _isServer;
-	var isServerRendering = function () {
-	  if (_isServer === undefined) {
-	    /* istanbul ignore if */
-	    if (!inBrowser && typeof commonjsGlobal !== 'undefined') {
-	      // detect presence of vue-server-renderer and avoid
-	      // Webpack shimming the process
-	      _isServer = commonjsGlobal['process'].env.VUE_ENV === 'server';
-	    } else {
-	      _isServer = false;
-	    }
-	  }
-	  return _isServer
-	};
-
-	// detect devtools
-	var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
-
-	/* istanbul ignore next */
-	function isNative (Ctor) {
-	  return /native code/.test(Ctor.toString())
-	}
-
-	/**
-	 * Defer a task to execute it asynchronously.
-	 */
-	var nextTick = (function () {
-	  var callbacks = [];
-	  var pending = false;
-	  var timerFunc;
-
-	  function nextTickHandler () {
-	    pending = false;
-	    var copies = callbacks.slice(0);
-	    callbacks.length = 0;
-	    for (var i = 0; i < copies.length; i++) {
-	      copies[i]();
-	    }
-	  }
-
-	  // the nextTick behavior leverages the microtask queue, which can be accessed
-	  // via either native Promise.then or MutationObserver.
-	  // MutationObserver has wider support, however it is seriously bugged in
-	  // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
-	  // completely stops working after triggering a few times... so, if native
-	  // Promise is available, we will use it:
-	  /* istanbul ignore if */
-	  if (typeof Promise !== 'undefined' && isNative(Promise)) {
-	    var p = Promise.resolve();
-	    var logError = function (err) { console.error(err); };
-	    timerFunc = function () {
-	      p.then(nextTickHandler).catch(logError);
-	      // in problematic UIWebViews, Promise.then doesn't completely break, but
-	      // it can get stuck in a weird state where callbacks are pushed into the
-	      // microtask queue but the queue isn't being flushed, until the browser
-	      // needs to do some other work, e.g. handle a timer. Therefore we can
-	      // "force" the microtask queue to be flushed by adding an empty timer.
-	      if (isIOS) { setTimeout(noop); }
-	    };
-	  } else if (typeof MutationObserver !== 'undefined' && (
-	    isNative(MutationObserver) ||
-	    // PhantomJS and iOS 7.x
-	    MutationObserver.toString() === '[object MutationObserverConstructor]'
-	  )) {
-	    // use MutationObserver where native Promise is not available,
-	    // e.g. PhantomJS IE11, iOS7, Android 4.4
-	    var counter = 1;
-	    var observer = new MutationObserver(nextTickHandler);
-	    var textNode = document.createTextNode(String(counter));
-	    observer.observe(textNode, {
-	      characterData: true
-	    });
-	    timerFunc = function () {
-	      counter = (counter + 1) % 2;
-	      textNode.data = String(counter);
-	    };
-	  } else {
-	    // fallback to setTimeout
-	    /* istanbul ignore next */
-	    timerFunc = function () {
-	      setTimeout(nextTickHandler, 0);
-	    };
-	  }
-
-	  return function queueNextTick (cb, ctx) {
-	    var _resolve;
-	    callbacks.push(function () {
-	      if (cb) { cb.call(ctx); }
-	      if (_resolve) { _resolve(ctx); }
-	    });
-	    if (!pending) {
-	      pending = true;
-	      timerFunc();
-	    }
-	    if (!cb && typeof Promise !== 'undefined') {
-	      return new Promise(function (resolve) {
-	        _resolve = resolve;
-	      })
-	    }
-	  }
-	})();
-
-	var _Set;
-	/* istanbul ignore if */
-	if (typeof Set !== 'undefined' && isNative(Set)) {
-	  // use native Set when available.
-	  _Set = Set;
-	} else {
-	  // a non-standard Set polyfill that only works with primitive keys.
-	  _Set = (function () {
-	    function Set () {
-	      this.set = Object.create(null);
-	    }
-	    Set.prototype.has = function has (key) {
-	      return this.set[key] === true
-	    };
-	    Set.prototype.add = function add (key) {
-	      this.set[key] = true;
-	    };
-	    Set.prototype.clear = function clear () {
-	      this.set = Object.create(null);
-	    };
-
-	    return Set;
-	  }());
-	}
-
-	var warn$1 = noop;
-	var formatComponentName$1;
-
-	/*  */
-
-
-	var uid$1 = 0;
-
-	/**
-	 * A dep is an observable that can have multiple
-	 * directives subscribing to it.
-	 */
-	var Dep = function Dep () {
-	  this.id = uid$1++;
-	  this.subs = [];
-	};
-
-	Dep.prototype.addSub = function addSub (sub) {
-	  this.subs.push(sub);
-	};
-
-	Dep.prototype.removeSub = function removeSub (sub) {
-	  remove$1(this.subs, sub);
-	};
-
-	Dep.prototype.depend = function depend () {
-	  if (Dep.target) {
-	    Dep.target.addDep(this);
-	  }
-	};
-
-	Dep.prototype.notify = function notify () {
-	  // stablize the subscriber list first
-	  var subs = this.subs.slice();
-	  for (var i = 0, l = subs.length; i < l; i++) {
-	    subs[i].update();
-	  }
-	};
-
-	// the current target watcher being evaluated.
-	// this is globally unique because there could be only one
-	// watcher being evaluated at any time.
-	Dep.target = null;
-	var targetStack = [];
-
-	function pushTarget (_target) {
-	  if (Dep.target) { targetStack.push(Dep.target); }
-	  Dep.target = _target;
-	}
-
-	function popTarget () {
-	  Dep.target = targetStack.pop();
-	}
-
-	/*
-	 * not type checking this file because flow doesn't play well with
-	 * dynamically accessing methods on Array prototype
-	 */
-
-	var arrayProto = Array.prototype;
-	var arrayMethods = Object.create(arrayProto);[
-	  'push',
-	  'pop',
-	  'shift',
-	  'unshift',
-	  'splice',
-	  'sort',
-	  'reverse'
-	]
-	.forEach(function (method) {
-	  // cache original method
-	  var original = arrayProto[method];
-	  def(arrayMethods, method, function mutator () {
-	    var arguments$1 = arguments;
-
-	    // avoid leaking arguments:
-	    // http://jsperf.com/closure-with-arguments
-	    var i = arguments.length;
-	    var args = new Array(i);
-	    while (i--) {
-	      args[i] = arguments$1[i];
-	    }
-	    var result = original.apply(this, args);
-	    var ob = this.__ob__;
-	    var inserted;
-	    switch (method) {
-	      case 'push':
-	        inserted = args;
-	        break
-	      case 'unshift':
-	        inserted = args;
-	        break
-	      case 'splice':
-	        inserted = args.slice(2);
-	        break
-	    }
-	    if (inserted) { ob.observeArray(inserted); }
-	    // notify change
-	    ob.dep.notify();
-	    return result
-	  });
-	});
-
-	/*  */
-
-	var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
-
-	/**
-	 * By default, when a reactive property is set, the new value is
-	 * also converted to become reactive. However when passing down props,
-	 * we don't want to force conversion because the value may be a nested value
-	 * under a frozen data structure. Converting it would defeat the optimization.
-	 */
-	var observerState = {
-	  shouldConvert: true,
-	  isSettingProps: false
-	};
-
-	/**
-	 * Observer class that are attached to each observed
-	 * object. Once attached, the observer converts target
-	 * object's property keys into getter/setters that
-	 * collect dependencies and dispatches updates.
-	 */
-	var Observer = function Observer (value) {
-	  this.value = value;
-	  this.dep = new Dep();
-	  this.vmCount = 0;
-	  def(value, '__ob__', this);
-	  if (Array.isArray(value)) {
-	    var augment = hasProto
-	      ? protoAugment
-	      : copyAugment;
-	    augment(value, arrayMethods, arrayKeys);
-	    this.observeArray(value);
-	  } else {
-	    this.walk(value);
-	  }
-	};
-
-	/**
-	 * Walk through each property and convert them into
-	 * getter/setters. This method should only be called when
-	 * value type is Object.
-	 */
-	Observer.prototype.walk = function walk (obj) {
-	  var keys = Object.keys(obj);
-	  for (var i = 0; i < keys.length; i++) {
-	    defineReactive$$1(obj, keys[i], obj[keys[i]]);
-	  }
-	};
-
-	/**
-	 * Observe a list of Array items.
-	 */
-	Observer.prototype.observeArray = function observeArray (items) {
-	  for (var i = 0, l = items.length; i < l; i++) {
-	    observe(items[i]);
-	  }
-	};
-
-	// helpers
-
-	/**
-	 * Augment an target Object or Array by intercepting
-	 * the prototype chain using __proto__
-	 */
-	function protoAugment (target, src) {
-	  /* eslint-disable no-proto */
-	  target.__proto__ = src;
-	  /* eslint-enable no-proto */
-	}
-
-	/**
-	 * Augment an target Object or Array by defining
-	 * hidden properties.
-	 */
-	/* istanbul ignore next */
-	function copyAugment (target, src, keys) {
-	  for (var i = 0, l = keys.length; i < l; i++) {
-	    var key = keys[i];
-	    def(target, key, src[key]);
-	  }
-	}
-
-	/**
-	 * Attempt to create an observer instance for a value,
-	 * returns the new observer if successfully observed,
-	 * or the existing observer if the value already has one.
-	 */
-	function observe (value, asRootData) {
-	  if (!isObject(value)) {
-	    return
-	  }
-	  var ob;
-	  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
-	    ob = value.__ob__;
-	  } else if (
-	    observerState.shouldConvert &&
-	    !isServerRendering() &&
-	    (Array.isArray(value) || isPlainObject(value)) &&
-	    Object.isExtensible(value) &&
-	    !value._isVue
-	  ) {
-	    ob = new Observer(value);
-	  }
-	  if (asRootData && ob) {
-	    ob.vmCount++;
-	  }
-	  return ob
-	}
-
-	/**
-	 * Define a reactive property on an Object.
-	 */
-	function defineReactive$$1 (
-	  obj,
-	  key,
-	  val,
-	  customSetter
-	) {
-	  var dep = new Dep();
-
-	  var property = Object.getOwnPropertyDescriptor(obj, key);
-	  if (property && property.configurable === false) {
-	    return
-	  }
-
-	  // cater for pre-defined getter/setters
-	  var getter = property && property.get;
-	  var setter = property && property.set;
-
-	  var childOb = observe(val);
-	  Object.defineProperty(obj, key, {
-	    enumerable: true,
-	    configurable: true,
-	    get: function reactiveGetter () {
-	      var value = getter ? getter.call(obj) : val;
-	      if (Dep.target) {
-	        dep.depend();
-	        if (childOb) {
-	          childOb.dep.depend();
-	        }
-	        if (Array.isArray(value)) {
-	          dependArray(value);
-	        }
-	      }
-	      return value
-	    },
-	    set: function reactiveSetter (newVal) {
-	      var value = getter ? getter.call(obj) : val;
-	      /* eslint-disable no-self-compare */
-	      if (newVal === value || (newVal !== newVal && value !== value)) {
-	        return
-	      }
-	      /* eslint-enable no-self-compare */
-	      if ("production" !== 'production' && customSetter) {}
-	      if (setter) {
-	        setter.call(obj, newVal);
-	      } else {
-	        val = newVal;
-	      }
-	      childOb = observe(newVal);
-	      dep.notify();
-	    }
-	  });
-	}
-
-	/**
-	 * Set a property on an object. Adds the new property and
-	 * triggers change notification if the property doesn't
-	 * already exist.
-	 */
-	function set$1 (obj, key, val) {
-	  if (Array.isArray(obj)) {
-	    obj.length = Math.max(obj.length, key);
-	    obj.splice(key, 1, val);
-	    return val
-	  }
-	  if (hasOwn(obj, key)) {
-	    obj[key] = val;
-	    return
-	  }
-	  var ob = obj.__ob__;
-	  if (obj._isVue || (ob && ob.vmCount)) {
-	    "production" !== 'production' && warn$1(
-	      'Avoid adding reactive properties to a Vue instance or its root $data ' +
-	      'at runtime - declare it upfront in the data option.'
-	    );
-	    return
-	  }
-	  if (!ob) {
-	    obj[key] = val;
-	    return
-	  }
-	  defineReactive$$1(ob.value, key, val);
-	  ob.dep.notify();
-	  return val
-	}
-
-	/**
-	 * Delete a property and trigger change if necessary.
-	 */
-	function del (obj, key) {
-	  var ob = obj.__ob__;
-	  if (obj._isVue || (ob && ob.vmCount)) {
-	    "production" !== 'production' && warn$1(
-	      'Avoid deleting properties on a Vue instance or its root $data ' +
-	      '- just set it to null.'
-	    );
-	    return
-	  }
-	  if (!hasOwn(obj, key)) {
-	    return
-	  }
-	  delete obj[key];
-	  if (!ob) {
-	    return
-	  }
-	  ob.dep.notify();
-	}
-
-	/**
-	 * Collect dependencies on array elements when the array is touched, since
-	 * we cannot intercept array element access like property getters.
-	 */
-	function dependArray (value) {
-	  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
-	    e = value[i];
-	    e && e.__ob__ && e.__ob__.dep.depend();
-	    if (Array.isArray(e)) {
-	      dependArray(e);
-	    }
-	  }
-	}
-
-	/*  */
-
-	/**
-	 * Option overwriting strategies are functions that handle
-	 * how to merge a parent option value and a child option
-	 * value into the final value.
-	 */
-	var strats = config.optionMergeStrategies;
-
-	/**
-	 * Helper that recursively merges two data objects together.
-	 */
-	function mergeData (to, from) {
-	  if (!from) { return to }
-	  var key, toVal, fromVal;
-	  var keys = Object.keys(from);
-	  for (var i = 0; i < keys.length; i++) {
-	    key = keys[i];
-	    toVal = to[key];
-	    fromVal = from[key];
-	    if (!hasOwn(to, key)) {
-	      set$1(to, key, fromVal);
-	    } else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
-	      mergeData(toVal, fromVal);
-	    }
-	  }
-	  return to
-	}
-
-	/**
-	 * Data
-	 */
-	strats.data = function (
-	  parentVal,
-	  childVal,
-	  vm
-	) {
-	  if (!vm) {
-	    // in a Vue.extend merge, both should be functions
-	    if (!childVal) {
-	      return parentVal
-	    }
-	    if (typeof childVal !== 'function') {
-	      "production" !== 'production' && warn$1(
-	        'The "data" option should be a function ' +
-	        'that returns a per-instance value in component ' +
-	        'definitions.',
-	        vm
-	      );
-	      return parentVal
-	    }
-	    if (!parentVal) {
-	      return childVal
-	    }
-	    // when parentVal & childVal are both present,
-	    // we need to return a function that returns the
-	    // merged result of both functions... no need to
-	    // check if parentVal is a function here because
-	    // it has to be a function to pass previous merges.
-	    return function mergedDataFn () {
-	      return mergeData(
-	        childVal.call(this),
-	        parentVal.call(this)
-	      )
-	    }
-	  } else if (parentVal || childVal) {
-	    return function mergedInstanceDataFn () {
-	      // instance merge
-	      var instanceData = typeof childVal === 'function'
-	        ? childVal.call(vm)
-	        : childVal;
-	      var defaultData = typeof parentVal === 'function'
-	        ? parentVal.call(vm)
-	        : undefined;
-	      if (instanceData) {
-	        return mergeData(instanceData, defaultData)
-	      } else {
-	        return defaultData
-	      }
-	    }
-	  }
-	};
-
-	/**
-	 * Hooks and param attributes are merged as arrays.
-	 */
-	function mergeHook (
-	  parentVal,
-	  childVal
-	) {
-	  return childVal
-	    ? parentVal
-	      ? parentVal.concat(childVal)
-	      : Array.isArray(childVal)
-	        ? childVal
-	        : [childVal]
-	    : parentVal
-	}
-
-	config._lifecycleHooks.forEach(function (hook) {
-	  strats[hook] = mergeHook;
-	});
-
-	/**
-	 * Assets
-	 *
-	 * When a vm is present (instance creation), we need to do
-	 * a three-way merge between constructor options, instance
-	 * options and parent options.
-	 */
-	function mergeAssets (parentVal, childVal) {
-	  var res = Object.create(parentVal || null);
-	  return childVal
-	    ? extend(res, childVal)
-	    : res
-	}
-
-	config._assetTypes.forEach(function (type) {
-	  strats[type + 's'] = mergeAssets;
-	});
-
-	/**
-	 * Watchers.
-	 *
-	 * Watchers hashes should not overwrite one
-	 * another, so we merge them as arrays.
-	 */
-	strats.watch = function (parentVal, childVal) {
-	  /* istanbul ignore if */
-	  if (!childVal) { return parentVal }
-	  if (!parentVal) { return childVal }
-	  var ret = {};
-	  extend(ret, parentVal);
-	  for (var key in childVal) {
-	    var parent = ret[key];
-	    var child = childVal[key];
-	    if (parent && !Array.isArray(parent)) {
-	      parent = [parent];
-	    }
-	    ret[key] = parent
-	      ? parent.concat(child)
-	      : [child];
-	  }
-	  return ret
-	};
-
-	/**
-	 * Other object hashes.
-	 */
-	strats.props =
-	strats.methods =
-	strats.computed = function (parentVal, childVal) {
-	  if (!childVal) { return parentVal }
-	  if (!parentVal) { return childVal }
-	  var ret = Object.create(null);
-	  extend(ret, parentVal);
-	  extend(ret, childVal);
-	  return ret
-	};
-
-	/**
-	 * Default strategy.
-	 */
-	var defaultStrat = function (parentVal, childVal) {
-	  return childVal === undefined
-	    ? parentVal
-	    : childVal
-	};
-
-	/**
-	 * Ensure all props option syntax are normalized into the
-	 * Object-based format.
-	 */
-	function normalizeProps (options) {
-	  var props = options.props;
-	  if (!props) { return }
-	  var res = {};
-	  var i, val, name;
-	  if (Array.isArray(props)) {
-	    i = props.length;
-	    while (i--) {
-	      val = props[i];
-	      if (typeof val === 'string') {
-	        name = camelize(val);
-	        res[name] = { type: null };
-	      } else if ("production" !== 'production') {}
-	    }
-	  } else if (isPlainObject(props)) {
-	    for (var key in props) {
-	      val = props[key];
-	      name = camelize(key);
-	      res[name] = isPlainObject(val)
-	        ? val
-	        : { type: val };
-	    }
-	  }
-	  options.props = res;
-	}
-
-	/**
-	 * Normalize raw function directives into object format.
-	 */
-	function normalizeDirectives (options) {
-	  var dirs = options.directives;
-	  if (dirs) {
-	    for (var key in dirs) {
-	      var def = dirs[key];
-	      if (typeof def === 'function') {
-	        dirs[key] = { bind: def, update: def };
-	      }
-	    }
-	  }
-	}
-
-	/**
-	 * Merge two option objects into a new one.
-	 * Core utility used in both instantiation and inheritance.
-	 */
-	function mergeOptions (
-	  parent,
-	  child,
-	  vm
-	) {
-	  if ("production" !== 'production') {}
-	  normalizeProps(child);
-	  normalizeDirectives(child);
-	  var extendsFrom = child.extends;
-	  if (extendsFrom) {
-	    parent = typeof extendsFrom === 'function'
-	      ? mergeOptions(parent, extendsFrom.options, vm)
-	      : mergeOptions(parent, extendsFrom, vm);
-	  }
-	  if (child.mixins) {
-	    for (var i = 0, l = child.mixins.length; i < l; i++) {
-	      var mixin = child.mixins[i];
-	      if (mixin.prototype instanceof Vue$2) {
-	        mixin = mixin.options;
-	      }
-	      parent = mergeOptions(parent, mixin, vm);
-	    }
-	  }
-	  var options = {};
-	  var key;
-	  for (key in parent) {
-	    mergeField(key);
-	  }
-	  for (key in child) {
-	    if (!hasOwn(parent, key)) {
-	      mergeField(key);
-	    }
-	  }
-	  function mergeField (key) {
-	    var strat = strats[key] || defaultStrat;
-	    options[key] = strat(parent[key], child[key], vm, key);
-	  }
-	  return options
-	}
-
-	/**
-	 * Resolve an asset.
-	 * This function is used because child instances need access
-	 * to assets defined in its ancestor chain.
-	 */
-	function resolveAsset (
-	  options,
-	  type,
-	  id,
-	  warnMissing
-	) {
-	  /* istanbul ignore if */
-	  if (typeof id !== 'string') {
-	    return
-	  }
-	  var assets = options[type];
-	  // check local registration variations first
-	  if (hasOwn(assets, id)) { return assets[id] }
-	  var camelizedId = camelize(id);
-	  if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
-	  var PascalCaseId = capitalize(camelizedId);
-	  if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
-	  // fallback to prototype chain
-	  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
-	  if ("production" !== 'production' && warnMissing && !res) {}
-	  return res
-	}
-
-	/*  */
-
-	function validateProp (
-	  key,
-	  propOptions,
-	  propsData,
-	  vm
-	) {
-	  var prop = propOptions[key];
-	  var absent = !hasOwn(propsData, key);
-	  var value = propsData[key];
-	  // handle boolean props
-	  if (isType(Boolean, prop.type)) {
-	    if (absent && !hasOwn(prop, 'default')) {
-	      value = false;
-	    } else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {
-	      value = true;
-	    }
-	  }
-	  // check default value
-	  if (value === undefined) {
-	    value = getPropDefaultValue(vm, prop, key);
-	    // since the default value is a fresh copy,
-	    // make sure to observe it.
-	    var prevShouldConvert = observerState.shouldConvert;
-	    observerState.shouldConvert = true;
-	    observe(value);
-	    observerState.shouldConvert = prevShouldConvert;
-	  }
-	  if ("production" !== 'production') {}
-	  return value
-	}
-
-	/**
-	 * Get the default value of a prop.
-	 */
-	function getPropDefaultValue (vm, prop, key) {
-	  // no default, return undefined
-	  if (!hasOwn(prop, 'default')) {
-	    return undefined
-	  }
-	  var def = prop.default;
-	  // warn against non-factory defaults for Object & Array
-	  if (isObject(def)) {
-	    "production" !== 'production' && warn$1(
-	      'Invalid default value for prop "' + key + '": ' +
-	      'Props with type Object/Array must use a factory function ' +
-	      'to return the default value.',
-	      vm
-	    );
-	  }
-	  // the raw prop value was also undefined from previous render,
-	  // return previous default value to avoid unnecessary watcher trigger
-	  if (vm && vm.$options.propsData &&
-	    vm.$options.propsData[key] === undefined &&
-	    vm[key] !== undefined) {
-	    return vm[key]
-	  }
-	  // call factory function for non-Function types
-	  return typeof def === 'function' && prop.type !== Function
-	    ? def.call(vm)
-	    : def
-	}
-
-	/**
-	 * Use function string name to check built-in types,
-	 * because a simple equality check will fail when running
-	 * across different vms / iframes.
-	 */
-	function getType (fn) {
-	  var match = fn && fn.toString().match(/^\s*function (\w+)/);
-	  return match && match[1]
-	}
-
-	function isType (type, fn) {
-	  if (!Array.isArray(fn)) {
-	    return getType(fn) === getType(type)
-	  }
-	  for (var i = 0, len = fn.length; i < len; i++) {
-	    if (getType(fn[i]) === getType(type)) {
-	      return true
-	    }
-	  }
-	  /* istanbul ignore next */
-	  return false
-	}
-
-
-
-	var util = Object.freeze({
-		defineReactive: defineReactive$$1,
-		_toString: _toString,
-		toNumber: toNumber,
-		makeMap: makeMap,
-		isBuiltInTag: isBuiltInTag,
-		remove: remove$1,
-		hasOwn: hasOwn,
-		isPrimitive: isPrimitive,
-		cached: cached,
-		camelize: camelize,
-		capitalize: capitalize,
-		hyphenate: hyphenate,
-		bind: bind$1,
-		toArray: toArray,
-		extend: extend,
-		isObject: isObject,
-		isPlainObject: isPlainObject,
-		toObject: toObject,
-		noop: noop,
-		no: no,
-		identity: identity,
-		genStaticKeys: genStaticKeys,
-		looseEqual: looseEqual,
-		looseIndexOf: looseIndexOf,
-		isReserved: isReserved,
-		def: def,
-		parsePath: parsePath,
-		hasProto: hasProto,
-		inBrowser: inBrowser,
-		UA: UA,
-		isIE: isIE,
-		isIE9: isIE9,
-		isEdge: isEdge,
-		isAndroid: isAndroid,
-		isIOS: isIOS,
-		isServerRendering: isServerRendering,
-		devtools: devtools,
-		nextTick: nextTick,
-		get _Set () { return _Set; },
-		mergeOptions: mergeOptions,
-		resolveAsset: resolveAsset,
-		get warn () { return warn$1; },
-		get formatComponentName () { return formatComponentName$1; },
-		validateProp: validateProp
-	});
-
-	/*  */
-
-
-	var queue = [];
-	var has$1 = {};
-	var waiting = false;
-	var flushing = false;
-	var index = 0;
-
-	/**
-	 * Reset the scheduler's state.
-	 */
-	function resetSchedulerState () {
-	  queue.length = 0;
-	  has$1 = {};
-	  if ("production" !== 'production') {}
-	  waiting = flushing = false;
-	}
-
-	/**
-	 * Flush both queues and run the watchers.
-	 */
-	function flushSchedulerQueue () {
-	  flushing = true;
-
-	  // Sort queue before flush.
-	  // This ensures that:
-	  // 1. Components are updated from parent to child. (because parent is always
-	  //    created before the child)
-	  // 2. A component's user watchers are run before its render watcher (because
-	  //    user watchers are created before the render watcher)
-	  // 3. If a component is destroyed during a parent component's watcher run,
-	  //    its watchers can be skipped.
-	  queue.sort(function (a, b) { return a.id - b.id; });
-
-	  // do not cache length because more watchers might be pushed
-	  // as we run existing watchers
-	  for (index = 0; index < queue.length; index++) {
-	    var watcher = queue[index];
-	    var id = watcher.id;
-	    has$1[id] = null;
-	    watcher.run();
-	    // in dev build, check and stop circular updates.
-	    if ("production" !== 'production' && has$1[id] != null) {}
-	  }
-
-	  // devtool hook
-	  /* istanbul ignore if */
-	  if (devtools && config.devtools) {
-	    devtools.emit('flush');
-	  }
-
-	  resetSchedulerState();
-	}
-
-	/**
-	 * Push a watcher into the watcher queue.
-	 * Jobs with duplicate IDs will be skipped unless it's
-	 * pushed when the queue is being flushed.
-	 */
-	function queueWatcher (watcher) {
-	  var id = watcher.id;
-	  if (has$1[id] == null) {
-	    has$1[id] = true;
-	    if (!flushing) {
-	      queue.push(watcher);
-	    } else {
-	      // if already flushing, splice the watcher based on its id
-	      // if already past its id, it will be run next immediately.
-	      var i = queue.length - 1;
-	      while (i >= 0 && queue[i].id > watcher.id) {
-	        i--;
-	      }
-	      queue.splice(Math.max(i, index) + 1, 0, watcher);
-	    }
-	    // queue the flush
-	    if (!waiting) {
-	      waiting = true;
-	      nextTick(flushSchedulerQueue);
-	    }
-	  }
-	}
-
-	/*  */
-
-	var uid$2 = 0;
-
-	/**
-	 * A watcher parses an expression, collects dependencies,
-	 * and fires callback when the expression value changes.
-	 * This is used for both the $watch() api and directives.
-	 */
-	var Watcher = function Watcher (
-	  vm,
-	  expOrFn,
-	  cb,
-	  options
-	) {
-	  this.vm = vm;
-	  vm._watchers.push(this);
-	  // options
-	  if (options) {
-	    this.deep = !!options.deep;
-	    this.user = !!options.user;
-	    this.lazy = !!options.lazy;
-	    this.sync = !!options.sync;
-	  } else {
-	    this.deep = this.user = this.lazy = this.sync = false;
-	  }
-	  this.cb = cb;
-	  this.id = ++uid$2; // uid for batching
-	  this.active = true;
-	  this.dirty = this.lazy; // for lazy watchers
-	  this.deps = [];
-	  this.newDeps = [];
-	  this.depIds = new _Set();
-	  this.newDepIds = new _Set();
-	  this.expression = '';
-	  // parse expression for getter
-	  if (typeof expOrFn === 'function') {
-	    this.getter = expOrFn;
-	  } else {
-	    this.getter = parsePath(expOrFn);
-	    if (!this.getter) {
-	      this.getter = function () {};
-	      "production" !== 'production' && warn$1(
-	        "Failed watching path: \"" + expOrFn + "\" " +
-	        'Watcher only accepts simple dot-delimited paths. ' +
-	        'For full control, use a function instead.',
-	        vm
-	      );
-	    }
-	  }
-	  this.value = this.lazy
-	    ? undefined
-	    : this.get();
-	};
-
-	/**
-	 * Evaluate the getter, and re-collect dependencies.
-	 */
-	Watcher.prototype.get = function get () {
-	  pushTarget(this);
-	  var value = this.getter.call(this.vm, this.vm);
-	  // "touch" every property so they are all tracked as
-	  // dependencies for deep watching
-	  if (this.deep) {
-	    traverse(value);
-	  }
-	  popTarget();
-	  this.cleanupDeps();
-	  return value
-	};
-
-	/**
-	 * Add a dependency to this directive.
-	 */
-	Watcher.prototype.addDep = function addDep (dep) {
-	  var id = dep.id;
-	  if (!this.newDepIds.has(id)) {
-	    this.newDepIds.add(id);
-	    this.newDeps.push(dep);
-	    if (!this.depIds.has(id)) {
-	      dep.addSub(this);
-	    }
-	  }
-	};
-
-	/**
-	 * Clean up for dependency collection.
-	 */
-	Watcher.prototype.cleanupDeps = function cleanupDeps () {
-	    var this$1 = this;
-
-	  var i = this.deps.length;
-	  while (i--) {
-	    var dep = this$1.deps[i];
-	    if (!this$1.newDepIds.has(dep.id)) {
-	      dep.removeSub(this$1);
-	    }
-	  }
-	  var tmp = this.depIds;
-	  this.depIds = this.newDepIds;
-	  this.newDepIds = tmp;
-	  this.newDepIds.clear();
-	  tmp = this.deps;
-	  this.deps = this.newDeps;
-	  this.newDeps = tmp;
-	  this.newDeps.length = 0;
-	};
-
-	/**
-	 * Subscriber interface.
-	 * Will be called when a dependency changes.
-	 */
-	Watcher.prototype.update = function update () {
-	  /* istanbul ignore else */
-	  if (this.lazy) {
-	    this.dirty = true;
-	  } else if (this.sync) {
-	    this.run();
-	  } else {
-	    queueWatcher(this);
-	  }
-	};
-
-	/**
-	 * Scheduler job interface.
-	 * Will be called by the scheduler.
-	 */
-	Watcher.prototype.run = function run () {
-	  if (this.active) {
-	    var value = this.get();
-	    if (
-	      value !== this.value ||
-	      // Deep watchers and watchers on Object/Arrays should fire even
-	      // when the value is the same, because the value may
-	      // have mutated.
-	      isObject(value) ||
-	      this.deep
-	    ) {
-	      // set new value
-	      var oldValue = this.value;
-	      this.value = value;
-	      if (this.user) {
-	        try {
-	          this.cb.call(this.vm, value, oldValue);
-	        } catch (e) {
-	          /* istanbul ignore else */
-	          if (config.errorHandler) {
-	            config.errorHandler.call(null, e, this.vm);
-	          } else {
-	            "production" !== 'production' && warn$1(
-	              ("Error in watcher \"" + (this.expression) + "\""),
-	              this.vm
-	            );
-	            throw e
-	          }
-	        }
-	      } else {
-	        this.cb.call(this.vm, value, oldValue);
-	      }
-	    }
-	  }
-	};
-
-	/**
-	 * Evaluate the value of the watcher.
-	 * This only gets called for lazy watchers.
-	 */
-	Watcher.prototype.evaluate = function evaluate () {
-	  this.value = this.get();
-	  this.dirty = false;
-	};
-
-	/**
-	 * Depend on all deps collected by this watcher.
-	 */
-	Watcher.prototype.depend = function depend () {
-	    var this$1 = this;
-
-	  var i = this.deps.length;
-	  while (i--) {
-	    this$1.deps[i].depend();
-	  }
-	};
-
-	/**
-	 * Remove self from all dependencies' subscriber list.
-	 */
-	Watcher.prototype.teardown = function teardown () {
-	    var this$1 = this;
-
-	  if (this.active) {
-	    // remove self from vm's watcher list
-	    // this is a somewhat expensive operation so we skip it
-	    // if the vm is being destroyed.
-	    if (!this.vm._isBeingDestroyed) {
-	      remove$1(this.vm._watchers, this);
-	    }
-	    var i = this.deps.length;
-	    while (i--) {
-	      this$1.deps[i].removeSub(this$1);
-	    }
-	    this.active = false;
-	  }
-	};
-
-	/**
-	 * Recursively traverse an object to evoke all converted
-	 * getters, so that every nested property inside the object
-	 * is collected as a "deep" dependency.
-	 */
-	var seenObjects = new _Set();
-	function traverse (val) {
-	  seenObjects.clear();
-	  _traverse(val, seenObjects);
-	}
-
-	function _traverse (val, seen) {
-	  var i, keys;
-	  var isA = Array.isArray(val);
-	  if ((!isA && !isObject(val)) || !Object.isExtensible(val)) {
-	    return
-	  }
-	  if (val.__ob__) {
-	    var depId = val.__ob__.dep.id;
-	    if (seen.has(depId)) {
-	      return
-	    }
-	    seen.add(depId);
-	  }
-	  if (isA) {
-	    i = val.length;
-	    while (i--) { _traverse(val[i], seen); }
-	  } else {
-	    keys = Object.keys(val);
-	    i = keys.length;
-	    while (i--) { _traverse(val[keys[i]], seen); }
-	  }
-	}
-
-	/*  */
-
-	function initState (vm) {
-	  vm._watchers = [];
-	  var opts = vm.$options;
-	  if (opts.props) { initProps(vm, opts.props); }
-	  if (opts.methods) { initMethods(vm, opts.methods); }
-	  if (opts.data) {
-	    initData(vm);
-	  } else {
-	    observe(vm._data = {}, true /* asRootData */);
-	  }
-	  if (opts.computed) { initComputed(vm, opts.computed); }
-	  if (opts.watch) { initWatch(vm, opts.watch); }
-	}
-
-	function initProps (vm, props) {
-	  var propsData = vm.$options.propsData || {};
-	  var keys = vm.$options._propKeys = Object.keys(props);
-	  var isRoot = !vm.$parent;
-	  // root instance props should be converted
-	  observerState.shouldConvert = isRoot;
-	  var loop = function ( i ) {
-	    var key = keys[i];
-	    /* istanbul ignore else */
-	    if ("production" !== 'production') {} else {
-	      defineReactive$$1(vm, key, validateProp(key, props, propsData, vm));
-	    }
-	  };
-
-	  for (var i = 0; i < keys.length; i++) { loop( i ); }
-	  observerState.shouldConvert = true;
-	}
-
-	function initData (vm) {
-	  var data = vm.$options.data;
-	  data = vm._data = typeof data === 'function'
-	    ? data.call(vm)
-	    : data || {};
-	  if (!isPlainObject(data)) {
-	    data = {};
-	    "production" !== 'production' && warn$1(
-	      'data functions should return an object:\n' +
-	      'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
-	      vm
-	    );
-	  }
-	  // proxy data on instance
-	  var keys = Object.keys(data);
-	  var props = vm.$options.props;
-	  var i = keys.length;
-	  while (i--) {
-	    if (props && hasOwn(props, keys[i])) {
-	      "production" !== 'production' && warn$1(
-	        "The data property \"" + (keys[i]) + "\" is already declared as a prop. " +
-	        "Use prop default value instead.",
-	        vm
-	      );
-	    } else {
-	      proxy(vm, keys[i]);
-	    }
-	  }
-	  // observe data
-	  observe(data, true /* asRootData */);
-	}
-
-	var computedSharedDefinition = {
-	  enumerable: true,
-	  configurable: true,
-	  get: noop,
-	  set: noop
-	};
-
-	function initComputed (vm, computed) {
-	  for (var key in computed) {
-	    /* istanbul ignore if */
-	    if ("production" !== 'production' && key in vm) {}
-	    var userDef = computed[key];
-	    if (typeof userDef === 'function') {
-	      computedSharedDefinition.get = makeComputedGetter(userDef, vm);
-	      computedSharedDefinition.set = noop;
-	    } else {
-	      computedSharedDefinition.get = userDef.get
-	        ? userDef.cache !== false
-	          ? makeComputedGetter(userDef.get, vm)
-	          : bind$1(userDef.get, vm)
-	        : noop;
-	      computedSharedDefinition.set = userDef.set
-	        ? bind$1(userDef.set, vm)
-	        : noop;
-	    }
-	    Object.defineProperty(vm, key, computedSharedDefinition);
-	  }
-	}
-
-	function makeComputedGetter (getter, owner) {
-	  var watcher = new Watcher(owner, getter, noop, {
-	    lazy: true
-	  });
-	  return function computedGetter () {
-	    if (watcher.dirty) {
-	      watcher.evaluate();
-	    }
-	    if (Dep.target) {
-	      watcher.depend();
-	    }
-	    return watcher.value
-	  }
-	}
-
-	function initMethods (vm, methods) {
-	  for (var key in methods) {
-	    vm[key] = methods[key] == null ? noop : bind$1(methods[key], vm);
-	    if ("production" !== 'production' && methods[key] == null) {}
-	  }
-	}
-
-	function initWatch (vm, watch) {
-	  for (var key in watch) {
-	    var handler = watch[key];
-	    if (Array.isArray(handler)) {
-	      for (var i = 0; i < handler.length; i++) {
-	        createWatcher(vm, key, handler[i]);
-	      }
-	    } else {
-	      createWatcher(vm, key, handler);
-	    }
-	  }
-	}
-
-	function createWatcher (vm, key, handler) {
-	  var options;
-	  if (isPlainObject(handler)) {
-	    options = handler;
-	    handler = handler.handler;
-	  }
-	  if (typeof handler === 'string') {
-	    handler = vm[handler];
-	  }
-	  vm.$watch(key, handler, options);
-	}
-
-	function stateMixin (Vue) {
-	  // flow somehow has problems with directly declared definition object
-	  // when using Object.defineProperty, so we have to procedurally build up
-	  // the object here.
-	  var dataDef = {};
-	  dataDef.get = function () {
-	    return this._data
-	  };
-	  if ("production" !== 'production') {}
-	  Object.defineProperty(Vue.prototype, '$data', dataDef);
-
-	  Vue.prototype.$set = set$1;
-	  Vue.prototype.$delete = del;
-
-	  Vue.prototype.$watch = function (
-	    expOrFn,
-	    cb,
-	    options
-	  ) {
-	    var vm = this;
-	    options = options || {};
-	    options.user = true;
-	    var watcher = new Watcher(vm, expOrFn, cb, options);
-	    if (options.immediate) {
-	      cb.call(vm, watcher.value);
-	    }
-	    return function unwatchFn () {
-	      watcher.teardown();
-	    }
-	  };
-	}
-
-	function proxy (vm, key) {
-	  if (!isReserved(key)) {
-	    Object.defineProperty(vm, key, {
-	      configurable: true,
-	      enumerable: true,
-	      get: function proxyGetter () {
-	        return vm._data[key]
-	      },
-	      set: function proxySetter (val) {
-	        vm._data[key] = val;
-	      }
-	    });
-	  }
-	}
-
-	/*  */
-
-	var VNode = function VNode (
-	  tag,
-	  data,
-	  children,
-	  text,
-	  elm,
-	  context,
-	  componentOptions
-	) {
-	  this.tag = tag;
-	  this.data = data;
-	  this.children = children;
-	  this.text = text;
-	  this.elm = elm;
-	  this.ns = undefined;
-	  this.context = context;
-	  this.functionalContext = undefined;
-	  this.key = data && data.key;
-	  this.componentOptions = componentOptions;
-	  this.child = undefined;
-	  this.parent = undefined;
-	  this.raw = false;
-	  this.isStatic = false;
-	  this.isRootInsert = true;
-	  this.isComment = false;
-	  this.isCloned = false;
-	  this.isOnce = false;
-	};
-
-	var createEmptyVNode = function () {
-	  var node = new VNode();
-	  node.text = '';
-	  node.isComment = true;
-	  return node
-	};
-
-	function createTextVNode (val) {
-	  return new VNode(undefined, undefined, undefined, String(val))
-	}
-
-	// optimized shallow clone
-	// used for static nodes and slot nodes because they may be reused across
-	// multiple renders, cloning them avoids errors when DOM manipulations rely
-	// on their elm reference.
-	function cloneVNode (vnode) {
-	  var cloned = new VNode(
-	    vnode.tag,
-	    vnode.data,
-	    vnode.children,
-	    vnode.text,
-	    vnode.elm,
-	    vnode.context,
-	    vnode.componentOptions
-	  );
-	  cloned.ns = vnode.ns;
-	  cloned.isStatic = vnode.isStatic;
-	  cloned.key = vnode.key;
-	  cloned.isCloned = true;
-	  return cloned
-	}
-
-	function cloneVNodes (vnodes) {
-	  var res = new Array(vnodes.length);
-	  for (var i = 0; i < vnodes.length; i++) {
-	    res[i] = cloneVNode(vnodes[i]);
-	  }
-	  return res
-	}
-
-	/*  */
-
-	function mergeVNodeHook (def, hookKey, hook, key) {
-	  key = key + hookKey;
-	  var injectedHash = def.__injected || (def.__injected = {});
-	  if (!injectedHash[key]) {
-	    injectedHash[key] = true;
-	    var oldHook = def[hookKey];
-	    if (oldHook) {
-	      def[hookKey] = function () {
-	        oldHook.apply(this, arguments);
-	        hook.apply(this, arguments);
-	      };
-	    } else {
-	      def[hookKey] = hook;
-	    }
-	  }
-	}
-
-	/*  */
-
-	function updateListeners (
-	  on,
-	  oldOn,
-	  add,
-	  remove$$1,
-	  vm
-	) {
-	  var name, cur, old, fn, event, capture, once;
-	  for (name in on) {
-	    cur = on[name];
-	    old = oldOn[name];
-	    if (!cur) {
-	      "production" !== 'production' && warn$1(
-	        "Invalid handler for event \"" + name + "\": got " + String(cur),
-	        vm
-	      );
-	    } else if (!old) {
-	      once = name.charAt(0) === '~'; // Prefixed last, checked first
-	      event = once ? name.slice(1) : name;
-	      capture = event.charAt(0) === '!';
-	      event = capture ? event.slice(1) : event;
-	      if (Array.isArray(cur)) {
-	        add(event, (cur.invoker = arrInvoker(cur)), once, capture);
-	      } else {
-	        if (!cur.invoker) {
-	          fn = cur;
-	          cur = on[name] = {};
-	          cur.fn = fn;
-	          cur.invoker = fnInvoker(cur);
-	        }
-	        add(event, cur.invoker, once, capture);
-	      }
-	    } else if (cur !== old) {
-	      if (Array.isArray(old)) {
-	        old.length = cur.length;
-	        for (var i = 0; i < old.length; i++) { old[i] = cur[i]; }
-	        on[name] = old;
-	      } else {
-	        old.fn = cur;
-	        on[name] = old;
-	      }
-	    }
-	  }
-	  for (name in oldOn) {
-	    if (!on[name]) {
-	      once = name.charAt(0) === '~'; // Prefixed last, checked first
-	      event = once ? name.slice(1) : name;
-	      capture = event.charAt(0) === '!';
-	      event = capture ? event.slice(1) : event;
-	      remove$$1(event, oldOn[name].invoker, capture);
-	    }
-	  }
-	}
-
-	function arrInvoker (arr) {
-	  return function (ev) {
-	    var arguments$1 = arguments;
-
-	    var single = arguments.length === 1;
-	    for (var i = 0; i < arr.length; i++) {
-	      single ? arr[i](ev) : arr[i].apply(null, arguments$1);
-	    }
-	  }
-	}
-
-	function fnInvoker (o) {
-	  return function (ev) {
-	    var single = arguments.length === 1;
-	    single ? o.fn(ev) : o.fn.apply(null, arguments);
-	  }
-	}
-
-	/*  */
-
-	// The template compiler attempts to minimize the need for normalization by
-	// statically analyzing the template at compile time.
-	//
-	// For plain HTML markup, normalization can be completely skipped because the
-	// generated render function is guaranteed to return Array<VNode>. There are
-	// two cases where extra normalization is needed:
-
-	// 1. When the children contains components - because a functional component
-	// may return an Array instead of a single root. In this case, just a simple
-	// nomralization is needed - if any child is an Array, we flatten the whole
-	// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
-	// because functional components already normalize their own children.
-	function simpleNormalizeChildren (children) {
-	  for (var i = 0; i < children.length; i++) {
-	    if (Array.isArray(children[i])) {
-	      return Array.prototype.concat.apply([], children)
-	    }
-	  }
-	  return children
-	}
-
-	// 2. When the children contains constrcuts that always generated nested Arrays,
-	// e.g. <template>, <slot>, v-for, or when the children is provided by user
-	// with hand-written render functions / JSX. In such cases a full normalization
-	// is needed to cater to all possible types of children values.
