Codebase refactoring, described in #92 (#93)

* convert sources to commonjs

* ignore .idea files

* code formatting

* add eslint

* smaller modules, refactoring

* move source coverage collection to separate class

* continue refactoring, drop WeekMap usage

* refactor main.js

* cleanup irrelevant files

* remove jshint comments, reformat some code

* CoverageTransformer class

* prefer public module interfaces

* move all sources to src, add babel build

* update eslint config, apply rule updates

* use node 6 for running tests (because of es6 features support)

* codestyle changes, deps update, chore things

* revert typings

* .editorconfig “indent_size = 4”

* update lint rules

.editorconfig

@@ -0,0 +1,22 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+
+root = true
+
+[*]
+
+indent_style = tab
+indent_size = 4
+
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[package.json]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false

.eslintignore

@@ -0,0 +1 @@
+/tests

.eslintrc

@@ -0,0 +1,40 @@
+{
+	"extends": "airbnb-base",
+	"env": {
+		"es6": true,
+		"browser": true,
+		"node": true
+	},
+	"rules": {
+		"indent": [
+			"error",
+			"tab",
+			{
+				"SwitchCase": 1
+			}
+		],
+		"no-tabs": 0,
+		"import/prefer-default-export": 0,
+		"import/no-extraneous-dependencies": 0,
+		"import/no-dynamic-require": 1,
+		"prefer-template": 1,
+		"max-len": [
+			"error",
+			120
+		],
+		"no-restricted-syntax": 0,
+		"arrow-parens": 0,
+		"no-param-reassign": 1,
+		"global-require": 1,
+		"no-underscore-dangle": 0,
+		"no-shadow": 1,
+		"consistent-return": 1,
+		"comma-dangle": ["error", {
+			"arrays": "always-multiline",
+			"objects": "always-multiline",
+			"imports": "always-multiline",
+			"exports": "always-multiline",
+			"functions": "ignore"
+		}]
+	}
+}

.gitattributes

@@ -0,0 +1,2 @@
+* text=auto
+*.sh text eol=lf

.gitignore

@@ -1,3 +1,6 @@
+.idea
+html-report
 node_modules
 tmp
 .idea
+/lib

.npmignore

@@ -1,3 +1,2 @@
 tests
-.jshintrc
 .travis.yml

.travis.yml

@@ -8,7 +8,7 @@ notifications:
     on_failure: always  # options: [always|never|change] default: always
     on_start: never     # options: [always|never|change] default: always
 node_js:
-  - "5.1"
+  - 6
 cache:
   directories:
     - node_modules