chore(package): Add ESLint

.eslintignore

@@ -0,0 +1,4 @@
+*.min.js
+/components.js
+/scripts/utopia.js
+/scripts/vendor/**

.eslintrc

@@ -0,0 +1,114 @@
+{
+	"env": {
+		"browser": true,
+		"commonjs": true,
+	},
+	"extends": "eslint:recommended",
+	"globals": {
+		"Prism": "readonly",
+	},
+	"parserOptions": {
+		"ecmaVersion": 5,
+	},
+	"root": true,
+	"rules": {
+		"comma-dangle": [
+			"warn",
+			"only-multiline",
+		],
+		"linebreak-style": [
+			"error",
+			"unix",
+		],
+		"no-console": "off",
+		"no-empty": [
+			"warn",
+			{
+				"allowEmptyCatch": true,
+			}
+		],
+		"no-inner-declarations": "off",
+		"no-mixed-spaces-and-tabs": "error",
+		"no-redeclare": "error",
+		"no-sparse-arrays": "off",
+		"no-unused-vars": [
+			"warn",
+			{
+				"args": "none",
+			}
+		],
+		"no-useless-escape": "off",
+		"semi": [
+			"error",
+			"always",
+		],
+	},
+	"overrides": [
+		{
+			"files": [
+				"components/*.js",
+				"gulpfile.js",
+			],
+			"rules": {
+				"quotes": [
+					"warn",
+					"single",
+					{
+						"avoidEscape": true,
+					}
+				],
+			},
+		},
+		{
+			"files": [
+				"components/prism-core.js",
+				"prism.js",
+			],
+			"globals": {
+				"WorkerGlobalScope": "readonly",
+			},
+		},
+		{
+			"files": [
+				"tests/**/*.js"
+			],
+			"env": {
+				"es6": true,
+				"node": true,
+				"mocha": true,
+			},
+			"parserOptions": {
+				"ecmaVersion": 2015,
+			},
+		},
+		{
+			"files": [
+				"gulpfile.js",
+			],
+			"env": {
+				"es6": true,
+				"node": true,
+			},
+			"parserOptions": {
+				"ecmaVersion": 2015,
+			},
+		},
+		{
+			"files": [
+				"scripts/**/*.js",
+			],
+			"globals": {
+				"$": "readonly",
+				"$$": "readonly",
+				"$u": "readonly",
+				"Utopia": "readonly",
+				"Promise": "readonly",
+				"components": "readonly",
+				"setTheme": "readonly",
+				"saveAs": "readonly",
+				"PrefixFree": "readonly",
+				"StyleFix": "readonly",
+			},
+		}
+	]
+}

.travis.yml

@@ -17,7 +17,9 @@ before_script:
 - npm install -g gulp
 - gulp
 - gulp premerge
-script: npm test
+script:
+- gulp lint
+- npm test
 deploy:
   provider: npm
   email: lea@verou.me

components/prism-aspnet.js

@@ -20,7 +20,7 @@ Prism.languages.aspnet.tag.pattern = /<(?!%)\/?[^\s>\/]+(?:\s+[^\s>\/=]+(?:=(?:(
 // match directives of attribute value foo="<% Bar %>"
 Prism.languages.insertBefore('inside', 'punctuation', {
 	'directive tag': Prism.languages.aspnet['directive tag']
-}, Prism.languages.aspnet.tag.inside["attr-value"]);
+}, Prism.languages.aspnet.tag.inside['attr-value']);
 
 Prism.languages.insertBefore('aspnet', 'comment', {
 	'asp comment': /<%--[\s\S]*?--%>/

components/prism-autoit.js

@@ -1,34 +1,34 @@
 Prism.languages.autoit = {
-	"comment": [
+	'comment': [
 		/;.*/,
 		{
 			// The multi-line comments delimiters can actually be commented out with ";"
 			pattern: /(^\s*)#(?:comments-start|cs)[\s\S]*?^\s*#(?:comments-end|ce)/m,
 			lookbehind: true
 		}
 	],
-	"url": {
+	'url': {
 		pattern: /(^\s*#include\s+)(?:<[^\r\n>]+>|"[^\r\n"]+")/m,
 		lookbehind: true
 	},
-	"string": {
+	'string': {
 		pattern: /(["'])(?:\1\1|(?!\1)[^\r\n])*\1/,
 		greedy: true,
 		inside: {
-			"variable": /([%$@])\w+\1/
+			'variable': /([%$@])\w+\1/
 		}
 	},
-	"directive": {
+	'directive': {
 		pattern: /(^\s*)#\w+/m,
 		lookbehind: true,
 		alias: 'keyword'
 	},
-	"function": /\b\w+(?=\()/,
+	'function': /\b\w+(?=\()/,
 	// Variables and macros
-	"variable": /[$@]\w+/,
-	"keyword": /\b(?:Case|Const|Continue(?:Case|Loop)|Default|Dim|Do|Else(?:If)?|End(?:Func|If|Select|Switch|With)|Enum|Exit(?:Loop)?|For|Func|Global|If|In|Local|Next|Null|ReDim|Select|Static|Step|Switch|Then|To|Until|Volatile|WEnd|While|With)\b/i,
-	"number": /\b(?:0x[\da-f]+|\d+(?:\.\d+)?(?:e[+-]?\d+)?)\b/i,
-	"boolean": /\b(?:True|False)\b/i,
-	"operator": /<[=>]?|[-+*\/=&>]=?|[?^]|\b(?:And|Or|Not)\b/i,
-	"punctuation": /[\[\]().,:]/
+	'variable': /[$@]\w+/,
+	'keyword': /\b(?:Case|Const|Continue(?:Case|Loop)|Default|Dim|Do|Else(?:If)?|End(?:Func|If|Select|Switch|With)|Enum|Exit(?:Loop)?|For|Func|Global|If|In|Local|Next|Null|ReDim|Select|Static|Step|Switch|Then|To|Until|Volatile|WEnd|While|With)\b/i,
+	'number': /\b(?:0x[\da-f]+|\d+(?:\.\d+)?(?:e[+-]?\d+)?)\b/i,
+	'boolean': /\b(?:True|False)\b/i,
+	'operator': /<[=>]?|[-+*\/=&>]=?|[?^]|\b(?:And|Or|Not)\b/i,
+	'punctuation': /[\[\]().,:]/
 };

components/prism-cil.js

@@ -24,4 +24,4 @@ Prism.languages.cil = {
 	'number': /\b-?(?:0x[0-9a-fA-F]+|[0-9]+)(?:\.[0-9a-fA-F]+)?\b/i,
 
 	'punctuation': /[{}[\];(),:=]|IL_[0-9A-Za-z]+/
-}
+};

components/prism-coffeescript.js

@@ -2,10 +2,10 @@
 
 // Ignore comments starting with { to privilege string interpolation highlighting
 var comment = /#(?!\{).+/,
-    interpolation = {
-    	pattern: /#\{[^}]+\}/,
-    	alias: 'variable'
-    };
+	interpolation = {
+		pattern: /#\{[^}]+\}/,
+		alias: 'variable'
+	};
 
 Prism.languages.coffeescript = Prism.languages.extend('javascript', {
 	'comment': comment,