-	function normalizeChildren (children) {
-	  return isPrimitive(children)
-	    ? [createTextVNode(children)]
-	    : Array.isArray(children)
-	      ? normalizeArrayChildren(children)
-	      : undefined
-	}
-
-	function normalizeArrayChildren (children, nestedIndex) {
-	  var res = [];
-	  var i, c, last;
-	  for (i = 0; i < children.length; i++) {
-	    c = children[i];
-	    if (c == null || typeof c === 'boolean') { continue }
-	    last = res[res.length - 1];
-	    //  nested
-	    if (Array.isArray(c)) {
-	      res.push.apply(res, normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i)));
-	    } else if (isPrimitive(c)) {
-	      if (last && last.text) {
-	        last.text += String(c);
-	      } else if (c !== '') {
-	        // convert primitive to vnode
-	        res.push(createTextVNode(c));
-	      }
-	    } else {
-	      if (c.text && last && last.text) {
-	        res[res.length - 1] = createTextVNode(last.text + c.text);
-	      } else {
-	        // default key for nested array children (likely generated by v-for)
-	        if (c.tag && c.key == null && nestedIndex != null) {
-	          c.key = "__vlist" + nestedIndex + "_" + i + "__";
-	        }
-	        res.push(c);
-	      }
-	    }
-	  }
-	  return res
-	}
-
-	/*  */
-
-	function getFirstComponentChild (children) {
-	  return children && children.filter(function (c) { return c && c.componentOptions; })[0]
-	}
-
-	/*  */
-
-	function initEvents (vm) {
-	  vm._events = Object.create(null);
-	  vm._hasHookEvent = false;
-	  // init parent attached events
-	  var listeners = vm.$options._parentListeners;
-	  if (listeners) {
-	    updateComponentListeners(vm, listeners);
-	  }
-	}
-
-	var target;
-
-	function add$1 (event, fn, once) {
-	  if (once) {
-	    target.$once(event, fn);
-	  } else {
-	    target.$on(event, fn);
-	  }
-	}
-
-	function remove$2 (event, fn) {
-	  target.$off(event, fn);
-	}
-
-	function updateComponentListeners (
-	  vm,
-	  listeners,
-	  oldListeners
-	) {
-	  target = vm;
-	  updateListeners(listeners, oldListeners || {}, add$1, remove$2, vm);
-	}
-
-	function eventsMixin (Vue) {
-	  var hookRE = /^hook:/;
-	  Vue.prototype.$on = function (event, fn) {
-	    var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn);
-	    // optimize hook:event cost by using a boolean flag marked at registration
-	    // instead of a hash lookup
-	    if (hookRE.test(event)) {
-	      vm._hasHookEvent = true;
-	    }
-	    return vm
-	  };
-
-	  Vue.prototype.$once = function (event, fn) {
-	    var vm = this;
-	    function on () {
-	      vm.$off(event, on);
-	      fn.apply(vm, arguments);
-	    }
-	    on.fn = fn;
-	    vm.$on(event, on);
-	    return vm
-	  };
-
-	  Vue.prototype.$off = function (event, fn) {
-	    var vm = this;
-	    // all
-	    if (!arguments.length) {
-	      vm._events = Object.create(null);
-	      return vm
-	    }
-	    // specific event
-	    var cbs = vm._events[event];
-	    if (!cbs) {
-	      return vm
-	    }
-	    if (arguments.length === 1) {
-	      vm._events[event] = null;
-	      return vm
-	    }
-	    // specific handler
-	    var cb;
-	    var i = cbs.length;
-	    while (i--) {
-	      cb = cbs[i];
-	      if (cb === fn || cb.fn === fn) {
-	        cbs.splice(i, 1);
-	        break
-	      }
-	    }
-	    return vm
-	  };
-
-	  Vue.prototype.$emit = function (event) {
-	    var vm = this;
-	    var cbs = vm._events[event];
-	    if (cbs) {
-	      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
-	      var args = toArray(arguments, 1);
-	      for (var i = 0, l = cbs.length; i < l; i++) {
-	        cbs[i].apply(vm, args);
-	      }
-	    }
-	    return vm
-	  };
-	}
-
-	/*  */
-
-	var activeInstance = null;
-
-	function initLifecycle (vm) {
-	  var options = vm.$options;
-
-	  // locate first non-abstract parent
-	  var parent = options.parent;
-	  if (parent && !options.abstract) {
-	    while (parent.$options.abstract && parent.$parent) {
-	      parent = parent.$parent;
-	    }
-	    parent.$children.push(vm);
-	  }
-
-	  vm.$parent = parent;
-	  vm.$root = parent ? parent.$root : vm;
-
-	  vm.$children = [];
-	  vm.$refs = {};
-
-	  vm._watcher = null;
-	  vm._inactive = false;
-	  vm._isMounted = false;
-	  vm._isDestroyed = false;
-	  vm._isBeingDestroyed = false;
-	}
-
-	function lifecycleMixin (Vue) {
-	  Vue.prototype._mount = function (
-	    el,
-	    hydrating
-	  ) {
-	    var vm = this;
-	    vm.$el = el;
-	    if (!vm.$options.render) {
-	      vm.$options.render = createEmptyVNode;
-	      if ("production" !== 'production') {}
-	    }
-	    callHook(vm, 'beforeMount');
-	    vm._watcher = new Watcher(vm, function () {
-	      vm._update(vm._render(), hydrating);
-	    }, noop);
-	    hydrating = false;
-	    // manually mounted instance, call mounted on self
-	    // mounted is called for render-created child components in its inserted hook
-	    if (vm.$vnode == null) {
-	      vm._isMounted = true;
-	      callHook(vm, 'mounted');
-	    }
-	    return vm
-	  };
-
-	  Vue.prototype._update = function (vnode, hydrating) {
-	    var vm = this;
-	    if (vm._isMounted) {
-	      callHook(vm, 'beforeUpdate');
-	    }
-	    var prevEl = vm.$el;
-	    var prevVnode = vm._vnode;
-	    var prevActiveInstance = activeInstance;
-	    activeInstance = vm;
-	    vm._vnode = vnode;
-	    // Vue.prototype.__patch__ is injected in entry points
-	    // based on the rendering backend used.
-	    if (!prevVnode) {
-	      // initial render
-	      vm.$el = vm.__patch__(
-	        vm.$el, vnode, hydrating, false /* removeOnly */,
-	        vm.$options._parentElm,
-	        vm.$options._refElm
-	      );
-	    } else {
-	      // updates
-	      vm.$el = vm.__patch__(prevVnode, vnode);
-	    }
-	    activeInstance = prevActiveInstance;
-	    // update __vue__ reference
-	    if (prevEl) {
-	      prevEl.__vue__ = null;
-	    }
-	    if (vm.$el) {
-	      vm.$el.__vue__ = vm;
-	    }
-	    // if parent is an HOC, update its $el as well
-	    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
-	      vm.$parent.$el = vm.$el;
-	    }
-	    if (vm._isMounted) {
-	      callHook(vm, 'updated');
-	    }
-	  };
-
-	  Vue.prototype._updateFromParent = function (
-	    propsData,
-	    listeners,
-	    parentVnode,
-	    renderChildren
-	  ) {
-	    var vm = this;
-	    var hasChildren = !!(vm.$options._renderChildren || renderChildren);
-	    vm.$options._parentVnode = parentVnode;
-	    vm.$vnode = parentVnode; // update vm's placeholder node without re-render
-	    if (vm._vnode) { // update child tree's parent
-	      vm._vnode.parent = parentVnode;
-	    }
-	    vm.$options._renderChildren = renderChildren;
-	    // update props
-	    if (propsData && vm.$options.props) {
-	      observerState.shouldConvert = false;
-	      if ("production" !== 'production') {}
-	      var propKeys = vm.$options._propKeys || [];
-	      for (var i = 0; i < propKeys.length; i++) {
-	        var key = propKeys[i];
-	        vm[key] = validateProp(key, vm.$options.props, propsData, vm);
-	      }
-	      observerState.shouldConvert = true;
-	      if ("production" !== 'production') {}
-	      vm.$options.propsData = propsData;
-	    }
-	    // update listeners
-	    if (listeners) {
-	      var oldListeners = vm.$options._parentListeners;
-	      vm.$options._parentListeners = listeners;
-	      updateComponentListeners(vm, listeners, oldListeners);
-	    }
-	    // resolve slots + force update if has children
-	    if (hasChildren) {
-	      vm.$slots = resolveSlots(renderChildren, parentVnode.context);
-	      vm.$forceUpdate();
-	    }
-	  };
-
-	  Vue.prototype.$forceUpdate = function () {
-	    var vm = this;
-	    if (vm._watcher) {
-	      vm._watcher.update();
-	    }
-	  };
-
-	  Vue.prototype.$destroy = function () {
-	    var vm = this;
-	    if (vm._isBeingDestroyed) {
-	      return
-	    }
-	    callHook(vm, 'beforeDestroy');
-	    vm._isBeingDestroyed = true;
-	    // remove self from parent
-	    var parent = vm.$parent;
-	    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
-	      remove$1(parent.$children, vm);
-	    }
-	    // teardown watchers
-	    if (vm._watcher) {
-	      vm._watcher.teardown();
-	    }
-	    var i = vm._watchers.length;
-	    while (i--) {
-	      vm._watchers[i].teardown();
-	    }
-	    // remove reference from data ob
-	    // frozen object may not have observer.
-	    if (vm._data.__ob__) {
-	      vm._data.__ob__.vmCount--;
-	    }
-	    // call the last hook...
-	    vm._isDestroyed = true;
-	    callHook(vm, 'destroyed');
-	    // turn off all instance listeners.
-	    vm.$off();
-	    // remove __vue__ reference
-	    if (vm.$el) {
-	      vm.$el.__vue__ = null;
-	    }
-	    // invoke destroy hooks on current rendered tree
-	    vm.__patch__(vm._vnode, null);
-	  };
-	}
-
-	function callHook (vm, hook) {
-	  var handlers = vm.$options[hook];
-	  if (handlers) {
-	    for (var i = 0, j = handlers.length; i < j; i++) {
-	      handlers[i].call(vm);
-	    }
-	  }
-	  if (vm._hasHookEvent) {
-	    vm.$emit('hook:' + hook);
-	  }
-	}
-
-	/*  */
-
-	var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy$1 };
-	var hooksToMerge = Object.keys(hooks);
-
-	function createComponent (
-	  Ctor,
-	  data,
-	  context,
-	  children,
-	  tag
-	) {
-	  if (!Ctor) {
-	    return
-	  }
-
-	  var baseCtor = context.$options._base;
-	  if (isObject(Ctor)) {
-	    Ctor = baseCtor.extend(Ctor);
-	  }
-
-	  if (typeof Ctor !== 'function') {
-	    if ("production" !== 'production') {}
-	    return
-	  }
-
-	  // async component
-	  if (!Ctor.cid) {
-	    if (Ctor.resolved) {
-	      Ctor = Ctor.resolved;
-	    } else {
-	      Ctor = resolveAsyncComponent(Ctor, baseCtor, function () {
-	        // it's ok to queue this on every render because
-	        // $forceUpdate is buffered by the scheduler.
-	        context.$forceUpdate();
-	      });
-	      if (!Ctor) {
-	        // return nothing if this is indeed an async component
-	        // wait for the callback to trigger parent update.
-	        return
-	      }
-	    }
-	  }
-
-	  // resolve constructor options in case global mixins are applied after
-	  // component constructor creation
-	  resolveConstructorOptions(Ctor);
-
-	  data = data || {};
-
-	  // extract props
-	  var propsData = extractProps(data, Ctor);
-
-	  // functional component
-	  if (Ctor.options.functional) {
-	    return createFunctionalComponent(Ctor, propsData, data, context, children)
-	  }
-
-	  // extract listeners, since these needs to be treated as
-	  // child component listeners instead of DOM listeners
-	  var listeners = data.on;
-	  // replace with listeners with .native modifier
-	  data.on = data.nativeOn;
-
-	  if (Ctor.options.abstract) {
-	    // abstract components do not keep anything
-	    // other than props & listeners
-	    data = {};
-	  }
-
-	  // merge component management hooks onto the placeholder node
-	  mergeHooks(data);
-
-	  // return a placeholder vnode
-	  var name = Ctor.options.name || tag;
-	  var vnode = new VNode(
-	    ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
-	    data, undefined, undefined, undefined, context,
-	    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }
-	  );
-	  return vnode
-	}
-
-	function createFunctionalComponent (
-	  Ctor,
-	  propsData,
-	  data,
-	  context,
-	  children
-	) {
-	  var props = {};
-	  var propOptions = Ctor.options.props;
-	  if (propOptions) {
-	    for (var key in propOptions) {
-	      props[key] = validateProp(key, propOptions, propsData);
-	    }
-	  }
-	  // ensure the createElement function in functional components
-	  // gets a unique context - this is necessary for correct named slot check
-	  var _context = Object.create(context);
-	  var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); };
-	  var vnode = Ctor.options.render.call(null, h, {
-	    props: props,
-	    data: data,
-	    parent: context,
-	    children: children,
-	    slots: function () { return resolveSlots(children, context); }
-	  });
-	  if (vnode instanceof VNode) {
-	    vnode.functionalContext = context;
-	    if (data.slot) {
-	      (vnode.data || (vnode.data = {})).slot = data.slot;
-	    }
-	  }
-	  return vnode
-	}
-
-	function createComponentInstanceForVnode (
-	  vnode, // we know it's MountedComponentVNode but flow doesn't
-	  parent, // activeInstance in lifecycle state
-	  parentElm,
-	  refElm
-	) {
-	  var vnodeComponentOptions = vnode.componentOptions;
-	  var options = {
-	    _isComponent: true,
-	    parent: parent,
-	    propsData: vnodeComponentOptions.propsData,
-	    _componentTag: vnodeComponentOptions.tag,
-	    _parentVnode: vnode,
-	    _parentListeners: vnodeComponentOptions.listeners,
-	    _renderChildren: vnodeComponentOptions.children,
-	    _parentElm: parentElm || null,
-	    _refElm: refElm || null
-	  };
-	  // check inline-template render functions
-	  var inlineTemplate = vnode.data.inlineTemplate;
-	  if (inlineTemplate) {
-	    options.render = inlineTemplate.render;
-	    options.staticRenderFns = inlineTemplate.staticRenderFns;
-	  }
-	  return new vnodeComponentOptions.Ctor(options)
-	}
-
-	function init (
-	  vnode,
-	  hydrating,
-	  parentElm,
-	  refElm
-	) {
-	  if (!vnode.child || vnode.child._isDestroyed) {
-	    var child = vnode.child = createComponentInstanceForVnode(
-	      vnode,
-	      activeInstance,
-	      parentElm,
-	      refElm
-	    );
-	    child.$mount(hydrating ? vnode.elm : undefined, hydrating);
-	  } else if (vnode.data.keepAlive) {
-	    // kept-alive components, treat as a patch
-	    var mountedNode = vnode; // work around flow
-	    prepatch(mountedNode, mountedNode);
-	  }
-	}
-
-	function prepatch (
-	  oldVnode,
-	  vnode
-	) {
-	  var options = vnode.componentOptions;
-	  var child = vnode.child = oldVnode.child;
-	  child._updateFromParent(
-	    options.propsData, // updated props
-	    options.listeners, // updated listeners
-	    vnode, // new parent vnode
-	    options.children // new children
-	  );
-	}
-
-	function insert (vnode) {
-	  if (!vnode.child._isMounted) {
-	    vnode.child._isMounted = true;
-	    callHook(vnode.child, 'mounted');
-	  }
-	  if (vnode.data.keepAlive) {
-	    vnode.child._inactive = false;
-	    callHook(vnode.child, 'activated');
-	  }
-	}
-
-	function destroy$1 (vnode) {
-	  if (!vnode.child._isDestroyed) {
-	    if (!vnode.data.keepAlive) {
-	      vnode.child.$destroy();
-	    } else {
-	      vnode.child._inactive = true;
-	      callHook(vnode.child, 'deactivated');
-	    }
-	  }
-	}
-
-	function resolveAsyncComponent (
-	  factory,
-	  baseCtor,
-	  cb
-	) {
-	  if (factory.requested) {
-	    // pool callbacks
-	    factory.pendingCallbacks.push(cb);
-	  } else {
-	    factory.requested = true;
-	    var cbs = factory.pendingCallbacks = [cb];
-	    var sync = true;
-
-	    var resolve = function (res) {
-	      if (isObject(res)) {
-	        res = baseCtor.extend(res);
-	      }
-	      // cache resolved
-	      factory.resolved = res;
-	      // invoke callbacks only if this is not a synchronous resolve
-	      // (async resolves are shimmed as synchronous during SSR)
-	      if (!sync) {
-	        for (var i = 0, l = cbs.length; i < l; i++) {
-	          cbs[i](res);
-	        }
-	      }
-	    };
-
-	    var reject = function (reason) {
-	      "production" !== 'production' && warn$1(
-	        "Failed to resolve async component: " + (String(factory)) +
-	        (reason ? ("\nReason: " + reason) : '')
-	      );
-	    };
-
-	    var res = factory(resolve, reject);
-
-	    // handle promise
-	    if (res && typeof res.then === 'function' && !factory.resolved) {
-	      res.then(resolve, reject);
-	    }
-
-	    sync = false;
-	    // return in case resolved synchronously
-	    return factory.resolved
-	  }
-	}
-
-	function extractProps (data, Ctor) {
-	  // we are only extracting raw values here.
-	  // validation and default values are handled in the child
-	  // component itself.
-	  var propOptions = Ctor.options.props;
-	  if (!propOptions) {
-	    return
-	  }
-	  var res = {};
-	  var attrs = data.attrs;
-	  var props = data.props;
-	  var domProps = data.domProps;
-	  if (attrs || props || domProps) {
-	    for (var key in propOptions) {
-	      var altKey = hyphenate(key);
-	      checkProp(res, props, key, altKey, true) ||
-	      checkProp(res, attrs, key, altKey) ||
-	      checkProp(res, domProps, key, altKey);
-	    }
-	  }
-	  return res
-	}
-
-	function checkProp (
-	  res,
-	  hash,
-	  key,
-	  altKey,
-	  preserve
-	) {
-	  if (hash) {
-	    if (hasOwn(hash, key)) {
-	      res[key] = hash[key];
-	      if (!preserve) {
-	        delete hash[key];
-	      }
-	      return true
-	    } else if (hasOwn(hash, altKey)) {
-	      res[key] = hash[altKey];
-	      if (!preserve) {
-	        delete hash[altKey];
-	      }
-	      return true
-	    }
-	  }
-	  return false
-	}
-
-	function mergeHooks (data) {
-	  if (!data.hook) {
-	    data.hook = {};
-	  }
-	  for (var i = 0; i < hooksToMerge.length; i++) {
-	    var key = hooksToMerge[i];
-	    var fromParent = data.hook[key];
-	    var ours = hooks[key];
-	    data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
-	  }
-	}
-
-	function mergeHook$1 (one, two) {
-	  return function (a, b, c, d) {
-	    one(a, b, c, d);
-	    two(a, b, c, d);
-	  }
-	}
-
-	/*  */
-
-	var SIMPLE_NORMALIZE = 1;
-	var ALWAYS_NORMALIZE = 2;
-
-	// wrapper function for providing a more flexible interface
-	// without getting yelled at by flow
-	function createElement (
-	  context,
-	  tag,
-	  data,
-	  children,
-	  normalizationType,
-	  alwaysNormalize
-	) {
-	  if (Array.isArray(data) || isPrimitive(data)) {
-	    normalizationType = children;
-	    children = data;
-	    data = undefined;
-	  }
-	  if (alwaysNormalize) { normalizationType = ALWAYS_NORMALIZE; }
-	  return _createElement(context, tag, data, children, normalizationType)
-	}
-
-	function _createElement (
-	  context,
-	  tag,
-	  data,
-	  children,
-	  normalizationType
-	) {
-	  if (data && data.__ob__) {
-	    "production" !== 'production' && warn$1(
-	      "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
-	      'Always create fresh vnode data objects in each render!',
-	      context
-	    );
-	    return createEmptyVNode()
-	  }
-	  if (!tag) {
-	    // in case of component :is set to falsy value
-	    return createEmptyVNode()
-	  }
-	  // support single function children as default scoped slot
-	  if (Array.isArray(children) &&
-	      typeof children[0] === 'function') {
-	    data = data || {};
-	    data.scopedSlots = { default: children[0] };
-	    children.length = 0;
-	  }
-	  if (normalizationType === ALWAYS_NORMALIZE) {
-	    children = normalizeChildren(children);
-	  } else if (normalizationType === SIMPLE_NORMALIZE) {
-	    children = simpleNormalizeChildren(children);
-	  }
-	  var vnode, ns;
-	  if (typeof tag === 'string') {
-	    var Ctor;
-	    ns = config.getTagNamespace(tag);
-	    if (config.isReservedTag(tag)) {
-	      // platform built-in elements
-	      vnode = new VNode(
-	        config.parsePlatformTagName(tag), data, children,
-	        undefined, undefined, context
-	      );
-	    } else if ((Ctor = resolveAsset(context.$options, 'components', tag))) {
-	      // component
-	      vnode = createComponent(Ctor, data, context, children, tag);
-	    } else {
-	      // unknown or unlisted namespaced elements
-	      // check at runtime because it may get assigned a namespace when its
-	      // parent normalizes children
-	      vnode = new VNode(
-	        tag, data, children,
-	        undefined, undefined, context
-	      );
-	    }
-	  } else {
-	    // direct component options / constructor
-	    vnode = createComponent(tag, data, context, children);
-	  }
-	  if (vnode) {
-	    if (ns) { applyNS(vnode, ns); }
-	    return vnode
-	  } else {
-	    return createEmptyVNode()
-	  }
-	}
-
-	function applyNS (vnode, ns) {
-	  vnode.ns = ns;
-	  if (vnode.tag === 'foreignObject') {
-	    // use default namespace inside foreignObject
-	    return
-	  }
-	  if (vnode.children) {
-	    for (var i = 0, l = vnode.children.length; i < l; i++) {
-	      var child = vnode.children[i];
-	      if (child.tag && !child.ns) {
-	        applyNS(child, ns);
-	      }
-	    }
-	  }
-	}
-
-	/*  */
-
-	function initRender (vm) {
-	  vm.$vnode = null; // the placeholder node in parent tree
-	  vm._vnode = null; // the root of the child tree
-	  vm._staticTrees = null;
-	  var parentVnode = vm.$options._parentVnode;
-	  var renderContext = parentVnode && parentVnode.context;
-	  vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);
-	  vm.$scopedSlots = {};
-	  // bind the createElement fn to this instance
-	  // so that we get proper render context inside it.
-	  // args order: tag, data, children, normalizationType, alwaysNormalize
-	  // internal version is used by render functions compiled from templates
-	  vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
-	  // normalization is always applied for the public version, used in
-	  // user-written render functions.
-	  vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
-	  if (vm.$options.el) {
-	    vm.$mount(vm.$options.el);
-	  }
-	}
-
-	function renderMixin (Vue) {
-	  Vue.prototype.$nextTick = function (fn) {
-	    return nextTick(fn, this)
-	  };
-
-	  Vue.prototype._render = function () {
-	    var vm = this;
-	    var ref = vm.$options;
-	    var render = ref.render;
-	    var staticRenderFns = ref.staticRenderFns;
-	    var _parentVnode = ref._parentVnode;
-
-	    if (vm._isMounted) {
-	      // clone slot nodes on re-renders
-	      for (var key in vm.$slots) {
-	        vm.$slots[key] = cloneVNodes(vm.$slots[key]);
-	      }
-	    }
-
-	    if (_parentVnode && _parentVnode.data.scopedSlots) {
-	      vm.$scopedSlots = _parentVnode.data.scopedSlots;
-	    }
-
-	    if (staticRenderFns && !vm._staticTrees) {
-	      vm._staticTrees = [];
-	    }
-	    // set parent vnode. this allows render functions to have access
-	    // to the data on the placeholder node.
-	    vm.$vnode = _parentVnode;
-	    // render self
-	    var vnode;
-	    try {
-	      vnode = render.call(vm._renderProxy, vm.$createElement);
-	    } catch (e) {
-	      /* istanbul ignore else */
-	      if (config.errorHandler) {
-	        config.errorHandler.call(null, e, vm);
-	      } else {
-	        if ("production" !== 'production') {}
-	        throw e
-	      }
-	      // return previous vnode to prevent render error causing blank component
-	      vnode = vm._vnode;
-	    }
-	    // return empty vnode in case the render function errored out
-	    if (!(vnode instanceof VNode)) {
-	      if ("production" !== 'production' && Array.isArray(vnode)) {}
-	      vnode = createEmptyVNode();
-	    }
-	    // set parent
-	    vnode.parent = _parentVnode;
-	    return vnode
-	  };
-
-	  // toString for mustaches
-	  Vue.prototype._s = _toString;
-	  // convert text to vnode
-	  Vue.prototype._v = createTextVNode;
-	  // number conversion
-	  Vue.prototype._n = toNumber;
-	  // empty vnode
-	  Vue.prototype._e = createEmptyVNode;
-	  // loose equal
-	  Vue.prototype._q = looseEqual;
-	  // loose indexOf
-	  Vue.prototype._i = looseIndexOf;
-
-	  // render static tree by index
-	  Vue.prototype._m = function renderStatic (
-	    index,
-	    isInFor
-	  ) {
-	    var tree = this._staticTrees[index];
-	    // if has already-rendered static tree and not inside v-for,
-	    // we can reuse the same tree by doing a shallow clone.
-	    if (tree && !isInFor) {
-	      return Array.isArray(tree)
-	        ? cloneVNodes(tree)
-	        : cloneVNode(tree)
-	    }
-	    // otherwise, render a fresh tree.
-	    tree = this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy);
-	    markStatic(tree, ("__static__" + index), false);
-	    return tree
-	  };
-
-	  // mark node as static (v-once)
-	  Vue.prototype._o = function markOnce (
-	    tree,
-	    index,
-	    key
-	  ) {
-	    markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
-	    return tree
-	  };
-
-	  function markStatic (tree, key, isOnce) {
-	    if (Array.isArray(tree)) {
-	      for (var i = 0; i < tree.length; i++) {
-	        if (tree[i] && typeof tree[i] !== 'string') {
-	          markStaticNode(tree[i], (key + "_" + i), isOnce);
-	        }
-	      }
-	    } else {
-	      markStaticNode(tree, key, isOnce);
-	    }
-	  }
-
-	  function markStaticNode (node, key, isOnce) {
-	    node.isStatic = true;
-	    node.key = key;
-	    node.isOnce = isOnce;
-	  }
-
-	  // filter resolution helper
-	  Vue.prototype._f = function resolveFilter (id) {
-	    return resolveAsset(this.$options, 'filters', id, true) || identity
-	  };
-
-	  // render v-for
-	  Vue.prototype._l = function renderList (
-	    val,
-	    render
-	  ) {
-	    var ret, i, l, keys, key;
-	    if (Array.isArray(val) || typeof val === 'string') {
-	      ret = new Array(val.length);
-	      for (i = 0, l = val.length; i < l; i++) {
-	        ret[i] = render(val[i], i);
-	      }
-	    } else if (typeof val === 'number') {
-	      ret = new Array(val);
-	      for (i = 0; i < val; i++) {
-	        ret[i] = render(i + 1, i);
-	      }
-	    } else if (isObject(val)) {
-	      keys = Object.keys(val);
-	      ret = new Array(keys.length);
-	      for (i = 0, l = keys.length; i < l; i++) {
-	        key = keys[i];
-	        ret[i] = render(val[key], key, i);
-	      }
-	    }
-	    return ret
-	  };
-
-	  // renderSlot
-	  Vue.prototype._t = function (
-	    name,
-	    fallback,
-	    props,
-	    bindObject
-	  ) {
-	    var scopedSlotFn = this.$scopedSlots[name];
-	    if (scopedSlotFn) { // scoped slot
-	      props = props || {};
-	      if (bindObject) {
-	        extend(props, bindObject);
-	      }
-	      return scopedSlotFn(props) || fallback
-	    } else {
-	      var slotNodes = this.$slots[name];
-	      // warn duplicate slot usage
-	      if (slotNodes && "production" !== 'production') {
-	        slotNodes._rendered && warn$1(
-	          "Duplicate presence of slot \"" + name + "\" found in the same render tree " +
-	          "- this will likely cause render errors.",
-	          this
-	        );
-	        slotNodes._rendered = true;
-	      }
-	      return slotNodes || fallback
-	    }
-	  };
-
-	  // apply v-bind object
-	  Vue.prototype._b = function bindProps (
-	    data,
-	    tag,
-	    value,
-	    asProp
-	  ) {
-	    if (value) {
-	      if (!isObject(value)) {
-	        "production" !== 'production' && warn$1(
-	          'v-bind without argument expects an Object or Array value',
-	          this
-	        );
-	      } else {
-	        if (Array.isArray(value)) {
-	          value = toObject(value);
-	        }
-	        for (var key in value) {
-	          if (key === 'class' || key === 'style') {
-	            data[key] = value[key];
-	          } else {
-	            var hash = asProp || config.mustUseProp(tag, key)
-	              ? data.domProps || (data.domProps = {})
-	              : data.attrs || (data.attrs = {});
-	            hash[key] = value[key];
-	          }
-	        }
-	      }
-	    }
-	    return data
-	  };
-
-	  // check v-on keyCodes
-	  Vue.prototype._k = function checkKeyCodes (
-	    eventKeyCode,
-	    key,
-	    builtInAlias
-	  ) {
-	    var keyCodes = config.keyCodes[key] || builtInAlias;
-	    if (Array.isArray(keyCodes)) {
-	      return keyCodes.indexOf(eventKeyCode) === -1
-	    } else {
-	      return keyCodes !== eventKeyCode
-	    }
-	  };
-	}
-
-	function resolveSlots (
-	  children,
-	  context
-	) {
-	  var slots = {};
-	  if (!children) {
-	    return slots
-	  }
-	  var defaultSlot = [];
-	  var name, child;
-	  for (var i = 0, l = children.length; i < l; i++) {
-	    child = children[i];
-	    // named slots should only be respected if the vnode was rendered in the
-	    // same context.
-	    if ((child.context === context || child.functionalContext === context) &&
-	        child.data && (name = child.data.slot)) {
-	      var slot = (slots[name] || (slots[name] = []));
-	      if (child.tag === 'template') {
-	        slot.push.apply(slot, child.children);
-	      } else {
-	        slot.push(child);
-	      }
-	    } else {
-	      defaultSlot.push(child);
-	    }
-	  }
-	  // ignore single whitespace
-	  if (defaultSlot.length && !(
-	    defaultSlot.length === 1 &&
-	    (defaultSlot[0].text === ' ' || defaultSlot[0].isComment)
-	  )) {
-	    slots.default = defaultSlot;
-	  }
-	  return slots
-	}
-
-	/*  */
-
-	var uid = 0;
-
-	function initMixin (Vue) {
-	  Vue.prototype._init = function (options) {
-	    var vm = this;
-	    // a uid
-	    vm._uid = uid++;
-	    // a flag to avoid this being observed
-	    vm._isVue = true;
-	    // merge options
-	    if (options && options._isComponent) {
-	      // optimize internal component instantiation
-	      // since dynamic options merging is pretty slow, and none of the
-	      // internal component options needs special treatment.
-	      initInternalComponent(vm, options);
-	    } else {
-	      vm.$options = mergeOptions(
-	        resolveConstructorOptions(vm.constructor),
-	        options || {},
-	        vm
-	      );
-	    }
-	    /* istanbul ignore else */
-	    if ("production" !== 'production') {} else {
-	      vm._renderProxy = vm;
-	    }
-	    // expose real self
-	    vm._self = vm;
-	    initLifecycle(vm);
-	    initEvents(vm);
-	    callHook(vm, 'beforeCreate');
-	    initState(vm);
-	    callHook(vm, 'created');
-	    initRender(vm);
-	  };
-	}
-
-	function initInternalComponent (vm, options) {
-	  var opts = vm.$options = Object.create(vm.constructor.options);
-	  // doing this because it's faster than dynamic enumeration.
-	  opts.parent = options.parent;
-	  opts.propsData = options.propsData;
-	  opts._parentVnode = options._parentVnode;
-	  opts._parentListeners = options._parentListeners;
-	  opts._renderChildren = options._renderChildren;
-	  opts._componentTag = options._componentTag;
-	  opts._parentElm = options._parentElm;
-	  opts._refElm = options._refElm;
-	  if (options.render) {
-	    opts.render = options.render;
-	    opts.staticRenderFns = options.staticRenderFns;
-	  }
-	}
-
-	function resolveConstructorOptions (Ctor) {
-	  var options = Ctor.options;
-	  if (Ctor.super) {
-	    var superOptions = Ctor.super.options;
-	    var cachedSuperOptions = Ctor.superOptions;
-	    var extendOptions = Ctor.extendOptions;
-	    if (superOptions !== cachedSuperOptions) {
-	      // super option changed
-	      Ctor.superOptions = superOptions;
-	      extendOptions.render = options.render;
-	      extendOptions.staticRenderFns = options.staticRenderFns;
-	      extendOptions._scopeId = options._scopeId;
-	      options = Ctor.options = mergeOptions(superOptions, extendOptions);
-	      if (options.name) {
-	        options.components[options.name] = Ctor;
-	      }
-	    }
-	  }
-	  return options
-	}
-
-	function Vue$2 (options) {
-	  if ("production" !== 'production' &&
-	    !(this instanceof Vue$2)) {}
-	  this._init(options);
-	}
-
-	initMixin(Vue$2);
-	stateMixin(Vue$2);
-	eventsMixin(Vue$2);
-	lifecycleMixin(Vue$2);
-	renderMixin(Vue$2);
-
-	/*  */
-
-	function initUse (Vue) {
-	  Vue.use = function (plugin) {
-	    /* istanbul ignore if */
-	    if (plugin.installed) {
-	      return
-	    }
-	    // additional parameters
-	    var args = toArray(arguments, 1);
-	    args.unshift(this);
-	    if (typeof plugin.install === 'function') {
-	      plugin.install.apply(plugin, args);
-	    } else {
-	      plugin.apply(null, args);
-	    }
-	    plugin.installed = true;
-	    return this
-	  };
-	}
-
-	/*  */
-
-	function initMixin$1 (Vue) {
-	  Vue.mixin = function (mixin) {
-	    this.options = mergeOptions(this.options, mixin);
-	  };
-	}
-
-	/*  */
-
-	function initExtend (Vue) {
-	  /**
-	   * Each instance constructor, including Vue, has a unique
-	   * cid. This enables us to create wrapped "child
-	   * constructors" for prototypal inheritance and cache them.
-	   */
-	  Vue.cid = 0;
-	  var cid = 1;
-
-	  /**
-	   * Class inheritance
-	   */
-	  Vue.extend = function (extendOptions) {
-	    extendOptions = extendOptions || {};
-	    var Super = this;
-	    var SuperId = Super.cid;
-	    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
-	    if (cachedCtors[SuperId]) {
-	      return cachedCtors[SuperId]
-	    }
-	    var name = extendOptions.name || Super.options.name;
-	    if ("production" !== 'production') {}
-	    var Sub = function VueComponent (options) {
-	      this._init(options);
-	    };
-	    Sub.prototype = Object.create(Super.prototype);
-	    Sub.prototype.constructor = Sub;
-	    Sub.cid = cid++;
-	    Sub.options = mergeOptions(
-	      Super.options,
-	      extendOptions
-	    );
-	    Sub['super'] = Super;
-	    // allow further extension/mixin/plugin usage
-	    Sub.extend = Super.extend;
-	    Sub.mixin = Super.mixin;
-	    Sub.use = Super.use;
-	    // create asset registers, so extended classes
-	    // can have their private assets too.
-	    config._assetTypes.forEach(function (type) {
-	      Sub[type] = Super[type];
-	    });
-	    // enable recursive self-lookup
-	    if (name) {
-	      Sub.options.components[name] = Sub;
-	    }
-	    // keep a reference to the super options at extension time.
-	    // later at instantiation we can check if Super's options have
-	    // been updated.
-	    Sub.superOptions = Super.options;
-	    Sub.extendOptions = extendOptions;
-	    // cache constructor
-	    cachedCtors[SuperId] = Sub;
-	    return Sub
-	  };
-	}
-
-	/*  */
-
-	function initAssetRegisters (Vue) {
-	  /**
-	   * Create asset registration methods.
-	   */
-	  config._assetTypes.forEach(function (type) {
-	    Vue[type] = function (
-	      id,
-	      definition
-	    ) {
-	      if (!definition) {
-	        return this.options[type + 's'][id]
-	      } else {
-	        /* istanbul ignore if */
-	        if ("production" !== 'production') {}
-	        if (type === 'component' && isPlainObject(definition)) {
-	          definition.name = definition.name || id;
-	          definition = this.options._base.extend(definition);
-	        }
-	        if (type === 'directive' && typeof definition === 'function') {
-	          definition = { bind: definition, update: definition };
-	        }
-	        this.options[type + 's'][id] = definition;
-	        return definition
-	      }
-	    };
-	  });
-	}
-
-	/*  */
-
-	var patternTypes = [String, RegExp];
-
-	function matches (pattern, name) {
-	  if (typeof pattern === 'string') {
-	    return pattern.split(',').indexOf(name) > -1
-	  } else {
-	    return pattern.test(name)
-	  }
-	}
-
-	var KeepAlive = {
-	  name: 'keep-alive',
-	  abstract: true,
-	  props: {
-	    include: patternTypes,
-	    exclude: patternTypes
-	  },
-	  created: function created () {
-	    this.cache = Object.create(null);
-	  },
-	  render: function render () {
-	    var vnode = getFirstComponentChild(this.$slots.default);
-	    if (vnode && vnode.componentOptions) {
-	      var opts = vnode.componentOptions;
-	      // check pattern
-	      var name = opts.Ctor.options.name || opts.tag;
-	      if (name && (
-	        (this.include && !matches(this.include, name)) ||
-	        (this.exclude && matches(this.exclude, name))
-	      )) {
-	        return vnode
-	      }
-	      var key = vnode.key == null
-	        // same constructor may get registered as different local components
-	        // so cid alone is not enough (#3269)
-	        ? opts.Ctor.cid + (opts.tag ? ("::" + (opts.tag)) : '')
-	        : vnode.key;
-	      if (this.cache[key]) {
-	        vnode.child = this.cache[key].child;
-	      } else {
-	        this.cache[key] = vnode;
-	      }
-	      vnode.data.keepAlive = true;
-	    }
-	    return vnode
-	  },
-	  destroyed: function destroyed () {
-	    var this$1 = this;
-
-	    for (var key in this.cache) {
-	      var vnode = this$1.cache[key];
-	      callHook(vnode.child, 'deactivated');
-	      vnode.child.$destroy();
-	    }
-	  }
-	};
-
-	var builtInComponents = {
-	  KeepAlive: KeepAlive
-	};
-
-	/*  */
-
-	function initGlobalAPI (Vue) {
-	  // config
-	  var configDef = {};
-	  configDef.get = function () { return config; };
-	  if ("production" !== 'production') {}
-	  Object.defineProperty(Vue, 'config', configDef);
-	  Vue.util = util;
-	  Vue.set = set$1;
-	  Vue.delete = del;
-	  Vue.nextTick = nextTick;
-
-	  Vue.options = Object.create(null);
-	  config._assetTypes.forEach(function (type) {
-	    Vue.options[type + 's'] = Object.create(null);
-	  });
-
-	  // this is used to identify the "base" constructor to extend all plain-object
-	  // components with in Weex's multi-instance scenarios.
-	  Vue.options._base = Vue;
-
-	  extend(Vue.options.components, builtInComponents);
-
-	  initUse(Vue);
-	  initMixin$1(Vue);
-	  initExtend(Vue);
-	  initAssetRegisters(Vue);
-	}
-
-	initGlobalAPI(Vue$2);
-
-	Object.defineProperty(Vue$2.prototype, '$isServer', {
-	  get: isServerRendering
-	});
-
-	Vue$2.version = '2.1.8';
-
-	/*  */
-
-	// attributes that should be using props for binding
-	var acceptValue = makeMap('input,textarea,option,select');
-	var mustUseProp = function (tag, attr) {
-	  return (
-	    (attr === 'value' && acceptValue(tag)) ||
-	    (attr === 'selected' && tag === 'option') ||
-	    (attr === 'checked' && tag === 'input') ||
-	    (attr === 'muted' && tag === 'video')
-	  )
-	};
-
-	var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
-
-	var isBooleanAttr = makeMap(
-	  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
-	  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
-	  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
-	  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
-	  'required,reversed,scoped,seamless,selected,sortable,translate,' +
-	  'truespeed,typemustmatch,visible'
-	);
-
-	var xlinkNS = 'http://www.w3.org/1999/xlink';
-
-	var isXlink = function (name) {
-	  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
-	};
-
-	var getXlinkProp = function (name) {
-	  return isXlink(name) ? name.slice(6, name.length) : ''
-	};
-
-	var isFalsyAttrValue = function (val) {
-	  return val == null || val === false
-	};
-
-	/*  */
-
-	function genClassForVnode (vnode) {
-	  var data = vnode.data;
-	  var parentNode = vnode;
-	  var childNode = vnode;
-	  while (childNode.child) {
-	    childNode = childNode.child._vnode;
-	    if (childNode.data) {
-	      data = mergeClassData(childNode.data, data);
-	    }
-	  }
-	  while ((parentNode = parentNode.parent)) {
-	    if (parentNode.data) {
-	      data = mergeClassData(data, parentNode.data);
-	    }
-	  }
-	  return genClassFromData(data)
-	}
-
-	function mergeClassData (child, parent) {
-	  return {
-	    staticClass: concat(child.staticClass, parent.staticClass),
-	    class: child.class
-	      ? [child.class, parent.class]
-	      : parent.class
-	  }
-	}
-
-	function genClassFromData (data) {
-	  var dynamicClass = data.class;
-	  var staticClass = data.staticClass;
-	  if (staticClass || dynamicClass) {
-	    return concat(staticClass, stringifyClass(dynamicClass))
-	  }
-	  /* istanbul ignore next */
-	  return ''
-	}
-
-	function concat (a, b) {
-	  return a ? b ? (a + ' ' + b) : a : (b || '')
-	}
-
-	function stringifyClass (value) {
-	  var res = '';
-	  if (!value) {
-	    return res
-	  }
-	  if (typeof value === 'string') {
-	    return value
-	  }
-	  if (Array.isArray(value)) {
-	    var stringified;
-	    for (var i = 0, l = value.length; i < l; i++) {
-	      if (value[i]) {
-	        if ((stringified = stringifyClass(value[i]))) {
-	          res += stringified + ' ';
-	        }
-	      }
-	    }
-	    return res.slice(0, -1)
-	  }
-	  if (isObject(value)) {
-	    for (var key in value) {
-	      if (value[key]) { res += key + ' '; }
-	    }
-	    return res.slice(0, -1)
-	  }
-	  /* istanbul ignore next */
-	  return res
-	}
-
-	/*  */
-
-	var namespaceMap = {
-	  svg: 'http://www.w3.org/2000/svg',
-	  math: 'http://www.w3.org/1998/Math/MathML'
-	};
-
-	var isHTMLTag = makeMap(
-	  'html,body,base,head,link,meta,style,title,' +
-	  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
-	  'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' +
-	  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
-	  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
-	  'embed,object,param,source,canvas,script,noscript,del,ins,' +
-	  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
-	  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
-	  'output,progress,select,textarea,' +
-	  'details,dialog,menu,menuitem,summary,' +
-	  'content,element,shadow,template'
-	);
-
-	// this map is intentionally selective, only covering SVG elements that may
-	// contain child elements.
-	var isSVG = makeMap(
-	  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,' +
-	  'font-face,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
-	  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
-	  true
-	);
-
-
-
-	var isReservedTag = function (tag) {
-	  return isHTMLTag(tag) || isSVG(tag)
-	};
-
-	function getTagNamespace (tag) {
-	  if (isSVG(tag)) {
-	    return 'svg'
-	  }
-	  // basic support for MathML
-	  // note it doesn't support other MathML elements being component roots
-	  if (tag === 'math') {
-	    return 'math'
-	  }
-	}
-
-	var unknownElementCache = Object.create(null);
-	function isUnknownElement (tag) {
-	  /* istanbul ignore if */
-	  if (!inBrowser) {
-	    return true
-	  }
-	  if (isReservedTag(tag)) {
-	    return false
-	  }
-	  tag = tag.toLowerCase();
-	  /* istanbul ignore if */
-	  if (unknownElementCache[tag] != null) {
-	    return unknownElementCache[tag]
-	  }
-	  var el = document.createElement(tag);
-	  if (tag.indexOf('-') > -1) {
-	    // http://stackoverflow.com/a/28210364/1070244
-	    return (unknownElementCache[tag] = (
-	      el.constructor === window.HTMLUnknownElement ||
-	      el.constructor === window.HTMLElement
-	    ))
-	  } else {
-	    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
-	  }
-	}
-
-	/*  */
-
-	/**
-	 * Query an element selector if it's not an element already.
