build: Test JS code with jshint and jscs via npm

Change-Id: I4d20af87b900d10c20f1a2c3fff09dc3425d2e55

.jscsrc

@@ -0,0 +1,21 @@
+{
+	"preset": "wikimedia",
+
+	"jsDoc": {
+		"checkAnnotations": {
+			"preset": "jsduck5",
+			"extra": {
+				"this": true,
+				"source": true,
+				"see": true
+			}
+		},
+		"checkTypes": "strictNativeCase",
+		"checkParamNames": true,
+		"checkRedundantAccess": true,
+		"checkRedundantReturns": true,
+		"requireNewlineAfterDescription": true,
+		"requireParamTypes": true,
+		"requireReturnTypes": true
+	}
+}

.jshintrc

@@ -20,15 +20,13 @@
 	"bitwise": false,
 	"forin": false,
 	"regexp": false,
-	"strict": true,
 	"scripturl": true,
 
 	// Environment
 	"browser": true,
+	"jquery": true,
 
-	// Globals
-	"predef": [
-		"jQuery",
-		"mediaWiki"
-	]
+	"globals": {
+		"mw": false
+	}
 }

Gruntfile.js

@@ -7,11 +7,34 @@
 /*jshint node:true */
 module.exports = function ( grunt ) {
 	'use strict';
+	grunt.loadNpmTasks( 'grunt-contrib-jshint' );
+	grunt.loadNpmTasks( 'grunt-jscs' );
 	grunt.loadNpmTasks( 'grunt-jsonlint' );
 	grunt.loadNpmTasks( 'grunt-banana-checker' );
 	grunt.initConfig( {
+		jshint: {
+			options: {
+				jshintrc: true
+			},
+			all: [
+				'*.js',
+				'{.jsduck,build}/**/*.js',
+				'modules/**/*.js'
+			]
+		},
 		banana: {
-			all: ['i18n/']
+			core: [ 'i18n/' ]
+		},
+		jscs: {
+			fix: {
+				options: {
+					fix: true
+				},
+				src: '<%= jshint.all %>'
+			},
+			main: {
+				src: '<%= jshint.all %>'
+			}
 		},
 		jsonlint: {
 			all: [
@@ -21,6 +44,6 @@ module.exports = function ( grunt ) {
 		}
 	} );
 
-	grunt.registerTask( 'test', [ 'jsonlint', 'banana' ] );
+	grunt.registerTask( 'test', [ 'jshint', 'jscs:main', 'jsonlint', 'banana' ] );
 	grunt.registerTask( 'default', 'test' );
 };

modules/ext.cite.a11y.js

@@ -35,4 +35,4 @@
 			);
 		} );
 	} );
-} )( mediaWiki, jQuery );
+} )( mw, jQuery );

package.json

@@ -10,6 +10,8 @@
     "grunt": "0.4.5",
     "grunt-cli": "0.1.13",
     "grunt-banana-checker": "0.2.2",
-    "grunt-jsonlint": "1.0.4"
+    "grunt-contrib-jshint": "0.11.3",
+    "grunt-jsonlint": "1.0.4",
+    "grunt-jscs": "2.1.0"
   }
 }