add ESLint

Author: SergioCrisostomo

.eslintrc

@@ -0,0 +1,21 @@
+root: true
+
+extends: 'eslint:recommended'
+
+rules:
+  no-cond-assign: 0
+  no-constant-condition: 0
+  no-console: 0
+  no-empty: 0
+  no-extra-semi: 0
+  no-octal: 0
+  no-undef: 0
+  no-unused-vars: 0
+  linebreak-style: [2, unix]
+  no-trailing-spaces: 2
+  no-unneeded-ternary: 2
+  quotes: [2, single, avoid-escape]
+  semi: 2
+  semi-spacing: 2
+  mootools-indent: [2, tab, {SwitchCase: 1, VariableDeclarator: 1, IndentRootIIFE: false}]
+  mootools-whitespace: 2

Gruntfile.js

@@ -1,13 +1,20 @@
-"use strict";
+'use strict';
 
-module.exports = function(grunt) {
+module.exports = function(grunt){
 
 	require('load-grunt-tasks')(grunt);
 	var browser = process.env.BROWSER;
 	var travisBuild = process.env.BUILD;
 	var pullRequest = process.env.TRAVIS_PULL_REQUEST;
 
 	grunt.initConfig({
+		eslint: {
+			target: ['Gruntfile.js', 'Specs/**/*.js', 'Source/**/*.js'],
+			options: {
+				rulePaths: ['Tests/eslint/rules']
+			}
+		},
+
 		'connect': {
 			testserver: {
 				options: {
@@ -16,11 +23,11 @@ module.exports = function(grunt) {
 					// to avoid https://github.com/joyent/libuv/issues/826
 					port: 8000,
 					hostname: '0.0.0.0',
-					middleware: function(connect, options) {
+					middleware: function(connect, options){
 						return [
-							function(req, resp, next) {
+							function(req, resp, next){
 								// cache get requests to speed up tests on travis
-								if (req.method === 'GET') {
+								if (req.method === 'GET'){
 									resp.setHeader('Cache-control', 'public, max-age=3600');
 								}
 
@@ -37,7 +44,7 @@ module.exports = function(grunt) {
 
 			options: {
 				name: {
-					More: 'Source/', 
+					More: 'Source/',
 					Core: 'node_modules/mootools-core/'
 				}
 			},
@@ -86,8 +93,8 @@ module.exports = function(grunt) {
 				singleRun: true,
 				frameworks: ['jasmine', 'sinon'],
 				files: [
-					'Tests/Utilities/*.js', 
-					'mootools-*.js', 
+					'Tests/Utilities/*.js',
+					'mootools-*.js',
 					{pattern: 'Tests/Specs/assets/*.*', included: false, served: true}
 				],
 				sauceLabs: {
@@ -194,7 +201,7 @@ module.exports = function(grunt) {
 						version: '6',
 						deviceOrientation: 'portrait'
 					}
-				},
+				}
 			},
 
 			continuous: {
@@ -221,8 +228,8 @@ module.exports = function(grunt) {
 
 	});
 
-	var compatBuild = ['clean', 'packager:all', 'packager:specs'];
-	var nocompatBuild = ['clean', 'packager:morenocompat', 'packager:specs-nocompat'];
+	var compatBuild = ['clean', 'eslint', 'packager:all', 'packager:specs'];
+	var nocompatBuild = ['clean', 'eslint', 'packager:morenocompat', 'packager:specs-nocompat'];
 
 	var tasks = travisBuild == 'default' ? compatBuild : nocompatBuild;
 	tasks =  pullRequest != 'false' ? tasks.concat('karma:continuous') : tasks.concat('karma:sauceTask');

Source/Locale/Locale.fr-FR.Form.Validator.js

@@ -19,6 +19,8 @@ provides: [Locale.fr-FR.Form.Validator]
 ...
 */
 
+/*eslint mootools-whitespace:0*/
+
 Locale.define('fr-FR', 'FormValidator', {
 
 	required: 'Ce champ est obligatoire.',

Source/Locale/Locale.hu-HU.Form.Validator.js

@@ -18,6 +18,8 @@ provides: [Locale.hu-HU.Form.Validator]
 ...
 */
 
+/*eslint mootools-whitespace:0*/
+
 Locale.define('hu-HU', 'FormValidator', {
 
 	required: 'A mező kitöltése kötelező.',

Source/Locale/Locale.it-IT.Form.Validator.js

@@ -19,6 +19,8 @@ provides: [Locale.it-IT.Form.Validator]
 ...
 */
 
+/*eslint mootools-whitespace:0*/
+
 Locale.define('it-IT', 'FormValidator', {
 
 	required: 'Il campo è obbligatorio.',