-	 */
-	function query (el) {
-	  if (typeof el === 'string') {
-	    var selector = el;
-	    el = document.querySelector(el);
-	    if (!el) {
-	      "production" !== 'production' && warn$1(
-	        'Cannot find element: ' + selector
-	      );
-	      return document.createElement('div')
-	    }
-	  }
-	  return el
-	}
-
-	/*  */
-
-	function createElement$1 (tagName, vnode) {
-	  var elm = document.createElement(tagName);
-	  if (tagName !== 'select') {
-	    return elm
-	  }
-	  if (vnode.data && vnode.data.attrs && 'multiple' in vnode.data.attrs) {
-	    elm.setAttribute('multiple', 'multiple');
-	  }
-	  return elm
-	}
-
-	function createElementNS (namespace, tagName) {
-	  return document.createElementNS(namespaceMap[namespace], tagName)
-	}
-
-	function createTextNode (text) {
-	  return document.createTextNode(text)
-	}
-
-	function createComment (text) {
-	  return document.createComment(text)
-	}
-
-	function insertBefore (parentNode, newNode, referenceNode) {
-	  parentNode.insertBefore(newNode, referenceNode);
-	}
-
-	function removeChild (node, child) {
-	  node.removeChild(child);
-	}
-
-	function appendChild (node, child) {
-	  node.appendChild(child);
-	}
-
-	function parentNode (node) {
-	  return node.parentNode
-	}
-
-	function nextSibling (node) {
-	  return node.nextSibling
-	}
-
-	function tagName (node) {
-	  return node.tagName
-	}
-
-	function setTextContent (node, text) {
-	  node.textContent = text;
-	}
-
-	function setAttribute (node, key, val) {
-	  node.setAttribute(key, val);
-	}
-
-
-	var nodeOps = Object.freeze({
-		createElement: createElement$1,
-		createElementNS: createElementNS,
-		createTextNode: createTextNode,
-		createComment: createComment,
-		insertBefore: insertBefore,
-		removeChild: removeChild,
-		appendChild: appendChild,
-		parentNode: parentNode,
-		nextSibling: nextSibling,
-		tagName: tagName,
-		setTextContent: setTextContent,
-		setAttribute: setAttribute
-	});
-
-	/*  */
-
-	var ref = {
-	  create: function create (_, vnode) {
-	    registerRef(vnode);
-	  },
-	  update: function update (oldVnode, vnode) {
-	    if (oldVnode.data.ref !== vnode.data.ref) {
-	      registerRef(oldVnode, true);
-	      registerRef(vnode);
-	    }
-	  },
-	  destroy: function destroy (vnode) {
-	    registerRef(vnode, true);
-	  }
-	};
-
-	function registerRef (vnode, isRemoval) {
-	  var key = vnode.data.ref;
-	  if (!key) { return }
-
-	  var vm = vnode.context;
-	  var ref = vnode.child || vnode.elm;
-	  var refs = vm.$refs;
-	  if (isRemoval) {
-	    if (Array.isArray(refs[key])) {
-	      remove$1(refs[key], ref);
-	    } else if (refs[key] === ref) {
-	      refs[key] = undefined;
-	    }
-	  } else {
-	    if (vnode.data.refInFor) {
-	      if (Array.isArray(refs[key]) && refs[key].indexOf(ref) < 0) {
-	        refs[key].push(ref);
-	      } else {
-	        refs[key] = [ref];
-	      }
-	    } else {
-	      refs[key] = ref;
-	    }
-	  }
-	}
-
-	/**
-	 * Virtual DOM patching algorithm based on Snabbdom by
-	 * Simon Friis Vindum (@paldepind)
-	 * Licensed under the MIT License
-	 * https://github.com/paldepind/snabbdom/blob/master/LICENSE
-	 *
-	 * modified by Evan You (@yyx990803)
-	 *
-
-	/*
-	 * Not type-checking this because this file is perf-critical and the cost
-	 * of making flow understand it is not worth it.
-	 */
-
-	var emptyNode = new VNode('', {}, []);
-
-	var hooks$1 = ['create', 'activate', 'update', 'remove', 'destroy'];
-
-	function isUndef (s) {
-	  return s == null
-	}
-
-	function isDef (s) {
-	  return s != null
-	}
-
-	function sameVnode (vnode1, vnode2) {
-	  return (
-	    vnode1.key === vnode2.key &&
-	    vnode1.tag === vnode2.tag &&
-	    vnode1.isComment === vnode2.isComment &&
-	    !vnode1.data === !vnode2.data
-	  )
-	}
-
-	function createKeyToOldIdx (children, beginIdx, endIdx) {
-	  var i, key;
-	  var map = {};
-	  for (i = beginIdx; i <= endIdx; ++i) {
-	    key = children[i].key;
-	    if (isDef(key)) { map[key] = i; }
-	  }
-	  return map
-	}
-
-	function createPatchFunction (backend) {
-	  var i, j;
-	  var cbs = {};
-
-	  var modules = backend.modules;
-	  var nodeOps = backend.nodeOps;
-
-	  for (i = 0; i < hooks$1.length; ++i) {
-	    cbs[hooks$1[i]] = [];
-	    for (j = 0; j < modules.length; ++j) {
-	      if (modules[j][hooks$1[i]] !== undefined) { cbs[hooks$1[i]].push(modules[j][hooks$1[i]]); }
-	    }
-	  }
-
-	  function emptyNodeAt (elm) {
-	    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
-	  }
-
-	  function createRmCb (childElm, listeners) {
-	    function remove$$1 () {
-	      if (--remove$$1.listeners === 0) {
-	        removeNode(childElm);
-	      }
-	    }
-	    remove$$1.listeners = listeners;
-	    return remove$$1
-	  }
-
-	  function removeNode (el) {
-	    var parent = nodeOps.parentNode(el);
-	    // element may have already been removed due to v-html / v-text
-	    if (parent) {
-	      nodeOps.removeChild(parent, el);
-	    }
-	  }
-
-	  var inPre = 0;
-	  function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) {
-	    vnode.isRootInsert = !nested; // for transition enter check
-	    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
-	      return
-	    }
-
-	    var data = vnode.data;
-	    var children = vnode.children;
-	    var tag = vnode.tag;
-	    if (isDef(tag)) {
-	      if ("production" !== 'production') {}
-	      vnode.elm = vnode.ns
-	        ? nodeOps.createElementNS(vnode.ns, tag)
-	        : nodeOps.createElement(tag, vnode);
-	      setScope(vnode);
-
-	      /* istanbul ignore if */
-	      {
-	        createChildren(vnode, children, insertedVnodeQueue);
-	        if (isDef(data)) {
-	          invokeCreateHooks(vnode, insertedVnodeQueue);
-	        }
-	        insert(parentElm, vnode.elm, refElm);
-	      }
-
-	      if ("production" !== 'production' && data && data.pre) {}
-	    } else if (vnode.isComment) {
-	      vnode.elm = nodeOps.createComment(vnode.text);
-	      insert(parentElm, vnode.elm, refElm);
-	    } else {
-	      vnode.elm = nodeOps.createTextNode(vnode.text);
-	      insert(parentElm, vnode.elm, refElm);
-	    }
-	  }
-
-	  function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
-	    var i = vnode.data;
-	    if (isDef(i)) {
-	      var isReactivated = isDef(vnode.child) && i.keepAlive;
-	      if (isDef(i = i.hook) && isDef(i = i.init)) {
-	        i(vnode, false /* hydrating */, parentElm, refElm);
-	      }
-	      // after calling the init hook, if the vnode is a child component
-	      // it should've created a child instance and mounted it. the child
-	      // component also has set the placeholder vnode's elm.
-	      // in that case we can just return the element and be done.
-	      if (isDef(vnode.child)) {
-	        initComponent(vnode, insertedVnodeQueue);
-	        if (isReactivated) {
-	          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
-	        }
-	        return true
-	      }
-	    }
-	  }
-
-	  function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
-	    var i;
-	    // hack for #4339: a reactivated component with inner transition
-	    // does not trigger because the inner node's created hooks are not called
-	    // again. It's not ideal to involve module-specific logic in here but
-	    // there doesn't seem to be a better way to do it.
-	    var innerNode = vnode;
-	    while (innerNode.child) {
-	      innerNode = innerNode.child._vnode;
-	      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
-	        for (i = 0; i < cbs.activate.length; ++i) {
-	          cbs.activate[i](emptyNode, innerNode);
-	        }
-	        insertedVnodeQueue.push(innerNode);
-	        break
-	      }
-	    }
-	    // unlike a newly created component,
-	    // a reactivated keep-alive component doesn't insert itself
-	    insert(parentElm, vnode.elm, refElm);
-	  }
-
-	  function insert (parent, elm, ref) {
-	    if (parent) {
-	      if (ref) {
-	        nodeOps.insertBefore(parent, elm, ref);
-	      } else {
-	        nodeOps.appendChild(parent, elm);
-	      }
-	    }
-	  }
-
-	  function createChildren (vnode, children, insertedVnodeQueue) {
-	    if (Array.isArray(children)) {
-	      for (var i = 0; i < children.length; ++i) {
-	        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);
-	      }
-	    } else if (isPrimitive(vnode.text)) {
-	      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text));
-	    }
-	  }
-
-	  function isPatchable (vnode) {
-	    while (vnode.child) {
-	      vnode = vnode.child._vnode;
-	    }
-	    return isDef(vnode.tag)
-	  }
-
-	  function invokeCreateHooks (vnode, insertedVnodeQueue) {
-	    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
-	      cbs.create[i$1](emptyNode, vnode);
-	    }
-	    i = vnode.data.hook; // Reuse variable
-	    if (isDef(i)) {
-	      if (i.create) { i.create(emptyNode, vnode); }
-	      if (i.insert) { insertedVnodeQueue.push(vnode); }
-	    }
-	  }
-
-	  function initComponent (vnode, insertedVnodeQueue) {
-	    if (vnode.data.pendingInsert) {
-	      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
-	    }
-	    vnode.elm = vnode.child.$el;
-	    if (isPatchable(vnode)) {
-	      invokeCreateHooks(vnode, insertedVnodeQueue);
-	      setScope(vnode);
-	    } else {
-	      // empty component root.
-	      // skip all element-related modules except for ref (#3455)
-	      registerRef(vnode);
-	      // make sure to invoke the insert hook
-	      insertedVnodeQueue.push(vnode);
-	    }
-	  }
-
-	  // set scope id attribute for scoped CSS.
-	  // this is implemented as a special case to avoid the overhead
-	  // of going through the normal attribute patching process.
-	  function setScope (vnode) {
-	    var i;
-	    if (isDef(i = vnode.context) && isDef(i = i.$options._scopeId)) {
-	      nodeOps.setAttribute(vnode.elm, i, '');
-	    }
-	    if (isDef(i = activeInstance) &&
-	        i !== vnode.context &&
-	        isDef(i = i.$options._scopeId)) {
-	      nodeOps.setAttribute(vnode.elm, i, '');
-	    }
-	  }
-
-	  function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
-	    for (; startIdx <= endIdx; ++startIdx) {
-	      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);
-	    }
-	  }
-
-	  function invokeDestroyHook (vnode) {
-	    var i, j;
-	    var data = vnode.data;
-	    if (isDef(data)) {
-	      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
-	      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
-	    }
-	    if (isDef(i = vnode.children)) {
-	      for (j = 0; j < vnode.children.length; ++j) {
-	        invokeDestroyHook(vnode.children[j]);
-	      }
-	    }
-	  }
-
-	  function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
-	    for (; startIdx <= endIdx; ++startIdx) {
-	      var ch = vnodes[startIdx];
-	      if (isDef(ch)) {
-	        if (isDef(ch.tag)) {
-	          removeAndInvokeRemoveHook(ch);
-	          invokeDestroyHook(ch);
-	        } else { // Text node
-	          removeNode(ch.elm);
-	        }
-	      }
-	    }
-	  }
-
-	  function removeAndInvokeRemoveHook (vnode, rm) {
-	    if (rm || isDef(vnode.data)) {
-	      var listeners = cbs.remove.length + 1;
-	      if (!rm) {
-	        // directly removing
-	        rm = createRmCb(vnode.elm, listeners);
-	      } else {
-	        // we have a recursively passed down rm callback
-	        // increase the listeners count
-	        rm.listeners += listeners;
-	      }
-	      // recursively invoke hooks on child component root node
-	      if (isDef(i = vnode.child) && isDef(i = i._vnode) && isDef(i.data)) {
-	        removeAndInvokeRemoveHook(i, rm);
-	      }
-	      for (i = 0; i < cbs.remove.length; ++i) {
-	        cbs.remove[i](vnode, rm);
-	      }
-	      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
-	        i(vnode, rm);
-	      } else {
-	        rm();
-	      }
-	    } else {
-	      removeNode(vnode.elm);
-	    }
-	  }
-
-	  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
-	    var oldStartIdx = 0;
-	    var newStartIdx = 0;
-	    var oldEndIdx = oldCh.length - 1;
-	    var oldStartVnode = oldCh[0];
-	    var oldEndVnode = oldCh[oldEndIdx];
-	    var newEndIdx = newCh.length - 1;
-	    var newStartVnode = newCh[0];
-	    var newEndVnode = newCh[newEndIdx];
-	    var oldKeyToIdx, idxInOld, elmToMove, refElm;
-
-	    // removeOnly is a special flag used only by <transition-group>
-	    // to ensure removed elements stay in correct relative positions
-	    // during leaving transitions
-	    var canMove = !removeOnly;
-
-	    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
-	      if (isUndef(oldStartVnode)) {
-	        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
-	      } else if (isUndef(oldEndVnode)) {
-	        oldEndVnode = oldCh[--oldEndIdx];
-	      } else if (sameVnode(oldStartVnode, newStartVnode)) {
-	        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
-	        oldStartVnode = oldCh[++oldStartIdx];
-	        newStartVnode = newCh[++newStartIdx];
-	      } else if (sameVnode(oldEndVnode, newEndVnode)) {
-	        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
-	        oldEndVnode = oldCh[--oldEndIdx];
-	        newEndVnode = newCh[--newEndIdx];
-	      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
-	        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
-	        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
-	        oldStartVnode = oldCh[++oldStartIdx];
-	        newEndVnode = newCh[--newEndIdx];
-	      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
-	        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
-	        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
-	        oldEndVnode = oldCh[--oldEndIdx];
-	        newStartVnode = newCh[++newStartIdx];
-	      } else {
-	        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
-	        idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null;
-	        if (isUndef(idxInOld)) { // New element
-	          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
-	          newStartVnode = newCh[++newStartIdx];
-	        } else {
-	          elmToMove = oldCh[idxInOld];
-	          /* istanbul ignore if */
-	          if ("production" !== 'production' && !elmToMove) {}
-	          if (sameVnode(elmToMove, newStartVnode)) {
-	            patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
-	            oldCh[idxInOld] = undefined;
-	            canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm);
-	            newStartVnode = newCh[++newStartIdx];
-	          } else {
-	            // same key but different element. treat as new element
-	            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
-	            newStartVnode = newCh[++newStartIdx];
-	          }
-	        }
-	      }
-	    }
-	    if (oldStartIdx > oldEndIdx) {
-	      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
-	      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
-	    } else if (newStartIdx > newEndIdx) {
-	      removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
-	    }
-	  }
-
-	  function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {
-	    if (oldVnode === vnode) {
-	      return
-	    }
-	    // reuse element for static trees.
-	    // note we only do this if the vnode is cloned -
-	    // if the new node is not cloned it means the render functions have been
-	    // reset by the hot-reload-api and we need to do a proper re-render.
-	    if (vnode.isStatic &&
-	        oldVnode.isStatic &&
-	        vnode.key === oldVnode.key &&
-	        (vnode.isCloned || vnode.isOnce)) {
-	      vnode.elm = oldVnode.elm;
-	      vnode.child = oldVnode.child;
-	      return
-	    }
-	    var i;
-	    var data = vnode.data;
-	    var hasData = isDef(data);
-	    if (hasData && isDef(i = data.hook) && isDef(i = i.prepatch)) {
-	      i(oldVnode, vnode);
-	    }
-	    var elm = vnode.elm = oldVnode.elm;
-	    var oldCh = oldVnode.children;
-	    var ch = vnode.children;
-	    if (hasData && isPatchable(vnode)) {
-	      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
-	      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
-	    }
-	    if (isUndef(vnode.text)) {
-	      if (isDef(oldCh) && isDef(ch)) {
-	        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
-	      } else if (isDef(ch)) {
-	        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
-	        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
-	      } else if (isDef(oldCh)) {
-	        removeVnodes(elm, oldCh, 0, oldCh.length - 1);
-	      } else if (isDef(oldVnode.text)) {
-	        nodeOps.setTextContent(elm, '');
-	      }
-	    } else if (oldVnode.text !== vnode.text) {
-	      nodeOps.setTextContent(elm, vnode.text);
-	    }
-	    if (hasData) {
-	      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
-	    }
-	  }
-
-	  function invokeInsertHook (vnode, queue, initial) {
-	    // delay insert hooks for component root nodes, invoke them after the
-	    // element is really inserted
-	    if (initial && vnode.parent) {
-	      vnode.parent.data.pendingInsert = queue;
-	    } else {
-	      for (var i = 0; i < queue.length; ++i) {
-	        queue[i].data.hook.insert(queue[i]);
-	      }
-	    }
-	  }
-
-	  var bailed = false;
-	  // list of modules that can skip create hook during hydration because they
-	  // are already rendered on the client or has no need for initialization
-	  var isRenderedModule = makeMap('attrs,style,class,staticClass,staticStyle,key');
-
-	  // Note: this is a browser-only function so we can assume elms are DOM nodes.
-	  function hydrate (elm, vnode, insertedVnodeQueue) {
-	    if ("production" !== 'production') {}
-	    vnode.elm = elm;
-	    var tag = vnode.tag;
-	    var data = vnode.data;
-	    var children = vnode.children;
-	    if (isDef(data)) {
-	      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
-	      if (isDef(i = vnode.child)) {
-	        // child component. it should have hydrated its own tree.
-	        initComponent(vnode, insertedVnodeQueue);
-	        return true
-	      }
-	    }
-	    if (isDef(tag)) {
-	      if (isDef(children)) {
-	        // empty element, allow client to pick up and populate children
-	        if (!elm.hasChildNodes()) {
-	          createChildren(vnode, children, insertedVnodeQueue);
-	        } else {
-	          var childrenMatch = true;
-	          var childNode = elm.firstChild;
-	          for (var i$1 = 0; i$1 < children.length; i$1++) {
-	            if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue)) {
-	              childrenMatch = false;
-	              break
-	            }
-	            childNode = childNode.nextSibling;
-	          }
-	          // if childNode is not null, it means the actual childNodes list is
-	          // longer than the virtual children list.
-	          if (!childrenMatch || childNode) {
-	            if ("production" !== 'production' &&
-	                typeof console !== 'undefined' &&
-	                !bailed) {}
-	            return false
-	          }
-	        }
-	      }
-	      if (isDef(data)) {
-	        for (var key in data) {
-	          if (!isRenderedModule(key)) {
-	            invokeCreateHooks(vnode, insertedVnodeQueue);
-	            break
-	          }
-	        }
-	      }
-	    } else if (elm.data !== vnode.text) {
-	      elm.data = vnode.text;
-	    }
-	    return true
-	  }
-
-	  function assertNodeMatch (node, vnode) {
-	    if (vnode.tag) {
-	      return (
-	        vnode.tag.indexOf('vue-component') === 0 ||
-	        vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
-	      )
-	    } else {
-	      return node.nodeType === (vnode.isComment ? 8 : 3)
-	    }
-	  }
-
-	  return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {
-	    if (!vnode) {
-	      if (oldVnode) { invokeDestroyHook(oldVnode); }
-	      return
-	    }
-
-	    var elm, parent;
-	    var isInitialPatch = false;
-	    var insertedVnodeQueue = [];
-
-	    if (!oldVnode) {
-	      // empty mount (likely as component), create new root element
-	      isInitialPatch = true;
-	      createElm(vnode, insertedVnodeQueue, parentElm, refElm);
-	    } else {
-	      var isRealElement = isDef(oldVnode.nodeType);
-	      if (!isRealElement && sameVnode(oldVnode, vnode)) {
-	        // patch existing root node
-	        patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);
-	      } else {
-	        if (isRealElement) {
-	          // mounting to a real element
-	          // check if this is server-rendered content and if we can perform
-	          // a successful hydration.
-	          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute('server-rendered')) {
-	            oldVnode.removeAttribute('server-rendered');
-	            hydrating = true;
-	          }
-	          if (hydrating) {
-	            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
-	              invokeInsertHook(vnode, insertedVnodeQueue, true);
-	              return oldVnode
-	            } else if ("production" !== 'production') {}
-	          }
-	          // either not server-rendered, or hydration failed.
-	          // create an empty node and replace it
-	          oldVnode = emptyNodeAt(oldVnode);
-	        }
-	        // replacing existing element
-	        elm = oldVnode.elm;
-	        parent = nodeOps.parentNode(elm);
-	        createElm(vnode, insertedVnodeQueue, parent, nodeOps.nextSibling(elm));
-
-	        if (vnode.parent) {
-	          // component root element replaced.
-	          // update parent placeholder node element, recursively
-	          var ancestor = vnode.parent;
-	          while (ancestor) {
-	            ancestor.elm = vnode.elm;
-	            ancestor = ancestor.parent;
-	          }
-	          if (isPatchable(vnode)) {
-	            for (var i = 0; i < cbs.create.length; ++i) {
-	              cbs.create[i](emptyNode, vnode.parent);
-	            }
-	          }
-	        }
-
-	        if (parent !== null) {
-	          removeVnodes(parent, [oldVnode], 0, 0);
-	        } else if (isDef(oldVnode.tag)) {
-	          invokeDestroyHook(oldVnode);
-	        }
-	      }
-	    }
-
-	    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
-	    return vnode.elm
-	  }
-	}
-
-	/*  */
-
-	var directives = {
-	  create: updateDirectives,
-	  update: updateDirectives,
-	  destroy: function unbindDirectives (vnode) {
-	    updateDirectives(vnode, emptyNode);
-	  }
-	};
-
-	function updateDirectives (oldVnode, vnode) {
-	  if (oldVnode.data.directives || vnode.data.directives) {
-	    _update(oldVnode, vnode);
-	  }
-	}
-
-	function _update (oldVnode, vnode) {
-	  var isCreate = oldVnode === emptyNode;
-	  var isDestroy = vnode === emptyNode;
-	  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
-	  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
-
-	  var dirsWithInsert = [];
-	  var dirsWithPostpatch = [];
-
-	  var key, oldDir, dir;
-	  for (key in newDirs) {
-	    oldDir = oldDirs[key];
-	    dir = newDirs[key];
-	    if (!oldDir) {
-	      // new directive, bind
-	      callHook$1(dir, 'bind', vnode, oldVnode);
-	      if (dir.def && dir.def.inserted) {
-	        dirsWithInsert.push(dir);
-	      }
-	    } else {
-	      // existing directive, update
-	      dir.oldValue = oldDir.value;
-	      callHook$1(dir, 'update', vnode, oldVnode);
-	      if (dir.def && dir.def.componentUpdated) {
-	        dirsWithPostpatch.push(dir);
-	      }
-	    }
-	  }
-
-	  if (dirsWithInsert.length) {
-	    var callInsert = function () {
-	      for (var i = 0; i < dirsWithInsert.length; i++) {
-	        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
-	      }
-	    };
-	    if (isCreate) {
-	      mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert, 'dir-insert');
-	    } else {
-	      callInsert();
-	    }
-	  }
-
-	  if (dirsWithPostpatch.length) {
-	    mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {
-	      for (var i = 0; i < dirsWithPostpatch.length; i++) {
-	        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
-	      }
-	    }, 'dir-postpatch');
-	  }
-
-	  if (!isCreate) {
-	    for (key in oldDirs) {
-	      if (!newDirs[key]) {
-	        // no longer present, unbind
-	        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
-	      }
-	    }
-	  }
-	}
-
-	var emptyModifiers = Object.create(null);
-
-	function normalizeDirectives$1 (
-	  dirs,
-	  vm
-	) {
-	  var res = Object.create(null);
-	  if (!dirs) {
-	    return res
-	  }
-	  var i, dir;
-	  for (i = 0; i < dirs.length; i++) {
-	    dir = dirs[i];
-	    if (!dir.modifiers) {
-	      dir.modifiers = emptyModifiers;
-	    }
-	    res[getRawDirName(dir)] = dir;
-	    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
-	  }
-	  return res
-	}
-
-	function getRawDirName (dir) {
-	  return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
-	}
-
-	function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
-	  var fn = dir.def && dir.def[hook];
-	  if (fn) {
-	    fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
-	  }
-	}
-
-	var baseModules = [
-	  ref,
-	  directives
-	];
-
-	/*  */
-
-	function updateAttrs (oldVnode, vnode) {
-	  if (!oldVnode.data.attrs && !vnode.data.attrs) {
-	    return
-	  }
-	  var key, cur, old;
-	  var elm = vnode.elm;
-	  var oldAttrs = oldVnode.data.attrs || {};
-	  var attrs = vnode.data.attrs || {};
-	  // clone observed objects, as the user probably wants to mutate it
-	  if (attrs.__ob__) {
-	    attrs = vnode.data.attrs = extend({}, attrs);
-	  }
-
-	  for (key in attrs) {
-	    cur = attrs[key];
-	    old = oldAttrs[key];
-	    if (old !== cur) {
-	      setAttr(elm, key, cur);
-	    }
-	  }
-	  // #4391: in IE9, setting type can reset value for input[type=radio]
-	  /* istanbul ignore if */
-	  if (isIE9 && attrs.value !== oldAttrs.value) {
-	    setAttr(elm, 'value', attrs.value);
-	  }
-	  for (key in oldAttrs) {
-	    if (attrs[key] == null) {
-	      if (isXlink(key)) {
-	        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
-	      } else if (!isEnumeratedAttr(key)) {
-	        elm.removeAttribute(key);
-	      }
-	    }
-	  }
-	}
-
-	function setAttr (el, key, value) {
-	  if (isBooleanAttr(key)) {
-	    // set attribute for blank value
-	    // e.g. <option disabled>Select one</option>
-	    if (isFalsyAttrValue(value)) {
-	      el.removeAttribute(key);
-	    } else {
-	      el.setAttribute(key, key);
-	    }
-	  } else if (isEnumeratedAttr(key)) {
-	    el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');
-	  } else if (isXlink(key)) {
-	    if (isFalsyAttrValue(value)) {
-	      el.removeAttributeNS(xlinkNS, getXlinkProp(key));
-	    } else {
-	      el.setAttributeNS(xlinkNS, key, value);
-	    }
-	  } else {
-	    if (isFalsyAttrValue(value)) {
-	      el.removeAttribute(key);
-	    } else {
-	      el.setAttribute(key, value);
-	    }
-	  }
-	}
-
-	var attrs = {
-	  create: updateAttrs,
-	  update: updateAttrs
-	};
-
-	/*  */
-
-	function updateClass (oldVnode, vnode) {
-	  var el = vnode.elm;
-	  var data = vnode.data;
-	  var oldData = oldVnode.data;
-	  if (!data.staticClass && !data.class &&
-	      (!oldData || (!oldData.staticClass && !oldData.class))) {
-	    return
-	  }
-
-	  var cls = genClassForVnode(vnode);
-
-	  // handle transition classes
-	  var transitionClass = el._transitionClasses;
-	  if (transitionClass) {
-	    cls = concat(cls, stringifyClass(transitionClass));
-	  }
-
-	  // set the class
-	  if (cls !== el._prevClass) {
-	    el.setAttribute('class', cls);
-	    el._prevClass = cls;
-	  }
-	}
-
-	var klass = {
-	  create: updateClass,
-	  update: updateClass
-	};
-
-	/*  */
-
-	var target$1;
-
-	function add$2 (event, handler, once, capture) {
-	  if (once) {
-	    var oldHandler = handler;
-	    handler = function (ev) {
-	      remove$3(event, handler, capture);
-	      arguments.length === 1
-	        ? oldHandler(ev)
-	        : oldHandler.apply(null, arguments);
-	    };
-	  }
-	  target$1.addEventListener(event, handler, capture);
-	}
-
-	function remove$3 (event, handler, capture) {
-	  target$1.removeEventListener(event, handler, capture);
-	}
-
-	function updateDOMListeners (oldVnode, vnode) {
-	  if (!oldVnode.data.on && !vnode.data.on) {
-	    return
-	  }
-	  var on = vnode.data.on || {};
-	  var oldOn = oldVnode.data.on || {};
-	  target$1 = vnode.elm;
-	  updateListeners(on, oldOn, add$2, remove$3, vnode.context);
-	}
-
-	var events = {
-	  create: updateDOMListeners,
-	  update: updateDOMListeners
-	};
-
-	/*  */
-
-	function updateDOMProps (oldVnode, vnode) {
-	  if (!oldVnode.data.domProps && !vnode.data.domProps) {
-	    return
-	  }
-	  var key, cur;
-	  var elm = vnode.elm;
-	  var oldProps = oldVnode.data.domProps || {};
-	  var props = vnode.data.domProps || {};
-	  // clone observed objects, as the user probably wants to mutate it
-	  if (props.__ob__) {
-	    props = vnode.data.domProps = extend({}, props);
-	  }
-
-	  for (key in oldProps) {
-	    if (props[key] == null) {
-	      elm[key] = '';
-	    }
-	  }
-	  for (key in props) {
-	    cur = props[key];
-	    // ignore children if the node has textContent or innerHTML,
-	    // as these will throw away existing DOM nodes and cause removal errors
-	    // on subsequent patches (#3360)
-	    if (key === 'textContent' || key === 'innerHTML') {
-	      if (vnode.children) { vnode.children.length = 0; }
-	      if (cur === oldProps[key]) { continue }
-	    }
-	    // #4521: if a click event triggers update before the change event is
-	    // dispatched on a checkbox/radio input, the input's checked state will
-	    // be reset and fail to trigger another update.
-	    /* istanbul ignore next */
-	    if (key === 'checked' && !isDirty(elm, cur)) {
-	      continue
-	    }
-	    if (key === 'value') {
-	      // store value as _value as well since
-	      // non-string values will be stringified
-	      elm._value = cur;
-	      // avoid resetting cursor position when value is the same
-	      var strCur = cur == null ? '' : String(cur);
-	      if (shouldUpdateValue(elm, vnode, strCur)) {
-	        elm.value = strCur;
-	      }
-	    } else {
-	      elm[key] = cur;
-	    }
-	  }
-	}
-
-	// check platforms/web/util/attrs.js acceptValue
-
-
-	function shouldUpdateValue (
-	  elm,
-	  vnode,
-	  checkVal
-	) {
-	  if (!elm.composing && (
-	    vnode.tag === 'option' ||
-	    isDirty(elm, checkVal) ||
-	    isInputChanged(vnode, checkVal)
-	  )) {
-	    return true
-	  }
-	  return false
-	}
-
-	function isDirty (elm, checkVal) {
-	  return document.activeElement !== elm && elm.value !== checkVal
-	}
-
-	function isInputChanged (vnode, newVal) {
-	  var value = vnode.elm.value;
-	  var modifiers = vnode.elm._vModifiers; // injected by v-model runtime
-	  if ((modifiers && modifiers.number) || vnode.elm.type === 'number') {
-	    return toNumber(value) !== toNumber(newVal)
-	  }
-	  if (modifiers && modifiers.trim) {
-	    return value.trim() !== newVal.trim()
-	  }
-	  return value !== newVal
-	}
-
-	var domProps = {
-	  create: updateDOMProps,
-	  update: updateDOMProps
-	};
-
-	/*  */
-
-	var parseStyleText = cached(function (cssText) {
-	  var res = {};
-	  var listDelimiter = /;(?![^(]*\))/g;
-	  var propertyDelimiter = /:(.+)/;
-	  cssText.split(listDelimiter).forEach(function (item) {
-	    if (item) {
-	      var tmp = item.split(propertyDelimiter);
-	      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
-	    }
-	  });
-	  return res
-	});
-
-	// merge static and dynamic style data on the same vnode
-	function normalizeStyleData (data) {
-	  var style = normalizeStyleBinding(data.style);
-	  // static style is pre-processed into an object during compilation
-	  // and is always a fresh object, so it's safe to merge into it
-	  return data.staticStyle
-	    ? extend(data.staticStyle, style)
-	    : style
-	}
-
-	// normalize possible array / string values into Object
-	function normalizeStyleBinding (bindingStyle) {
-	  if (Array.isArray(bindingStyle)) {
-	    return toObject(bindingStyle)
-	  }
-	  if (typeof bindingStyle === 'string') {
-	    return parseStyleText(bindingStyle)
-	  }
-	  return bindingStyle
-	}
-
-	/**
-	 * parent component style should be after child's
-	 * so that parent component's style could override it
-	 */
-	function getStyle (vnode, checkChild) {
-	  var res = {};
-	  var styleData;
-
-	  if (checkChild) {
-	    var childNode = vnode;
-	    while (childNode.child) {
-	      childNode = childNode.child._vnode;
-	      if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {
-	        extend(res, styleData);
-	      }
-	    }
-	  }
-
-	  if ((styleData = normalizeStyleData(vnode.data))) {
-	    extend(res, styleData);
-	  }
-
-	  var parentNode = vnode;
-	  while ((parentNode = parentNode.parent)) {
-	    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
-	      extend(res, styleData);
-	    }
-	  }
-	  return res
-	}
-
-	/*  */
-
-	var cssVarRE = /^--/;
-	var importantRE = /\s*!important$/;
-	var setProp = function (el, name, val) {
-	  /* istanbul ignore if */
-	  if (cssVarRE.test(name)) {
-	    el.style.setProperty(name, val);
-	  } else if (importantRE.test(val)) {
-	    el.style.setProperty(name, val.replace(importantRE, ''), 'important');
-	  } else {
-	    el.style[normalize(name)] = val;
-	  }
-	};
-
-	var prefixes = ['Webkit', 'Moz', 'ms'];
-
-	var testEl;
-	var normalize = cached(function (prop) {
-	  testEl = testEl || document.createElement('div');
-	  prop = camelize(prop);
-	  if (prop !== 'filter' && (prop in testEl.style)) {
-	    return prop
-	  }
-	  var upper = prop.charAt(0).toUpperCase() + prop.slice(1);
-	  for (var i = 0; i < prefixes.length; i++) {
-	    var prefixed = prefixes[i] + upper;
-	    if (prefixed in testEl.style) {
-	      return prefixed
-	    }
-	  }
-	});
-
-	function updateStyle (oldVnode, vnode) {
-	  var data = vnode.data;
-	  var oldData = oldVnode.data;
-
-	  if (!data.staticStyle && !data.style &&
-	      !oldData.staticStyle && !oldData.style) {
-	    return
-	  }
-
-	  var cur, name;
-	  var el = vnode.elm;
-	  var oldStaticStyle = oldVnode.data.staticStyle;
-	  var oldStyleBinding = oldVnode.data.style || {};
-
-	  // if static style exists, stylebinding already merged into it when doing normalizeStyleData
-	  var oldStyle = oldStaticStyle || oldStyleBinding;
-
-	  var style = normalizeStyleBinding(vnode.data.style) || {};
-
-	  vnode.data.style = style.__ob__ ? extend({}, style) : style;
-
-	  var newStyle = getStyle(vnode, true);
-
-	  for (name in oldStyle) {
-	    if (newStyle[name] == null) {
-	      setProp(el, name, '');
-	    }
-	  }
-	  for (name in newStyle) {
-	    cur = newStyle[name];
-	    if (cur !== oldStyle[name]) {
-	      // ie9 setting to null has no effect, must use empty string
-	      setProp(el, name, cur == null ? '' : cur);
-	    }
-	  }
-	}
-
-	var style = {
-	  create: updateStyle,
-	  update: updateStyle
-	};
-
-	/*  */
-
-	/**
-	 * Add class with compatibility for SVG since classList is not supported on
-	 * SVG elements in IE
-	 */
-	function addClass (el, cls) {
-	  /* istanbul ignore if */
-	  if (!cls || !cls.trim()) {
-	    return
-	  }
-
-	  /* istanbul ignore else */
-	  if (el.classList) {
-	    if (cls.indexOf(' ') > -1) {
-	      cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); });
-	    } else {
-	      el.classList.add(cls);
-	    }
-	  } else {
-	    var cur = ' ' + el.getAttribute('class') + ' ';
-	    if (cur.indexOf(' ' + cls + ' ') < 0) {
-	      el.setAttribute('class', (cur + cls).trim());
-	    }
-	  }
-	}
-
-	/**
-	 * Remove class with compatibility for SVG since classList is not supported on
-	 * SVG elements in IE
-	 */
-	function removeClass (el, cls) {
-	  /* istanbul ignore if */
-	  if (!cls || !cls.trim()) {
-	    return
-	  }
-
-	  /* istanbul ignore else */
-	  if (el.classList) {
-	    if (cls.indexOf(' ') > -1) {
-	      cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); });
-	    } else {
-	      el.classList.remove(cls);
-	    }
-	  } else {
-	    var cur = ' ' + el.getAttribute('class') + ' ';
-	    var tar = ' ' + cls + ' ';
-	    while (cur.indexOf(tar) >= 0) {
-	      cur = cur.replace(tar, ' ');
-	    }
-	    el.setAttribute('class', cur.trim());
-	  }
-	}
-
-	/*  */
-
-	var hasTransition = inBrowser && !isIE9;
-	var TRANSITION = 'transition';
-	var ANIMATION = 'animation';
-
-	// Transition property/event sniffing
-	var transitionProp = 'transition';
-	var transitionEndEvent = 'transitionend';
-	var animationProp = 'animation';
-	var animationEndEvent = 'animationend';
-	if (hasTransition) {
-	  /* istanbul ignore if */
-	  if (window.ontransitionend === undefined &&
-	    window.onwebkittransitionend !== undefined) {
-	    transitionProp = 'WebkitTransition';
-	    transitionEndEvent = 'webkitTransitionEnd';
-	  }
-	  if (window.onanimationend === undefined &&
-	    window.onwebkitanimationend !== undefined) {
-	    animationProp = 'WebkitAnimation';
-	    animationEndEvent = 'webkitAnimationEnd';
-	  }
-	}
-
-	var raf = (inBrowser && window.requestAnimationFrame) || setTimeout;
-	function nextFrame (fn) {
-	  raf(function () {
-	    raf(fn);
-	  });
-	}
-
-	function addTransitionClass (el, cls) {
-	  (el._transitionClasses || (el._transitionClasses = [])).push(cls);
-	  addClass(el, cls);
-	}
-
-	function removeTransitionClass (el, cls) {
-	  if (el._transitionClasses) {
-	    remove$1(el._transitionClasses, cls);
-	  }
-	  removeClass(el, cls);
-	}
-
-	function whenTransitionEnds (
-	  el,
-	  expectedType,
-	  cb
-	) {
-	  var ref = getTransitionInfo(el, expectedType);
-	  var type = ref.type;
-	  var timeout = ref.timeout;
-	  var propCount = ref.propCount;
-	  if (!type) { return cb() }
-	  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
-	  var ended = 0;
-	  var end = function () {
-	    el.removeEventListener(event, onEnd);
-	    cb();
-	  };
-	  var onEnd = function (e) {
-	    if (e.target === el) {
-	      if (++ended >= propCount) {
-	        end();
-	      }
-	    }
-	  };
-	  setTimeout(function () {
-	    if (ended < propCount) {
-	      end();
-	    }
-	  }, timeout + 1);
-	  el.addEventListener(event, onEnd);
-	}
-
-	var transformRE = /\b(transform|all)(,|$)/;
-
-	function getTransitionInfo (el, expectedType) {
-	  var styles = window.getComputedStyle(el);
-	  var transitioneDelays = styles[transitionProp + 'Delay'].split(', ');
-	  var transitionDurations = styles[transitionProp + 'Duration'].split(', ');
-	  var transitionTimeout = getTimeout(transitioneDelays, transitionDurations);
-	  var animationDelays = styles[animationProp + 'Delay'].split(', ');
-	  var animationDurations = styles[animationProp + 'Duration'].split(', ');
-	  var animationTimeout = getTimeout(animationDelays, animationDurations);
-
-	  var type;
-	  var timeout = 0;
-	  var propCount = 0;
-	  /* istanbul ignore if */
-	  if (expectedType === TRANSITION) {
-	    if (transitionTimeout > 0) {
-	      type = TRANSITION;
-	      timeout = transitionTimeout;
-	      propCount = transitionDurations.length;
-	    }
-	  } else if (expectedType === ANIMATION) {
-	    if (animationTimeout > 0) {
-	      type = ANIMATION;
-	      timeout = animationTimeout;
-	      propCount = animationDurations.length;
-	    }
-	  } else {
-	    timeout = Math.max(transitionTimeout, animationTimeout);
-	    type = timeout > 0
-	      ? transitionTimeout > animationTimeout
-	        ? TRANSITION
-	        : ANIMATION
-	      : null;
-	    propCount = type
-	      ? type === TRANSITION
-	        ? transitionDurations.length
-	        : animationDurations.length
-	      : 0;
-	  }
-	  var hasTransform =
-	    type === TRANSITION &&
-	    transformRE.test(styles[transitionProp + 'Property']);
-	  return {
-	    type: type,
-	    timeout: timeout,
-	    propCount: propCount,
-	    hasTransform: hasTransform
-	  }
-	}
-
-	function getTimeout (delays, durations) {
-	  /* istanbul ignore next */
-	  while (delays.length < durations.length) {
-	    delays = delays.concat(delays);
-	  }
-
-	  return Math.max.apply(null, durations.map(function (d, i) {
-	    return toMs(d) + toMs(delays[i])
-	  }))
-	}
-
-	function toMs (s) {
-	  return Number(s.slice(0, -1)) * 1000
-	}
-
-	/*  */
-
-	function enter (vnode, toggleDisplay) {
-	  var el = vnode.elm;
-
-	  // call leave callback now
-	  if (el._leaveCb) {
-	    el._leaveCb.cancelled = true;
-	    el._leaveCb();
-	  }
-
-	  var data = resolveTransition(vnode.data.transition);
-	  if (!data) {
-	    return
-	  }
-
-	  /* istanbul ignore if */
-	  if (el._enterCb || el.nodeType !== 1) {
-	    return
-	  }
-
-	  var css = data.css;
-	  var type = data.type;
-	  var enterClass = data.enterClass;
-	  var enterToClass = data.enterToClass;
-	  var enterActiveClass = data.enterActiveClass;
-	  var appearClass = data.appearClass;
-	  var appearToClass = data.appearToClass;
-	  var appearActiveClass = data.appearActiveClass;
-	  var beforeEnter = data.beforeEnter;
-	  var enter = data.enter;
-	  var afterEnter = data.afterEnter;
-	  var enterCancelled = data.enterCancelled;
-	  var beforeAppear = data.beforeAppear;
-	  var appear = data.appear;
-	  var afterAppear = data.afterAppear;
-	  var appearCancelled = data.appearCancelled;
-
-	  // activeInstance will always be the <transition> component managing this
-	  // transition. One edge case to check is when the <transition> is placed
-	  // as the root node of a child component. In that case we need to check
-	  // <transition>'s parent for appear check.
-	  var context = activeInstance;
-	  var transitionNode = activeInstance.$vnode;
-	  while (transitionNode && transitionNode.parent) {
-	    transitionNode = transitionNode.parent;
-	    context = transitionNode.context;
-	  }
-
-	  var isAppear = !context._isMounted || !vnode.isRootInsert;
-
-	  if (isAppear && !appear && appear !== '') {
-	    return
-	  }
-
-	  var startClass = isAppear ? appearClass : enterClass;
-	  var activeClass = isAppear ? appearActiveClass : enterActiveClass;
-	  var toClass = isAppear ? appearToClass : enterToClass;
-	  var beforeEnterHook = isAppear ? (beforeAppear || beforeEnter) : beforeEnter;
-	  var enterHook = isAppear ? (typeof appear === 'function' ? appear : enter) : enter;
-	  var afterEnterHook = isAppear ? (afterAppear || afterEnter) : afterEnter;
-	  var enterCancelledHook = isAppear ? (appearCancelled || enterCancelled) : enterCancelled;
-
-	  var expectsCSS = css !== false && !isIE9;
-	  var userWantsControl =
-	    enterHook &&
-	    // enterHook may be a bound method which exposes
-	    // the length of original fn as _length
-	    (enterHook._length || enterHook.length) > 1;
-
-	  var cb = el._enterCb = once(function () {
-	    if (expectsCSS) {
-	      removeTransitionClass(el, toClass);
-	      removeTransitionClass(el, activeClass);
-	    }
-	    if (cb.cancelled) {
-	      if (expectsCSS) {
-	        removeTransitionClass(el, startClass);
-	      }
-	      enterCancelledHook && enterCancelledHook(el);
-	    } else {
-	      afterEnterHook && afterEnterHook(el);
-	    }
-	    el._enterCb = null;
-	  });
-
-	  if (!vnode.data.show) {
-	    // remove pending leave element on enter by injecting an insert hook
-	    mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {
-	      var parent = el.parentNode;
-	      var pendingNode = parent && parent._pending && parent._pending[vnode.key];
-	      if (pendingNode &&
-	          pendingNode.context === vnode.context &&
-	          pendingNode.tag === vnode.tag &&
-	          pendingNode.elm._leaveCb) {
-	        pendingNode.elm._leaveCb();
-	      }
-	      enterHook && enterHook(el, cb);
-	    }, 'transition-insert');
-	  }
-
-	  // start enter transition
-	  beforeEnterHook && beforeEnterHook(el);
-	  if (expectsCSS) {
-	    addTransitionClass(el, startClass);
-	    addTransitionClass(el, activeClass);
-	    nextFrame(function () {
-	      addTransitionClass(el, toClass);
-	      removeTransitionClass(el, startClass);
-	      if (!cb.cancelled && !userWantsControl) {
-	        whenTransitionEnds(el, type, cb);
-	      }
-	    });
-	  }
-
-	  if (vnode.data.show) {
-	    toggleDisplay && toggleDisplay();
-	    enterHook && enterHook(el, cb);
-	  }
-
-	  if (!expectsCSS && !userWantsControl) {
-	    cb();
-	  }
-	}
-
-	function leave (vnode, rm) {
-	  var el = vnode.elm;
-
-	  // call enter callback now
-	  if (el._enterCb) {
-	    el._enterCb.cancelled = true;
-	    el._enterCb();
-	  }
-
-	  var data = resolveTransition(vnode.data.transition);
-	  if (!data) {
-	    return rm()
-	  }
-
-	  /* istanbul ignore if */
-	  if (el._leaveCb || el.nodeType !== 1) {
-	    return
-	  }
-
-	  var css = data.css;
-	  var type = data.type;
-	  var leaveClass = data.leaveClass;
-	  var leaveToClass = data.leaveToClass;
-	  var leaveActiveClass = data.leaveActiveClass;
-	  var beforeLeave = data.beforeLeave;
-	  var leave = data.leave;
-	  var afterLeave = data.afterLeave;
-	  var leaveCancelled = data.leaveCancelled;
-	  var delayLeave = data.delayLeave;
-
-	  var expectsCSS = css !== false && !isIE9;
-	  var userWantsControl =
-	    leave &&
-	    // leave hook may be a bound method which exposes
-	    // the length of original fn as _length
-	    (leave._length || leave.length) > 1;
-
-	  var cb = el._leaveCb = once(function () {
-	    if (el.parentNode && el.parentNode._pending) {
-	      el.parentNode._pending[vnode.key] = null;
-	    }
-	    if (expectsCSS) {
-	      removeTransitionClass(el, leaveToClass);
-	      removeTransitionClass(el, leaveActiveClass);
-	    }
-	    if (cb.cancelled) {
-	      if (expectsCSS) {
-	        removeTransitionClass(el, leaveClass);
-	      }
-	      leaveCancelled && leaveCancelled(el);
-	    } else {
-	      rm();
-	      afterLeave && afterLeave(el);
-	    }
-	    el._leaveCb = null;
-	  });
-
-	  if (delayLeave) {
-	    delayLeave(performLeave);
-	  } else {
-	    performLeave();
-	  }
-
-	  function performLeave () {
-	    // the delayed leave may have already been cancelled
-	    if (cb.cancelled) {
-	      return
-	    }
-	    // record leaving element
-	    if (!vnode.data.show) {
-	      (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;
-	    }
-	    beforeLeave && beforeLeave(el);
-	    if (expectsCSS) {
-	      addTransitionClass(el, leaveClass);
-	      addTransitionClass(el, leaveActiveClass);
-	      nextFrame(function () {
-	        addTransitionClass(el, leaveToClass);
-	        removeTransitionClass(el, leaveClass);
-	        if (!cb.cancelled && !userWantsControl) {
-	          whenTransitionEnds(el, type, cb);
-	        }
-	      });
-	    }
-	    leave && leave(el, cb);
-	    if (!expectsCSS && !userWantsControl) {
-	      cb();
-	    }
-	  }
-	}
-
-	function resolveTransition (def$$1) {
-	  if (!def$$1) {
-	    return
-	  }
-	  /* istanbul ignore else */
-	  if (typeof def$$1 === 'object') {
-	    var res = {};
-	    if (def$$1.css !== false) {
-	      extend(res, autoCssTransition(def$$1.name || 'v'));
-	    }
-	    extend(res, def$$1);
-	    return res
-	  } else if (typeof def$$1 === 'string') {
-	    return autoCssTransition(def$$1)
-	  }
-	}
-
-	var autoCssTransition = cached(function (name) {
-	  return {
-	    enterClass: (name + "-enter"),
-	    leaveClass: (name + "-leave"),
-	    appearClass: (name + "-enter"),
-	    enterToClass: (name + "-enter-to"),
-	    leaveToClass: (name + "-leave-to"),
-	    appearToClass: (name + "-enter-to"),
-	    enterActiveClass: (name + "-enter-active"),
-	    leaveActiveClass: (name + "-leave-active"),
-	    appearActiveClass: (name + "-enter-active")
-	  }
-	});
-
-	function once (fn) {
-	  var called = false;
-	  return function () {
-	    if (!called) {
-	      called = true;
-	      fn();
-	    }
-	  }
-	}
-
-	function _enter (_, vnode) {
-	  if (!vnode.data.show) {
-	    enter(vnode);
-	  }
-	}
-
-	var transition = inBrowser ? {
-	  create: _enter,
-	  activate: _enter,
-	  remove: function remove (vnode, rm) {
-	    /* istanbul ignore else */
-	    if (!vnode.data.show) {
-	      leave(vnode, rm);
-	    } else {
-	      rm();
-	    }
-	  }
-	} : {};
-
-	var platformModules = [
-	  attrs,
-	  klass,
-	  events,
-	  domProps,
-	  style,
-	  transition
-	];
-
-	/*  */
-
-	// the directive module should be applied last, after all
-	// built-in modules have been applied.
-	var modules = platformModules.concat(baseModules);
-
-	var patch$1 = createPatchFunction({ nodeOps: nodeOps, modules: modules });
-
-	/* istanbul ignore if */
-	if (isIE9) {
-	  // http://www.matts411.com/post/internet-explorer-9-oninput/
-	  document.addEventListener('selectionchange', function () {
-	    var el = document.activeElement;
-	    if (el && el.vmodel) {
-	      trigger(el, 'input');
-	    }
-	  });
-	}
-
-	var model = {
-	  inserted: function inserted (el, binding, vnode) {
-	    if ("production" !== 'production') {}
-	    if (vnode.tag === 'select') {
-	      var cb = function () {
-	        setSelected(el, binding, vnode.context);
-	      };
-	      cb();
-	      /* istanbul ignore if */
-	      if (isIE || isEdge) {
-	        setTimeout(cb, 0);
-	      }
-	    } else if (vnode.tag === 'textarea' || el.type === 'text') {
-	      el._vModifiers = binding.modifiers;
-	      if (!binding.modifiers.lazy) {
-	        if (!isAndroid) {
-	          el.addEventListener('compositionstart', onCompositionStart);
-	          el.addEventListener('compositionend', onCompositionEnd);
-	        }
-	        /* istanbul ignore if */
-	        if (isIE9) {
-	          el.vmodel = true;
-	        }
-	      }
-	    }
-	  },
-	  componentUpdated: function componentUpdated (el, binding, vnode) {
-	    if (vnode.tag === 'select') {
-	      setSelected(el, binding, vnode.context);
-	      // in case the options rendered by v-for have changed,
-	      // it's possible that the value is out-of-sync with the rendered options.
-	      // detect such cases and filter out values that no longer has a matching
-	      // option in the DOM.
-	      var needReset = el.multiple
-	        ? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); })
-	        : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, el.options);
-	      if (needReset) {
-	        trigger(el, 'change');
-	      }
-	    }
-	  }
-	};
-
-	function setSelected (el, binding, vm) {
-	  var value = binding.value;
-	  var isMultiple = el.multiple;
-	  if (isMultiple && !Array.isArray(value)) {
-	    "production" !== 'production' && warn$1(
-	      "<select multiple v-model=\"" + (binding.expression) + "\"> " +
-	      "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
-	      vm
-	    );
-	    return
-	  }
-	  var selected, option;
-	  for (var i = 0, l = el.options.length; i < l; i++) {
-	    option = el.options[i];
-	    if (isMultiple) {
-	      selected = looseIndexOf(value, getValue(option)) > -1;
-	      if (option.selected !== selected) {
-	        option.selected = selected;
-	      }
-	    } else {
-	      if (looseEqual(getValue(option), value)) {
-	        if (el.selectedIndex !== i) {
-	          el.selectedIndex = i;
-	        }
-	        return
-	      }
-	    }
-	  }
-	  if (!isMultiple) {
-	    el.selectedIndex = -1;
-	  }
-	}
-
-	function hasNoMatchingOption (value, options) {
-	  for (var i = 0, l = options.length; i < l; i++) {
-	    if (looseEqual(getValue(options[i]), value)) {
-	      return false
-	    }
-	  }
-	  return true
-	}
-
-	function getValue (option) {
-	  return '_value' in option
-	    ? option._value
-	    : option.value
-	}
-
-	function onCompositionStart (e) {
-	  e.target.composing = true;
-	}
-
-	function onCompositionEnd (e) {
-	  e.target.composing = false;
-	  trigger(e.target, 'input');
-	}
-
-	function trigger (el, type) {
-	  var e = document.createEvent('HTMLEvents');
-	  e.initEvent(type, true, true);
-	  el.dispatchEvent(e);
-	}
-
-	/*  */
-
-	// recursively search for possible transition defined inside the component root
-	function locateNode (vnode) {
-	  return vnode.child && (!vnode.data || !vnode.data.transition)
-	    ? locateNode(vnode.child._vnode)
-	    : vnode
-	}
-
-	var show = {
-	  bind: function bind (el, ref, vnode) {
-	    var value = ref.value;
-
-	    vnode = locateNode(vnode);
-	    var transition = vnode.data && vnode.data.transition;
-	    var originalDisplay = el.__vOriginalDisplay =
-	      el.style.display === 'none' ? '' : el.style.display;
-	    if (value && transition && !isIE9) {
-	      vnode.data.show = true;
-	      enter(vnode, function () {
-	        el.style.display = originalDisplay;
-	      });
-	    } else {
-	      el.style.display = value ? originalDisplay : 'none';
-	    }
-	  },
-
-	  update: function update (el, ref, vnode) {
-	    var value = ref.value;
-	    var oldValue = ref.oldValue;
-
-	    /* istanbul ignore if */
-	    if (value === oldValue) { return }
-	    vnode = locateNode(vnode);
-	    var transition = vnode.data && vnode.data.transition;
-	    if (transition && !isIE9) {
-	      vnode.data.show = true;
-	      if (value) {
-	        enter(vnode, function () {
-	          el.style.display = el.__vOriginalDisplay;
-	        });
-	      } else {
-	        leave(vnode, function () {
-	          el.style.display = 'none';
-	        });
-	      }
-	    } else {
-	      el.style.display = value ? el.__vOriginalDisplay : 'none';
-	    }
-	  },
-
-	  unbind: function unbind (
-	    el,
-	    binding,
-	    vnode,
-	    oldVnode,
-	    isDestroy
-	  ) {
-	    if (!isDestroy) {
-	      el.style.display = el.__vOriginalDisplay;
-	    }
-	  }
-	};
-
-	var platformDirectives = {
-	  model: model,
-	  show: show
-	};
-
-	/*  */
-
-	// Provides transition support for a single element/component.
-	// supports transition mode (out-in / in-out)
-
-	var transitionProps = {
-	  name: String,
-	  appear: Boolean,
-	  css: Boolean,
-	  mode: String,
-	  type: String,
-	  enterClass: String,
-	  leaveClass: String,
-	  enterToClass: String,
-	  leaveToClass: String,
-	  enterActiveClass: String,
-	  leaveActiveClass: String,
-	  appearClass: String,
-	  appearActiveClass: String,
-	  appearToClass: String
-	};
-
-	// in case the child is also an abstract component, e.g. <keep-alive>
-	// we want to recursively retrieve the real component to be rendered
-	function getRealChild (vnode) {
-	  var compOptions = vnode && vnode.componentOptions;
-	  if (compOptions && compOptions.Ctor.options.abstract) {
-	    return getRealChild(getFirstComponentChild(compOptions.children))
-	  } else {
-	    return vnode
-	  }
-	}
-
-	function extractTransitionData (comp) {
-	  var data = {};
-	  var options = comp.$options;
-	  // props
-	  for (var key in options.propsData) {
-	    data[key] = comp[key];
-	  }
-	  // events.
-	  // extract listeners and pass them directly to the transition methods
-	  var listeners = options._parentListeners;
-	  for (var key$1 in listeners) {
-	    data[camelize(key$1)] = listeners[key$1].fn;
-	  }
-	  return data
-	}
-
-	function placeholder (h, rawChild) {
-	  return /\d-keep-alive$/.test(rawChild.tag)
-	    ? h('keep-alive')
-	    : null
-	}
-
-	function hasParentTransition (vnode) {
-	  while ((vnode = vnode.parent)) {
-	    if (vnode.data.transition) {
-	      return true
-	    }
-	  }
-	}
-
-	function isSameChild (child, oldChild) {
-	  return oldChild.key === child.key && oldChild.tag === child.tag
-	}
-
-	var Transition = {
-	  name: 'transition',
-	  props: transitionProps,
-	  abstract: true,
-	  render: function render (h) {
-	    var this$1 = this;
-
-	    var children = this.$slots.default;
-	    if (!children) {
-	      return
-	    }
-
-	    // filter out text nodes (possible whitespaces)
-	    children = children.filter(function (c) { return c.tag; });
-	    /* istanbul ignore if */
-	    if (!children.length) {
-	      return
-	    }
-
-	    // warn multiple elements
-	    if ("production" !== 'production' && children.length > 1) {}
-
-	    var mode = this.mode;
-
-	    // warn invalid mode
-	    if ("production" !== 'production' &&
-	        mode && mode !== 'in-out' && mode !== 'out-in') {}
-
-	    var rawChild = children[0];
-
-	    // if this is a component root node and the component's
-	    // parent container node also has transition, skip.
-	    if (hasParentTransition(this.$vnode)) {
-	      return rawChild
-	    }
-
-	    // apply transition data to child
-	    // use getRealChild() to ignore abstract components e.g. keep-alive
-	    var child = getRealChild(rawChild);
-	    /* istanbul ignore if */
-	    if (!child) {
-	      return rawChild
-	    }
-
-	    if (this._leaving) {
-	      return placeholder(h, rawChild)
-	    }
-
-	    var key = child.key = child.key == null || child.isStatic
-	      ? ("__v" + (child.tag + this._uid) + "__")
-	      : child.key;
-	    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
-	    var oldRawChild = this._vnode;
-	    var oldChild = getRealChild(oldRawChild);
-
-	    // mark v-show
-	    // so that the transition module can hand over the control to the directive
-	    if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) {
-	      child.data.show = true;
-	    }
-
-	    if (oldChild && oldChild.data && !isSameChild(child, oldChild)) {
-	      // replace old child transition data with fresh one
-	      // important for dynamic transitions!
-	      var oldData = oldChild && (oldChild.data.transition = extend({}, data));
-	      // handle transition mode
-	      if (mode === 'out-in') {
-	        // return placeholder node and queue update when leave finishes
-	        this._leaving = true;
-	        mergeVNodeHook(oldData, 'afterLeave', function () {
-	          this$1._leaving = false;
-	          this$1.$forceUpdate();
-	        }, key);
-	        return placeholder(h, rawChild)
-	      } else if (mode === 'in-out') {
-	        var delayedLeave;
-	        var performLeave = function () { delayedLeave(); };
-	        mergeVNodeHook(data, 'afterEnter', performLeave, key);
-	        mergeVNodeHook(data, 'enterCancelled', performLeave, key);
-	        mergeVNodeHook(oldData, 'delayLeave', function (leave) {
-	          delayedLeave = leave;
-	        }, key);
-	      }
-	    }
-
-	    return rawChild
-	  }
-	};
-
-	/*  */
-
-	// Provides transition support for list items.
-	// supports move transitions using the FLIP technique.
-
-	// Because the vdom's children update algorithm is "unstable" - i.e.
-	// it doesn't guarantee the relative positioning of removed elements,
-	// we force transition-group to update its children into two passes:
-	// in the first pass, we remove all nodes that need to be removed,
-	// triggering their leaving transition; in the second pass, we insert/move
-	// into the final disired state. This way in the second pass removed
-	// nodes will remain where they should be.
-
-	var props = extend({
-	  tag: String,
-	  moveClass: String
-	}, transitionProps);
-
-	delete props.mode;
-
-	var TransitionGroup = {
-	  props: props,
-
-	  render: function render (h) {
-	    var tag = this.tag || this.$vnode.data.tag || 'span';
-	    var map = Object.create(null);
-	    var prevChildren = this.prevChildren = this.children;
-	    var rawChildren = this.$slots.default || [];
-	    var children = this.children = [];
-	    var transitionData = extractTransitionData(this);
-
-	    for (var i = 0; i < rawChildren.length; i++) {
-	      var c = rawChildren[i];
-	      if (c.tag) {
-	        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
-	          children.push(c);
-	          map[c.key] = c
-	          ;(c.data || (c.data = {})).transition = transitionData;
-	        } else if ("production" !== 'production') {}
-	      }
-	    }
-
-	    if (prevChildren) {
-	      var kept = [];
-	      var removed = [];
-	      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
-	        var c$1 = prevChildren[i$1];
-	        c$1.data.transition = transitionData;
-	        c$1.data.pos = c$1.elm.getBoundingClientRect();
-	        if (map[c$1.key]) {
-	          kept.push(c$1);
-	        } else {
-	          removed.push(c$1);
-	        }
-	      }
-	      this.kept = h(tag, null, kept);
-	      this.removed = removed;
-	    }
-
-	    return h(tag, null, children)
-	  },
-
-	  beforeUpdate: function beforeUpdate () {
-	    // force removing pass
-	    this.__patch__(
-	      this._vnode,
-	      this.kept,
-	      false, // hydrating
-	      true // removeOnly (!important, avoids unnecessary moves)
-	    );
-	    this._vnode = this.kept;
-	  },
-
-	  updated: function updated () {
-	    var children = this.prevChildren;
-	    var moveClass = this.moveClass || ((this.name || 'v') + '-move');
-	    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
-	      return
-	    }
-
-	    // we divide the work into three loops to avoid mixing DOM reads and writes
-	    // in each iteration - which helps prevent layout thrashing.
-	    children.forEach(callPendingCbs);
-	    children.forEach(recordPosition);
-	    children.forEach(applyTranslation);
-
-	    // force reflow to put everything in position
-	    var f = document.body.offsetHeight; // eslint-disable-line
-
-	    children.forEach(function (c) {
-	      if (c.data.moved) {
-	        var el = c.elm;
-	        var s = el.style;
-	        addTransitionClass(el, moveClass);
-	        s.transform = s.WebkitTransform = s.transitionDuration = '';
-	        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
-	          if (!e || /transform$/.test(e.propertyName)) {
-	            el.removeEventListener(transitionEndEvent, cb);
-	            el._moveCb = null;
-	            removeTransitionClass(el, moveClass);
-	          }
-	        });
-	      }
-	    });
-	  },
-
-	  methods: {
-	    hasMove: function hasMove (el, moveClass) {
-	      /* istanbul ignore if */
-	      if (!hasTransition) {
-	        return false
-	      }
-	      if (this._hasMove != null) {
-	        return this._hasMove
-	      }
-	      addTransitionClass(el, moveClass);
-	      var info = getTransitionInfo(el);
-	      removeTransitionClass(el, moveClass);
-	      return (this._hasMove = info.hasTransform)
-	    }
-	  }
-	};
-
-	function callPendingCbs (c) {
-	  /* istanbul ignore if */
-	  if (c.elm._moveCb) {
-	    c.elm._moveCb();
-	  }
-	  /* istanbul ignore if */
-	  if (c.elm._enterCb) {
-	    c.elm._enterCb();
-	  }
-	}
-
-	function recordPosition (c) {
-	  c.data.newPos = c.elm.getBoundingClientRect();
-	}
-
-	function applyTranslation (c) {
-	  var oldPos = c.data.pos;
-	  var newPos = c.data.newPos;
-	  var dx = oldPos.left - newPos.left;
-	  var dy = oldPos.top - newPos.top;
-	  if (dx || dy) {
-	    c.data.moved = true;
-	    var s = c.elm.style;
-	    s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
-	    s.transitionDuration = '0s';
-	  }
-	}
-
-	var platformComponents = {
-	  Transition: Transition,
-	  TransitionGroup: TransitionGroup
-	};
-
-	/*  */
-
-	// install platform specific utils
-	Vue$2.config.isUnknownElement = isUnknownElement;
-	Vue$2.config.isReservedTag = isReservedTag;
-	Vue$2.config.getTagNamespace = getTagNamespace;
-	Vue$2.config.mustUseProp = mustUseProp;
-
-	// install platform runtime directives & components
-	extend(Vue$2.options.directives, platformDirectives);
-	extend(Vue$2.options.components, platformComponents);
-
-	// install platform patch function
-	Vue$2.prototype.__patch__ = inBrowser ? patch$1 : noop;
-
-	// wrap mount
-	Vue$2.prototype.$mount = function (
-	  el,
-	  hydrating
-	) {
-	  el = el && inBrowser ? query(el) : undefined;
-	  return this._mount(el, hydrating)
-	};
-
-	// devtools global hook
-	/* istanbul ignore next */
-	setTimeout(function () {
-	  if (config.devtools) {
-	    if (devtools) {
-	      devtools.emit('init', Vue$2);
-	    } else if (
-	      "production" !== 'production' &&
-	      inBrowser && !isEdge && /Chrome\/\d+/.test(window.navigator.userAgent)
-	    ) {}
-	  }
-	}, 0);
-
-	var vue_runtime_common = Vue$2;
-
-	var LEFT_ARROW = '«'
-	var RIGHT_ARROW = '»'
-	var ELLIPSES = '…'
-
-	var LimitedLinksGenerator = function LimitedLinksGenerator (listOfPages, currentPage, limit) {
-	  this.listOfPages = listOfPages
-	  this.lastPage = listOfPages.length - 1
-	  this.currentPage = currentPage === this.lastPage
-	    ? this.lastPage - 1
-	    : currentPage
-	  this.limit = limit
-	};
-
-	LimitedLinksGenerator.prototype.generate = function generate () {
-	  var firstHalf = this._buildFirstHalf()
-	  var secondHalf = this._buildSecondHalf()
-	  return firstHalf.concat( secondHalf)
-	};
-
-	LimitedLinksGenerator.prototype._buildFirstHalf = function _buildFirstHalf () {
-	  var firstHalf = this._allPagesButLast()
-	    .slice(
-	      this._currentChunkIndex(),
-	      this._currentChunkIndex() + this.limit
-	    )
-	  // Add backward ellipses with first page if needed
-	  if (this.currentPage >= this.limit) {
-	    firstHalf.unshift(ELLIPSES)
-	    firstHalf.unshift(0)
-	  }
-	  // Add ellipses if needed
-	  if (this.lastPage - this.limit > this._currentChunkIndex()) {
-	    firstHalf.push(ELLIPSES)
-	  }
-	  return firstHalf
-	};
-
-	LimitedLinksGenerator.prototype._buildSecondHalf = function _buildSecondHalf () {
-	  var secondHalf = [this.lastPage]
-	  return secondHalf
-	};
-
-	LimitedLinksGenerator.prototype._currentChunkIndex = function _currentChunkIndex () {
-	  var currentChunk = Math.floor(this.currentPage / this.limit)
-	  return currentChunk * this.limit 
-	};
-
-	LimitedLinksGenerator.prototype._allPagesButLast = function _allPagesButLast () {
-	    var this$1 = this;
-
-	  return this.listOfPages.filter(function (n) { return n !== this$1.lastPage; })
-	};
-
-	var PaginateLinks = {
-	  name: 'paginate-links',
-	  props: {
-	    for: {
-	      type: String,
-	      required: true
-	    },
-	    limit: {
-	      type: Number,
-	      default: 0
-	    },
-	    simple: {
-	      type: Object,
-	      default: null,
-	      validator: function validator (obj) {
-	        return obj.prev && obj.next
-	      }
-	    },
-	    stepLinks: {
-	      type: Object,
-	      default: function () {
-	        return {
-	          prev: LEFT_ARROW,
-	          next: RIGHT_ARROW
-	        }
-	      },
-	      validator: function validator$1 (obj) {
-	        return obj.prev && obj.next
-	      }
-	    },
-	    showStepLinks: {
-	      type: Boolean
-	    },
-	    hideSinglePage: {
-	      type: Boolean
-	    },
-	    classes: {
-	      type: Object,
-	      default: null
-	    }
-	  },
-	  data: function data () {
-	    return {
-	      listOfPages: [],
-	      numberOfPages: 0
-	    }
-	  },
-	  computed: {
-	    currentPage: {
-	      get: function get () {
-	        if (this.$parent.paginate[this.for]) {
-	          return this.$parent.paginate[this.for].page
-	        }
-	      },
-	      set: function set (page) {
-	        this.$parent.paginate[this.for].page = page
-	      }
-	    }
-	  },
-	  mounted: function mounted () {
-	    var this$1 = this;
-
-	    if (this.simple && this.limit) {
-	      warn(("<paginate-links for=\"" + (this.for) + "\"> 'simple' and 'limit' props can't be used at the same time. In this case, 'simple' will take precedence, and 'limit' will be ignored."), this.$parent, 'warn')
-	    }
-	    if (this.simple && !this.simple.next) {
-	      warn(("<paginate-links for=\"" + (this.for) + "\"> 'simple' prop doesn't contain 'next' value."), this.$parent)
-	    }
-	    if (this.simple && !this.simple.prev) {
-	      warn(("<paginate-links for=\"" + (this.for) + "\"> 'simple' prop doesn't contain 'prev' value."), this.$parent)
-	    }
-	    if (this.stepLinks && !this.stepLinks.next) {
-	      warn(("<paginate-links for=\"" + (this.for) + "\"> 'step-links' prop doesn't contain 'next' value."), this.$parent)
-	    }
-	    if (this.stepLinks && !this.stepLinks.prev) {
-	      warn(("<paginate-links for=\"" + (this.for) + "\"> 'step-links' prop doesn't contain 'prev' value."), this.$parent)
-	    }
-	    vue_runtime_common.nextTick(function () {
-	      this$1.updateListOfPages()
-	    })
-	  },
-	  watch: {
-	    '$parent.paginate': {
-	      handler: function handler () {
-	        this.updateListOfPages()
-	      },
-	      deep: true
-	    },
-	    currentPage: function currentPage (toPage, fromPage) {
-	      this.$emit('change', toPage + 1, fromPage + 1)
-	    }
-	  },
-	  methods: {
-	    updateListOfPages: function updateListOfPages () {
-	      var target = getTargetPaginateComponent(this.$parent.$children, this.for)
-	      if (!target) {
-	        warn(("<paginate-links for=\"" + (this.for) + "\"> can't be used without its companion <paginate name=\"" + (this.for) + "\">"), this.$parent)
-	        return
-	      }
-	      this.numberOfPages = Math.ceil(target.list.length / target.per)
-	      this.listOfPages = getListOfPageNumbers(this.numberOfPages)
-	    }
-	  },
-	  render: function render (h) {
-	    var this$1 = this;
-
-	    var links = this.simple
-	      ? getSimpleLinks(this, h)
-	      : this.limit > 1
-	      ? getLimitedLinks(this, h)
-	      : getFullLinks(this, h)
-
-	    if (this.hideSinglePage && this.numberOfPages <= 1) {
-	      return null
-	    }
-
-	    var el = h('ul', {
-	      class: ['paginate-links', this.for]
-	    }, links)
-
-	    if (this.classes) {
-	      vue_runtime_common.nextTick(function () {
-	        addAdditionalClasses(el.elm, this$1.classes)
-	      })
-	    }
-	    return el
-	  }
-	}
-
-	function getFullLinks (vm, h) {
-	  var allLinks = vm.showStepLinks
-	    ? [vm.stepLinks.prev ].concat( vm.listOfPages, [vm.stepLinks.next])
-	    : vm.listOfPages
-	  return allLinks.map(function (link) {
-	    var data = {
-	      on: {
-	        click: function (e) {
-	          e.preventDefault()
-	          vm.currentPage = getTargetPageForLink(
-	            link,
-	            vm.limit,
-	            vm.currentPage,
-	            vm.listOfPages,
-	            vm.stepLinks
-	          )
-	        }
-	      }
-	    }
-	    var liClasses = getClassesForLink(
-	      link,
-	      vm.currentPage,
-	      vm.listOfPages.length - 1,
-	      vm.stepLinks
-	    )
-	    var linkText = link === vm.stepLinks.next || link === vm.stepLinks.prev
-	      ? link
-	      : link + 1 // it means it's a number
-	    return h('li', { class: liClasses }, [h('a', data, linkText)])
-	  })
-	}
-
-	function getLimitedLinks (vm, h) {
-	  var limitedLinks = new LimitedLinksGenerator(
-	    vm.listOfPages,
-	    vm.currentPage,
-	    vm.limit,
-	    vm.stepLinks
-	  ).generate()
-
-	  limitedLinks = vm.showStepLinks
-	    ? [vm.stepLinks.prev ].concat( limitedLinks, [vm.stepLinks.next])
-	    : limitedLinks
-
-	  var limitedLinksMetadata = getLimitedLinksMetadata(limitedLinks)
-
-	  return limitedLinks.map(function (link, index) {
-	    var data = {
-	      on: {
-	        click: function (e) {
-	          e.preventDefault()
-	          vm.currentPage = getTargetPageForLink(
-	            link,
-	            vm.limit,
-	            vm.currentPage,
-	            vm.listOfPages,
-	            vm.stepLinks,
-	            limitedLinksMetadata[index]
-	          )
-	        }
-	      }
-	    }
-	    var liClasses = getClassesForLink(
-	      link,
-	      vm.currentPage,
-	      vm.listOfPages.length - 1,
-	      vm.stepLinks
-	    )
-	    // If the link is a number,
-	    // then incremented by 1 (since it's 0 based).
-	    // otherwise, do nothing (so, it's a symbol). 
-	    var text = Number.isInteger(link) ? link + 1 : link
-	    return h('li', { class: liClasses }, [h('a', data, text)])
-	  })
-	}
-
-	function getSimpleLinks (vm, h) {
-	  var lastPage = vm.listOfPages.length - 1
-	  var prevData = {
-	    on: {
-	      click: function (e) {
-	        e.preventDefault()
-	        if (vm.currentPage > 0) { vm.currentPage -= 1 }
-	      }
-	    }
-	  }
-	  var nextData = {
-	    on: {
-	      click: function (e) {
-	        e.preventDefault()
-	        if (vm.currentPage < lastPage) { vm.currentPage += 1 }
-	      }
-	    }
-	  }
-	  var nextListData = { class: ['next', vm.currentPage >= lastPage ? 'disabled' : ''] }
-	  var prevListData = { class: ['prev', vm.currentPage <= 0 ? 'disabled' : ''] }
-	  var prevLink = h('li', prevListData, [h('a', prevData, vm.simple.prev)])
-	  var nextLink = h('li', nextListData, [h('a', nextData, vm.simple.next)])
-	  return [prevLink, nextLink]
-	}
-
-	function getTargetPaginateComponent (children, targetName) {
-	  return children
-	    .filter(function (child) { return (child.$vnode.componentOptions.tag === 'paginate'); })
-	    .find(function (child) { return child.name === targetName; })
-	}
-
-	function getListOfPageNumbers (numberOfPages) {
-	  // converts number of pages into an array
-	  // that contains each individual page number
-	  // For Example: 4 => [0, 1, 2, 3]
-	  return Array.apply(null, { length: numberOfPages })
-	    .map(function (val, index) { return index; })
-	}
-
-	function getClassesForLink(link, currentPage, lastPage, ref) {
-	  var prev = ref.prev;
-	  var next = ref.next;
-
-	  var liClass = []
-	  if (link === prev) {
-	    liClass.push('left-arrow')
-	  } else if (link === next) {
-	    liClass.push('right-arrow')
-	  } else if (link === ELLIPSES) {
-	    liClass.push('ellipses')
-	  } else {
-	    liClass.push('number')
-	  }
-
-	  if (link === currentPage) {
-	    liClass.push('active')
-	  }
-
-	  if (link === prev && currentPage <= 0) {
-	    liClass.push('disabled')
-	  } else if (link === next && currentPage >= lastPage) {
-	    liClass.push('disabled')
-	  }
-	  return liClass
-	}
-
-	function getTargetPageForLink (link, limit, currentPage, listOfPages, ref, metaData) {
-	  var prev = ref.prev;
-	  var next = ref.next;
-	  if ( metaData === void 0 ) metaData = null;
-
-	  var currentChunk = Math.floor(currentPage / limit)
-	  if (link === prev) {
-	    return (currentPage - 1) < 0 ? 0 : currentPage - 1
-	  } else if (link === next) {
-	    return (currentPage + 1 > listOfPages.length - 1)
-	      ? listOfPages.length - 1
-	      : currentPage + 1
-	  } else if (metaData && metaData === 'right-ellipses') {
-	    return (currentChunk + 1) * limit
-	  } else if (metaData && metaData === 'left-ellipses') {
-	    var chunkContent = listOfPages.slice(currentChunk * limit, currentChunk * limit + limit)
-	    var isLastPage = currentPage === listOfPages.length - 1
-	    if (isLastPage && chunkContent.length === 1) {
-	      currentChunk--
-	    }
-	    return (currentChunk - 1) * limit + limit - 1
-	  }
-	  // which is number
-	  return link
-	}
-
-	/**
-	 * Mainly used here to check whether the displayed
-	 * ellipses is for showing previous or next links
-	 */
-	function getLimitedLinksMetadata (limitedLinks) {
-	  return limitedLinks.map(function (link, index) {
-	    if (link === ELLIPSES && limitedLinks[index - 1] === 0) {
-	      return 'left-ellipses'
-	    } else if (link === ELLIPSES && limitedLinks[index - 1] !== 0) {
-	      return 'right-ellipses'
-	    }
-	    return link
-	  })
-	}
-
-	function addAdditionalClasses (linksContainer, classes) {
-	  Object.keys(classes).forEach(function (selector) {
-	    if (selector === 'ul') {
-	      var selectorValue = classes['ul']
-	      if (Array.isArray(selectorValue)) {
-	        selectorValue.forEach(function (c) { return linksContainer.classList.add(c); })
-	      } else {
-	        linksContainer.classList.add(selectorValue)
-	      }
-	    }
-	    linksContainer.querySelectorAll(selector).forEach(function (node) {
-	      var selectorValue = classes[selector]
-	      if (Array.isArray(selectorValue)) {
-	        selectorValue.forEach(function (c) { return node.classList.add(c); })
-	      } else {
-	        node.classList.add(selectorValue)
-	      }
-	    })
-	  })
-	}
-
-	function paginateDataGenerator (listNames) {
-	  if ( listNames === void 0 ) listNames = [];
-
-	  return listNames.reduce(function (curr, listName) {
-	    curr[listName] = {
-	      list: [],
-	      page: 0
-	    }
-	    return curr
-	  }, {})
-	}
-
-	var vuePaginate = {}
-
-	vuePaginate.install = function (Vue) {
-	  Vue.mixin({
-	    created: function created () {
-	      if (this.paginate !== 'undefined' && this.paginate instanceof Array) {
-	        this.paginate = paginateDataGenerator(this.paginate)
-	      }
-	    },
-	    methods: {
-	      paginated: function paginated (listName) {
-	        if (!this.paginate || !this.paginate[listName]) {
-	          warn(("'" + listName + "' is not registered in 'paginate' array."), this)
-	          return
-	        }
-	        return this.paginate[listName].list
-	      }
-	    }
-	  })
-	  Vue.component('paginate', Paginate)
-	  Vue.component('paginate-links', PaginateLinks)
-	}
-
-	if (typeof window !== 'undefined' && window.Vue) {
-	  window.Vue.use(vuePaginate)
-	}
-
-	return vuePaginate;
+  var warn = function () {}
+  var formatComponentName
+
+  var hasConsole = typeof console !== 'undefined'
+
+  warn = function (msg, vm, type) {
+    if ( type === void 0 ) type = 'error';
+
+    if (hasConsole) {
+      console[type]("[vue-paginate]: " + msg + " " + (
+        vm ? formatLocation(formatComponentName(vm)) : ''
+        ))
+    }
+  }
+
+  formatComponentName = function (vm) {
+    if (vm.$root === vm) {
+      return 'root instance'
+    }
+    var name = vm._isVue
+    ? vm.$options.name || vm.$options._componentTag
+    : vm.name
+    return (
+      (name ? ("component <" + name + ">") : "anonymous component") +
+      (vm._isVue && vm.$options.__file ? (" at " + (vm.$options.__file)) : '')
+      )
+  }
+
+  var formatLocation = function (str) {
+    if (str === 'anonymous component') {
+      str += " - use the \"name\" option for better debugging messages."
+    }
+    return ("\n(found in " + str + ")")
+  }
+
+  var Paginate = {
+    name: 'paginate',
+    props: {
+      name: {
+        type: String,
+        required: true
+      },
+      list: {
+        type: Array,
+        required: true
+      },
+      per: {
+        type: Number,
+        default: 3,
+        validator: function validator (value) {
+          return value > 0
+        }
+      },
+      tag: {
+        type: String,
+        default: 'ul'
+      }
+    },
+    data: function data () {
+      return {}
+    },
+    computed: {
+      currentPage: {
+        get: function get () {
+          if (this.$parent.paginate[this.name]) {
+            return this.$parent.paginate[this.name].page
+          }
+        },
+        set: function set (page) {
+          this.$parent.paginate[this.name].page = page
+        }
+      },
+      pageItemsCount: function pageItemsCount () {
+        var numOfItems = this.list.length
+        var first = this.currentPage * this.per + 1
+        var last = Math.min((this.currentPage * this.per) + this.per, numOfItems)
+        return (first + "-" + last + " of " + numOfItems)
+      }
+    },
+    mounted: function mounted () {
+      if (this.per <= 0) {
+        warn(("<paginate name=\"" + (this.name) + "\"> 'per' prop can't be 0 or less."), this.$parent)
+      }
+      if (!this.$parent.paginate[this.name]) {
+        warn(("'" + (this.name) + "' is not registered in 'paginate' array."), this.$parent)
+        return
+      }
+      this.paginateList()
+    },
+    watch: {
+      currentPage: function currentPage () {
+        this.paginateList()
+      },
+      list: function list () {
+        // On list change, refresh the paginated list
+        this.currentPage = 0
+        this.paginateList()
+      },
+      per: function per () {
+        this.currentPage = 0
+        this.paginateList()
+      }
+    },
+    methods: {
+      paginateList: function paginateList () {
+        var index = this.currentPage * this.per
+        var paginatedList = this.list.slice(index, index + this.per)
+        this.$parent.paginate[this.name].list = paginatedList
+      },
+      goToPage: function goToPage (page) {
+        var maxPage = Math.ceil(this.list.length / this.per)
+        if (page > maxPage) {
+          warn(("You cannot go to page " + page + ". The last page is " + maxPage + "."), this.$parent)
+          return
+        }
+        this.currentPage = page - 1
+      }
+    },
+    render: function render (h) {
+      return h(this.tag, {}, this.$slots.default)
+    }
+  }
+
+  /*!
+   * Vue.js v2.3.3
+   * (c) 2014-2017 Evan You
+   * Released under the MIT License.
+   */
+  /*  */
+
+  // these helpers produces better vm code in JS engines due to their
+  // explicitness and function inlining
+  function isUndef (v) {
+    return v === undefined || v === null
+  }
+
+  function isDef (v) {
+    return v !== undefined && v !== null
+  }
+
+  function isTrue (v) {
+    return v === true
+  }
+
+  function isFalse (v) {
+    return v === false
+  }
+  /**
+   * Check if value is primitive
+   */
+  function isPrimitive (value) {
+    return typeof value === 'string' || typeof value === 'number'
+  }
+
+  /**
+   * Quick object check - this is primarily used to tell
+   * Objects from primitive values when we know the value
+   * is a JSON-compliant type.
+   */
+  function isObject (obj) {
+    return obj !== null && typeof obj === 'object'
+  }
+
+  var _toString = Object.prototype.toString;
+
+  /**
+   * Strict object type check. Only returns true
+   * for plain JavaScript objects.
+   */
+  function isPlainObject (obj) {
+    return _toString.call(obj) === '[object Object]'
+  }
+
+  function isRegExp (v) {
+    return _toString.call(v) === '[object RegExp]'
+  }
+
+  /**
+   * Convert a value to a string that is actually rendered.
+   */
+  function toString (val) {
+    return val == null
+      ? ''
+      : typeof val === 'object'
+        ? JSON.stringify(val, null, 2)
+        : String(val)
+  }
+
+  /**
+   * Convert a input value to a number for persistence.
+   * If the conversion fails, return original string.
+   */
+  function toNumber (val) {
+    var n = parseFloat(val);
+    return isNaN(n) ? val : n
+  }
+
+  /**
+   * Make a map and return a function for checking if a key
+   * is in that map.
+   */
+  function makeMap (
+    str,
+    expectsLowerCase
+  ) {
+    var map = Object.create(null);
+    var list = str.split(',');
+    for (var i = 0; i < list.length; i++) {
+      map[list[i]] = true;
+    }
+    return expectsLowerCase
+      ? function (val) { return map[val.toLowerCase()]; }
+      : function (val) { return map[val]; }
+  }
+
+  /**
+   * Check if a tag is a built-in tag.
+   */
+  var isBuiltInTag = makeMap('slot,component', true);
+
+  /**
+   * Remove an item from an array
+   */
+  function remove (arr, item) {
+    if (arr.length) {
+      var index = arr.indexOf(item);
+      if (index > -1) {
+        return arr.splice(index, 1)
+      }
+    }
+  }
+
+  /**
+   * Check whether the object has the property.
+   */
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
+  function hasOwn (obj, key) {
+    return hasOwnProperty.call(obj, key)
+  }
+
+  /**
+   * Create a cached version of a pure function.
+   */
+  function cached (fn) {
+    var cache = Object.create(null);
+    return (function cachedFn (str) {
+      var hit = cache[str];
+      return hit || (cache[str] = fn(str))
+    })
+  }
+
+  /**
+   * Camelize a hyphen-delimited string.
+   */
+  var camelizeRE = /-(\w)/g;
+  var camelize = cached(function (str) {
+    return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
+  });
+
+  /**
+   * Capitalize a string.
+   */
+  var capitalize = cached(function (str) {
+    return str.charAt(0).toUpperCase() + str.slice(1)
+  });
+
+  /**
+   * Hyphenate a camelCase string.
+   */
+  var hyphenateRE = /([^-])([A-Z])/g;
+  var hyphenate = cached(function (str) {
+    return str
+      .replace(hyphenateRE, '$1-$2')
+      .replace(hyphenateRE, '$1-$2')
+      .toLowerCase()
+  });
+
+  /**
+   * Simple bind, faster than native
+   */
+  function bind (fn, ctx) {
+    function boundFn (a) {
+      var l = arguments.length;
+      return l
+        ? l > 1
+          ? fn.apply(ctx, arguments)
+          : fn.call(ctx, a)
+        : fn.call(ctx)
+    }
+    // record original fn length
+    boundFn._length = fn.length;
+    return boundFn
+  }
+
+  /**
+   * Convert an Array-like object to a real Array.
+   */
+  function toArray (list, start) {
+    start = start || 0;
+    var i = list.length - start;
+    var ret = new Array(i);
+    while (i--) {
+      ret[i] = list[i + start];
+    }
+    return ret
+  }
+
+  /**
+   * Mix properties into target object.
+   */
+  function extend (to, _from) {
+    for (var key in _from) {
+      to[key] = _from[key];
+    }
+    return to
+  }
+
+  /**
+   * Merge an Array of Objects into a single Object.
+   */
+  function toObject (arr) {
+    var res = {};
+    for (var i = 0; i < arr.length; i++) {
+      if (arr[i]) {
+        extend(res, arr[i]);
+      }
+    }
+    return res
+  }
+
+  /**
+   * Perform no operation.
+   */
+  function noop () {}
+
+  /**
+   * Always return false.
+   */
+  var no = function () { return false; };
+
+  /**
+   * Return same value
+   */
+  var identity = function (_) { return _; };
+
+  /**
+   * Generate a static keys string from compiler modules.
+   */
+
+
+  /**
+   * Check if two values are loosely equal - that is,
+   * if they are plain objects, do they have the same shape?
+   */
+  function looseEqual (a, b) {
+    var isObjectA = isObject(a);
+    var isObjectB = isObject(b);
+    if (isObjectA && isObjectB) {
+      try {
+        return JSON.stringify(a) === JSON.stringify(b)
+      } catch (e) {
+        // possible circular reference
+        return a === b
+      }
+    } else if (!isObjectA && !isObjectB) {
+      return String(a) === String(b)
+    } else {
+      return false
+    }
+  }
+
+  function looseIndexOf (arr, val) {
+    for (var i = 0; i < arr.length; i++) {
+      if (looseEqual(arr[i], val)) { return i }
+    }
+    return -1
+  }
+
+  /**
+   * Ensure a function is called only once.
+   */
+  function once (fn) {
+    var called = false;
+    return function () {
+      if (!called) {
+        called = true;
+        fn.apply(this, arguments);
+      }
+    }
+  }
+
+  var SSR_ATTR = 'data-server-rendered';
+
+  var ASSET_TYPES = [
+    'component',
+    'directive',
+    'filter'
+  ];
+
+  var LIFECYCLE_HOOKS = [
+    'beforeCreate',
+    'created',
+    'beforeMount',
+    'mounted',
+    'beforeUpdate',
+    'updated',
+    'beforeDestroy',
+    'destroyed',
+    'activated',
+    'deactivated'
+  ];
+
+  /*  */
+
+  var config = ({
+    /**
+     * Option merge strategies (used in core/util/options)
+     */
+    optionMergeStrategies: Object.create(null),
+
+    /**
+     * Whether to suppress warnings.
+     */
+    silent: false,
+
+    /**
+     * Show production mode tip message on boot?
+     */
+    productionTip: "production" !== 'production',
+
+    /**
+     * Whether to enable devtools
+     */
+    devtools: "production" !== 'production',
+
+    /**
+     * Whether to record perf
+     */
+    performance: false,
+
+    /**
+     * Error handler for watcher errors
+     */
+    errorHandler: null,
+
+    /**
+     * Ignore certain custom elements
+     */
+    ignoredElements: [],
+
+    /**
+     * Custom user key aliases for v-on
+     */
+    keyCodes: Object.create(null),
+
+    /**
+     * Check if a tag is reserved so that it cannot be registered as a
+     * component. This is platform-dependent and may be overwritten.
+     */
+    isReservedTag: no,
+
+    /**
+     * Check if an attribute is reserved so that it cannot be used as a component
+     * prop. This is platform-dependent and may be overwritten.
+     */
+    isReservedAttr: no,
+
+    /**
+     * Check if a tag is an unknown element.
+     * Platform-dependent.
+     */
+    isUnknownElement: no,
+
+    /**
+     * Get the namespace of an element
+     */
+    getTagNamespace: noop,
+
+    /**
+     * Parse the real tag name for the specific platform.
+     */
+    parsePlatformTagName: identity,
+
+    /**
+     * Check if an attribute must be bound using property, e.g. value
+     * Platform-dependent.
+     */
+    mustUseProp: no,
+
+    /**
+     * Exposed for legacy reasons
+     */
+    _lifecycleHooks: LIFECYCLE_HOOKS
+  });
+
+  /*  */
+
+  var emptyObject = Object.freeze({});
+
+  /**
+   * Check if a string starts with $ or _
+   */
+  function isReserved (str) {
+    var c = (str + '').charCodeAt(0);
+    return c === 0x24 || c === 0x5F
+  }
+
+  /**
+   * Define a property.
+   */
+  function def (obj, key, val, enumerable) {
+    Object.defineProperty(obj, key, {
+      value: val,
+      enumerable: !!enumerable,
+      writable: true,
+      configurable: true
+    });
+  }
+
+  /**
+   * Parse simple path.
+   */
+  var bailRE = /[^\w.$]/;
+  function parsePath (path) {
+    if (bailRE.test(path)) {
+      return
+    }
+    var segments = path.split('.');
+    return function (obj) {
+      for (var i = 0; i < segments.length; i++) {
+        if (!obj) { return }
+        obj = obj[segments[i]];
+      }
+      return obj
+    }
+  }
+
+  /*  */
+
+  var warn$1 = noop;
+  var tip = noop;
+  /*  */
+
+  function handleError (err, vm, info) {
+    if (config.errorHandler) {
+      config.errorHandler.call(null, err, vm, info);
+    } else {
+      if ("production" !== 'production') {}
+      /* istanbul ignore else */
+      if (inBrowser && typeof console !== 'undefined') {
+        console.error(err);
+      } else {
+        throw err
+      }
+    }
+  }
+
+  /*  */
+  /* globals MutationObserver */
+
+  // can we use __proto__?
+  var hasProto = '__proto__' in {};
+
+  // Browser environment sniffing
+  var inBrowser = typeof window !== 'undefined';
+  var UA = inBrowser && window.navigator.userAgent.toLowerCase();
+  var isIE = UA && /msie|trident/.test(UA);
+  var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
+  var isEdge = UA && UA.indexOf('edge/') > 0;
+  var isAndroid = UA && UA.indexOf('android') > 0;
+  var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
+  var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
+
+  var supportsPassive = false;
+  if (inBrowser) {
+    try {
+      var opts = {};
+      Object.defineProperty(opts, 'passive', ({
+        get: function get () {
+          /* istanbul ignore next */
+          supportsPassive = true;
+        }
+      } )); // https://github.com/facebook/flow/issues/285
+      window.addEventListener('test-passive', null, opts);
+    } catch (e) {}
+  }
+
+  // this needs to be lazy-evaled because vue may be required before
+  // vue-server-renderer can set VUE_ENV
+  var _isServer;
+  var isServerRendering = function () {
+    if (_isServer === undefined) {
+      /* istanbul ignore if */
+      if (!inBrowser && typeof global !== 'undefined') {
+        // detect presence of vue-server-renderer and avoid
+        // Webpack shimming the process
+        _isServer = global['process'].env.VUE_ENV === 'server';
+      } else {
+        _isServer = false;
+      }
+    }
+    return _isServer
+  };
+
+  // detect devtools
+  var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
+
+  /* istanbul ignore next */
+  function isNative (Ctor) {
+    return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
+  }
+
+  var hasSymbol =
+    typeof Symbol !== 'undefined' && isNative(Symbol) &&
+    typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
+
+  /**
+   * Defer a task to execute it asynchronously.
+   */
+  var nextTick = (function () {
+    var callbacks = [];
+    var pending = false;
+    var timerFunc;
+
+    function nextTickHandler () {
+      pending = false;
+      var copies = callbacks.slice(0);
+      callbacks.length = 0;
+      for (var i = 0; i < copies.length; i++) {
+        copies[i]();
+      }
+    }
+
+    // the nextTick behavior leverages the microtask queue, which can be accessed
+    // via either native Promise.then or MutationObserver.
+    // MutationObserver has wider support, however it is seriously bugged in
+    // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
+    // completely stops working after triggering a few times... so, if native
+    // Promise is available, we will use it:
+    /* istanbul ignore if */
+    if (typeof Promise !== 'undefined' && isNative(Promise)) {
+      var p = Promise.resolve();
+      var logError = function (err) { console.error(err); };
+      timerFunc = function () {
+        p.then(nextTickHandler).catch(logError);
+        // in problematic UIWebViews, Promise.then doesn't completely break, but
+        // it can get stuck in a weird state where callbacks are pushed into the
+        // microtask queue but the queue isn't being flushed, until the browser
+        // needs to do some other work, e.g. handle a timer. Therefore we can
+        // "force" the microtask queue to be flushed by adding an empty timer.
+        if (isIOS) { setTimeout(noop); }
+      };
+    } else if (typeof MutationObserver !== 'undefined' && (
+      isNative(MutationObserver) ||
+      // PhantomJS and iOS 7.x
+      MutationObserver.toString() === '[object MutationObserverConstructor]'
+    )) {
+      // use MutationObserver where native Promise is not available,
+      // e.g. PhantomJS IE11, iOS7, Android 4.4
+      var counter = 1;
+      var observer = new MutationObserver(nextTickHandler);
+      var textNode = document.createTextNode(String(counter));
+      observer.observe(textNode, {
+        characterData: true
+      });
+      timerFunc = function () {
+        counter = (counter + 1) % 2;
+        textNode.data = String(counter);
+      };
+    } else {
+      // fallback to setTimeout
+      /* istanbul ignore next */
+      timerFunc = function () {
+        setTimeout(nextTickHandler, 0);
+      };
+    }
+
+    return function queueNextTick (cb, ctx) {
+      var _resolve;
+      callbacks.push(function () {
+        if (cb) {
+          try {
+            cb.call(ctx);
+          } catch (e) {
+            handleError(e, ctx, 'nextTick');
+          }
+        } else if (_resolve) {
+          _resolve(ctx);
+        }
+      });
+      if (!pending) {
+        pending = true;
+        timerFunc();
+      }
+      if (!cb && typeof Promise !== 'undefined') {
+        return new Promise(function (resolve, reject) {
+          _resolve = resolve;
+        })
+      }
+    }
+  })();
+
+  var _Set;
+  /* istanbul ignore if */
+  if (typeof Set !== 'undefined' && isNative(Set)) {
+    // use native Set when available.
+    _Set = Set;
+  } else {
+    // a non-standard Set polyfill that only works with primitive keys.
+    _Set = (function () {
+      function Set () {
+        this.set = Object.create(null);
+      }
+      Set.prototype.has = function has (key) {
+        return this.set[key] === true
+      };
+      Set.prototype.add = function add (key) {
+        this.set[key] = true;
+      };
+      Set.prototype.clear = function clear () {
+        this.set = Object.create(null);
+      };
+
+      return Set;
+    }());
+  }
+
+  /*  */
+
+
+  var uid$1 = 0;
+
+  /**
+   * A dep is an observable that can have multiple
+   * directives subscribing to it.
+   */
+  var Dep = function Dep () {
+    this.id = uid$1++;
+    this.subs = [];
+  };
+
+  Dep.prototype.addSub = function addSub (sub) {
+    this.subs.push(sub);
+  };
+
+  Dep.prototype.removeSub = function removeSub (sub) {
+    remove(this.subs, sub);
+  };
+
+  Dep.prototype.depend = function depend () {
+    if (Dep.target) {
+      Dep.target.addDep(this);
+    }
+  };
+
+  Dep.prototype.notify = function notify () {
+    // stabilize the subscriber list first
+    var subs = this.subs.slice();
+    for (var i = 0, l = subs.length; i < l; i++) {
+      subs[i].update();
+    }
+  };
+
+  // the current target watcher being evaluated.
+  // this is globally unique because there could be only one
+  // watcher being evaluated at any time.
+  Dep.target = null;
+  var targetStack = [];
+
+  function pushTarget (_target) {
+    if (Dep.target) { targetStack.push(Dep.target); }
+    Dep.target = _target;
+  }
+
+  function popTarget () {
+    Dep.target = targetStack.pop();
+  }
+
+  /*
+   * not type checking this file because flow doesn't play well with
+   * dynamically accessing methods on Array prototype
+   */
+
+  var arrayProto = Array.prototype;
+  var arrayMethods = Object.create(arrayProto);[
+    'push',
+    'pop',
+    'shift',
+    'unshift',
+    'splice',
+    'sort',
+    'reverse'
+  ]
+  .forEach(function (method) {
+    // cache original method
+    var original = arrayProto[method];
+    def(arrayMethods, method, function mutator () {
+      var arguments$1 = arguments;
+
+      // avoid leaking arguments:
+      // http://jsperf.com/closure-with-arguments
+      var i = arguments.length;
+      var args = new Array(i);
+      while (i--) {
+        args[i] = arguments$1[i];
+      }
+      var result = original.apply(this, args);
+      var ob = this.__ob__;
+      var inserted;
+      switch (method) {
+        case 'push':
+          inserted = args;
+          break
+        case 'unshift':
+          inserted = args;
+          break
+        case 'splice':
+          inserted = args.slice(2);
+          break
+      }
+      if (inserted) { ob.observeArray(inserted); }
+      // notify change
+      ob.dep.notify();
+      return result
+    });
+  });
+
+  /*  */
+
+  var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
+
+  /**
+   * By default, when a reactive property is set, the new value is
+   * also converted to become reactive. However when passing down props,
+   * we don't want to force conversion because the value may be a nested value
+   * under a frozen data structure. Converting it would defeat the optimization.
+   */
+  var observerState = {
+    shouldConvert: true,
+    isSettingProps: false
+  };
+
+  /**
+   * Observer class that are attached to each observed
+   * object. Once attached, the observer converts target
+   * object's property keys into getter/setters that
+   * collect dependencies and dispatches updates.
+   */
+  var Observer = function Observer (value) {
+    this.value = value;
+    this.dep = new Dep();
+    this.vmCount = 0;
+    def(value, '__ob__', this);
+    if (Array.isArray(value)) {
+      var augment = hasProto
+        ? protoAugment
+        : copyAugment;
+      augment(value, arrayMethods, arrayKeys);
+      this.observeArray(value);
+    } else {
+      this.walk(value);
+    }
+  };
+
+  /**
+   * Walk through each property and convert them into
+   * getter/setters. This method should only be called when
+   * value type is Object.
+   */
+  Observer.prototype.walk = function walk (obj) {
+    var keys = Object.keys(obj);
+    for (var i = 0; i < keys.length; i++) {
+      defineReactive$$1(obj, keys[i], obj[keys[i]]);
+    }
+  };
+
+  /**
+   * Observe a list of Array items.
+   */
+  Observer.prototype.observeArray = function observeArray (items) {
+    for (var i = 0, l = items.length; i < l; i++) {
+      observe(items[i]);
+    }
+  };
+
+  // helpers
+
+  /**
+   * Augment an target Object or Array by intercepting
+   * the prototype chain using __proto__
+   */
+  function protoAugment (target, src) {
+    /* eslint-disable no-proto */
+    target.__proto__ = src;
+    /* eslint-enable no-proto */
+  }
+
+  /**
+   * Augment an target Object or Array by defining
+   * hidden properties.
+   */
+  /* istanbul ignore next */
+  function copyAugment (target, src, keys) {
+    for (var i = 0, l = keys.length; i < l; i++) {
+      var key = keys[i];
+      def(target, key, src[key]);
+    }
+  }
+
+  /**
+   * Attempt to create an observer instance for a value,
+   * returns the new observer if successfully observed,
+   * or the existing observer if the value already has one.
+   */
+  function observe (value, asRootData) {
+    if (!isObject(value)) {
+      return
+    }
+    var ob;
+    if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
+      ob = value.__ob__;
+    } else if (
+      observerState.shouldConvert &&
+      !isServerRendering() &&
+      (Array.isArray(value) || isPlainObject(value)) &&
+      Object.isExtensible(value) &&
+      !value._isVue
+    ) {
+      ob = new Observer(value);
+    }
+    if (asRootData && ob) {
+      ob.vmCount++;
+    }
+    return ob
+  }
+
+  /**
+   * Define a reactive property on an Object.
+   */
+  function defineReactive$$1 (
+    obj,
+    key,
+    val,
+    customSetter
+  ) {
+    var dep = new Dep();
+
+    var property = Object.getOwnPropertyDescriptor(obj, key);
+    if (property && property.configurable === false) {
+      return
+    }
+
+    // cater for pre-defined getter/setters
+    var getter = property && property.get;
+    var setter = property && property.set;
+
+    var childOb = observe(val);
+    Object.defineProperty(obj, key, {
+      enumerable: true,
+      configurable: true,
+      get: function reactiveGetter () {
+        var value = getter ? getter.call(obj) : val;
+        if (Dep.target) {
+          dep.depend();
+          if (childOb) {
+            childOb.dep.depend();
+          }
+          if (Array.isArray(value)) {
+            dependArray(value);
+          }
+        }
+        return value
+      },
+      set: function reactiveSetter (newVal) {
+        var value = getter ? getter.call(obj) : val;
+        /* eslint-disable no-self-compare */
+        if (newVal === value || (newVal !== newVal && value !== value)) {
+          return
+        }
+        /* eslint-enable no-self-compare */
+        if ("production" !== 'production' && customSetter) {}
+        if (setter) {
+          setter.call(obj, newVal);
+        } else {
+          val = newVal;
+        }
+        childOb = observe(newVal);
+        dep.notify();
+      }
+    });
+  }
+
+  /**
+   * Set a property on an object. Adds the new property and
+   * triggers change notification if the property doesn't
+   * already exist.
+   */
+  function set (target, key, val) {
+    if (Array.isArray(target) && typeof key === 'number') {
+      target.length = Math.max(target.length, key);
+      target.splice(key, 1, val);
+      return val
+    }
+    if (hasOwn(target, key)) {
+      target[key] = val;
+      return val
+    }
+    var ob = (target ).__ob__;
+    if (target._isVue || (ob && ob.vmCount)) {
+      "production" !== 'production' && warn$1(
+        'Avoid adding reactive properties to a Vue instance or its root $data ' +
+        'at runtime - declare it upfront in the data option.'
+      );
+      return val
+    }
+    if (!ob) {
+      target[key] = val;
+      return val
+    }
+    defineReactive$$1(ob.value, key, val);
+    ob.dep.notify();
+    return val
+  }
+
+  /**
+   * Delete a property and trigger change if necessary.
+   */
+  function del (target, key) {
+    if (Array.isArray(target) && typeof key === 'number') {
+      target.splice(key, 1);
+      return
+    }
+    var ob = (target ).__ob__;
+    if (target._isVue || (ob && ob.vmCount)) {
+      "production" !== 'production' && warn$1(
+        'Avoid deleting properties on a Vue instance or its root $data ' +
+        '- just set it to null.'
+      );
+      return
+    }
+    if (!hasOwn(target, key)) {
+      return
+    }
+    delete target[key];
+    if (!ob) {
+      return
+    }
+    ob.dep.notify();
+  }
+
+  /**
+   * Collect dependencies on array elements when the array is touched, since
+   * we cannot intercept array element access like property getters.
+   */
+  function dependArray (value) {
+    for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
+      e = value[i];
+      e && e.__ob__ && e.__ob__.dep.depend();
+      if (Array.isArray(e)) {
+        dependArray(e);
+      }
+    }
+  }
+
+  /*  */
+
+  /**
+   * Option overwriting strategies are functions that handle
+   * how to merge a parent option value and a child option
+   * value into the final value.
+   */
+  var strats = config.optionMergeStrategies;
+
+  /**
+   * Helper that recursively merges two data objects together.
+   */
+  function mergeData (to, from) {
+    if (!from) { return to }
+    var key, toVal, fromVal;
+    var keys = Object.keys(from);
+    for (var i = 0; i < keys.length; i++) {
+      key = keys[i];
+      toVal = to[key];
+      fromVal = from[key];
+      if (!hasOwn(to, key)) {
+        set(to, key, fromVal);
+      } else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
+        mergeData(toVal, fromVal);
+      }
+    }
+    return to
+  }
+
+  /**
+   * Data
+   */
+  strats.data = function (
+    parentVal,
+    childVal,
+    vm
+  ) {
+    if (!vm) {
+      // in a Vue.extend merge, both should be functions
+      if (!childVal) {
+        return parentVal
+      }
+      if (typeof childVal !== 'function') {
+        "production" !== 'production' && warn$1(
+          'The "data" option should be a function ' +
+          'that returns a per-instance value in component ' +
+          'definitions.',
+          vm
+        );
+        return parentVal
+      }
+      if (!parentVal) {
+        return childVal
+      }
+      // when parentVal & childVal are both present,
+      // we need to return a function that returns the
+      // merged result of both functions... no need to
+      // check if parentVal is a function here because
+      // it has to be a function to pass previous merges.
+      return function mergedDataFn () {
+        return mergeData(
+          childVal.call(this),
+          parentVal.call(this)
+        )
+      }
+    } else if (parentVal || childVal) {
+      return function mergedInstanceDataFn () {
+        // instance merge
+        var instanceData = typeof childVal === 'function'
+          ? childVal.call(vm)
+          : childVal;
+        var defaultData = typeof parentVal === 'function'
+          ? parentVal.call(vm)
+          : undefined;
+        if (instanceData) {
+          return mergeData(instanceData, defaultData)
+        } else {
+          return defaultData
+        }
+      }
+    }
+  };
+
+  /**
+   * Hooks and props are merged as arrays.
+   */
+  function mergeHook (
+    parentVal,
+    childVal
+  ) {
+    return childVal
+      ? parentVal
+        ? parentVal.concat(childVal)
+        : Array.isArray(childVal)
+          ? childVal
+          : [childVal]
+      : parentVal
+  }
+
+  LIFECYCLE_HOOKS.forEach(function (hook) {
+    strats[hook] = mergeHook;
+  });
+
+  /**
+   * Assets
+   *
+   * When a vm is present (instance creation), we need to do
+   * a three-way merge between constructor options, instance
+   * options and parent options.
+   */
+  function mergeAssets (parentVal, childVal) {
+    var res = Object.create(parentVal || null);
+    return childVal
+      ? extend(res, childVal)
+      : res
+  }
+
+  ASSET_TYPES.forEach(function (type) {
+    strats[type + 's'] = mergeAssets;
+  });
+
+  /**
+   * Watchers.
+   *
+   * Watchers hashes should not overwrite one
+   * another, so we merge them as arrays.
+   */
+  strats.watch = function (parentVal, childVal) {
+    /* istanbul ignore if */
+    if (!childVal) { return Object.create(parentVal || null) }
+    if (!parentVal) { return childVal }
+    var ret = {};
+    extend(ret, parentVal);
+    for (var key in childVal) {
+      var parent = ret[key];
+      var child = childVal[key];
+      if (parent && !Array.isArray(parent)) {
+        parent = [parent];
+      }
+      ret[key] = parent
+        ? parent.concat(child)
+        : [child];
+    }
+    return ret
+  };
+
+  /**
+   * Other object hashes.
+   */
+  strats.props =
+  strats.methods =
+  strats.computed = function (parentVal, childVal) {
+    if (!childVal) { return Object.create(parentVal || null) }
+    if (!parentVal) { return childVal }
+    var ret = Object.create(null);
+    extend(ret, parentVal);
+    extend(ret, childVal);
+    return ret
+  };
+
+  /**
+   * Default strategy.
+   */
+  var defaultStrat = function (parentVal, childVal) {
+    return childVal === undefined
+      ? parentVal
+      : childVal
+  };
+
+  /**
+   * Ensure all props option syntax are normalized into the
+   * Object-based format.
+   */
+  function normalizeProps (options) {
+    var props = options.props;
+    if (!props) { return }
+    var res = {};
+    var i, val, name;
+    if (Array.isArray(props)) {
+      i = props.length;
+      while (i--) {
+        val = props[i];
+        if (typeof val === 'string') {
+          name = camelize(val);
+          res[name] = { type: null };
+        } else if ("production" !== 'production') {}
+      }
+    } else if (isPlainObject(props)) {
+      for (var key in props) {
+        val = props[key];
+        name = camelize(key);
+        res[name] = isPlainObject(val)
+          ? val
+          : { type: val };
+      }
+    }
+    options.props = res;
+  }
+
+  /**
+   * Normalize raw function directives into object format.
+   */
+  function normalizeDirectives (options) {
+    var dirs = options.directives;
+    if (dirs) {
+      for (var key in dirs) {
+        var def = dirs[key];
+        if (typeof def === 'function') {
+          dirs[key] = { bind: def, update: def };
+        }
+      }
+    }
+  }
+
+  /**
+   * Merge two option objects into a new one.
+   * Core utility used in both instantiation and inheritance.
+   */
+  function mergeOptions (
+    parent,
+    child,
+    vm
+  ) {
+    if ("production" !== 'production') {}
+
+    if (typeof child === 'function') {
+      child = child.options;
+    }
+
+    normalizeProps(child);
+    normalizeDirectives(child);
+    var extendsFrom = child.extends;
+    if (extendsFrom) {
+      parent = mergeOptions(parent, extendsFrom, vm);
+    }
+    if (child.mixins) {
+      for (var i = 0, l = child.mixins.length; i < l; i++) {
+        parent = mergeOptions(parent, child.mixins[i], vm);
+      }
+    }
+    var options = {};
+    var key;
+    for (key in parent) {
+      mergeField(key);
+    }
+    for (key in child) {
+      if (!hasOwn(parent, key)) {
+        mergeField(key);
+      }
+    }
+    function mergeField (key) {
+      var strat = strats[key] || defaultStrat;
+      options[key] = strat(parent[key], child[key], vm, key);
+    }
+    return options
+  }
+
+  /**
+   * Resolve an asset.
+   * This function is used because child instances need access
+   * to assets defined in its ancestor chain.
+   */
+  function resolveAsset (
+    options,
+    type,
+    id,
+    warnMissing
+  ) {
+    /* istanbul ignore if */
+    if (typeof id !== 'string') {
+      return
+    }
+    var assets = options[type];
+    // check local registration variations first
+    if (hasOwn(assets, id)) { return assets[id] }
+    var camelizedId = camelize(id);
+    if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
+    var PascalCaseId = capitalize(camelizedId);
+    if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
+    // fallback to prototype chain
+    var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
+    if ("production" !== 'production' && warnMissing && !res) {}
+    return res
+  }
+
+  /*  */
+
+  function validateProp (
+    key,
+    propOptions,
+    propsData,
+    vm
+  ) {
+    var prop = propOptions[key];
+    var absent = !hasOwn(propsData, key);
+    var value = propsData[key];
+    // handle boolean props
+    if (isType(Boolean, prop.type)) {
+      if (absent && !hasOwn(prop, 'default')) {
+        value = false;
+      } else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {
+        value = true;
+      }
+    }
+    // check default value
+    if (value === undefined) {
+      value = getPropDefaultValue(vm, prop, key);
+      // since the default value is a fresh copy,
+      // make sure to observe it.
+      var prevShouldConvert = observerState.shouldConvert;
+      observerState.shouldConvert = true;
+      observe(value);
+      observerState.shouldConvert = prevShouldConvert;
+    }
+    if ("production" !== 'production') {}
+    return value
+  }
+
+  /**
+   * Get the default value of a prop.
+   */
+  function getPropDefaultValue (vm, prop, key) {
+    // no default, return undefined
+    if (!hasOwn(prop, 'default')) {
+      return undefined
+    }
+    var def = prop.default;
+    // warn against non-factory defaults for Object & Array
+    if ("production" !== 'production' && isObject(def)) {}
+    // the raw prop value was also undefined from previous render,
+    // return previous default value to avoid unnecessary watcher trigger
+    if (vm && vm.$options.propsData &&
+      vm.$options.propsData[key] === undefined &&
+      vm._props[key] !== undefined
+    ) {
+      return vm._props[key]
+    }
+    // call factory function for non-Function types
+    // a value is Function if its prototype is function even across different execution context
+    return typeof def === 'function' && getType(prop.type) !== 'Function'
+      ? def.call(vm)
+      : def
+  }
+
+  /**
+   * Use function string name to check built-in types,
+   * because a simple equality check will fail when running
+   * across different vms / iframes.
+   */
+  function getType (fn) {
+    var match = fn && fn.toString().match(/^\s*function (\w+)/);
+    return match ? match[1] : ''
+  }
+
+  function isType (type, fn) {
+    if (!Array.isArray(fn)) {
+      return getType(fn) === getType(type)
+    }
+    for (var i = 0, len = fn.length; i < len; i++) {
+      if (getType(fn[i]) === getType(type)) {
+        return true
+      }
+    }
+    /* istanbul ignore next */
+    return false
+  }
+
+  var mark;
+  /*  */
+
+  var VNode = function VNode (
+    tag,
+    data,
+    children,
+    text,
+    elm,
+    context,
+    componentOptions
+  ) {
+    this.tag = tag;
+    this.data = data;
+    this.children = children;
+    this.text = text;
+    this.elm = elm;
+    this.ns = undefined;
+    this.context = context;
+    this.functionalContext = undefined;
+    this.key = data && data.key;
+    this.componentOptions = componentOptions;
+    this.componentInstance = undefined;
+    this.parent = undefined;
+    this.raw = false;
+    this.isStatic = false;
+    this.isRootInsert = true;
+    this.isComment = false;
+    this.isCloned = false;
+    this.isOnce = false;
+  };
+
+  var prototypeAccessors = { child: {} };
+
+  // DEPRECATED: alias for componentInstance for backwards compat.
+  /* istanbul ignore next */
+  prototypeAccessors.child.get = function () {
+    return this.componentInstance
+  };
+
+  Object.defineProperties( VNode.prototype, prototypeAccessors );
+
+  var createEmptyVNode = function () {
+    var node = new VNode();
+    node.text = '';
+    node.isComment = true;
+    return node
+  };
+
+  function createTextVNode (val) {
+    return new VNode(undefined, undefined, undefined, String(val))
+  }
+
+  // optimized shallow clone
+  // used for static nodes and slot nodes because they may be reused across
+  // multiple renders, cloning them avoids errors when DOM manipulations rely
+  // on their elm reference.
+  function cloneVNode (vnode) {
+    var cloned = new VNode(
+      vnode.tag,
+      vnode.data,
+      vnode.children,
+      vnode.text,
+      vnode.elm,
+      vnode.context,
+      vnode.componentOptions
+    );
+    cloned.ns = vnode.ns;
+    cloned.isStatic = vnode.isStatic;
+    cloned.key = vnode.key;
+    cloned.isComment = vnode.isComment;
+    cloned.isCloned = true;
+    return cloned
+  }
+
+  function cloneVNodes (vnodes) {
+    var len = vnodes.length;
+    var res = new Array(len);
+    for (var i = 0; i < len; i++) {
+      res[i] = cloneVNode(vnodes[i]);
+    }
+    return res
+  }
+
+  /*  */
+
+  var normalizeEvent = cached(function (name) {
+    var passive = name.charAt(0) === '&';
+    name = passive ? name.slice(1) : name;
+    var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
+    name = once$$1 ? name.slice(1) : name;
+    var capture = name.charAt(0) === '!';
+    name = capture ? name.slice(1) : name;
+    return {
+      name: name,
+      once: once$$1,
+      capture: capture,
+      passive: passive
+    }
+  });
+
+  function createFnInvoker (fns) {
+    function invoker () {
+      var arguments$1 = arguments;
+
+      var fns = invoker.fns;
+      if (Array.isArray(fns)) {
+        for (var i = 0; i < fns.length; i++) {
+          fns[i].apply(null, arguments$1);
+        }
+      } else {
+        // return handler return value for single handlers
+        return fns.apply(null, arguments)
+      }
+    }
+    invoker.fns = fns;
+    return invoker
+  }
+
+  function updateListeners (
+    on,
+    oldOn,
+    add,
+    remove$$1,
+    vm
+  ) {
+    var name, cur, old, event;
+    for (name in on) {
+      cur = on[name];
+      old = oldOn[name];
+      event = normalizeEvent(name);
+      if (isUndef(cur)) {
+        "production" !== 'production' && warn$1(
+          "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
+          vm
+        );
+      } else if (isUndef(old)) {
+        if (isUndef(cur.fns)) {
+          cur = on[name] = createFnInvoker(cur);
+        }
+        add(event.name, cur, event.once, event.capture, event.passive);
+      } else if (cur !== old) {
+        old.fns = cur;
+        on[name] = old;
+      }
+    }
+    for (name in oldOn) {
+      if (isUndef(on[name])) {
+        event = normalizeEvent(name);
+        remove$$1(event.name, oldOn[name], event.capture);
+      }
+    }
+  }
+
+  /*  */
+
+  function mergeVNodeHook (def, hookKey, hook) {
+    var invoker;
+    var oldHook = def[hookKey];
+
+    function wrappedHook () {
+      hook.apply(this, arguments);
+      // important: remove merged hook to ensure it's called only once
+      // and prevent memory leak
+      remove(invoker.fns, wrappedHook);
+    }
+
+    if (isUndef(oldHook)) {
+      // no existing hook
+      invoker = createFnInvoker([wrappedHook]);
+    } else {
+      /* istanbul ignore if */
+      if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
+        // already a merged invoker
+        invoker = oldHook;
+        invoker.fns.push(wrappedHook);
+      } else {
+        // existing plain hook
+        invoker = createFnInvoker([oldHook, wrappedHook]);
+      }
+    }
+
+    invoker.merged = true;
+    def[hookKey] = invoker;
+  }
+
+  /*  */
+
+  function extractPropsFromVNodeData (
+    data,
+    Ctor,
+    tag
+  ) {
+    // we are only extracting raw values here.
+    // validation and default values are handled in the child
+    // component itself.
+    var propOptions = Ctor.options.props;
+    if (isUndef(propOptions)) {
+      return
+    }
+    var res = {};
+    var attrs = data.attrs;
+    var props = data.props;
+    if (isDef(attrs) || isDef(props)) {
+      for (var key in propOptions) {
+        var altKey = hyphenate(key);
+        if ("production" !== 'production') {}
+        checkProp(res, props, key, altKey, true) ||
+        checkProp(res, attrs, key, altKey, false);
+      }
+    }
+    return res
+  }
+
+  function checkProp (
+    res,
+    hash,
+    key,
+    altKey,
+    preserve
+  ) {
+    if (isDef(hash)) {
+      if (hasOwn(hash, key)) {
+        res[key] = hash[key];
+        if (!preserve) {
+          delete hash[key];
+        }
+        return true
+      } else if (hasOwn(hash, altKey)) {
+        res[key] = hash[altKey];
+        if (!preserve) {
+          delete hash[altKey];
+        }
+        return true
+      }
+    }
+    return false
+  }
+
+  /*  */
+
+  // The template compiler attempts to minimize the need for normalization by
+  // statically analyzing the template at compile time.
+  //
+  // For plain HTML markup, normalization can be completely skipped because the
+  // generated render function is guaranteed to return Array<VNode>. There are
+  // two cases where extra normalization is needed:
+
+  // 1. When the children contains components - because a functional component
+  // may return an Array instead of a single root. In this case, just a simple
+  // normalization is needed - if any child is an Array, we flatten the whole
+  // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
+  // because functional components already normalize their own children.
+  function simpleNormalizeChildren (children) {
+    for (var i = 0; i < children.length; i++) {
+      if (Array.isArray(children[i])) {
+        return Array.prototype.concat.apply([], children)
+      }
+    }
+    return children
+  }
+
+  // 2. When the children contains constructs that always generated nested Arrays,
+  // e.g. <template>, <slot>, v-for, or when the children is provided by user
+  // with hand-written render functions / JSX. In such cases a full normalization
+  // is needed to cater to all possible types of children values.
+  function normalizeChildren (children) {
+    return isPrimitive(children)
+      ? [createTextVNode(children)]
+      : Array.isArray(children)
+        ? normalizeArrayChildren(children)
+        : undefined
+  }
+
+  function isTextNode (node) {
+    return isDef(node) && isDef(node.text) && isFalse(node.isComment)
+  }
+
+  function normalizeArrayChildren (children, nestedIndex) {
+    var res = [];
+    var i, c, last;
+    for (i = 0; i < children.length; i++) {
+      c = children[i];
+      if (isUndef(c) || typeof c === 'boolean') { continue }
+      last = res[res.length - 1];
+      //  nested
+      if (Array.isArray(c)) {
+        res.push.apply(res, normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i)));
+      } else if (isPrimitive(c)) {
+        if (isTextNode(last)) {
+          // merge adjacent text nodes
+          // this is necessary for SSR hydration because text nodes are
+          // essentially merged when rendered to HTML strings
+          (last).text += String(c);
+        } else if (c !== '') {
+          // convert primitive to vnode
+          res.push(createTextVNode(c));
+        }
+      } else {
+        if (isTextNode(c) && isTextNode(last)) {
+          // merge adjacent text nodes
+          res[res.length - 1] = createTextVNode(last.text + c.text);
+        } else {
+          // default key for nested array children (likely generated by v-for)
+          if (isTrue(children._isVList) &&
+            isDef(c.tag) &&
+            isUndef(c.key) &&
+            isDef(nestedIndex)) {
+            c.key = "__vlist" + nestedIndex + "_" + i + "__";
+          }
+          res.push(c);
+        }
+      }
+    }
+    return res
+  }
+
+  /*  */
+
+  function ensureCtor (comp, base) {
+    return isObject(comp)
+      ? base.extend(comp)
+      : comp
+  }
+
+  function resolveAsyncComponent (
+    factory,
+    baseCtor,
+    context
+  ) {
+    if (isTrue(factory.error) && isDef(factory.errorComp)) {
+      return factory.errorComp
+    }
+
+    if (isDef(factory.resolved)) {
+      return factory.resolved
+    }
+
+    if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
+      return factory.loadingComp
+    }
+
+    if (isDef(factory.contexts)) {
+      // already pending
+      factory.contexts.push(context);
+    } else {
+      var contexts = factory.contexts = [context];
+      var sync = true;
+
+      var forceRender = function () {
+        for (var i = 0, l = contexts.length; i < l; i++) {
+          contexts[i].$forceUpdate();
+        }
+      };
+
+      var resolve = once(function (res) {
+        // cache resolved
+        factory.resolved = ensureCtor(res, baseCtor);
+        // invoke callbacks only if this is not a synchronous resolve
+        // (async resolves are shimmed as synchronous during SSR)
+        if (!sync) {
+          forceRender();
+        }
+      });
+
+      var reject = once(function (reason) {
+        "production" !== 'production' && warn$1(
+          "Failed to resolve async component: " + (String(factory)) +
+          (reason ? ("\nReason: " + reason) : '')
+        );
+        if (isDef(factory.errorComp)) {
+          factory.error = true;
+          forceRender();
+        }
+      });
+
+      var res = factory(resolve, reject);
+
+      if (isObject(res)) {
+        if (typeof res.then === 'function') {
+          // () => Promise
+          if (isUndef(factory.resolved)) {
+            res.then(resolve, reject);
+          }
+        } else if (isDef(res.component) && typeof res.component.then === 'function') {
+          res.component.then(resolve, reject);
+
+          if (isDef(res.error)) {
+            factory.errorComp = ensureCtor(res.error, baseCtor);
+          }
+
+          if (isDef(res.loading)) {
+            factory.loadingComp = ensureCtor(res.loading, baseCtor);
+            if (res.delay === 0) {
+              factory.loading = true;
+            } else {
+              setTimeout(function () {
+                if (isUndef(factory.resolved) && isUndef(factory.error)) {
+                  factory.loading = true;
+                  forceRender();
+                }
+              }, res.delay || 200);
+            }
+          }
+
+          if (isDef(res.timeout)) {
+            setTimeout(function () {
+              if (isUndef(factory.resolved)) {
+                reject(
+                  null
+                );
+              }
+            }, res.timeout);
+          }
+        }
+      }
+
+      sync = false;
+      // return in case resolved synchronously
+      return factory.loading
+        ? factory.loadingComp
+        : factory.resolved
+    }
+  }
+
+  /*  */
+
+  function getFirstComponentChild (children) {
+    if (Array.isArray(children)) {
+      for (var i = 0; i < children.length; i++) {
+        var c = children[i];
+        if (isDef(c) && isDef(c.componentOptions)) {
+          return c
+        }
+      }
+    }
+  }
+
+  /*  */
+
+  /*  */
+
+  function initEvents (vm) {
+    vm._events = Object.create(null);
+    vm._hasHookEvent = false;
+    // init parent attached events
+    var listeners = vm.$options._parentListeners;
+    if (listeners) {
+      updateComponentListeners(vm, listeners);
+    }
+  }
+
+  var target;
+
+  function add (event, fn, once$$1) {
+    if (once$$1) {
+      target.$once(event, fn);
+    } else {
+      target.$on(event, fn);
+    }
+  }
+
+  function remove$1 (event, fn) {
+    target.$off(event, fn);
+  }
+
+  function updateComponentListeners (
+    vm,
+    listeners,
+    oldListeners
+  ) {
+    target = vm;
+    updateListeners(listeners, oldListeners || {}, add, remove$1, vm);
+  }
+
+  function eventsMixin (Vue) {
+    var hookRE = /^hook:/;
+    Vue.prototype.$on = function (event, fn) {
+      var this$1 = this;
+
+      var vm = this;
+      if (Array.isArray(event)) {
+        for (var i = 0, l = event.length; i < l; i++) {
+          this$1.$on(event[i], fn);
+        }
+      } else {
+        (vm._events[event] || (vm._events[event] = [])).push(fn);
+        // optimize hook:event cost by using a boolean flag marked at registration
+        // instead of a hash lookup
+        if (hookRE.test(event)) {
+          vm._hasHookEvent = true;
+        }
+      }
+      return vm
+    };
+
+    Vue.prototype.$once = function (event, fn) {
+      var vm = this;
+      function on () {
+        vm.$off(event, on);
+        fn.apply(vm, arguments);
+      }
+      on.fn = fn;
+      vm.$on(event, on);
+      return vm
+    };
+
+    Vue.prototype.$off = function (event, fn) {
+      var this$1 = this;
+
+      var vm = this;
+      // all
+      if (!arguments.length) {
+        vm._events = Object.create(null);
+        return vm
+      }
+      // array of events
+      if (Array.isArray(event)) {
+        for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
+          this$1.$off(event[i$1], fn);
+        }
+        return vm
+      }
+      // specific event
+      var cbs = vm._events[event];
+      if (!cbs) {
+        return vm
+      }
+      if (arguments.length === 1) {
+        vm._events[event] = null;
+        return vm
+      }
+      // specific handler
+      var cb;
+      var i = cbs.length;
+      while (i--) {
+        cb = cbs[i];
+        if (cb === fn || cb.fn === fn) {
+          cbs.splice(i, 1);
+          break
+        }
+      }
+      return vm
+    };
+
+    Vue.prototype.$emit = function (event) {
+      var vm = this;
+      if ("production" !== 'production') {}
+      var cbs = vm._events[event];
+      if (cbs) {
+        cbs = cbs.length > 1 ? toArray(cbs) : cbs;
+        var args = toArray(arguments, 1);
+        for (var i = 0, l = cbs.length; i < l; i++) {
+          cbs[i].apply(vm, args);
+        }
+      }
+      return vm
+    };
+  }
+
+  /*  */
+
+  /**
+   * Runtime helper for resolving raw children VNodes into a slot object.
+   */
+  function resolveSlots (
+    children,
+    context
+  ) {
+    var slots = {};
+    if (!children) {
+      return slots
+    }
+    var defaultSlot = [];
+    for (var i = 0, l = children.length; i < l; i++) {
+      var child = children[i];
+      // named slots should only be respected if the vnode was rendered in the
+      // same context.
+      if ((child.context === context || child.functionalContext === context) &&
+        child.data && child.data.slot != null
+      ) {
+        var name = child.data.slot;
+        var slot = (slots[name] || (slots[name] = []));
+        if (child.tag === 'template') {
+          slot.push.apply(slot, child.children);
+        } else {
+          slot.push(child);
+        }
+      } else {
+        defaultSlot.push(child);
+      }
+    }
+    // ignore whitespace
+    if (!defaultSlot.every(isWhitespace)) {
+      slots.default = defaultSlot;
+    }
+    return slots
+  }
+
+  function isWhitespace (node) {
+    return node.isComment || node.text === ' '
+  }
+
+  function resolveScopedSlots (
+    fns, // see flow/vnode
+    res
+  ) {
+    res = res || {};
+    for (var i = 0; i < fns.length; i++) {
+      if (Array.isArray(fns[i])) {
+        resolveScopedSlots(fns[i], res);
+      } else {
+        res[fns[i].key] = fns[i].fn;
+      }
+    }
+    return res
+  }
+
+  /*  */
+
+  var activeInstance = null;
+
+  function initLifecycle (vm) {
+    var options = vm.$options;
+
+    // locate first non-abstract parent
+    var parent = options.parent;
+    if (parent && !options.abstract) {
+      while (parent.$options.abstract && parent.$parent) {
+        parent = parent.$parent;
+      }
+      parent.$children.push(vm);
+    }
+
+    vm.$parent = parent;
+    vm.$root = parent ? parent.$root : vm;
+
+    vm.$children = [];
+    vm.$refs = {};
+
+    vm._watcher = null;
+    vm._inactive = null;
+    vm._directInactive = false;
+    vm._isMounted = false;
+    vm._isDestroyed = false;
+    vm._isBeingDestroyed = false;
+  }
+
+  function lifecycleMixin (Vue) {
+    Vue.prototype._update = function (vnode, hydrating) {
+      var vm = this;
+      if (vm._isMounted) {
+        callHook(vm, 'beforeUpdate');
+      }
+      var prevEl = vm.$el;
+      var prevVnode = vm._vnode;
+      var prevActiveInstance = activeInstance;
+      activeInstance = vm;
+      vm._vnode = vnode;
+      // Vue.prototype.__patch__ is injected in entry points
+      // based on the rendering backend used.
+      if (!prevVnode) {
+        // initial render
+        vm.$el = vm.__patch__(
+          vm.$el, vnode, hydrating, false /* removeOnly */,
+          vm.$options._parentElm,
+          vm.$options._refElm
+        );
+      } else {
+        // updates
+        vm.$el = vm.__patch__(prevVnode, vnode);
+      }
+      activeInstance = prevActiveInstance;
+      // update __vue__ reference
+      if (prevEl) {
+        prevEl.__vue__ = null;
+      }
+      if (vm.$el) {
+        vm.$el.__vue__ = vm;
+      }
+      // if parent is an HOC, update its $el as well
+      if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
+        vm.$parent.$el = vm.$el;
+      }
+      // updated hook is called by the scheduler to ensure that children are
+      // updated in a parent's updated hook.
+    };
+
+    Vue.prototype.$forceUpdate = function () {
+      var vm = this;
+      if (vm._watcher) {
+        vm._watcher.update();
+      }
+    };
+
+    Vue.prototype.$destroy = function () {
+      var vm = this;
+      if (vm._isBeingDestroyed) {
+        return
+      }
+      callHook(vm, 'beforeDestroy');
+      vm._isBeingDestroyed = true;
+      // remove self from parent
+      var parent = vm.$parent;
+      if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
+        remove(parent.$children, vm);
+      }
+      // teardown watchers
+      if (vm._watcher) {
+        vm._watcher.teardown();
+      }
+      var i = vm._watchers.length;
+      while (i--) {
+        vm._watchers[i].teardown();
+      }
+      // remove reference from data ob
+      // frozen object may not have observer.
+      if (vm._data.__ob__) {
+        vm._data.__ob__.vmCount--;
+      }
+      // call the last hook...
+      vm._isDestroyed = true;
+      // invoke destroy hooks on current rendered tree
+      vm.__patch__(vm._vnode, null);
+      // fire destroyed hook
+      callHook(vm, 'destroyed');
+      // turn off all instance listeners.
+      vm.$off();
+      // remove __vue__ reference
+      if (vm.$el) {
+        vm.$el.__vue__ = null;
+      }
+      // remove reference to DOM nodes (prevents leak)
+      vm.$options._parentElm = vm.$options._refElm = null;
+    };
+  }
+
+  function mountComponent (
+    vm,
+    el,
+    hydrating
+  ) {
+    vm.$el = el;
+    if (!vm.$options.render) {
+      vm.$options.render = createEmptyVNode;
+      if ("production" !== 'production') {}
+    }
+    callHook(vm, 'beforeMount');
+
+    var updateComponent;
+    /* istanbul ignore if */
+    if ("production" !== 'production' && config.performance && mark) {} else {
+      updateComponent = function () {
+        vm._update(vm._render(), hydrating);
+      };
+    }
+
+    vm._watcher = new Watcher(vm, updateComponent, noop);
+    hydrating = false;
+
+    // manually mounted instance, call mounted on self
+    // mounted is called for render-created child components in its inserted hook
+    if (vm.$vnode == null) {
+      vm._isMounted = true;
+      callHook(vm, 'mounted');
+    }
+    return vm
+  }
+
+  function updateChildComponent (
+    vm,
+    propsData,
+    listeners,
+    parentVnode,
+    renderChildren
+  ) {
+    // determine whether component has slot children
+    // we need to do this before overwriting $options._renderChildren
+    var hasChildren = !!(
+      renderChildren ||               // has new static slots
+      vm.$options._renderChildren ||  // has old static slots
+      parentVnode.data.scopedSlots || // has new scoped slots
+      vm.$scopedSlots !== emptyObject // has old scoped slots
+    );
+
+    vm.$options._parentVnode = parentVnode;
+    vm.$vnode = parentVnode; // update vm's placeholder node without re-render
+    if (vm._vnode) { // update child tree's parent
+      vm._vnode.parent = parentVnode;
+    }
+    vm.$options._renderChildren = renderChildren;
+
+    // update props
+    if (propsData && vm.$options.props) {
+      observerState.shouldConvert = false;
+      if ("production" !== 'production') {}
+      var props = vm._props;
+      var propKeys = vm.$options._propKeys || [];
+      for (var i = 0; i < propKeys.length; i++) {
+        var key = propKeys[i];
+        props[key] = validateProp(key, vm.$options.props, propsData, vm);
+      }
+      observerState.shouldConvert = true;
+      if ("production" !== 'production') {}
+      // keep a copy of raw propsData
+      vm.$options.propsData = propsData;
+    }
+    // update listeners
+    if (listeners) {
+      var oldListeners = vm.$options._parentListeners;
+      vm.$options._parentListeners = listeners;
+      updateComponentListeners(vm, listeners, oldListeners);
+    }
+    // resolve slots + force update if has children
+    if (hasChildren) {
+      vm.$slots = resolveSlots(renderChildren, parentVnode.context);
+      vm.$forceUpdate();
+    }
+  }
+
+  function isInInactiveTree (vm) {
+    while (vm && (vm = vm.$parent)) {
+      if (vm._inactive) { return true }
+    }
+    return false
+  }
+
+  function activateChildComponent (vm, direct) {
+    if (direct) {
+      vm._directInactive = false;
+      if (isInInactiveTree(vm)) {
+        return
+      }
+    } else if (vm._directInactive) {
+      return
+    }
+    if (vm._inactive || vm._inactive === null) {
+      vm._inactive = false;
+      for (var i = 0; i < vm.$children.length; i++) {
+        activateChildComponent(vm.$children[i]);
+      }
+      callHook(vm, 'activated');
+    }
+  }
+
+  function deactivateChildComponent (vm, direct) {
+    if (direct) {
+      vm._directInactive = true;
+      if (isInInactiveTree(vm)) {
+        return
+      }
+    }
+    if (!vm._inactive) {
+      vm._inactive = true;
+      for (var i = 0; i < vm.$children.length; i++) {
+        deactivateChildComponent(vm.$children[i]);
+      }
+      callHook(vm, 'deactivated');
+    }
+  }
+
+  function callHook (vm, hook) {
+    var handlers = vm.$options[hook];
+    if (handlers) {
+      for (var i = 0, j = handlers.length; i < j; i++) {
+        try {
+          handlers[i].call(vm);
+        } catch (e) {
+          handleError(e, vm, (hook + " hook"));
+        }
+      }
+    }
+    if (vm._hasHookEvent) {
+      vm.$emit('hook:' + hook);
+    }
+  }
+
+  var queue = [];
+  var activatedChildren = [];
+  var has = {};
+  var waiting = false;
+  var flushing = false;
+  var index = 0;
+
+  /**
+   * Reset the scheduler's state.
+   */
+  function resetSchedulerState () {
+    index = queue.length = activatedChildren.length = 0;
+    has = {};
+    if ("production" !== 'production') {}
+    waiting = flushing = false;
+  }
+
+  /**
+   * Flush both queues and run the watchers.
+   */
+  function flushSchedulerQueue () {
+    flushing = true;
+    var watcher, id;
+
+    // Sort queue before flush.
+    // This ensures that:
+    // 1. Components are updated from parent to child. (because parent is always
+    //    created before the child)
+    // 2. A component's user watchers are run before its render watcher (because
+    //    user watchers are created before the render watcher)
+    // 3. If a component is destroyed during a parent component's watcher run,
+    //    its watchers can be skipped.
+    queue.sort(function (a, b) { return a.id - b.id; });
+
+    // do not cache length because more watchers might be pushed
+    // as we run existing watchers
+    for (index = 0; index < queue.length; index++) {
+      watcher = queue[index];
+      id = watcher.id;
+      has[id] = null;
+      watcher.run();
+      // in dev build, check and stop circular updates.
+      if ("production" !== 'production' && has[id] != null) {}
+    }
+
+    // keep copies of post queues before resetting state
+    var activatedQueue = activatedChildren.slice();
+    var updatedQueue = queue.slice();
+
+    resetSchedulerState();
+
+    // call component updated and activated hooks
+    callActivatedHooks(activatedQueue);
+    callUpdateHooks(updatedQueue);
+
+    // devtool hook
+    /* istanbul ignore if */
+    if (devtools && config.devtools) {
+      devtools.emit('flush');
+    }
+  }
+
+  function callUpdateHooks (queue) {
+    var i = queue.length;
+    while (i--) {
+      var watcher = queue[i];
+      var vm = watcher.vm;
+      if (vm._watcher === watcher && vm._isMounted) {
+        callHook(vm, 'updated');
+      }
+    }
+  }
+
+  /**
+   * Queue a kept-alive component that was activated during patch.
+   * The queue will be processed after the entire tree has been patched.
+   */
+  function queueActivatedComponent (vm) {
+    // setting _inactive to false here so that a render function can
+    // rely on checking whether it's in an inactive tree (e.g. router-view)
+    vm._inactive = false;
+    activatedChildren.push(vm);
+  }
+
+  function callActivatedHooks (queue) {
+    for (var i = 0; i < queue.length; i++) {
+      queue[i]._inactive = true;
+      activateChildComponent(queue[i], true /* true */);
+    }
+  }
+
+  /**
+   * Push a watcher into the watcher queue.
+   * Jobs with duplicate IDs will be skipped unless it's
+   * pushed when the queue is being flushed.
+   */
+  function queueWatcher (watcher) {
+    var id = watcher.id;
+    if (has[id] == null) {
+      has[id] = true;
+      if (!flushing) {
+        queue.push(watcher);
+      } else {
+        // if already flushing, splice the watcher based on its id
+        // if already past its id, it will be run next immediately.
+        var i = queue.length - 1;
+        while (i > index && queue[i].id > watcher.id) {
+          i--;
+        }
+        queue.splice(i + 1, 0, watcher);
+      }
+      // queue the flush
+      if (!waiting) {
+        waiting = true;
+        nextTick(flushSchedulerQueue);
+      }
+    }
+  }
+
+  /*  */
+
+  var uid$2 = 0;
+
+  /**
+   * A watcher parses an expression, collects dependencies,
+   * and fires callback when the expression value changes.
+   * This is used for both the $watch() api and directives.
+   */
+  var Watcher = function Watcher (
+    vm,
+    expOrFn,
+    cb,
+    options
+  ) {
+    this.vm = vm;
+    vm._watchers.push(this);
+    // options
+    if (options) {
+      this.deep = !!options.deep;
+      this.user = !!options.user;
+      this.lazy = !!options.lazy;
+      this.sync = !!options.sync;
+    } else {
+      this.deep = this.user = this.lazy = this.sync = false;
+    }
+    this.cb = cb;
+    this.id = ++uid$2; // uid for batching
+    this.active = true;
+    this.dirty = this.lazy; // for lazy watchers
+    this.deps = [];
+    this.newDeps = [];
+    this.depIds = new _Set();
+    this.newDepIds = new _Set();
+    this.expression = '';
+    // parse expression for getter
+    if (typeof expOrFn === 'function') {
+      this.getter = expOrFn;
+    } else {
+      this.getter = parsePath(expOrFn);
+      if (!this.getter) {
+        this.getter = function () {};
+        "production" !== 'production' && warn$1(
+          "Failed watching path: \"" + expOrFn + "\" " +
+          'Watcher only accepts simple dot-delimited paths. ' +
+          'For full control, use a function instead.',
+          vm
+        );
+      }
+    }
+    this.value = this.lazy
+      ? undefined
+      : this.get();
+  };
+
+  /**
+   * Evaluate the getter, and re-collect dependencies.
+   */
+  Watcher.prototype.get = function get () {
+    pushTarget(this);
+    var value;
+    var vm = this.vm;
+    if (this.user) {
+      try {
+        value = this.getter.call(vm, vm);
+      } catch (e) {
+        handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
+      }
+    } else {
+      value = this.getter.call(vm, vm);
+    }
+    // "touch" every property so they are all tracked as
+    // dependencies for deep watching
+    if (this.deep) {
+      traverse(value);
+    }
+    popTarget();
+    this.cleanupDeps();
+    return value
+  };
+
+  /**
+   * Add a dependency to this directive.
+   */
+  Watcher.prototype.addDep = function addDep (dep) {
+    var id = dep.id;
+    if (!this.newDepIds.has(id)) {
+      this.newDepIds.add(id);
+      this.newDeps.push(dep);
+      if (!this.depIds.has(id)) {
+        dep.addSub(this);
+      }
+    }
+  };
+
+  /**
+   * Clean up for dependency collection.
+   */
+  Watcher.prototype.cleanupDeps = function cleanupDeps () {
+      var this$1 = this;
+
+    var i = this.deps.length;
+    while (i--) {
+      var dep = this$1.deps[i];
+      if (!this$1.newDepIds.has(dep.id)) {
+        dep.removeSub(this$1);
+      }
+    }
+    var tmp = this.depIds;
+    this.depIds = this.newDepIds;
+    this.newDepIds = tmp;
+    this.newDepIds.clear();
+    tmp = this.deps;
+    this.deps = this.newDeps;
+    this.newDeps = tmp;
+    this.newDeps.length = 0;
+  };
+
+  /**
+   * Subscriber interface.
+   * Will be called when a dependency changes.
+   */
+  Watcher.prototype.update = function update () {
+    /* istanbul ignore else */
+    if (this.lazy) {
+      this.dirty = true;
+    } else if (this.sync) {
+      this.run();
+    } else {
+      queueWatcher(this);
+    }
+  };
+
+  /**
+   * Scheduler job interface.
+   * Will be called by the scheduler.
+   */
+  Watcher.prototype.run = function run () {
+    if (this.active) {
+      var value = this.get();
+      if (
+        value !== this.value ||
+        // Deep watchers and watchers on Object/Arrays should fire even
+        // when the value is the same, because the value may
+        // have mutated.
+        isObject(value) ||
+        this.deep
+      ) {
+        // set new value
+        var oldValue = this.value;
+        this.value = value;
+        if (this.user) {
+          try {
+            this.cb.call(this.vm, value, oldValue);
+          } catch (e) {
+            handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
+          }
+        } else {
+          this.cb.call(this.vm, value, oldValue);
+        }
+      }
+    }
+  };
+
+  /**
+   * Evaluate the value of the watcher.
+   * This only gets called for lazy watchers.
+   */
+  Watcher.prototype.evaluate = function evaluate () {
+    this.value = this.get();
+    this.dirty = false;
+  };
+
+  /**
+   * Depend on all deps collected by this watcher.
+   */
+  Watcher.prototype.depend = function depend () {
+      var this$1 = this;
+
+    var i = this.deps.length;
+    while (i--) {
+      this$1.deps[i].depend();
+    }
+  };
+
+  /**
+   * Remove self from all dependencies' subscriber list.
+   */
+  Watcher.prototype.teardown = function teardown () {
+      var this$1 = this;
+
+    if (this.active) {
+      // remove self from vm's watcher list
+      // this is a somewhat expensive operation so we skip it
+      // if the vm is being destroyed.
+      if (!this.vm._isBeingDestroyed) {
+        remove(this.vm._watchers, this);
+      }
+      var i = this.deps.length;
+      while (i--) {
+        this$1.deps[i].removeSub(this$1);
+      }
+      this.active = false;
+    }
+  };
+
+  /**
+   * Recursively traverse an object to evoke all converted
+   * getters, so that every nested property inside the object
+   * is collected as a "deep" dependency.
+   */
+  var seenObjects = new _Set();
+  function traverse (val) {
+    seenObjects.clear();
+    _traverse(val, seenObjects);
+  }
+
+  function _traverse (val, seen) {
+    var i, keys;
+    var isA = Array.isArray(val);
+    if ((!isA && !isObject(val)) || !Object.isExtensible(val)) {
+      return
+    }
+    if (val.__ob__) {
+      var depId = val.__ob__.dep.id;
+      if (seen.has(depId)) {
+        return
+      }
+      seen.add(depId);
+    }
+    if (isA) {
+      i = val.length;
+      while (i--) { _traverse(val[i], seen); }
+    } else {
+      keys = Object.keys(val);
+      i = keys.length;
+      while (i--) { _traverse(val[keys[i]], seen); }
+    }
+  }
+
+  /*  */
+
+  var sharedPropertyDefinition = {
+    enumerable: true,
+    configurable: true,
+    get: noop,
+    set: noop
+  };
+
+  function proxy (target, sourceKey, key) {
+    sharedPropertyDefinition.get = function proxyGetter () {
+      return this[sourceKey][key]
+    };
+    sharedPropertyDefinition.set = function proxySetter (val) {
+      this[sourceKey][key] = val;
+    };
+    Object.defineProperty(target, key, sharedPropertyDefinition);
+  }
+
+  function initState (vm) {
+    vm._watchers = [];
+    var opts = vm.$options;
+    if (opts.props) { initProps(vm, opts.props); }
+    if (opts.methods) { initMethods(vm, opts.methods); }
+    if (opts.data) {
+      initData(vm);
+    } else {
+      observe(vm._data = {}, true /* asRootData */);
+    }
+    if (opts.computed) { initComputed(vm, opts.computed); }
+    if (opts.watch) { initWatch(vm, opts.watch); }
+  }
+
+  function initProps (vm, propsOptions) {
+    var propsData = vm.$options.propsData || {};
+    var props = vm._props = {};
+    // cache prop keys so that future props updates can iterate using Array
+    // instead of dynamic object key enumeration.
+    var keys = vm.$options._propKeys = [];
+    var isRoot = !vm.$parent;
+    // root instance props should be converted
+    observerState.shouldConvert = isRoot;
+    var loop = function ( key ) {
+      keys.push(key);
+      var value = validateProp(key, propsOptions, propsData, vm);
+      /* istanbul ignore else */
+      if ("production" !== 'production') {} else {
+        defineReactive$$1(props, key, value);
+      }
+      // static props are already proxied on the component's prototype
+      // during Vue.extend(). We only need to proxy props defined at
+      // instantiation here.
+      if (!(key in vm)) {
+        proxy(vm, "_props", key);
+      }
+    };
+
+    for (var key in propsOptions) { loop( key ); }
+    observerState.shouldConvert = true;
+  }
+
+  function initData (vm) {
+    var data = vm.$options.data;
+    data = vm._data = typeof data === 'function'
+      ? getData(data, vm)
+      : data || {};
+    if (!isPlainObject(data)) {
+      data = {};
+      "production" !== 'production' && warn$1(
+        'data functions should return an object:\n' +
+        'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
+        vm
+      );
+    }
+    // proxy data on instance
+    var keys = Object.keys(data);
+    var props = vm.$options.props;
+    var i = keys.length;
+    while (i--) {
+      if (props && hasOwn(props, keys[i])) {
+        "production" !== 'production' && warn$1(
+          "The data property \"" + (keys[i]) + "\" is already declared as a prop. " +
+          "Use prop default value instead.",
+          vm
+        );
+      } else if (!isReserved(keys[i])) {
+        proxy(vm, "_data", keys[i]);
+      }
+    }
+    // observe data
+    observe(data, true /* asRootData */);
+  }
+
+  function getData (data, vm) {
+    try {
+      return data.call(vm)
+    } catch (e) {
+      handleError(e, vm, "data()");
+      return {}
+    }
+  }
+
+  var computedWatcherOptions = { lazy: true };
+
+  function initComputed (vm, computed) {
+    var watchers = vm._computedWatchers = Object.create(null);
+
+    for (var key in computed) {
+      var userDef = computed[key];
+      var getter = typeof userDef === 'function' ? userDef : userDef.get;
+      if ("production" !== 'production') {}
+      // create internal watcher for the computed property.
+      watchers[key] = new Watcher(vm, getter, noop, computedWatcherOptions);
+
+      // component-defined computed properties are already defined on the
+      // component prototype. We only need to define computed properties defined
+      // at instantiation here.
+      if (!(key in vm)) {
+        defineComputed(vm, key, userDef);
+      } else if ("production" !== 'production') {}
+    }
+  }
+
+  function defineComputed (target, key, userDef) {
+    if (typeof userDef === 'function') {
+      sharedPropertyDefinition.get = createComputedGetter(key);
+      sharedPropertyDefinition.set = noop;
+    } else {
+      sharedPropertyDefinition.get = userDef.get
+        ? userDef.cache !== false
+          ? createComputedGetter(key)
+          : userDef.get
+        : noop;
+      sharedPropertyDefinition.set = userDef.set
+        ? userDef.set
+        : noop;
+    }
+    Object.defineProperty(target, key, sharedPropertyDefinition);
+  }
+
+  function createComputedGetter (key) {
+    return function computedGetter () {
+      var watcher = this._computedWatchers && this._computedWatchers[key];
+      if (watcher) {
+        if (watcher.dirty) {
+          watcher.evaluate();
+        }
+        if (Dep.target) {
+          watcher.depend();
+        }
+        return watcher.value
+      }
+    }
+  }
+
+  function initMethods (vm, methods) {
+    var props = vm.$options.props;
+    for (var key in methods) {
+      vm[key] = methods[key] == null ? noop : bind(methods[key], vm);
+      if ("production" !== 'production') {}
+    }
+  }
+
+  function initWatch (vm, watch) {
+    for (var key in watch) {
+      var handler = watch[key];
+      if (Array.isArray(handler)) {
+        for (var i = 0; i < handler.length; i++) {
+          createWatcher(vm, key, handler[i]);
+        }
+      } else {
+        createWatcher(vm, key, handler);
+      }
+    }
+  }
+
+  function createWatcher (vm, key, handler) {
+    var options;
+    if (isPlainObject(handler)) {
+      options = handler;
+      handler = handler.handler;
+    }
+    if (typeof handler === 'string') {
+      handler = vm[handler];
+    }
+    vm.$watch(key, handler, options);
+  }
+
+  function stateMixin (Vue) {
+    // flow somehow has problems with directly declared definition object
+    // when using Object.defineProperty, so we have to procedurally build up
+    // the object here.
+    var dataDef = {};
+    dataDef.get = function () { return this._data };
+    var propsDef = {};
+    propsDef.get = function () { return this._props };
+    if ("production" !== 'production') {}
+    Object.defineProperty(Vue.prototype, '$data', dataDef);
+    Object.defineProperty(Vue.prototype, '$props', propsDef);
+
+    Vue.prototype.$set = set;
+    Vue.prototype.$delete = del;
+
+    Vue.prototype.$watch = function (
+      expOrFn,
+      cb,
+      options
+    ) {
+      var vm = this;
+      options = options || {};
+      options.user = true;
+      var watcher = new Watcher(vm, expOrFn, cb, options);
+      if (options.immediate) {
+        cb.call(vm, watcher.value);
+      }
+      return function unwatchFn () {
+        watcher.teardown();
+      }
+    };
+  }
+
+  /*  */
+
+  function initProvide (vm) {
+    var provide = vm.$options.provide;
+    if (provide) {
+      vm._provided = typeof provide === 'function'
+        ? provide.call(vm)
+        : provide;
+    }
+  }
+
+  function initInjections (vm) {
+    var result = resolveInject(vm.$options.inject, vm);
+    if (result) {
+      Object.keys(result).forEach(function (key) {
+        /* istanbul ignore else */
+        if ("production" !== 'production') {} else {
+          defineReactive$$1(vm, key, result[key]);
+        }
+      });
+    }
+  }
+
+  function resolveInject (inject, vm) {
+    if (inject) {
+      // inject is :any because flow is not smart enough to figure out cached
+      // isArray here
+      var isArray = Array.isArray(inject);
+      var result = Object.create(null);
+      var keys = isArray
+        ? inject
+        : hasSymbol
+          ? Reflect.ownKeys(inject)
+          : Object.keys(inject);
+
+      for (var i = 0; i < keys.length; i++) {
+        var key = keys[i];
+        var provideKey = isArray ? key : inject[key];
+        var source = vm;
+        while (source) {
+          if (source._provided && provideKey in source._provided) {
+            result[key] = source._provided[provideKey];
+            break
+          }
+          source = source.$parent;
+        }
+      }
+      return result
+    }
+  }
+
+  /*  */
+
+  function createFunctionalComponent (
+    Ctor,
+    propsData,
+    data,
+    context,
+    children
+  ) {
+    var props = {};
+    var propOptions = Ctor.options.props;
+    if (isDef(propOptions)) {
+      for (var key in propOptions) {
+        props[key] = validateProp(key, propOptions, propsData || {});
+      }
+    } else {
+      if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
+      if (isDef(data.props)) { mergeProps(props, data.props); }
+    }
+    // ensure the createElement function in functional components
+    // gets a unique context - this is necessary for correct named slot check
+    var _context = Object.create(context);
+    var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); };
+    var vnode = Ctor.options.render.call(null, h, {
+      data: data,
+      props: props,
+      children: children,
+      parent: context,
+      listeners: data.on || {},
+      injections: resolveInject(Ctor.options.inject, context),
+      slots: function () { return resolveSlots(children, context); }
+    });
+    if (vnode instanceof VNode) {
+      vnode.functionalContext = context;
+      vnode.functionalOptions = Ctor.options;
+      if (data.slot) {
+        (vnode.data || (vnode.data = {})).slot = data.slot;
+      }
+    }
+    return vnode
+  }
+
+  function mergeProps (to, from) {
+    for (var key in from) {
+      to[camelize(key)] = from[key];
+    }
+  }
+
+  /*  */
+
+  // hooks to be invoked on component VNodes during patch
+  var componentVNodeHooks = {
+    init: function init (
+      vnode,
+      hydrating,
+      parentElm,
+      refElm
+    ) {
+      if (!vnode.componentInstance || vnode.componentInstance._isDestroyed) {
+        var child = vnode.componentInstance = createComponentInstanceForVnode(
+          vnode,
+          activeInstance,
+          parentElm,
+          refElm
+        );
+        child.$mount(hydrating ? vnode.elm : undefined, hydrating);
+      } else if (vnode.data.keepAlive) {
+        // kept-alive components, treat as a patch
+        var mountedNode = vnode; // work around flow
+        componentVNodeHooks.prepatch(mountedNode, mountedNode);
+      }
+    },
+
+    prepatch: function prepatch (oldVnode, vnode) {
+      var options = vnode.componentOptions;
+      var child = vnode.componentInstance = oldVnode.componentInstance;
+      updateChildComponent(
+        child,
+        options.propsData, // updated props
+        options.listeners, // updated listeners
+        vnode, // new parent vnode
+        options.children // new children
+      );
+    },
+
+    insert: function insert (vnode) {
+      var context = vnode.context;
+      var componentInstance = vnode.componentInstance;
+      if (!componentInstance._isMounted) {
+        componentInstance._isMounted = true;
+        callHook(componentInstance, 'mounted');
+      }
+      if (vnode.data.keepAlive) {
+        if (context._isMounted) {
+          // vue-router#1212
+          // During updates, a kept-alive component's child components may
+          // change, so directly walking the tree here may call activated hooks
+          // on incorrect children. Instead we push them into a queue which will
+          // be processed after the whole patch process ended.
+          queueActivatedComponent(componentInstance);
+        } else {
+          activateChildComponent(componentInstance, true /* direct */);
+        }
+      }
+    },
+
+    destroy: function destroy (vnode) {
+      var componentInstance = vnode.componentInstance;
+      if (!componentInstance._isDestroyed) {
+        if (!vnode.data.keepAlive) {
+          componentInstance.$destroy();
+        } else {
+          deactivateChildComponent(componentInstance, true /* direct */);
+        }
+      }
+    }
+  };
+
+  var hooksToMerge = Object.keys(componentVNodeHooks);
+
+  function createComponent (
+    Ctor,
+    data,
+    context,
+    children,
+    tag
+  ) {
+    if (isUndef(Ctor)) {
+      return
+    }
+
+    var baseCtor = context.$options._base;
+
+    // plain options object: turn it into a constructor
+    if (isObject(Ctor)) {
+      Ctor = baseCtor.extend(Ctor);
+    }
+
+    // if at this stage it's not a constructor or an async component factory,
+    // reject.
+    if (typeof Ctor !== 'function') {
+      if ("production" !== 'production') {}
+      return
+    }
+
+    // async component
+    if (isUndef(Ctor.cid)) {
+      Ctor = resolveAsyncComponent(Ctor, baseCtor, context);
+      if (Ctor === undefined) {
+        // return nothing if this is indeed an async component
+        // wait for the callback to trigger parent update.
+        return
+      }
+    }
+
+    // resolve constructor options in case global mixins are applied after
+    // component constructor creation
+    resolveConstructorOptions(Ctor);
+
+    data = data || {};
+
+    // transform component v-model data into props & events
+    if (isDef(data.model)) {
+      transformModel(Ctor.options, data);
+    }
+
+    // extract props
+    var propsData = extractPropsFromVNodeData(data, Ctor, tag);
+
+    // functional component
+    if (isTrue(Ctor.options.functional)) {
+      return createFunctionalComponent(Ctor, propsData, data, context, children)
+    }
+
+    // extract listeners, since these needs to be treated as
+    // child component listeners instead of DOM listeners
+    var listeners = data.on;
+    // replace with listeners with .native modifier
+    data.on = data.nativeOn;
+
+    if (isTrue(Ctor.options.abstract)) {
+      // abstract components do not keep anything
+      // other than props & listeners
+      data = {};
+    }
+
+    // merge component management hooks onto the placeholder node
+    mergeHooks(data);
+
+    // return a placeholder vnode
+    var name = Ctor.options.name || tag;
+    var vnode = new VNode(
+      ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
+      data, undefined, undefined, undefined, context,
+      { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }
+    );
+    return vnode
+  }
+
+  function createComponentInstanceForVnode (
+    vnode, // we know it's MountedComponentVNode but flow doesn't
+    parent, // activeInstance in lifecycle state
+    parentElm,
+    refElm
+  ) {
+    var vnodeComponentOptions = vnode.componentOptions;
+    var options = {
+      _isComponent: true,
+      parent: parent,
+      propsData: vnodeComponentOptions.propsData,
+      _componentTag: vnodeComponentOptions.tag,
+      _parentVnode: vnode,
+      _parentListeners: vnodeComponentOptions.listeners,
+      _renderChildren: vnodeComponentOptions.children,
+      _parentElm: parentElm || null,
+      _refElm: refElm || null
+    };
+    // check inline-template render functions
+    var inlineTemplate = vnode.data.inlineTemplate;
+    if (isDef(inlineTemplate)) {
+      options.render = inlineTemplate.render;
+      options.staticRenderFns = inlineTemplate.staticRenderFns;
+    }
+    return new vnodeComponentOptions.Ctor(options)
+  }
+
+  function mergeHooks (data) {
+    if (!data.hook) {
+      data.hook = {};
+    }
+    for (var i = 0; i < hooksToMerge.length; i++) {
+      var key = hooksToMerge[i];
+      var fromParent = data.hook[key];
+      var ours = componentVNodeHooks[key];
+      data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
+    }
+  }
+
+  function mergeHook$1 (one, two) {
+    return function (a, b, c, d) {
+      one(a, b, c, d);
+      two(a, b, c, d);
+    }
+  }
+
+  // transform component v-model info (value and callback) into
+  // prop and event handler respectively.
+  function transformModel (options, data) {
+    var prop = (options.model && options.model.prop) || 'value';
+    var event = (options.model && options.model.event) || 'input';(data.props || (data.props = {}))[prop] = data.model.value;
+    var on = data.on || (data.on = {});
+    if (isDef(on[event])) {
+      on[event] = [data.model.callback].concat(on[event]);
+    } else {
+      on[event] = data.model.callback;
+    }
+  }
+
+  /*  */
+
+  var SIMPLE_NORMALIZE = 1;
+  var ALWAYS_NORMALIZE = 2;
+
+  // wrapper function for providing a more flexible interface
+  // without getting yelled at by flow
+  function createElement (
+    context,
+    tag,
+    data,
+    children,
+    normalizationType,
+    alwaysNormalize
+  ) {
+    if (Array.isArray(data) || isPrimitive(data)) {
+      normalizationType = children;
+      children = data;
+      data = undefined;
+    }
+    if (isTrue(alwaysNormalize)) {
+      normalizationType = ALWAYS_NORMALIZE;
+    }
+    return _createElement(context, tag, data, children, normalizationType)
+  }
+
+  function _createElement (
+    context,
+    tag,
+    data,
+    children,
+    normalizationType
+  ) {
+    if (isDef(data) && isDef((data).__ob__)) {
+      "production" !== 'production' && warn$1(
+        "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
+        'Always create fresh vnode data objects in each render!',
+        context
+      );
+      return createEmptyVNode()
+    }
+    if (!tag) {
+      // in case of component :is set to falsy value
+      return createEmptyVNode()
+    }
+    // support single function children as default scoped slot
+    if (Array.isArray(children) &&
+      typeof children[0] === 'function'
+    ) {
+      data = data || {};
+      data.scopedSlots = { default: children[0] };
+      children.length = 0;
+    }
+    if (normalizationType === ALWAYS_NORMALIZE) {
+      children = normalizeChildren(children);
+    } else if (normalizationType === SIMPLE_NORMALIZE) {
+      children = simpleNormalizeChildren(children);
+    }
+    var vnode, ns;
+    if (typeof tag === 'string') {
+      var Ctor;
+      ns = config.getTagNamespace(tag);
+      if (config.isReservedTag(tag)) {
+        // platform built-in elements
+        vnode = new VNode(
+          config.parsePlatformTagName(tag), data, children,
+          undefined, undefined, context
+        );
+      } else if (isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
+        // component
+        vnode = createComponent(Ctor, data, context, children, tag);
+      } else {
+        // unknown or unlisted namespaced elements
+        // check at runtime because it may get assigned a namespace when its
+        // parent normalizes children
+        vnode = new VNode(
+          tag, data, children,
+          undefined, undefined, context
+        );
+      }
+    } else {
+      // direct component options / constructor
+      vnode = createComponent(tag, data, context, children);
+    }
+    if (isDef(vnode)) {
+      if (ns) { applyNS(vnode, ns); }
+      return vnode
+    } else {
+      return createEmptyVNode()
+    }
+  }
+
+  function applyNS (vnode, ns) {
+    vnode.ns = ns;
+    if (vnode.tag === 'foreignObject') {
+      // use default namespace inside foreignObject
+      return
+    }
+    if (isDef(vnode.children)) {
+      for (var i = 0, l = vnode.children.length; i < l; i++) {
+        var child = vnode.children[i];
+        if (isDef(child.tag) && isUndef(child.ns)) {
+          applyNS(child, ns);
+        }
+      }
+    }
+  }
+
+  /*  */
+
+  /**
+   * Runtime helper for rendering v-for lists.
+   */
+  function renderList (
+    val,
+    render
+  ) {
+    var ret, i, l, keys, key;
+    if (Array.isArray(val) || typeof val === 'string') {
+      ret = new Array(val.length);
+      for (i = 0, l = val.length; i < l; i++) {
+        ret[i] = render(val[i], i);
+      }
+    } else if (typeof val === 'number') {
+      ret = new Array(val);
+      for (i = 0; i < val; i++) {
+        ret[i] = render(i + 1, i);
+      }
+    } else if (isObject(val)) {
+      keys = Object.keys(val);
+      ret = new Array(keys.length);
+      for (i = 0, l = keys.length; i < l; i++) {
+        key = keys[i];
+        ret[i] = render(val[key], key, i);
+      }
+    }
+    if (isDef(ret)) {
+      (ret)._isVList = true;
+    }
+    return ret
+  }
+
+  /*  */
+
+  /**
+   * Runtime helper for rendering <slot>
+   */
+  function renderSlot (
+    name,
+    fallback,
+    props,
+    bindObject
+  ) {
+    var scopedSlotFn = this.$scopedSlots[name];
+    if (scopedSlotFn) { // scoped slot
+      props = props || {};
+      if (bindObject) {
+        extend(props, bindObject);
+      }
+      return scopedSlotFn(props) || fallback
+    } else {
+      var slotNodes = this.$slots[name];
+      // warn duplicate slot usage
+      if (slotNodes && "production" !== 'production') {
+        slotNodes._rendered && warn$1(
+          "Duplicate presence of slot \"" + name + "\" found in the same render tree " +
+          "- this will likely cause render errors.",
+          this
+        );
+        slotNodes._rendered = true;
+      }
+      return slotNodes || fallback
+    }
+  }
+
+  /*  */
+
+  /**
+   * Runtime helper for resolving filters
+   */
+  function resolveFilter (id) {
+    return resolveAsset(this.$options, 'filters', id, true) || identity
+  }
+
+  /*  */
+
+  /**
+   * Runtime helper for checking keyCodes from config.
+   */
+  function checkKeyCodes (
+    eventKeyCode,
+    key,
+    builtInAlias
+  ) {
+    var keyCodes = config.keyCodes[key] || builtInAlias;
+    if (Array.isArray(keyCodes)) {
+      return keyCodes.indexOf(eventKeyCode) === -1
+    } else {
+      return keyCodes !== eventKeyCode
+    }
+  }
+
+  /*  */
+
+  /**
+   * Runtime helper for merging v-bind="object" into a VNode's data.
+   */
+  function bindObjectProps (
+    data,
+    tag,
+    value,
+    asProp
+  ) {
+    if (value) {
+      if (!isObject(value)) {
+        "production" !== 'production' && warn$1(
+          'v-bind without argument expects an Object or Array value',
+          this
+        );
+      } else {
+        if (Array.isArray(value)) {
+          value = toObject(value);
+        }
+        var hash;
+        for (var key in value) {
+          if (key === 'class' || key === 'style') {
+            hash = data;
+          } else {
+            var type = data.attrs && data.attrs.type;
+            hash = asProp || config.mustUseProp(tag, type, key)
+              ? data.domProps || (data.domProps = {})
+              : data.attrs || (data.attrs = {});
+          }
+          if (!(key in hash)) {
+            hash[key] = value[key];
+          }
+        }
+      }
+    }
+    return data
+  }
+
+  /*  */
+
+  /**
+   * Runtime helper for rendering static trees.
+   */
+  function renderStatic (
+    index,
+    isInFor
+  ) {
+    var tree = this._staticTrees[index];
+    // if has already-rendered static tree and not inside v-for,
+    // we can reuse the same tree by doing a shallow clone.
+    if (tree && !isInFor) {
+      return Array.isArray(tree)
+        ? cloneVNodes(tree)
+        : cloneVNode(tree)
+    }
+    // otherwise, render a fresh tree.
+    tree = this._staticTrees[index] =
+      this.$options.staticRenderFns[index].call(this._renderProxy);
+    markStatic(tree, ("__static__" + index), false);
+    return tree
+  }
+
+  /**
+   * Runtime helper for v-once.
+   * Effectively it means marking the node as static with a unique key.
+   */
+  function markOnce (
+    tree,
+    index,
+    key
+  ) {
+    markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
+    return tree
+  }
+
+  function markStatic (
+    tree,
+    key,
+    isOnce
+  ) {
+    if (Array.isArray(tree)) {
+      for (var i = 0; i < tree.length; i++) {
+        if (tree[i] && typeof tree[i] !== 'string') {
+          markStaticNode(tree[i], (key + "_" + i), isOnce);
+        }
+      }
+    } else {
+      markStaticNode(tree, key, isOnce);
+    }
+  }
+
+  function markStaticNode (node, key, isOnce) {
+    node.isStatic = true;
+    node.key = key;
+    node.isOnce = isOnce;
+  }
+
+  /*  */
+
+  function initRender (vm) {
+    vm._vnode = null; // the root of the child tree
+    vm._staticTrees = null;
+    var parentVnode = vm.$vnode = vm.$options._parentVnode; // the placeholder node in parent tree
+    var renderContext = parentVnode && parentVnode.context;
+    vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);
+    vm.$scopedSlots = emptyObject;
+    // bind the createElement fn to this instance
+    // so that we get proper render context inside it.
+    // args order: tag, data, children, normalizationType, alwaysNormalize
+    // internal version is used by render functions compiled from templates
+    vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
+    // normalization is always applied for the public version, used in
+    // user-written render functions.
+    vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
+  }
+
+  function renderMixin (Vue) {
+    Vue.prototype.$nextTick = function (fn) {
+      return nextTick(fn, this)
+    };
+
+    Vue.prototype._render = function () {
+      var vm = this;
+      var ref = vm.$options;
+      var render = ref.render;
+      var staticRenderFns = ref.staticRenderFns;
+      var _parentVnode = ref._parentVnode;
+
+      if (vm._isMounted) {
+        // clone slot nodes on re-renders
+        for (var key in vm.$slots) {
+          vm.$slots[key] = cloneVNodes(vm.$slots[key]);
+        }
+      }
+
+      vm.$scopedSlots = (_parentVnode && _parentVnode.data.scopedSlots) || emptyObject;
+
+      if (staticRenderFns && !vm._staticTrees) {
+        vm._staticTrees = [];
+      }
+      // set parent vnode. this allows render functions to have access
+      // to the data on the placeholder node.
+      vm.$vnode = _parentVnode;
+      // render self
+      var vnode;
+      try {
+        vnode = render.call(vm._renderProxy, vm.$createElement);
+      } catch (e) {
+        handleError(e, vm, "render function");
+        // return error render result,
+        // or previous vnode to prevent render error causing blank component
+        /* istanbul ignore else */
+        if ("production" !== 'production') {} else {
+          vnode = vm._vnode;
+        }
+      }
+      // return empty vnode in case the render function errored out
+      if (!(vnode instanceof VNode)) {
+        if ("production" !== 'production' && Array.isArray(vnode)) {}
+        vnode = createEmptyVNode();
+      }
+      // set parent
+      vnode.parent = _parentVnode;
+      return vnode
+    };
+
+    // internal render helpers.
+    // these are exposed on the instance prototype to reduce generated render
+    // code size.
+    Vue.prototype._o = markOnce;
+    Vue.prototype._n = toNumber;
+    Vue.prototype._s = toString;
+    Vue.prototype._l = renderList;
+    Vue.prototype._t = renderSlot;
+    Vue.prototype._q = looseEqual;
+    Vue.prototype._i = looseIndexOf;
+    Vue.prototype._m = renderStatic;
+    Vue.prototype._f = resolveFilter;
+    Vue.prototype._k = checkKeyCodes;
+    Vue.prototype._b = bindObjectProps;
+    Vue.prototype._v = createTextVNode;
+    Vue.prototype._e = createEmptyVNode;
+    Vue.prototype._u = resolveScopedSlots;
+  }
+
+  /*  */
+
+  var uid = 0;
+
+  function initMixin (Vue) {
+    Vue.prototype._init = function (options) {
+      var vm = this;
+      // a uid
+      vm._uid = uid++;
+
+      var startTag, endTag;
+      /* istanbul ignore if */
+      if ("production" !== 'production' && config.performance && mark) {}
+
+      // a flag to avoid this being observed
+      vm._isVue = true;
+      // merge options
+      if (options && options._isComponent) {
+        // optimize internal component instantiation
+        // since dynamic options merging is pretty slow, and none of the
+        // internal component options needs special treatment.
+        initInternalComponent(vm, options);
+      } else {
+        vm.$options = mergeOptions(
+          resolveConstructorOptions(vm.constructor),
+          options || {},
+          vm
+        );
+      }
+      /* istanbul ignore else */
+      if ("production" !== 'production') {} else {
+        vm._renderProxy = vm;
+      }
+      // expose real self
+      vm._self = vm;
+      initLifecycle(vm);
+      initEvents(vm);
+      initRender(vm);
+      callHook(vm, 'beforeCreate');
+      initInjections(vm); // resolve injections before data/props
+      initState(vm);
+      initProvide(vm); // resolve provide after data/props
+      callHook(vm, 'created');
+
+      /* istanbul ignore if */
+      if ("production" !== 'production' && config.performance && mark) {}
+
+      if (vm.$options.el) {
+        vm.$mount(vm.$options.el);
+      }
+    };
+  }
+
+  function initInternalComponent (vm, options) {
+    var opts = vm.$options = Object.create(vm.constructor.options);
+    // doing this because it's faster than dynamic enumeration.
+    opts.parent = options.parent;
+    opts.propsData = options.propsData;
+    opts._parentVnode = options._parentVnode;
+    opts._parentListeners = options._parentListeners;
+    opts._renderChildren = options._renderChildren;
+    opts._componentTag = options._componentTag;
+    opts._parentElm = options._parentElm;
+    opts._refElm = options._refElm;
+    if (options.render) {
+      opts.render = options.render;
+      opts.staticRenderFns = options.staticRenderFns;
+    }
+  }
+
+  function resolveConstructorOptions (Ctor) {
+    var options = Ctor.options;
+    if (Ctor.super) {
+      var superOptions = resolveConstructorOptions(Ctor.super);
+      var cachedSuperOptions = Ctor.superOptions;
+      if (superOptions !== cachedSuperOptions) {
+        // super option changed,
+        // need to resolve new options.
+        Ctor.superOptions = superOptions;
+        // check if there are any late-modified/attached options (#4976)
+        var modifiedOptions = resolveModifiedOptions(Ctor);
+        // update base extend options
+        if (modifiedOptions) {
+          extend(Ctor.extendOptions, modifiedOptions);
+        }
+        options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
+        if (options.name) {
+          options.components[options.name] = Ctor;
+        }
+      }
+    }
+    return options
+  }
+
+  function resolveModifiedOptions (Ctor) {
+    var modified;
+    var latest = Ctor.options;
+    var extended = Ctor.extendOptions;
+    var sealed = Ctor.sealedOptions;
+    for (var key in latest) {
+      if (latest[key] !== sealed[key]) {
+        if (!modified) { modified = {}; }
+        modified[key] = dedupe(latest[key], extended[key], sealed[key]);
+      }
+    }
+    return modified
+  }
+
+  function dedupe (latest, extended, sealed) {
+    // compare latest and sealed to ensure lifecycle hooks won't be duplicated
+    // between merges
+    if (Array.isArray(latest)) {
+      var res = [];
+      sealed = Array.isArray(sealed) ? sealed : [sealed];
+      extended = Array.isArray(extended) ? extended : [extended];
+      for (var i = 0; i < latest.length; i++) {
+        // push original options and not sealed options to exclude duplicated options
+        if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {
+          res.push(latest[i]);
+        }
+      }
+      return res
+    } else {
+      return latest
+    }
+  }
+
+  function Vue$3 (options) {
+    if ("production" !== 'production' &&
+      !(this instanceof Vue$3)
+    ) {}
+    this._init(options);
+  }
+
+  initMixin(Vue$3);
+  stateMixin(Vue$3);
+  eventsMixin(Vue$3);
+  lifecycleMixin(Vue$3);
+  renderMixin(Vue$3);
+
+  /*  */
+
+  function initUse (Vue) {
+    Vue.use = function (plugin) {
+      /* istanbul ignore if */
+      if (plugin.installed) {
+        return this
+      }
+      // additional parameters
+      var args = toArray(arguments, 1);
+      args.unshift(this);
+      if (typeof plugin.install === 'function') {
+        plugin.install.apply(plugin, args);
+      } else if (typeof plugin === 'function') {
+        plugin.apply(null, args);
+      }
+      plugin.installed = true;
+      return this
+    };
+  }
+
+  /*  */
+
+  function initMixin$1 (Vue) {
+    Vue.mixin = function (mixin) {
+      this.options = mergeOptions(this.options, mixin);
+      return this
+    };
+  }
+
+  /*  */
+
+  function initExtend (Vue) {
+    /**
+     * Each instance constructor, including Vue, has a unique
+     * cid. This enables us to create wrapped "child
+     * constructors" for prototypal inheritance and cache them.
+     */
+    Vue.cid = 0;
+    var cid = 1;
+
+    /**
+     * Class inheritance
+     */
+    Vue.extend = function (extendOptions) {
+      extendOptions = extendOptions || {};
+      var Super = this;
+      var SuperId = Super.cid;
+      var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
+      if (cachedCtors[SuperId]) {
+        return cachedCtors[SuperId]
+      }
+
+      var name = extendOptions.name || Super.options.name;
+      if ("production" !== 'production') {}
+
+      var Sub = function VueComponent (options) {
+        this._init(options);
+      };
+      Sub.prototype = Object.create(Super.prototype);
+      Sub.prototype.constructor = Sub;
+      Sub.cid = cid++;
+      Sub.options = mergeOptions(
+        Super.options,
+        extendOptions
+      );
+      Sub['super'] = Super;
+
+      // For props and computed properties, we define the proxy getters on
+      // the Vue instances at extension time, on the extended prototype. This
+      // avoids Object.defineProperty calls for each instance created.
+      if (Sub.options.props) {
+        initProps$1(Sub);
+      }
+      if (Sub.options.computed) {
+        initComputed$1(Sub);
+      }
+
+      // allow further extension/mixin/plugin usage
+      Sub.extend = Super.extend;
+      Sub.mixin = Super.mixin;
+      Sub.use = Super.use;
+
+      // create asset registers, so extended classes
+      // can have their private assets too.
+      ASSET_TYPES.forEach(function (type) {
+        Sub[type] = Super[type];
+      });
+      // enable recursive self-lookup
+      if (name) {
+        Sub.options.components[name] = Sub;
+      }
+
+      // keep a reference to the super options at extension time.
+      // later at instantiation we can check if Super's options have
+      // been updated.
+      Sub.superOptions = Super.options;
+      Sub.extendOptions = extendOptions;
+      Sub.sealedOptions = extend({}, Sub.options);
+
+      // cache constructor
+      cachedCtors[SuperId] = Sub;
+      return Sub
+    };
+  }
+
+  function initProps$1 (Comp) {
+    var props = Comp.options.props;
+    for (var key in props) {
+      proxy(Comp.prototype, "_props", key);
+    }
+  }
+
+  function initComputed$1 (Comp) {
+    var computed = Comp.options.computed;
+    for (var key in computed) {
+      defineComputed(Comp.prototype, key, computed[key]);
+    }
+  }
+
+  /*  */
+
+  function initAssetRegisters (Vue) {
+    /**
+     * Create asset registration methods.
+     */
+    ASSET_TYPES.forEach(function (type) {
+      Vue[type] = function (
+        id,
+        definition
+      ) {
+        if (!definition) {
+          return this.options[type + 's'][id]
+        } else {
+          /* istanbul ignore if */
+          if ("production" !== 'production') {}
+          if (type === 'component' && isPlainObject(definition)) {
+            definition.name = definition.name || id;
+            definition = this.options._base.extend(definition);
+          }
+          if (type === 'directive' && typeof definition === 'function') {
+            definition = { bind: definition, update: definition };
+          }
+          this.options[type + 's'][id] = definition;
+          return definition
+        }
+      };
+    });
+  }
+
+  /*  */
+
+  var patternTypes = [String, RegExp];
+
+  function getComponentName (opts) {
+    return opts && (opts.Ctor.options.name || opts.tag)
+  }
+
+  function matches (pattern, name) {
+    if (typeof pattern === 'string') {
+      return pattern.split(',').indexOf(name) > -1
+    } else if (isRegExp(pattern)) {
+      return pattern.test(name)
+    }
+    /* istanbul ignore next */
+    return false
+  }
+
+  function pruneCache (cache, current, filter) {
+    for (var key in cache) {
+      var cachedNode = cache[key];
+      if (cachedNode) {
+        var name = getComponentName(cachedNode.componentOptions);
+        if (name && !filter(name)) {
+          if (cachedNode !== current) {
+            pruneCacheEntry(cachedNode);
+          }
+          cache[key] = null;
+        }
+      }
+    }
+  }
+
+  function pruneCacheEntry (vnode) {
+    if (vnode) {
+      vnode.componentInstance.$destroy();
+    }
+  }
+
+  var KeepAlive = {
+    name: 'keep-alive',
+    abstract: true,
+
+    props: {
+      include: patternTypes,
+      exclude: patternTypes
+    },
+
+    created: function created () {
+      this.cache = Object.create(null);
+    },
+
+    destroyed: function destroyed () {
+      var this$1 = this;
+
+      for (var key in this$1.cache) {
+        pruneCacheEntry(this$1.cache[key]);
+      }
+    },
+
+    watch: {
+      include: function include (val) {
+        pruneCache(this.cache, this._vnode, function (name) { return matches(val, name); });
+      },
+      exclude: function exclude (val) {
+        pruneCache(this.cache, this._vnode, function (name) { return !matches(val, name); });
+      }
+    },
+
+    render: function render () {
+      var vnode = getFirstComponentChild(this.$slots.default);
+      var componentOptions = vnode && vnode.componentOptions;
+      if (componentOptions) {
+        // check pattern
+        var name = getComponentName(componentOptions);
+        if (name && (
+          (this.include && !matches(this.include, name)) ||
+          (this.exclude && matches(this.exclude, name))
+        )) {
+          return vnode
+        }
+        var key = vnode.key == null
+          // same constructor may get registered as different local components
+          // so cid alone is not enough (#3269)
+          ? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
+          : vnode.key;
+        if (this.cache[key]) {
+          vnode.componentInstance = this.cache[key].componentInstance;
+        } else {
+          this.cache[key] = vnode;
+        }
+        vnode.data.keepAlive = true;
+      }
+      return vnode
+    }
+  };
+
+  var builtInComponents = {
+    KeepAlive: KeepAlive
+  };
+
+  /*  */
+
+  function initGlobalAPI (Vue) {
+    // config
+    var configDef = {};
+    configDef.get = function () { return config; };
+    if ("production" !== 'production') {}
+    Object.defineProperty(Vue, 'config', configDef);
+
+    // exposed util methods.
+    // NOTE: these are not considered part of the public API - avoid relying on
+    // them unless you are aware of the risk.
+    Vue.util = {
+      warn: warn$1,
+      extend: extend,
+      mergeOptions: mergeOptions,
+      defineReactive: defineReactive$$1
+    };
+
+    Vue.set = set;
+    Vue.delete = del;
+    Vue.nextTick = nextTick;
+
+    Vue.options = Object.create(null);
+    ASSET_TYPES.forEach(function (type) {
+      Vue.options[type + 's'] = Object.create(null);
+    });
+
+    // this is used to identify the "base" constructor to extend all plain-object
+    // components with in Weex's multi-instance scenarios.
+    Vue.options._base = Vue;
+
+    extend(Vue.options.components, builtInComponents);
+
+    initUse(Vue);
+    initMixin$1(Vue);
+    initExtend(Vue);
+    initAssetRegisters(Vue);
+  }
+
+  initGlobalAPI(Vue$3);
+
+  Object.defineProperty(Vue$3.prototype, '$isServer', {
+    get: isServerRendering
+  });
+
+  Object.defineProperty(Vue$3.prototype, '$ssrContext', {
+    get: function get () {
+      /* istanbul ignore next */
+      return this.$vnode.ssrContext
+    }
+  });
+
+  Vue$3.version = '2.3.3';
+
+  /*  */
+
+  // these are reserved for web because they are directly compiled away
+  // during template compilation
+  var isReservedAttr = makeMap('style,class');
+
+  // attributes that should be using props for binding
+  var acceptValue = makeMap('input,textarea,option,select');
+  var mustUseProp = function (tag, type, attr) {
+    return (
+      (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
+      (attr === 'selected' && tag === 'option') ||
+      (attr === 'checked' && tag === 'input') ||
+      (attr === 'muted' && tag === 'video')
+    )
+  };
+
+  var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
+
+  var isBooleanAttr = makeMap(
+    'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
+    'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
+    'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
+    'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
+    'required,reversed,scoped,seamless,selected,sortable,translate,' +
+    'truespeed,typemustmatch,visible'
+  );
+
+  var xlinkNS = 'http://www.w3.org/1999/xlink';
+
+  var isXlink = function (name) {
+    return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
+  };
+
+  var getXlinkProp = function (name) {
+    return isXlink(name) ? name.slice(6, name.length) : ''
+  };
+
+  var isFalsyAttrValue = function (val) {
+    return val == null || val === false
+  };
+
+  /*  */
+
+  function genClassForVnode (vnode) {
+    var data = vnode.data;
+    var parentNode = vnode;
+    var childNode = vnode;
+    while (isDef(childNode.componentInstance)) {
+      childNode = childNode.componentInstance._vnode;
+      if (childNode.data) {
+        data = mergeClassData(childNode.data, data);
+      }
+    }
+    while (isDef(parentNode = parentNode.parent)) {
+      if (parentNode.data) {
+        data = mergeClassData(data, parentNode.data);
+      }
+    }
+    return genClassFromData(data)
+  }
+
+  function mergeClassData (child, parent) {
+    return {
+      staticClass: concat(child.staticClass, parent.staticClass),
+      class: isDef(child.class)
+        ? [child.class, parent.class]
+        : parent.class
+    }
+  }
+
+  function genClassFromData (data) {
+    var dynamicClass = data.class;
+    var staticClass = data.staticClass;
+    if (isDef(staticClass) || isDef(dynamicClass)) {
+      return concat(staticClass, stringifyClass(dynamicClass))
+    }
+    /* istanbul ignore next */
+    return ''
+  }
+
+  function concat (a, b) {
+    return a ? b ? (a + ' ' + b) : a : (b || '')
+  }
+
+  function stringifyClass (value) {
+    if (isUndef(value)) {
+      return ''
+    }
+    if (typeof value === 'string') {
+      return value
+    }
+    var res = '';
+    if (Array.isArray(value)) {
+      var stringified;
+      for (var i = 0, l = value.length; i < l; i++) {
+        if (isDef(value[i])) {
+          if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
+            res += stringified + ' ';
+          }
+        }
+      }
+      return res.slice(0, -1)
+    }
+    if (isObject(value)) {
+      for (var key in value) {
+        if (value[key]) { res += key + ' '; }
+      }
+      return res.slice(0, -1)
+    }
+    /* istanbul ignore next */
+    return res
+  }
+
+  /*  */
+
+  var namespaceMap = {
+    svg: 'http://www.w3.org/2000/svg',
+    math: 'http://www.w3.org/1998/Math/MathML'
+  };
+
+  var isHTMLTag = makeMap(
+    'html,body,base,head,link,meta,style,title,' +
+    'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
+    'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' +
+    'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
+    's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
+    'embed,object,param,source,canvas,script,noscript,del,ins,' +
+    'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
+    'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
+    'output,progress,select,textarea,' +
+    'details,dialog,menu,menuitem,summary,' +
+    'content,element,shadow,template'
+  );
+
+  // this map is intentionally selective, only covering SVG elements that may
+  // contain child elements.
+  var isSVG = makeMap(
+    'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
+    'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
+    'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
+    true
+  );
+
+
+
+  var isReservedTag = function (tag) {
+    return isHTMLTag(tag) || isSVG(tag)
+  };
+
+  function getTagNamespace (tag) {
+    if (isSVG(tag)) {
+      return 'svg'
+    }
+    // basic support for MathML
+    // note it doesn't support other MathML elements being component roots
+    if (tag === 'math') {
+      return 'math'
+    }
+  }
+
+  var unknownElementCache = Object.create(null);
+  function isUnknownElement (tag) {
+    /* istanbul ignore if */
+    if (!inBrowser) {
+      return true
+    }
+    if (isReservedTag(tag)) {
+      return false
+    }
+    tag = tag.toLowerCase();
+    /* istanbul ignore if */
+    if (unknownElementCache[tag] != null) {
+      return unknownElementCache[tag]
+    }
+    var el = document.createElement(tag);
+    if (tag.indexOf('-') > -1) {
+      // http://stackoverflow.com/a/28210364/1070244
+      return (unknownElementCache[tag] = (
+        el.constructor === window.HTMLUnknownElement ||
+        el.constructor === window.HTMLElement
+      ))
+    } else {
+      return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
+    }
+  }
+
+  /*  */
+
+  /**
+   * Query an element selector if it's not an element already.
+   */
+  function query (el) {
+    if (typeof el === 'string') {
+      var selected = document.querySelector(el);
+      if (!selected) {
+        "production" !== 'production' && warn$1(
+          'Cannot find element: ' + el
+        );
+        return document.createElement('div')
+      }
+      return selected
+    } else {
+      return el
+    }
+  }
+
+  /*  */
+
+  function createElement$1 (tagName, vnode) {
+    var elm = document.createElement(tagName);
+    if (tagName !== 'select') {
+      return elm
+    }
+    // false or null will remove the attribute but undefined will not
+    if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
+      elm.setAttribute('multiple', 'multiple');
+    }
+    return elm
+  }
+
+  function createElementNS (namespace, tagName) {
+    return document.createElementNS(namespaceMap[namespace], tagName)
+  }
+
+  function createTextNode (text) {
+    return document.createTextNode(text)
+  }
+
+  function createComment (text) {
+    return document.createComment(text)
+  }
+
+  function insertBefore (parentNode, newNode, referenceNode) {
+    parentNode.insertBefore(newNode, referenceNode);
+  }
+
+  function removeChild (node, child) {
+    node.removeChild(child);
+  }
+
+  function appendChild (node, child) {
+    node.appendChild(child);
+  }
+
+  function parentNode (node) {
+    return node.parentNode
+  }
+
+  function nextSibling (node) {
+    return node.nextSibling
+  }
+
+  function tagName (node) {
+    return node.tagName
+  }
+
+  function setTextContent (node, text) {
+    node.textContent = text;
+  }
+
+  function setAttribute (node, key, val) {
+    node.setAttribute(key, val);
+  }
+
+
+  var nodeOps = Object.freeze({
+  	createElement: createElement$1,
+  	createElementNS: createElementNS,
+  	createTextNode: createTextNode,
+  	createComment: createComment,
+  	insertBefore: insertBefore,
+  	removeChild: removeChild,
+  	appendChild: appendChild,
+  	parentNode: parentNode,
+  	nextSibling: nextSibling,
+  	tagName: tagName,
+  	setTextContent: setTextContent,
+  	setAttribute: setAttribute
+  });
+
+  /*  */
+
+  var ref = {
+    create: function create (_, vnode) {
+      registerRef(vnode);
+    },
+    update: function update (oldVnode, vnode) {
+      if (oldVnode.data.ref !== vnode.data.ref) {
+        registerRef(oldVnode, true);
+        registerRef(vnode);
+      }
+    },
+    destroy: function destroy (vnode) {
+      registerRef(vnode, true);
+    }
+  };
+
+  function registerRef (vnode, isRemoval) {
+    var key = vnode.data.ref;
+    if (!key) { return }
+
+    var vm = vnode.context;
+    var ref = vnode.componentInstance || vnode.elm;
+    var refs = vm.$refs;
+    if (isRemoval) {
+      if (Array.isArray(refs[key])) {
+        remove(refs[key], ref);
+      } else if (refs[key] === ref) {
+        refs[key] = undefined;
+      }
+    } else {
+      if (vnode.data.refInFor) {
+        if (Array.isArray(refs[key]) && refs[key].indexOf(ref) < 0) {
+          refs[key].push(ref);
+        } else {
+          refs[key] = [ref];
+        }
+      } else {
+        refs[key] = ref;
+      }
+    }
+  }
+
+  /**
+   * Virtual DOM patching algorithm based on Snabbdom by
+   * Simon Friis Vindum (@paldepind)
+   * Licensed under the MIT License
+   * https://github.com/paldepind/snabbdom/blob/master/LICENSE
+   *
+   * modified by Evan You (@yyx990803)
+   *
+
+  /*
+   * Not type-checking this because this file is perf-critical and the cost
+   * of making flow understand it is not worth it.
+   */
+
+  var emptyNode = new VNode('', {}, []);
+
+  var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
+
+  function sameVnode (a, b) {
+    return (
+      a.key === b.key &&
+      a.tag === b.tag &&
+      a.isComment === b.isComment &&
+      isDef(a.data) === isDef(b.data) &&
+      sameInputType(a, b)
+    )
+  }
+
+  // Some browsers do not support dynamically changing type for <input>
+  // so they need to be treated as different nodes
+  function sameInputType (a, b) {
+    if (a.tag !== 'input') { return true }
+    var i;
+    var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
+    var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
+    return typeA === typeB
+  }
+
+  function createKeyToOldIdx (children, beginIdx, endIdx) {
+    var i, key;
+    var map = {};
+    for (i = beginIdx; i <= endIdx; ++i) {
+      key = children[i].key;
+      if (isDef(key)) { map[key] = i; }
+    }
+    return map
+  }
+
+  function createPatchFunction (backend) {
+    var i, j;
+    var cbs = {};
+
+    var modules = backend.modules;
+    var nodeOps = backend.nodeOps;
+
+    for (i = 0; i < hooks.length; ++i) {
+      cbs[hooks[i]] = [];
+      for (j = 0; j < modules.length; ++j) {
+        if (isDef(modules[j][hooks[i]])) {
+          cbs[hooks[i]].push(modules[j][hooks[i]]);
+        }
+      }
+    }
+
+    function emptyNodeAt (elm) {
+      return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
+    }
+
+    function createRmCb (childElm, listeners) {
+      function remove$$1 () {
+        if (--remove$$1.listeners === 0) {
+          removeNode(childElm);
+        }
+      }
+      remove$$1.listeners = listeners;
+      return remove$$1
+    }
+
+    function removeNode (el) {
+      var parent = nodeOps.parentNode(el);
+      // element may have already been removed due to v-html / v-text
+      if (isDef(parent)) {
+        nodeOps.removeChild(parent, el);
+      }
+    }
+
+    var inPre = 0;
+    function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) {
+      vnode.isRootInsert = !nested; // for transition enter check
+      if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
+        return
+      }
+
+      var data = vnode.data;
+      var children = vnode.children;
+      var tag = vnode.tag;
+      if (isDef(tag)) {
+        if ("production" !== 'production') {}
+        vnode.elm = vnode.ns
+          ? nodeOps.createElementNS(vnode.ns, tag)
+          : nodeOps.createElement(tag, vnode);
+        setScope(vnode);
+
+        /* istanbul ignore if */
+        {
+          createChildren(vnode, children, insertedVnodeQueue);
+          if (isDef(data)) {
+            invokeCreateHooks(vnode, insertedVnodeQueue);
+          }
+          insert(parentElm, vnode.elm, refElm);
+        }
+
+        if ("production" !== 'production' && data && data.pre) {}
+      } else if (isTrue(vnode.isComment)) {
+        vnode.elm = nodeOps.createComment(vnode.text);
+        insert(parentElm, vnode.elm, refElm);
+      } else {
+        vnode.elm = nodeOps.createTextNode(vnode.text);
+        insert(parentElm, vnode.elm, refElm);
+      }
+    }
+
+    function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
+      var i = vnode.data;
+      if (isDef(i)) {
+        var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
+        if (isDef(i = i.hook) && isDef(i = i.init)) {
+          i(vnode, false /* hydrating */, parentElm, refElm);
+        }
+        // after calling the init hook, if the vnode is a child component
+        // it should've created a child instance and mounted it. the child
+        // component also has set the placeholder vnode's elm.
+        // in that case we can just return the element and be done.
+        if (isDef(vnode.componentInstance)) {
+          initComponent(vnode, insertedVnodeQueue);
+          if (isTrue(isReactivated)) {
+            reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
+          }
+          return true
+        }
+      }
+    }
+
+    function initComponent (vnode, insertedVnodeQueue) {
+      if (isDef(vnode.data.pendingInsert)) {
+        insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
+      }
+      vnode.elm = vnode.componentInstance.$el;
+      if (isPatchable(vnode)) {
+        invokeCreateHooks(vnode, insertedVnodeQueue);
+        setScope(vnode);
+      } else {
+        // empty component root.
+        // skip all element-related modules except for ref (#3455)
+        registerRef(vnode);
+        // make sure to invoke the insert hook
+        insertedVnodeQueue.push(vnode);
+      }
+    }
+
+    function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
+      var i;
+      // hack for #4339: a reactivated component with inner transition
+      // does not trigger because the inner node's created hooks are not called
+      // again. It's not ideal to involve module-specific logic in here but
+      // there doesn't seem to be a better way to do it.
+      var innerNode = vnode;
+      while (innerNode.componentInstance) {
+        innerNode = innerNode.componentInstance._vnode;
+        if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
+          for (i = 0; i < cbs.activate.length; ++i) {
+            cbs.activate[i](emptyNode, innerNode);
+          }
+          insertedVnodeQueue.push(innerNode);
+          break
+        }
+      }
+      // unlike a newly created component,
+      // a reactivated keep-alive component doesn't insert itself
+      insert(parentElm, vnode.elm, refElm);
+    }
+
+    function insert (parent, elm, ref) {
+      if (isDef(parent)) {
+        if (isDef(ref)) {
+          if (ref.parentNode === parent) {
+            nodeOps.insertBefore(parent, elm, ref);
+          }
+        } else {
+          nodeOps.appendChild(parent, elm);
+        }
+      }
+    }
+
+    function createChildren (vnode, children, insertedVnodeQueue) {
+      if (Array.isArray(children)) {
+        for (var i = 0; i < children.length; ++i) {
+          createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);
+        }
+      } else if (isPrimitive(vnode.text)) {
+        nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text));
+      }
+    }
+
+    function isPatchable (vnode) {
+      while (vnode.componentInstance) {
+        vnode = vnode.componentInstance._vnode;
+      }
+      return isDef(vnode.tag)
+    }
+
+    function invokeCreateHooks (vnode, insertedVnodeQueue) {
+      for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
+        cbs.create[i$1](emptyNode, vnode);
+      }
+      i = vnode.data.hook; // Reuse variable
+      if (isDef(i)) {
+        if (isDef(i.create)) { i.create(emptyNode, vnode); }
+        if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
+      }
+    }
+
+    // set scope id attribute for scoped CSS.
+    // this is implemented as a special case to avoid the overhead
+    // of going through the normal attribute patching process.
+    function setScope (vnode) {
+      var i;
+      var ancestor = vnode;
+      while (ancestor) {
+        if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
+          nodeOps.setAttribute(vnode.elm, i, '');
+        }
+        ancestor = ancestor.parent;
+      }
+      // for slot content they should also get the scopeId from the host instance.
+      if (isDef(i = activeInstance) &&
+        i !== vnode.context &&
+        isDef(i = i.$options._scopeId)
+      ) {
+        nodeOps.setAttribute(vnode.elm, i, '');
+      }
+    }
+
+    function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
+      for (; startIdx <= endIdx; ++startIdx) {
+        createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);
+      }
+    }
+
+    function invokeDestroyHook (vnode) {
+      var i, j;
+      var data = vnode.data;
+      if (isDef(data)) {
+        if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
+        for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
+      }
+      if (isDef(i = vnode.children)) {
+        for (j = 0; j < vnode.children.length; ++j) {
+          invokeDestroyHook(vnode.children[j]);
+        }
+      }
+    }
+
+    function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
+      for (; startIdx <= endIdx; ++startIdx) {
+        var ch = vnodes[startIdx];
+        if (isDef(ch)) {
+          if (isDef(ch.tag)) {
+            removeAndInvokeRemoveHook(ch);
+            invokeDestroyHook(ch);
+          } else { // Text node
+            removeNode(ch.elm);
+          }
+        }
+      }
+    }
+
+    function removeAndInvokeRemoveHook (vnode, rm) {
+      if (isDef(rm) || isDef(vnode.data)) {
+        var i;
+        var listeners = cbs.remove.length + 1;
+        if (isDef(rm)) {
+          // we have a recursively passed down rm callback
+          // increase the listeners count
+          rm.listeners += listeners;
+        } else {
+          // directly removing
+          rm = createRmCb(vnode.elm, listeners);
+        }
+        // recursively invoke hooks on child component root node
+        if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
+          removeAndInvokeRemoveHook(i, rm);
+        }
+        for (i = 0; i < cbs.remove.length; ++i) {
+          cbs.remove[i](vnode, rm);
+        }
+        if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
+          i(vnode, rm);
+        } else {
+          rm();
+        }
+      } else {
+        removeNode(vnode.elm);
+      }
+    }
+
+    function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
+      var oldStartIdx = 0;
+      var newStartIdx = 0;
+      var oldEndIdx = oldCh.length - 1;
+      var oldStartVnode = oldCh[0];
+      var oldEndVnode = oldCh[oldEndIdx];
+      var newEndIdx = newCh.length - 1;
+      var newStartVnode = newCh[0];
+      var newEndVnode = newCh[newEndIdx];
+      var oldKeyToIdx, idxInOld, elmToMove, refElm;
+
+      // removeOnly is a special flag used only by <transition-group>
+      // to ensure removed elements stay in correct relative positions
+      // during leaving transitions
+      var canMove = !removeOnly;
+
+      while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
+        if (isUndef(oldStartVnode)) {
+          oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
+        } else if (isUndef(oldEndVnode)) {
+          oldEndVnode = oldCh[--oldEndIdx];
+        } else if (sameVnode(oldStartVnode, newStartVnode)) {
+          patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
+          oldStartVnode = oldCh[++oldStartIdx];
+          newStartVnode = newCh[++newStartIdx];
+        } else if (sameVnode(oldEndVnode, newEndVnode)) {
+          patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
+          oldEndVnode = oldCh[--oldEndIdx];
+          newEndVnode = newCh[--newEndIdx];
+        } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
+          patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
+          canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
+          oldStartVnode = oldCh[++oldStartIdx];
+          newEndVnode = newCh[--newEndIdx];
+        } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
+          patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
+          canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
+          oldEndVnode = oldCh[--oldEndIdx];
+          newStartVnode = newCh[++newStartIdx];
+        } else {
+          if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
+          idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null;
+          if (isUndef(idxInOld)) { // New element
+            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
+            newStartVnode = newCh[++newStartIdx];
+          } else {
+            elmToMove = oldCh[idxInOld];
+            /* istanbul ignore if */
+            if ("production" !== 'production' && !elmToMove) {}
+            if (sameVnode(elmToMove, newStartVnode)) {
+              patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
+              oldCh[idxInOld] = undefined;
+              canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm);
+              newStartVnode = newCh[++newStartIdx];
+            } else {
+              // same key but different element. treat as new element
+              createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
+              newStartVnode = newCh[++newStartIdx];
+            }
+          }
+        }
+      }
+      if (oldStartIdx > oldEndIdx) {
+        refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
+        addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
+      } else if (newStartIdx > newEndIdx) {
+        removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
+      }
+    }
+
+    function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {
+      if (oldVnode === vnode) {
+        return
+      }
+      // reuse element for static trees.
+      // note we only do this if the vnode is cloned -
+      // if the new node is not cloned it means the render functions have been
+      // reset by the hot-reload-api and we need to do a proper re-render.
+      if (isTrue(vnode.isStatic) &&
+        isTrue(oldVnode.isStatic) &&
+        vnode.key === oldVnode.key &&
+        (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
+      ) {
+        vnode.elm = oldVnode.elm;
+        vnode.componentInstance = oldVnode.componentInstance;
+        return
+      }
+      var i;
+      var data = vnode.data;
+      if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
+        i(oldVnode, vnode);
+      }
+      var elm = vnode.elm = oldVnode.elm;
+      var oldCh = oldVnode.children;
+      var ch = vnode.children;
+      if (isDef(data) && isPatchable(vnode)) {
+        for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
+        if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
+      }
+      if (isUndef(vnode.text)) {
+        if (isDef(oldCh) && isDef(ch)) {
+          if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
+        } else if (isDef(ch)) {
+          if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
+          addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
+        } else if (isDef(oldCh)) {
+          removeVnodes(elm, oldCh, 0, oldCh.length - 1);
+        } else if (isDef(oldVnode.text)) {
+          nodeOps.setTextContent(elm, '');
+        }
+      } else if (oldVnode.text !== vnode.text) {
+        nodeOps.setTextContent(elm, vnode.text);
+      }
+      if (isDef(data)) {
+        if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
+      }
+    }
+
+    function invokeInsertHook (vnode, queue, initial) {
+      // delay insert hooks for component root nodes, invoke them after the
+      // element is really inserted
+      if (isTrue(initial) && isDef(vnode.parent)) {
+        vnode.parent.data.pendingInsert = queue;
+      } else {
+        for (var i = 0; i < queue.length; ++i) {
+          queue[i].data.hook.insert(queue[i]);
+        }
+      }
+    }
+
+    var bailed = false;
+    // list of modules that can skip create hook during hydration because they
+    // are already rendered on the client or has no need for initialization
+    var isRenderedModule = makeMap('attrs,style,class,staticClass,staticStyle,key');
+
+    // Note: this is a browser-only function so we can assume elms are DOM nodes.
+    function hydrate (elm, vnode, insertedVnodeQueue) {
+      if ("production" !== 'production') {}
+      vnode.elm = elm;
+      var tag = vnode.tag;
+      var data = vnode.data;
+      var children = vnode.children;
+      if (isDef(data)) {
+        if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
+        if (isDef(i = vnode.componentInstance)) {
+          // child component. it should have hydrated its own tree.
+          initComponent(vnode, insertedVnodeQueue);
+          return true
+        }
+      }
+      if (isDef(tag)) {
+        if (isDef(children)) {
+          // empty element, allow client to pick up and populate children
+          if (!elm.hasChildNodes()) {
+            createChildren(vnode, children, insertedVnodeQueue);
+          } else {
+            var childrenMatch = true;
+            var childNode = elm.firstChild;
+            for (var i$1 = 0; i$1 < children.length; i$1++) {
+              if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue)) {
+                childrenMatch = false;
+                break
+              }
+              childNode = childNode.nextSibling;
+            }
+            // if childNode is not null, it means the actual childNodes list is
+            // longer than the virtual children list.
+            if (!childrenMatch || childNode) {
+              if ("production" !== 'production' &&
+                typeof console !== 'undefined' &&
+                !bailed
+              ) {}
+              return false
+            }
+          }
+        }
+        if (isDef(data)) {
+          for (var key in data) {
+            if (!isRenderedModule(key)) {
+              invokeCreateHooks(vnode, insertedVnodeQueue);
+              break
+            }
+          }
+        }
+      } else if (elm.data !== vnode.text) {
+        elm.data = vnode.text;
+      }
+      return true
+    }
+
+    function assertNodeMatch (node, vnode) {
+      if (isDef(vnode.tag)) {
+        return (
+          vnode.tag.indexOf('vue-component') === 0 ||
+          vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
+        )
+      } else {
+        return node.nodeType === (vnode.isComment ? 8 : 3)
+      }
+    }
+
+    return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {
+      if (isUndef(vnode)) {
+        if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
+        return
+      }
+
+      var isInitialPatch = false;
+      var insertedVnodeQueue = [];
+
+      if (isUndef(oldVnode)) {
+        // empty mount (likely as component), create new root element
+        isInitialPatch = true;
+        createElm(vnode, insertedVnodeQueue, parentElm, refElm);
+      } else {
+        var isRealElement = isDef(oldVnode.nodeType);
+        if (!isRealElement && sameVnode(oldVnode, vnode)) {
+          // patch existing root node
+          patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);
+        } else {
+          if (isRealElement) {
+            // mounting to a real element
+            // check if this is server-rendered content and if we can perform
+            // a successful hydration.
+            if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
+              oldVnode.removeAttribute(SSR_ATTR);
+              hydrating = true;
+            }
+            if (isTrue(hydrating)) {
+              if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
+                invokeInsertHook(vnode, insertedVnodeQueue, true);
+                return oldVnode
+              } else if ("production" !== 'production') {}
+            }
+            // either not server-rendered, or hydration failed.
+            // create an empty node and replace it
+            oldVnode = emptyNodeAt(oldVnode);
+          }
+          // replacing existing element
+          var oldElm = oldVnode.elm;
+          var parentElm$1 = nodeOps.parentNode(oldElm);
+          createElm(
+            vnode,
+            insertedVnodeQueue,
+            // extremely rare edge case: do not insert if old element is in a
+            // leaving transition. Only happens when combining transition +
+            // keep-alive + HOCs. (#4590)
+            oldElm._leaveCb ? null : parentElm$1,
+            nodeOps.nextSibling(oldElm)
+          );
+
+          if (isDef(vnode.parent)) {
+            // component root element replaced.
+            // update parent placeholder node element, recursively
+            var ancestor = vnode.parent;
+            while (ancestor) {
+              ancestor.elm = vnode.elm;
+              ancestor = ancestor.parent;
+            }
+            if (isPatchable(vnode)) {
+              for (var i = 0; i < cbs.create.length; ++i) {
+                cbs.create[i](emptyNode, vnode.parent);
+              }
+            }
+          }
+
+          if (isDef(parentElm$1)) {
+            removeVnodes(parentElm$1, [oldVnode], 0, 0);
+          } else if (isDef(oldVnode.tag)) {
+            invokeDestroyHook(oldVnode);
+          }
+        }
+      }
+
+      invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
+      return vnode.elm
+    }
+  }
+
+  /*  */
+
+  var directives = {
+    create: updateDirectives,
+    update: updateDirectives,
+    destroy: function unbindDirectives (vnode) {
+      updateDirectives(vnode, emptyNode);
+    }
+  };
+
+  function updateDirectives (oldVnode, vnode) {
+    if (oldVnode.data.directives || vnode.data.directives) {
+      _update(oldVnode, vnode);
+    }
+  }
+
+  function _update (oldVnode, vnode) {
+    var isCreate = oldVnode === emptyNode;
+    var isDestroy = vnode === emptyNode;
+    var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
+    var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
+
+    var dirsWithInsert = [];
+    var dirsWithPostpatch = [];
+
+    var key, oldDir, dir;
+    for (key in newDirs) {
+      oldDir = oldDirs[key];
+      dir = newDirs[key];
+      if (!oldDir) {
+        // new directive, bind
+        callHook$1(dir, 'bind', vnode, oldVnode);
+        if (dir.def && dir.def.inserted) {
+          dirsWithInsert.push(dir);
+        }
+      } else {
+        // existing directive, update
+        dir.oldValue = oldDir.value;
+        callHook$1(dir, 'update', vnode, oldVnode);
+        if (dir.def && dir.def.componentUpdated) {
+          dirsWithPostpatch.push(dir);
+        }
+      }
+    }
+
+    if (dirsWithInsert.length) {
+      var callInsert = function () {
+        for (var i = 0; i < dirsWithInsert.length; i++) {
+          callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
+        }
+      };
+      if (isCreate) {
+        mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert);
+      } else {
+        callInsert();
+      }
+    }
+
+    if (dirsWithPostpatch.length) {
+      mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {
+        for (var i = 0; i < dirsWithPostpatch.length; i++) {
+          callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
+        }
+      });
+    }
+
+    if (!isCreate) {
+      for (key in oldDirs) {
+        if (!newDirs[key]) {
+          // no longer present, unbind
+          callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
+        }
+      }
+    }
+  }
+
+  var emptyModifiers = Object.create(null);
+
+  function normalizeDirectives$1 (
+    dirs,
+    vm
+  ) {
+    var res = Object.create(null);
+    if (!dirs) {
+      return res
+    }
+    var i, dir;
+    for (i = 0; i < dirs.length; i++) {
+      dir = dirs[i];
+      if (!dir.modifiers) {
+        dir.modifiers = emptyModifiers;
+      }
+      res[getRawDirName(dir)] = dir;
+      dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
+    }
+    return res
+  }
+
+  function getRawDirName (dir) {
+    return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
+  }
+
+  function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
+    var fn = dir.def && dir.def[hook];
+    if (fn) {
+      try {
+        fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
+      } catch (e) {
+        handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
+      }
+    }
+  }
+
+  var baseModules = [
+    ref,
+    directives
+  ];
+
+  /*  */
+
+  function updateAttrs (oldVnode, vnode) {
+    if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
+      return
+    }
+    var key, cur, old;
+    var elm = vnode.elm;
+    var oldAttrs = oldVnode.data.attrs || {};
+    var attrs = vnode.data.attrs || {};
+    // clone observed objects, as the user probably wants to mutate it
+    if (isDef(attrs.__ob__)) {
+      attrs = vnode.data.attrs = extend({}, attrs);
+    }
+
+    for (key in attrs) {
+      cur = attrs[key];
+      old = oldAttrs[key];
+      if (old !== cur) {
+        setAttr(elm, key, cur);
+      }
+    }
+    // #4391: in IE9, setting type can reset value for input[type=radio]
+    /* istanbul ignore if */
+    if (isIE9 && attrs.value !== oldAttrs.value) {
+      setAttr(elm, 'value', attrs.value);
+    }
+    for (key in oldAttrs) {
+      if (isUndef(attrs[key])) {
+        if (isXlink(key)) {
+          elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
+        } else if (!isEnumeratedAttr(key)) {
+          elm.removeAttribute(key);
+        }
+      }
+    }
+  }
+
+  function setAttr (el, key, value) {
+    if (isBooleanAttr(key)) {
+      // set attribute for blank value
+      // e.g. <option disabled>Select one</option>
+      if (isFalsyAttrValue(value)) {
+        el.removeAttribute(key);
+      } else {
+        el.setAttribute(key, key);
+      }
+    } else if (isEnumeratedAttr(key)) {
+      el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');
+    } else if (isXlink(key)) {
+      if (isFalsyAttrValue(value)) {
+        el.removeAttributeNS(xlinkNS, getXlinkProp(key));
+      } else {
+        el.setAttributeNS(xlinkNS, key, value);
+      }
+    } else {
+      if (isFalsyAttrValue(value)) {
+        el.removeAttribute(key);
+      } else {
+        el.setAttribute(key, value);
+      }
+    }
+  }
+
+  var attrs = {
+    create: updateAttrs,
+    update: updateAttrs
+  };
+
+  /*  */
+
+  function updateClass (oldVnode, vnode) {
+    var el = vnode.elm;
+    var data = vnode.data;
+    var oldData = oldVnode.data;
+    if (
+      isUndef(data.staticClass) &&
+      isUndef(data.class) && (
+        isUndef(oldData) || (
+          isUndef(oldData.staticClass) &&
+          isUndef(oldData.class)
+        )
+      )
+    ) {
+      return
+    }
+
+    var cls = genClassForVnode(vnode);
+
+    // handle transition classes
+    var transitionClass = el._transitionClasses;
+    if (isDef(transitionClass)) {
+      cls = concat(cls, stringifyClass(transitionClass));
+    }
+
+    // set the class
+    if (cls !== el._prevClass) {
+      el.setAttribute('class', cls);
+      el._prevClass = cls;
+    }
+  }
+
+  var klass = {
+    create: updateClass,
+    update: updateClass
+  };
+
+  /*  */
+
+  // in some cases, the event used has to be determined at runtime
+  // so we used some reserved tokens during compile.
+  var RANGE_TOKEN = '__r';
+  var CHECKBOX_RADIO_TOKEN = '__c';
+
+  /*  */
+
+  // normalize v-model event tokens that can only be determined at runtime.
+  // it's important to place the event as the first in the array because
+  // the whole point is ensuring the v-model callback gets called before
+  // user-attached handlers.
+  function normalizeEvents (on) {
+    var event;
+    /* istanbul ignore if */
+    if (isDef(on[RANGE_TOKEN])) {
+      // IE input[type=range] only supports `change` event
+      event = isIE ? 'change' : 'input';
+      on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
+      delete on[RANGE_TOKEN];
+    }
+    if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
+      // Chrome fires microtasks in between click/change, leads to #4521
+      event = isChrome ? 'click' : 'change';
+      on[event] = [].concat(on[CHECKBOX_RADIO_TOKEN], on[event] || []);
+      delete on[CHECKBOX_RADIO_TOKEN];
+    }
+  }
+
+  var target$1;
+
+  function add$1 (
+    event,
+    handler,
+    once$$1,
+    capture,
+    passive
+  ) {
+    if (once$$1) {
+      var oldHandler = handler;
+      var _target = target$1; // save current target element in closure
+      handler = function (ev) {
+        var res = arguments.length === 1
+          ? oldHandler(ev)
+          : oldHandler.apply(null, arguments);
+        if (res !== null) {
+          remove$2(event, handler, capture, _target);
+        }
+      };
+    }
+    target$1.addEventListener(
+      event,
+      handler,
+      supportsPassive
+        ? { capture: capture, passive: passive }
+        : capture
+    );
+  }
+
+  function remove$2 (
+    event,
+    handler,
+    capture,
+    _target
+  ) {
+    (_target || target$1).removeEventListener(event, handler, capture);
+  }
+
+  function updateDOMListeners (oldVnode, vnode) {
+    if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
+      return
+    }
+    var on = vnode.data.on || {};
+    var oldOn = oldVnode.data.on || {};
+    target$1 = vnode.elm;
+    normalizeEvents(on);
+    updateListeners(on, oldOn, add$1, remove$2, vnode.context);
+  }
+
+  var events = {
+    create: updateDOMListeners,
+    update: updateDOMListeners
+  };
+
+  /*  */
+
+  function updateDOMProps (oldVnode, vnode) {
+    if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
+      return
+    }
+    var key, cur;
+    var elm = vnode.elm;
+    var oldProps = oldVnode.data.domProps || {};
+    var props = vnode.data.domProps || {};
+    // clone observed objects, as the user probably wants to mutate it
+    if (isDef(props.__ob__)) {
+      props = vnode.data.domProps = extend({}, props);
+    }
+
+    for (key in oldProps) {
+      if (isUndef(props[key])) {
+        elm[key] = '';
+      }
+    }
+    for (key in props) {
+      cur = props[key];
+      // ignore children if the node has textContent or innerHTML,
+      // as these will throw away existing DOM nodes and cause removal errors
+      // on subsequent patches (#3360)
+      if (key === 'textContent' || key === 'innerHTML') {
+        if (vnode.children) { vnode.children.length = 0; }
+        if (cur === oldProps[key]) { continue }
+      }
+
+      if (key === 'value') {
+        // store value as _value as well since
+        // non-string values will be stringified
+        elm._value = cur;
+        // avoid resetting cursor position when value is the same
+        var strCur = isUndef(cur) ? '' : String(cur);
+        if (shouldUpdateValue(elm, vnode, strCur)) {
+          elm.value = strCur;
+        }
+      } else {
+        elm[key] = cur;
+      }
+    }
+  }
+
+  // check platforms/web/util/attrs.js acceptValue
+
+
+  function shouldUpdateValue (
+    elm,
+    vnode,
+    checkVal
+  ) {
+    return (!elm.composing && (
+      vnode.tag === 'option' ||
+      isDirty(elm, checkVal) ||
+      isInputChanged(elm, checkVal)
+    ))
+  }
+
+  function isDirty (elm, checkVal) {
+    // return true when textbox (.number and .trim) loses focus and its value is not equal to the updated value
+    return document.activeElement !== elm && elm.value !== checkVal
+  }
+
+  function isInputChanged (elm, newVal) {
+    var value = elm.value;
+    var modifiers = elm._vModifiers; // injected by v-model runtime
+    if ((isDef(modifiers) && modifiers.number) || elm.type === 'number') {
+      return toNumber(value) !== toNumber(newVal)
+    }
+    if (isDef(modifiers) && modifiers.trim) {
+      return value.trim() !== newVal.trim()
+    }
+    return value !== newVal
+  }
+
+  var domProps = {
+    create: updateDOMProps,
+    update: updateDOMProps
+  };
+
+  /*  */
+
+  var parseStyleText = cached(function (cssText) {
+    var res = {};
+    var listDelimiter = /;(?![^(]*\))/g;
+    var propertyDelimiter = /:(.+)/;
+    cssText.split(listDelimiter).forEach(function (item) {
+      if (item) {
+        var tmp = item.split(propertyDelimiter);
+        tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
+      }
+    });
+    return res
+  });
+
+  // merge static and dynamic style data on the same vnode
+  function normalizeStyleData (data) {
+    var style = normalizeStyleBinding(data.style);
+    // static style is pre-processed into an object during compilation
+    // and is always a fresh object, so it's safe to merge into it
+    return data.staticStyle
+      ? extend(data.staticStyle, style)
+      : style
+  }
+
+  // normalize possible array / string values into Object
+  function normalizeStyleBinding (bindingStyle) {
+    if (Array.isArray(bindingStyle)) {
+      return toObject(bindingStyle)
+    }
+    if (typeof bindingStyle === 'string') {
+      return parseStyleText(bindingStyle)
+    }
+    return bindingStyle
+  }
+
+  /**
+   * parent component style should be after child's
+   * so that parent component's style could override it
+   */
+  function getStyle (vnode, checkChild) {
+    var res = {};
+    var styleData;
+
+    if (checkChild) {
+      var childNode = vnode;
+      while (childNode.componentInstance) {
+        childNode = childNode.componentInstance._vnode;
+        if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {
+          extend(res, styleData);
+        }
+      }
+    }
+
+    if ((styleData = normalizeStyleData(vnode.data))) {
+      extend(res, styleData);
+    }
+
+    var parentNode = vnode;
+    while ((parentNode = parentNode.parent)) {
+      if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
+        extend(res, styleData);
+      }
+    }
+    return res
+  }
+
+  /*  */
+
+  var cssVarRE = /^--/;
+  var importantRE = /\s*!important$/;
+  var setProp = function (el, name, val) {
+    /* istanbul ignore if */
+    if (cssVarRE.test(name)) {
+      el.style.setProperty(name, val);
+    } else if (importantRE.test(val)) {
+      el.style.setProperty(name, val.replace(importantRE, ''), 'important');
+    } else {
+      var normalizedName = normalize(name);
+      if (Array.isArray(val)) {
+        // Support values array created by autoprefixer, e.g.
+        // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
+        // Set them one by one, and the browser will only set those it can recognize
+        for (var i = 0, len = val.length; i < len; i++) {
+          el.style[normalizedName] = val[i];
+        }
+      } else {
+        el.style[normalizedName] = val;
+      }
+    }
+  };
+
+  var prefixes = ['Webkit', 'Moz', 'ms'];
+
+  var testEl;
+  var normalize = cached(function (prop) {
+    testEl = testEl || document.createElement('div');
+    prop = camelize(prop);
+    if (prop !== 'filter' && (prop in testEl.style)) {
+      return prop
+    }
+    var upper = prop.charAt(0).toUpperCase() + prop.slice(1);
+    for (var i = 0; i < prefixes.length; i++) {
+      var prefixed = prefixes[i] + upper;
+      if (prefixed in testEl.style) {
+        return prefixed
+      }
+    }
+  });
+
+  function updateStyle (oldVnode, vnode) {
+    var data = vnode.data;
+    var oldData = oldVnode.data;
+
+    if (isUndef(data.staticStyle) && isUndef(data.style) &&
+      isUndef(oldData.staticStyle) && isUndef(oldData.style)
+    ) {
+      return
+    }
+
+    var cur, name;
+    var el = vnode.elm;
+    var oldStaticStyle = oldData.staticStyle;
+    var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};
+
+    // if static style exists, stylebinding already merged into it when doing normalizeStyleData
+    var oldStyle = oldStaticStyle || oldStyleBinding;
+
+    var style = normalizeStyleBinding(vnode.data.style) || {};
+
+    // store normalized style under a different key for next diff
+    // make sure to clone it if it's reactive, since the user likley wants
+    // to mutate it.
+    vnode.data.normalizedStyle = isDef(style.__ob__)
+      ? extend({}, style)
+      : style;
+
+    var newStyle = getStyle(vnode, true);
+
+    for (name in oldStyle) {
+      if (isUndef(newStyle[name])) {
+        setProp(el, name, '');
+      }
+    }
+    for (name in newStyle) {
+      cur = newStyle[name];
+      if (cur !== oldStyle[name]) {
+        // ie9 setting to null has no effect, must use empty string
+        setProp(el, name, cur == null ? '' : cur);
+      }
+    }
+  }
+
+  var style = {
+    create: updateStyle,
+    update: updateStyle
+  };
+
+  /*  */
+
+  /**
+   * Add class with compatibility for SVG since classList is not supported on
+   * SVG elements in IE
+   */
+  function addClass (el, cls) {
+    /* istanbul ignore if */
+    if (!cls || !(cls = cls.trim())) {
+      return
+    }
+
+    /* istanbul ignore else */
+    if (el.classList) {
+      if (cls.indexOf(' ') > -1) {
+        cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); });
+      } else {
+        el.classList.add(cls);
+      }
+    } else {
+      var cur = " " + (el.getAttribute('class') || '') + " ";
+      if (cur.indexOf(' ' + cls + ' ') < 0) {
+        el.setAttribute('class', (cur + cls).trim());
+      }
+    }
+  }
+
+  /**
+   * Remove class with compatibility for SVG since classList is not supported on
+   * SVG elements in IE
+   */
+  function removeClass (el, cls) {
+    /* istanbul ignore if */
+    if (!cls || !(cls = cls.trim())) {
+      return
+    }
+
+    /* istanbul ignore else */
+    if (el.classList) {
+      if (cls.indexOf(' ') > -1) {
+        cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); });
+      } else {
+        el.classList.remove(cls);
+      }
+    } else {
+      var cur = " " + (el.getAttribute('class') || '') + " ";
+      var tar = ' ' + cls + ' ';
+      while (cur.indexOf(tar) >= 0) {
+        cur = cur.replace(tar, ' ');
+      }
+      el.setAttribute('class', cur.trim());
+    }
+  }
+
+  /*  */
+
+  function resolveTransition (def$$1) {
+    if (!def$$1) {
+      return
+    }
+    /* istanbul ignore else */
+    if (typeof def$$1 === 'object') {
+      var res = {};
+      if (def$$1.css !== false) {
+        extend(res, autoCssTransition(def$$1.name || 'v'));
+      }
+      extend(res, def$$1);
+      return res
+    } else if (typeof def$$1 === 'string') {
+      return autoCssTransition(def$$1)
+    }
+  }
+
+  var autoCssTransition = cached(function (name) {
+    return {
+      enterClass: (name + "-enter"),
+      enterToClass: (name + "-enter-to"),
+      enterActiveClass: (name + "-enter-active"),
+      leaveClass: (name + "-leave"),
+      leaveToClass: (name + "-leave-to"),
+      leaveActiveClass: (name + "-leave-active")
+    }
+  });
+
+  var hasTransition = inBrowser && !isIE9;
+  var TRANSITION = 'transition';
+  var ANIMATION = 'animation';
+
+  // Transition property/event sniffing
+  var transitionProp = 'transition';
+  var transitionEndEvent = 'transitionend';
+  var animationProp = 'animation';
+  var animationEndEvent = 'animationend';
+  if (hasTransition) {
+    /* istanbul ignore if */
+    if (window.ontransitionend === undefined &&
+      window.onwebkittransitionend !== undefined
+    ) {
+      transitionProp = 'WebkitTransition';
+      transitionEndEvent = 'webkitTransitionEnd';
+    }
+    if (window.onanimationend === undefined &&
+      window.onwebkitanimationend !== undefined
+    ) {
+      animationProp = 'WebkitAnimation';
+      animationEndEvent = 'webkitAnimationEnd';
+    }
+  }
+
+  // binding to window is necessary to make hot reload work in IE in strict mode
+  var raf = inBrowser && window.requestAnimationFrame
+    ? window.requestAnimationFrame.bind(window)
+    : setTimeout;
+
+  function nextFrame (fn) {
+    raf(function () {
+      raf(fn);
+    });
+  }
+
+  function addTransitionClass (el, cls) {
+    (el._transitionClasses || (el._transitionClasses = [])).push(cls);
+    addClass(el, cls);
+  }
+
+  function removeTransitionClass (el, cls) {
+    if (el._transitionClasses) {
+      remove(el._transitionClasses, cls);
+    }
+    removeClass(el, cls);
+  }
+
+  function whenTransitionEnds (
+    el,
+    expectedType,
+    cb
+  ) {
+    var ref = getTransitionInfo(el, expectedType);
+    var type = ref.type;
+    var timeout = ref.timeout;
+    var propCount = ref.propCount;
+    if (!type) { return cb() }
+    var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
+    var ended = 0;
+    var end = function () {
+      el.removeEventListener(event, onEnd);
+      cb();
+    };
+    var onEnd = function (e) {
+      if (e.target === el) {
+        if (++ended >= propCount) {
+          end();
+        }
+      }
+    };
+    setTimeout(function () {
+      if (ended < propCount) {
+        end();
+      }
+    }, timeout + 1);
+    el.addEventListener(event, onEnd);
+  }
+
+  var transformRE = /\b(transform|all)(,|$)/;
+
+  function getTransitionInfo (el, expectedType) {
+    var styles = window.getComputedStyle(el);
+    var transitionDelays = styles[transitionProp + 'Delay'].split(', ');
+    var transitionDurations = styles[transitionProp + 'Duration'].split(', ');
+    var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
+    var animationDelays = styles[animationProp + 'Delay'].split(', ');
+    var animationDurations = styles[animationProp + 'Duration'].split(', ');
+    var animationTimeout = getTimeout(animationDelays, animationDurations);
+
+    var type;
+    var timeout = 0;
+    var propCount = 0;
+    /* istanbul ignore if */
+    if (expectedType === TRANSITION) {
+      if (transitionTimeout > 0) {
+        type = TRANSITION;
+        timeout = transitionTimeout;
+        propCount = transitionDurations.length;
+      }
+    } else if (expectedType === ANIMATION) {
+      if (animationTimeout > 0) {
+        type = ANIMATION;
+        timeout = animationTimeout;
+        propCount = animationDurations.length;
+      }
+    } else {
+      timeout = Math.max(transitionTimeout, animationTimeout);
+      type = timeout > 0
+        ? transitionTimeout > animationTimeout
+          ? TRANSITION
+          : ANIMATION
+        : null;
+      propCount = type
+        ? type === TRANSITION
+          ? transitionDurations.length
+          : animationDurations.length
+        : 0;
+    }
+    var hasTransform =
+      type === TRANSITION &&
+      transformRE.test(styles[transitionProp + 'Property']);
+    return {
+      type: type,
+      timeout: timeout,
+      propCount: propCount,
+      hasTransform: hasTransform
+    }
+  }
+
+  function getTimeout (delays, durations) {
+    /* istanbul ignore next */
+    while (delays.length < durations.length) {
+      delays = delays.concat(delays);
+    }
+
+    return Math.max.apply(null, durations.map(function (d, i) {
+      return toMs(d) + toMs(delays[i])
+    }))
+  }
+
+  function toMs (s) {
+    return Number(s.slice(0, -1)) * 1000
+  }
+
+  /*  */
+
+  function enter (vnode, toggleDisplay) {
+    var el = vnode.elm;
+
+    // call leave callback now
+    if (isDef(el._leaveCb)) {
+      el._leaveCb.cancelled = true;
+      el._leaveCb();
+    }
+
+    var data = resolveTransition(vnode.data.transition);
+    if (isUndef(data)) {
+      return
+    }
+
+    /* istanbul ignore if */
+    if (isDef(el._enterCb) || el.nodeType !== 1) {
+      return
+    }
+
+    var css = data.css;
+    var type = data.type;
+    var enterClass = data.enterClass;
+    var enterToClass = data.enterToClass;
+    var enterActiveClass = data.enterActiveClass;
+    var appearClass = data.appearClass;
+    var appearToClass = data.appearToClass;
+    var appearActiveClass = data.appearActiveClass;
+    var beforeEnter = data.beforeEnter;
+    var enter = data.enter;
+    var afterEnter = data.afterEnter;
+    var enterCancelled = data.enterCancelled;
+    var beforeAppear = data.beforeAppear;
+    var appear = data.appear;
+    var afterAppear = data.afterAppear;
+    var appearCancelled = data.appearCancelled;
+    var duration = data.duration;
+
+    // activeInstance will always be the <transition> component managing this
+    // transition. One edge case to check is when the <transition> is placed
+    // as the root node of a child component. In that case we need to check
+    // <transition>'s parent for appear check.
+    var context = activeInstance;
+    var transitionNode = activeInstance.$vnode;
+    while (transitionNode && transitionNode.parent) {
+      transitionNode = transitionNode.parent;
+      context = transitionNode.context;
+    }
+
+    var isAppear = !context._isMounted || !vnode.isRootInsert;
+
+    if (isAppear && !appear && appear !== '') {
+      return
+    }
+
+    var startClass = isAppear && appearClass
+      ? appearClass
+      : enterClass;
+    var activeClass = isAppear && appearActiveClass
+      ? appearActiveClass
+      : enterActiveClass;
+    var toClass = isAppear && appearToClass
+      ? appearToClass
+      : enterToClass;
+
+    var beforeEnterHook = isAppear
+      ? (beforeAppear || beforeEnter)
+      : beforeEnter;
+    var enterHook = isAppear
+      ? (typeof appear === 'function' ? appear : enter)
+      : enter;
+    var afterEnterHook = isAppear
+      ? (afterAppear || afterEnter)
+      : afterEnter;
+    var enterCancelledHook = isAppear
+      ? (appearCancelled || enterCancelled)
+      : enterCancelled;
+
+    var explicitEnterDuration = toNumber(
+      isObject(duration)
+        ? duration.enter
+        : duration
+    );
+
+    if ("production" !== 'production' && explicitEnterDuration != null) {}
+
+    var expectsCSS = css !== false && !isIE9;
+    var userWantsControl = getHookArgumentsLength(enterHook);
+
+    var cb = el._enterCb = once(function () {
+      if (expectsCSS) {
+        removeTransitionClass(el, toClass);
+        removeTransitionClass(el, activeClass);
+      }
+      if (cb.cancelled) {
+        if (expectsCSS) {
+          removeTransitionClass(el, startClass);
+        }
+        enterCancelledHook && enterCancelledHook(el);
+      } else {
+        afterEnterHook && afterEnterHook(el);
+      }
+      el._enterCb = null;
+    });
+
+    if (!vnode.data.show) {
+      // remove pending leave element on enter by injecting an insert hook
+      mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {
+        var parent = el.parentNode;
+        var pendingNode = parent && parent._pending && parent._pending[vnode.key];
+        if (pendingNode &&
+          pendingNode.tag === vnode.tag &&
+          pendingNode.elm._leaveCb
+        ) {
+          pendingNode.elm._leaveCb();
+        }
+        enterHook && enterHook(el, cb);
+      });
+    }
+
+    // start enter transition
+    beforeEnterHook && beforeEnterHook(el);
+    if (expectsCSS) {
+      addTransitionClass(el, startClass);
+      addTransitionClass(el, activeClass);
+      nextFrame(function () {
+        addTransitionClass(el, toClass);
+        removeTransitionClass(el, startClass);
+        if (!cb.cancelled && !userWantsControl) {
+          if (isValidDuration(explicitEnterDuration)) {
+            setTimeout(cb, explicitEnterDuration);
+          } else {
+            whenTransitionEnds(el, type, cb);
+          }
+        }
+      });
+    }
+
+    if (vnode.data.show) {
+      toggleDisplay && toggleDisplay();
+      enterHook && enterHook(el, cb);
+    }
+
+    if (!expectsCSS && !userWantsControl) {
+      cb();
+    }
+  }
+
+  function leave (vnode, rm) {
+    var el = vnode.elm;
+
+    // call enter callback now
+    if (isDef(el._enterCb)) {
+      el._enterCb.cancelled = true;
+      el._enterCb();
+    }
+
+    var data = resolveTransition(vnode.data.transition);
+    if (isUndef(data)) {
+      return rm()
+    }
+
+    /* istanbul ignore if */
+    if (isDef(el._leaveCb) || el.nodeType !== 1) {
+      return
+    }
+
+    var css = data.css;
+    var type = data.type;
+    var leaveClass = data.leaveClass;
+    var leaveToClass = data.leaveToClass;
+    var leaveActiveClass = data.leaveActiveClass;
+    var beforeLeave = data.beforeLeave;
+    var leave = data.leave;
+    var afterLeave = data.afterLeave;
+    var leaveCancelled = data.leaveCancelled;
+    var delayLeave = data.delayLeave;
+    var duration = data.duration;
+
+    var expectsCSS = css !== false && !isIE9;
+    var userWantsControl = getHookArgumentsLength(leave);
+
+    var explicitLeaveDuration = toNumber(
+      isObject(duration)
+        ? duration.leave
+        : duration
+    );
+
+    if ("production" !== 'production' && isDef(explicitLeaveDuration)) {}
+
+    var cb = el._leaveCb = once(function () {
+      if (el.parentNode && el.parentNode._pending) {
+        el.parentNode._pending[vnode.key] = null;
+      }
+      if (expectsCSS) {
+        removeTransitionClass(el, leaveToClass);
+        removeTransitionClass(el, leaveActiveClass);
+      }
+      if (cb.cancelled) {
+        if (expectsCSS) {
+          removeTransitionClass(el, leaveClass);
+        }
+        leaveCancelled && leaveCancelled(el);
+      } else {
+        rm();
+        afterLeave && afterLeave(el);
+      }
+      el._leaveCb = null;
+    });
+
+    if (delayLeave) {
+      delayLeave(performLeave);
+    } else {
+      performLeave();
+    }
+
+    function performLeave () {
+      // the delayed leave may have already been cancelled
+      if (cb.cancelled) {
+        return
+      }
+      // record leaving element
+      if (!vnode.data.show) {
+        (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;
+      }
+      beforeLeave && beforeLeave(el);
+      if (expectsCSS) {
+        addTransitionClass(el, leaveClass);
+        addTransitionClass(el, leaveActiveClass);
+        nextFrame(function () {
+          addTransitionClass(el, leaveToClass);
+          removeTransitionClass(el, leaveClass);
+          if (!cb.cancelled && !userWantsControl) {
+            if (isValidDuration(explicitLeaveDuration)) {
+              setTimeout(cb, explicitLeaveDuration);
+            } else {
+              whenTransitionEnds(el, type, cb);
+            }
+          }
+        });
+      }
+      leave && leave(el, cb);
+      if (!expectsCSS && !userWantsControl) {
+        cb();
+      }
+    }
+  }
+
+  function isValidDuration (val) {
+    return typeof val === 'number' && !isNaN(val)
+  }
+
+  /**
+   * Normalize a transition hook's argument length. The hook may be:
+   * - a merged hook (invoker) with the original in .fns
+   * - a wrapped component method (check ._length)
+   * - a plain function (.length)
+   */
+  function getHookArgumentsLength (fn) {
+    if (isUndef(fn)) {
+      return false
+    }
+    var invokerFns = fn.fns;
+    if (isDef(invokerFns)) {
+      // invoker
+      return getHookArgumentsLength(
+        Array.isArray(invokerFns)
+          ? invokerFns[0]
+          : invokerFns
+      )
+    } else {
+      return (fn._length || fn.length) > 1
+    }
+  }
+
+  function _enter (_, vnode) {
+    if (vnode.data.show !== true) {
+      enter(vnode);
+    }
+  }
+
+  var transition = inBrowser ? {
+    create: _enter,
+    activate: _enter,
+    remove: function remove$$1 (vnode, rm) {
+      /* istanbul ignore else */
+      if (vnode.data.show !== true) {
+        leave(vnode, rm);
+      } else {
+        rm();
+      }
+    }
+  } : {};
+
+  var platformModules = [
+    attrs,
+    klass,
+    events,
+    domProps,
+    style,
+    transition
+  ];
+
+  /*  */
+
+  // the directive module should be applied last, after all
+  // built-in modules have been applied.
+  var modules = platformModules.concat(baseModules);
+
+  var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });
+
+  /**
+   * Not type checking this file because flow doesn't like attaching
+   * properties to Elements.
+   */
+
+  /* istanbul ignore if */
+  if (isIE9) {
+    // http://www.matts411.com/post/internet-explorer-9-oninput/
+    document.addEventListener('selectionchange', function () {
+      var el = document.activeElement;
+      if (el && el.vmodel) {
+        trigger(el, 'input');
+      }
+    });
+  }
+
+  var model$1 = {
+    inserted: function inserted (el, binding, vnode) {
+      if (vnode.tag === 'select') {
+        var cb = function () {
+          setSelected(el, binding, vnode.context);
+        };
+        cb();
+        /* istanbul ignore if */
+        if (isIE || isEdge) {
+          setTimeout(cb, 0);
+        }
+      } else if (vnode.tag === 'textarea' || el.type === 'text' || el.type === 'password') {
+        el._vModifiers = binding.modifiers;
+        if (!binding.modifiers.lazy) {
+          // Safari < 10.2 & UIWebView doesn't fire compositionend when
+          // switching focus before confirming composition choice
+          // this also fixes the issue where some browsers e.g. iOS Chrome
+          // fires "change" instead of "input" on autocomplete.
+          el.addEventListener('change', onCompositionEnd);
+          if (!isAndroid) {
+            el.addEventListener('compositionstart', onCompositionStart);
+            el.addEventListener('compositionend', onCompositionEnd);
+          }
+          /* istanbul ignore if */
+          if (isIE9) {
+            el.vmodel = true;
+          }
+        }
+      }
+    },
+    componentUpdated: function componentUpdated (el, binding, vnode) {
+      if (vnode.tag === 'select') {
+        setSelected(el, binding, vnode.context);
+        // in case the options rendered by v-for have changed,
+        // it's possible that the value is out-of-sync with the rendered options.
+        // detect such cases and filter out values that no longer has a matching
+        // option in the DOM.
+        var needReset = el.multiple
+          ? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); })
+          : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, el.options);
+        if (needReset) {
+          trigger(el, 'change');
+        }
+      }
+    }
+  };
+
+  function setSelected (el, binding, vm) {
+    var value = binding.value;
+    var isMultiple = el.multiple;
+    if (isMultiple && !Array.isArray(value)) {
+      "production" !== 'production' && warn$1(
+        "<select multiple v-model=\"" + (binding.expression) + "\"> " +
+        "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
+        vm
+      );
+      return
+    }
+    var selected, option;
+    for (var i = 0, l = el.options.length; i < l; i++) {
+      option = el.options[i];
+      if (isMultiple) {
+        selected = looseIndexOf(value, getValue(option)) > -1;
+        if (option.selected !== selected) {
+          option.selected = selected;
+        }
+      } else {
+        if (looseEqual(getValue(option), value)) {
+          if (el.selectedIndex !== i) {
+            el.selectedIndex = i;
+          }
+          return
+        }
+      }
+    }
+    if (!isMultiple) {
+      el.selectedIndex = -1;
+    }
+  }
+
+  function hasNoMatchingOption (value, options) {
+    for (var i = 0, l = options.length; i < l; i++) {
+      if (looseEqual(getValue(options[i]), value)) {
+        return false
+      }
+    }
+    return true
+  }
+
+  function getValue (option) {
+    return '_value' in option
+      ? option._value
+      : option.value
+  }
+
+  function onCompositionStart (e) {
+    e.target.composing = true;
+  }
+
+  function onCompositionEnd (e) {
+    // prevent triggering an input event for no reason
+    if (!e.target.composing) { return }
+    e.target.composing = false;
+    trigger(e.target, 'input');
+  }
+
+  function trigger (el, type) {
+    var e = document.createEvent('HTMLEvents');
+    e.initEvent(type, true, true);
+    el.dispatchEvent(e);
+  }
+
+  /*  */
+
+  // recursively search for possible transition defined inside the component root
+  function locateNode (vnode) {
+    return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
+      ? locateNode(vnode.componentInstance._vnode)
+      : vnode
+  }
+
+  var show = {
+    bind: function bind (el, ref, vnode) {
+      var value = ref.value;
+
+      vnode = locateNode(vnode);
+      var transition = vnode.data && vnode.data.transition;
+      var originalDisplay = el.__vOriginalDisplay =
+        el.style.display === 'none' ? '' : el.style.display;
+      if (value && transition && !isIE9) {
+        vnode.data.show = true;
+        enter(vnode, function () {
+          el.style.display = originalDisplay;
+        });
+      } else {
+        el.style.display = value ? originalDisplay : 'none';
+      }
+    },
+
+    update: function update (el, ref, vnode) {
+      var value = ref.value;
+      var oldValue = ref.oldValue;
+
+      /* istanbul ignore if */
+      if (value === oldValue) { return }
+      vnode = locateNode(vnode);
+      var transition = vnode.data && vnode.data.transition;
+      if (transition && !isIE9) {
+        vnode.data.show = true;
+        if (value) {
+          enter(vnode, function () {
+            el.style.display = el.__vOriginalDisplay;
+          });
+        } else {
+          leave(vnode, function () {
+            el.style.display = 'none';
+          });
+        }
+      } else {
+        el.style.display = value ? el.__vOriginalDisplay : 'none';
+      }
+    },
+
+    unbind: function unbind (
+      el,
+      binding,
+      vnode,
+      oldVnode,
+      isDestroy
+    ) {
+      if (!isDestroy) {
+        el.style.display = el.__vOriginalDisplay;
+      }
+    }
+  };
+
+  var platformDirectives = {
+    model: model$1,
+    show: show
+  };
+
+  /*  */
+
+  // Provides transition support for a single element/component.
+  // supports transition mode (out-in / in-out)
+
+  var transitionProps = {
+    name: String,
+    appear: Boolean,
+    css: Boolean,
+    mode: String,
+    type: String,
+    enterClass: String,
+    leaveClass: String,
+    enterToClass: String,
+    leaveToClass: String,
+    enterActiveClass: String,
+    leaveActiveClass: String,
+    appearClass: String,
+    appearActiveClass: String,
+    appearToClass: String,
+    duration: [Number, String, Object]
+  };
+
+  // in case the child is also an abstract component, e.g. <keep-alive>
+  // we want to recursively retrieve the real component to be rendered
+  function getRealChild (vnode) {
+    var compOptions = vnode && vnode.componentOptions;
+    if (compOptions && compOptions.Ctor.options.abstract) {
+      return getRealChild(getFirstComponentChild(compOptions.children))
+    } else {
+      return vnode
+    }
+  }
+
+  function extractTransitionData (comp) {
+    var data = {};
+    var options = comp.$options;
+    // props
+    for (var key in options.propsData) {
+      data[key] = comp[key];
+    }
+    // events.
+    // extract listeners and pass them directly to the transition methods
+    var listeners = options._parentListeners;
+    for (var key$1 in listeners) {
+      data[camelize(key$1)] = listeners[key$1];
+    }
+    return data
+  }
+
+  function placeholder (h, rawChild) {
+    if (/\d-keep-alive$/.test(rawChild.tag)) {
+      return h('keep-alive', {
+        props: rawChild.componentOptions.propsData
+      })
+    }
+  }
+
+  function hasParentTransition (vnode) {
+    while ((vnode = vnode.parent)) {
+      if (vnode.data.transition) {
+        return true
+      }
+    }
+  }
+
+  function isSameChild (child, oldChild) {
+    return oldChild.key === child.key && oldChild.tag === child.tag
+  }
+
+  var Transition = {
+    name: 'transition',
+    props: transitionProps,
+    abstract: true,
+
+    render: function render (h) {
+      var this$1 = this;
+
+      var children = this.$slots.default;
+      if (!children) {
+        return
+      }
+
+      // filter out text nodes (possible whitespaces)
+      children = children.filter(function (c) { return c.tag; });
+      /* istanbul ignore if */
+      if (!children.length) {
+        return
+      }
+
+      // warn multiple elements
+      if ("production" !== 'production' && children.length > 1) {}
+
+      var mode = this.mode;
+
+      // warn invalid mode
+      if ("production" !== 'production' &&
+        mode && mode !== 'in-out' && mode !== 'out-in'
+      ) {}
+
+      var rawChild = children[0];
+
+      // if this is a component root node and the component's
+      // parent container node also has transition, skip.
+      if (hasParentTransition(this.$vnode)) {
+        return rawChild
+      }
+
+      // apply transition data to child
+      // use getRealChild() to ignore abstract components e.g. keep-alive
+      var child = getRealChild(rawChild);
+      /* istanbul ignore if */
+      if (!child) {
+        return rawChild
+      }
+
+      if (this._leaving) {
+        return placeholder(h, rawChild)
+      }
+
+      // ensure a key that is unique to the vnode type and to this transition
+      // component instance. This key will be used to remove pending leaving nodes
+      // during entering.
+      var id = "__transition-" + (this._uid) + "-";
+      child.key = child.key == null
+        ? id + child.tag
+        : isPrimitive(child.key)
+          ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
+          : child.key;
+
+      var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
+      var oldRawChild = this._vnode;
+      var oldChild = getRealChild(oldRawChild);
+
+      // mark v-show
+      // so that the transition module can hand over the control to the directive
+      if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) {
+        child.data.show = true;
+      }
+
+      if (oldChild && oldChild.data && !isSameChild(child, oldChild)) {
+        // replace old child transition data with fresh one
+        // important for dynamic transitions!
+        var oldData = oldChild && (oldChild.data.transition = extend({}, data));
+        // handle transition mode
+        if (mode === 'out-in') {
+          // return placeholder node and queue update when leave finishes
+          this._leaving = true;
+          mergeVNodeHook(oldData, 'afterLeave', function () {
+            this$1._leaving = false;
+            this$1.$forceUpdate();
+          });
+          return placeholder(h, rawChild)
+        } else if (mode === 'in-out') {
+          var delayedLeave;
+          var performLeave = function () { delayedLeave(); };
+          mergeVNodeHook(data, 'afterEnter', performLeave);
+          mergeVNodeHook(data, 'enterCancelled', performLeave);
+          mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
+        }
+      }
+
+      return rawChild
+    }
+  };
+
+  /*  */
+
+  // Provides transition support for list items.
+  // supports move transitions using the FLIP technique.
+
+  // Because the vdom's children update algorithm is "unstable" - i.e.
+  // it doesn't guarantee the relative positioning of removed elements,
+  // we force transition-group to update its children into two passes:
+  // in the first pass, we remove all nodes that need to be removed,
+  // triggering their leaving transition; in the second pass, we insert/move
+  // into the final desired state. This way in the second pass removed
+  // nodes will remain where they should be.
+
+  var props = extend({
+    tag: String,
+    moveClass: String
+  }, transitionProps);
+
+  delete props.mode;
+
+  var TransitionGroup = {
+    props: props,
+
+    render: function render (h) {
+      var tag = this.tag || this.$vnode.data.tag || 'span';
+      var map = Object.create(null);
+      var prevChildren = this.prevChildren = this.children;
+      var rawChildren = this.$slots.default || [];
+      var children = this.children = [];
+      var transitionData = extractTransitionData(this);
+
+      for (var i = 0; i < rawChildren.length; i++) {
+        var c = rawChildren[i];
+        if (c.tag) {
+          if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
+            children.push(c);
+            map[c.key] = c
+            ;(c.data || (c.data = {})).transition = transitionData;
+          } else if ("production" !== 'production') {}
+        }
+      }
+
+      if (prevChildren) {
+        var kept = [];
+        var removed = [];
+        for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
+          var c$1 = prevChildren[i$1];
+          c$1.data.transition = transitionData;
+          c$1.data.pos = c$1.elm.getBoundingClientRect();
+          if (map[c$1.key]) {
+            kept.push(c$1);
+          } else {
+            removed.push(c$1);
+          }
+        }
+        this.kept = h(tag, null, kept);
+        this.removed = removed;
+      }
+
+      return h(tag, null, children)
+    },
+
+    beforeUpdate: function beforeUpdate () {
+      // force removing pass
+      this.__patch__(
+        this._vnode,
+        this.kept,
+        false, // hydrating
+        true // removeOnly (!important, avoids unnecessary moves)
+      );
+      this._vnode = this.kept;
+    },
+
+    updated: function updated () {
+      var children = this.prevChildren;
+      var moveClass = this.moveClass || ((this.name || 'v') + '-move');
+      if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
+        return
+      }
+
+      // we divide the work into three loops to avoid mixing DOM reads and writes
+      // in each iteration - which helps prevent layout thrashing.
+      children.forEach(callPendingCbs);
+      children.forEach(recordPosition);
+      children.forEach(applyTranslation);
+
+      // force reflow to put everything in position
+      var body = document.body;
+      var f = body.offsetHeight; // eslint-disable-line
+
+      children.forEach(function (c) {
+        if (c.data.moved) {
+          var el = c.elm;
+          var s = el.style;
+          addTransitionClass(el, moveClass);
+          s.transform = s.WebkitTransform = s.transitionDuration = '';
+          el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
+            if (!e || /transform$/.test(e.propertyName)) {
+              el.removeEventListener(transitionEndEvent, cb);
+              el._moveCb = null;
+              removeTransitionClass(el, moveClass);
+            }
+          });
+        }
+      });
+    },
+
+    methods: {
+      hasMove: function hasMove (el, moveClass) {
+        /* istanbul ignore if */
+        if (!hasTransition) {
+          return false
+        }
+        if (this._hasMove != null) {
+          return this._hasMove
+        }
+        // Detect whether an element with the move class applied has
+        // CSS transitions. Since the element may be inside an entering
+        // transition at this very moment, we make a clone of it and remove
+        // all other transition classes applied to ensure only the move class
+        // is applied.
+        var clone = el.cloneNode();
+        if (el._transitionClasses) {
+          el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
+        }
+        addClass(clone, moveClass);
+        clone.style.display = 'none';
+        this.$el.appendChild(clone);
+        var info = getTransitionInfo(clone);
+        this.$el.removeChild(clone);
+        return (this._hasMove = info.hasTransform)
+      }
+    }
+  };
+
+  function callPendingCbs (c) {
+    /* istanbul ignore if */
+    if (c.elm._moveCb) {
+      c.elm._moveCb();
+    }
+    /* istanbul ignore if */
+    if (c.elm._enterCb) {
+      c.elm._enterCb();
+    }
+  }
+
+  function recordPosition (c) {
+    c.data.newPos = c.elm.getBoundingClientRect();
+  }
+
+  function applyTranslation (c) {
+    var oldPos = c.data.pos;
+    var newPos = c.data.newPos;
+    var dx = oldPos.left - newPos.left;
+    var dy = oldPos.top - newPos.top;
+    if (dx || dy) {
+      c.data.moved = true;
+      var s = c.elm.style;
+      s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
+      s.transitionDuration = '0s';
+    }
+  }
+
+  var platformComponents = {
+    Transition: Transition,
+    TransitionGroup: TransitionGroup
+  };
+
+  /*  */
+
+  // install platform specific utils
+  Vue$3.config.mustUseProp = mustUseProp;
+  Vue$3.config.isReservedTag = isReservedTag;
+  Vue$3.config.isReservedAttr = isReservedAttr;
+  Vue$3.config.getTagNamespace = getTagNamespace;
+  Vue$3.config.isUnknownElement = isUnknownElement;
+
+  // install platform runtime directives & components
+  extend(Vue$3.options.directives, platformDirectives);
+  extend(Vue$3.options.components, platformComponents);
+
+  // install platform patch function
+  Vue$3.prototype.__patch__ = inBrowser ? patch : noop;
+
+  // public mount method
+  Vue$3.prototype.$mount = function (
+    el,
+    hydrating
+  ) {
+    el = el && inBrowser ? query(el) : undefined;
+    return mountComponent(this, el, hydrating)
+  };
+
+  // devtools global hook
+  /* istanbul ignore next */
+  setTimeout(function () {
+    if (config.devtools) {
+      if (devtools) {
+        devtools.emit('init', Vue$3);
+      } else if ("production" !== 'production' && isChrome) {}
+    }
+    if ("production" !== 'production' &&
+      config.productionTip !== false &&
+      inBrowser && typeof console !== 'undefined'
+    ) {}
+  }, 0);
+
+  var LEFT_ARROW = '«'
+  var RIGHT_ARROW = '»'
+  var ELLIPSES = '…'
+
+  var LimitedLinksGenerator = function LimitedLinksGenerator (listOfPages, currentPage, limit) {
+    this.listOfPages = listOfPages
+    this.lastPage = listOfPages.length - 1
+    this.currentPage = currentPage === this.lastPage
+      ? this.lastPage - 1
+      : currentPage
+    this.limit = limit
+  };
+
+  LimitedLinksGenerator.prototype.generate = function generate () {
+    var firstHalf = this._buildFirstHalf()
+    var secondHalf = this._buildSecondHalf()
+    return firstHalf.concat( secondHalf)
+  };
+
+  LimitedLinksGenerator.prototype._buildFirstHalf = function _buildFirstHalf () {
+    var firstHalf = this._allPagesButLast()
+      .slice(
+        this._currentChunkIndex(),
+        this._currentChunkIndex() + this.limit
+      )
+    // Add backward ellipses with first page if needed
+    if (this.currentPage >= this.limit) {
+      firstHalf.unshift(ELLIPSES)
+      firstHalf.unshift(0)
+    }
+    // Add ellipses if needed
+    if (this.lastPage - this.limit > this._currentChunkIndex()) {
+      firstHalf.push(ELLIPSES)
+    }
+    return firstHalf
+  };
+
+  LimitedLinksGenerator.prototype._buildSecondHalf = function _buildSecondHalf () {
+    var secondHalf = [this.lastPage]
+    return secondHalf
+  };
+
+  LimitedLinksGenerator.prototype._currentChunkIndex = function _currentChunkIndex () {
+    var currentChunk = Math.floor(this.currentPage / this.limit)
+    return currentChunk * this.limit 
+  };
+
+  LimitedLinksGenerator.prototype._allPagesButLast = function _allPagesButLast () {
+      var this$1 = this;
+
+    return this.listOfPages.filter(function (n) { return n !== this$1.lastPage; })
+  };
+
+  var PaginateLinks = {
+    name: 'paginate-links',
+    props: {
+      for: {
+        type: String,
+        required: true
+      },
+      limit: {
+        type: Number,
+        default: 0
+      },
+      simple: {
+        type: Object,
+        default: null,
+        validator: function validator (obj) {
+          return obj.prev && obj.next
+        }
+      },
+      stepLinks: {
+        type: Object,
+        default: function () {
+          return {
+            prev: LEFT_ARROW,
+            next: RIGHT_ARROW
+          }
+        },
+        validator: function validator$1 (obj) {
+          return obj.prev && obj.next
+        }
+      },
+      showStepLinks: {
+        type: Boolean
+      },
+      hideSinglePage: {
+        type: Boolean
+      },
+      classes: {
+        type: Object,
+        default: null
+      },
+      async: {
+        type: Boolean,
+        default: false
+      }
+    },
+    data: function data () {
+      return {
+        listOfPages: [],
+        numberOfPages: 0,
+        target: null
+      }
+    },
+    computed: {
+      currentPage: {
+        get: function get () {
+          if (this.$parent.paginate[this.for]) {
+            return this.$parent.paginate[this.for].page
+          }
+        },
+        set: function set (page) {
+          this.$parent.paginate[this.for].page = page
+        }
+      }
+    },
+    mounted: function mounted () {
+      var this$1 = this;
+
+      if (this.simple && this.limit) {
+        warn(("<paginate-links for=\"" + (this.for) + "\"> 'simple' and 'limit' props can't be used at the same time. In this case, 'simple' will take precedence, and 'limit' will be ignored."), this.$parent, 'warn')
+      }
+      if (this.simple && !this.simple.next) {
+        warn(("<paginate-links for=\"" + (this.for) + "\"> 'simple' prop doesn't contain 'next' value."), this.$parent)
+      }
+      if (this.simple && !this.simple.prev) {
+        warn(("<paginate-links for=\"" + (this.for) + "\"> 'simple' prop doesn't contain 'prev' value."), this.$parent)
+      }
+      if (this.stepLinks && !this.stepLinks.next) {
+        warn(("<paginate-links for=\"" + (this.for) + "\"> 'step-links' prop doesn't contain 'next' value."), this.$parent)
+      }
+      if (this.stepLinks && !this.stepLinks.prev) {
+        warn(("<paginate-links for=\"" + (this.for) + "\"> 'step-links' prop doesn't contain 'prev' value."), this.$parent)
+      }
+      Vue$3.nextTick(function () {
+        this$1.updateListOfPages()
+      })
+    },
+    watch: {
+      '$parent.paginate': {
+        handler: function handler () {
+          this.updateListOfPages()
+        },
+        deep: true
+      },
+      currentPage: function currentPage (toPage, fromPage) {
+        this.$emit('change', toPage + 1, fromPage + 1)
+      }
+    },
+    methods: {
+      updateListOfPages: function updateListOfPages () {
+        this.target = getTargetPaginateComponent(this.$parent.$children, this.for)
+        if (!this.target) {
+          if (this.async) { return }
+          warn(("<paginate-links for=\"" + (this.for) + "\"> can't be used without its companion <paginate name=\"" + (this.for) + "\">"), this.$parent)
+          warn("To fix that issue you may need to use :async=\"true\" on <paginate-links> component to allow for asyncronous rendering", this.$parent, 'warn')
+          return
+        }
+        this.numberOfPages = Math.ceil(this.target.list.length / this.target.per)
+        this.listOfPages = getListOfPageNumbers(this.numberOfPages)
+      }
+    },
+    render: function render (h) {
+      var this$1 = this;
+
+      if (!this.target && this.async) { return null }
+
+      var links = this.simple
+        ? getSimpleLinks(this, h)
+        : this.limit > 1
+        ? getLimitedLinks(this, h)
+        : getFullLinks(this, h)
+
+      if (this.hideSinglePage && this.numberOfPages <= 1) {
+        return null
+      }
+
+      var el = h('ul', {
+        class: ['paginate-links', this.for]
+      }, links)
+
+      if (this.classes) {
+        Vue$3.nextTick(function () {
+          addAdditionalClasses(el.elm, this$1.classes)
+        })
+      }
+      return el
+    }
+  }
+
+  function getFullLinks (vm, h) {
+    var allLinks = vm.showStepLinks
+      ? [vm.stepLinks.prev ].concat( vm.listOfPages, [vm.stepLinks.next])
+      : vm.listOfPages
+    return allLinks.map(function (link) {
+      var data = {
+        on: {
+          click: function (e) {
+            e.preventDefault()
+            vm.currentPage = getTargetPageForLink(
+              link,
+              vm.limit,
+              vm.currentPage,
+              vm.listOfPages,
+              vm.stepLinks
+            )
+          }
+        }
+      }
+      var liClasses = getClassesForLink(
+        link,
+        vm.currentPage,
+        vm.listOfPages.length - 1,
+        vm.stepLinks
+      )
+      var linkText = link === vm.stepLinks.next || link === vm.stepLinks.prev
+        ? link
+        : link + 1 // it means it's a number
+      return h('li', { class: liClasses }, [h('a', data, linkText)])
+    })
+  }
+
+  function getLimitedLinks (vm, h) {
+    var limitedLinks = new LimitedLinksGenerator(
+      vm.listOfPages,
+      vm.currentPage,
+      vm.limit,
+      vm.stepLinks
+    ).generate()
+
+    limitedLinks = vm.showStepLinks
+      ? [vm.stepLinks.prev ].concat( limitedLinks, [vm.stepLinks.next])
+      : limitedLinks
+
+    var limitedLinksMetadata = getLimitedLinksMetadata(limitedLinks)
+
+    return limitedLinks.map(function (link, index) {
+      var data = {
+        on: {
+          click: function (e) {
+            e.preventDefault()
+            vm.currentPage = getTargetPageForLink(
+              link,
+              vm.limit,
+              vm.currentPage,
+              vm.listOfPages,
+              vm.stepLinks,
+              limitedLinksMetadata[index]
+            )
+          }
+        }
+      }
+      var liClasses = getClassesForLink(
+        link,
+        vm.currentPage,
+        vm.listOfPages.length - 1,
+        vm.stepLinks
+      )
+      // If the link is a number,
+      // then incremented by 1 (since it's 0 based).
+      // otherwise, do nothing (so, it's a symbol). 
+      var text = Number.isInteger(link) ? link + 1 : link
+      return h('li', { class: liClasses }, [h('a', data, text)])
+    })
+  }
+
+  function getSimpleLinks (vm, h) {
+    var lastPage = vm.listOfPages.length - 1
+    var prevData = {
+      on: {
+        click: function (e) {
+          e.preventDefault()
+          if (vm.currentPage > 0) { vm.currentPage -= 1 }
+        }
+      }
+    }
+    var nextData = {
+      on: {
+        click: function (e) {
+          e.preventDefault()
+          if (vm.currentPage < lastPage) { vm.currentPage += 1 }
+        }
+      }
+    }
+    var nextListData = { class: ['next', vm.currentPage >= lastPage ? 'disabled' : ''] }
+    var prevListData = { class: ['prev', vm.currentPage <= 0 ? 'disabled' : ''] }
+    var prevLink = h('li', prevListData, [h('a', prevData, vm.simple.prev)])
+    var nextLink = h('li', nextListData, [h('a', nextData, vm.simple.next)])
+    return [prevLink, nextLink]
+  }
+
+  function getTargetPaginateComponent (children, targetName) {
+    return children
+      .filter(function (child) { return (child.$vnode.componentOptions.tag === 'paginate'); })
+      .find(function (child) { return child.name === targetName; })
+  }
+
+  function getListOfPageNumbers (numberOfPages) {
+    // converts number of pages into an array
+    // that contains each individual page number
+    // For Example: 4 => [0, 1, 2, 3]
+    return Array.apply(null, { length: numberOfPages })
+      .map(function (val, index) { return index; })
+  }
+
+  function getClassesForLink(link, currentPage, lastPage, ref) {
+    var prev = ref.prev;
+    var next = ref.next;
+
+    var liClass = []
+    if (link === prev) {
+      liClass.push('left-arrow')
+    } else if (link === next) {
+      liClass.push('right-arrow')
+    } else if (link === ELLIPSES) {
+      liClass.push('ellipses')
+    } else {
+      liClass.push('number')
+    }
+
+    if (link === currentPage) {
+      liClass.push('active')
+    }
+
+    if (link === prev && currentPage <= 0) {
+      liClass.push('disabled')
+    } else if (link === next && currentPage >= lastPage) {
+      liClass.push('disabled')
+    }
+    return liClass
+  }
+
+  function getTargetPageForLink (link, limit, currentPage, listOfPages, ref, metaData) {
+    var prev = ref.prev;
+    var next = ref.next;
+    if ( metaData === void 0 ) metaData = null;
+
+    var currentChunk = Math.floor(currentPage / limit)
+    if (link === prev) {
+      return (currentPage - 1) < 0 ? 0 : currentPage - 1
+    } else if (link === next) {
+      return (currentPage + 1 > listOfPages.length - 1)
+        ? listOfPages.length - 1
+        : currentPage + 1
+    } else if (metaData && metaData === 'right-ellipses') {
+      return (currentChunk + 1) * limit
+    } else if (metaData && metaData === 'left-ellipses') {
+      var chunkContent = listOfPages.slice(currentChunk * limit, currentChunk * limit + limit)
+      var isLastPage = currentPage === listOfPages.length - 1
+      if (isLastPage && chunkContent.length === 1) {
+        currentChunk--
+      }
+      return (currentChunk - 1) * limit + limit - 1
+    }
+    // which is number
+    return link
+  }
+
+  /**
+   * Mainly used here to check whether the displayed
+   * ellipses is for showing previous or next links
+   */
+  function getLimitedLinksMetadata (limitedLinks) {
+    return limitedLinks.map(function (link, index) {
+      if (link === ELLIPSES && limitedLinks[index - 1] === 0) {
+        return 'left-ellipses'
+      } else if (link === ELLIPSES && limitedLinks[index - 1] !== 0) {
+        return 'right-ellipses'
+      }
+      return link
+    })
+  }
+
+  function addAdditionalClasses (linksContainer, classes) {
+    Object.keys(classes).forEach(function (selector) {
+      if (selector === 'ul') {
+        var selectorValue = classes['ul']
+        if (Array.isArray(selectorValue)) {
+          selectorValue.forEach(function (c) { return linksContainer.classList.add(c); })
+        } else {
+          linksContainer.classList.add(selectorValue)
+        }
+      }
+      linksContainer.querySelectorAll(selector).forEach(function (node) {
+        var selectorValue = classes[selector]
+        if (Array.isArray(selectorValue)) {
+          selectorValue.forEach(function (c) { return node.classList.add(c); })
+        } else {
+          node.classList.add(selectorValue)
+        }
+      })
+    })
+  }
+
+  function paginateDataGenerator (listNames) {
+    if ( listNames === void 0 ) listNames = [];
+
+    return listNames.reduce(function (curr, listName) {
+      curr[listName] = {
+        list: [],
+        page: 0
+      }
+      return curr
+    }, {})
+  }
+
+  var vuePaginate = {}
+
+  vuePaginate.install = function (Vue) {
+    Vue.mixin({
+      created: function created () {
+        if (this.paginate !== 'undefined' && this.paginate instanceof Array) {
+          this.paginate = paginateDataGenerator(this.paginate)
+        }
+      },
+      methods: {
+        paginated: function paginated (listName) {
+          if (!this.paginate || !this.paginate[listName]) {
+            warn(("'" + listName + "' is not registered in 'paginate' array."), this)
+            return
+          }
+          return this.paginate[listName].list
+        }
+      }
+    })
+    Vue.component('paginate', Paginate)
+    Vue.component('paginate-links', PaginateLinks)
+  }
+
+  if (typeof window !== 'undefined' && window.Vue) {
+    window.Vue.use(vuePaginate)
+  }
+
+  return vuePaginate;
 
 }));
\ No newline at end of file
diff --git a/dist/vue-paginate.min.js b/dist/vue-paginate.min.js
index 929050d..51ce1cb 100644
--- a/dist/vue-paginate.min.js
+++ b/dist/vue-paginate.min.js
@@ -1,7 +1,8 @@
 /**
- * vue-paginate v3.4.0
+ * vue-paginate v3.5.0
  * (c) 2017 Taha Shashtari
  * @license MIT
  */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.VuePaginate=e()}(this,function(){"use strict";function t(t){return null==t?"":"object"==typeof t?JSON.stringify(t,null,2):String(t)}function e(t){var e=parseFloat(t,10);return e||0===e?e:t}function n(t,e){for(var n=Object.create(null),r=t.split(","),i=0;i<r.length;i++)n[r[i]]=!0;return e?function(t){return n[t.toLowerCase()]}:function(t){return n[t]}}function r(t,e){if(t.length){var n=t.indexOf(e);if(n>-1)return t.splice(n,1)}}function i(t,e){return Nn.call(t,e)}function o(t){return"string"==typeof t||"number"==typeof t}function a(t){var e=Object.create(null);return function(n){var r=e[n];return r||(e[n]=t(n))}}function s(t,e){function n(n){var r=arguments.length;return r?r>1?t.apply(e,arguments):t.call(e,n):t.call(e)}return n._length=t.length,n}function u(t,e){e=e||0;for(var n=t.length-e,r=new Array(n);n--;)r[n]=t[n+e];return r}function 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t=this._allPagesButLast().slice(this._currentChunkIndex(),this._currentChunkIndex()+this.limit);return this.currentPage>=this.limit&&(t.unshift(Do),t.unshift(0)),this.lastPage-this.limit>this._currentChunkIndex()&&t.push(Do),t},No.prototype._buildSecondHalf=function(){var t=[this.lastPage];return t},No.prototype._currentChunkIndex=function(){var t=Math.floor(this.currentPage/this.limit);return t*this.limit},No.prototype._allPagesButLast=function(){var t=this;return this.listOfPages.filter(function(e){return e!==t.lastPage})};var Mo={name:"paginate-links",props:{for:{type:String,required:!0},limit:{type:Number,default:0},simple:{type:Object,default:null,validator:function(t){return t.prev&&t.next}},stepLinks:{type:Object,default:function(){return{prev:To,next:Io}},validator:function(t){return 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\ No newline at end of file
diff --git a/package.json b/package.json
index 99d409f..2b4b727 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-paginate",
-  "version": "3.4.0",
+  "version": "3.5.0",
   "description": "A simple vue.js plugin to paginate data",
   "main": "dist/vue-paginate.js",
   "scripts": {