[Update] Added babel-plugin-istanbul to substitute isparta-loader (deprecated).

Author: McGiogen

package.json

@@ -27,13 +27,13 @@
     "autoprefixer": "^6.0.3",
     "babel-core": "^6.2.1",
     "babel-loader": "^6.2.0",
+    "babel-plugin-istanbul": "^2.0.1",
     "babel-preset-es2015": "^6.1.18",
     "copy-webpack-plugin": "^3.0.1",
     "css-loader": "^0.23.0",
     "extract-text-webpack-plugin": "^1.0.1",
     "file-loader": "^0.9.0",
     "html-webpack-plugin": "^2.7.1",
-    "isparta-loader": "^2.0.0",
     "jasmine-core": "^2.3.4",
     "karma": "^1.1.0",
     "karma-coverage": "^1.0.0",

webpack.config.js

@@ -69,6 +69,27 @@ module.exports = function makeWebpackConfig () {
     config.devtool = 'eval-source-map';
   }
 
+  /**
+   * Babel query options
+   * Reference: https://github.com/babel/babel-loader#options
+   *            https://github.com/istanbuljs/babel-plugin-istanbul
+   * Instrument JS files with babel-plugin-istanbul for subsequent code coverage reporting
+   * Skips files that end with .spec.js
+   */
+  var babelQueryOptions = null;
+  if (isTest) {
+    babelQueryOptions = {
+      plugins: [
+        [
+          'istanbul',
+          {
+            exclude: [ '**/*.spec.js' ]
+          }
+        ]
+      ]
+    }
+  }
+
   /**
    * Loaders
    * Reference: http://webpack.github.io/docs/configuration.html#module-loaders
@@ -86,7 +107,8 @@ module.exports = function makeWebpackConfig () {
       // Compiles ES6 and ES7 into ES5 code
       test: /\.js$/,
       loader: 'babel',
-      exclude: /node_modules/
+      exclude: /node_modules/,
+      query: babelQueryOptions
     }, {
       // CSS LOADER
       // Reference: https://github.com/webpack/css-loader
@@ -119,21 +141,6 @@ module.exports = function makeWebpackConfig () {
     }]
   };
 
-  // ISPARTA LOADER
-  // Reference: https://github.com/ColCh/isparta-instrumenter-loader
-  // Instrument JS files with Isparta for subsequent code coverage reporting
-  // Skips node_modules and files that end with .test.js
-  if (isTest) {
-    config.module.preLoaders.push({
-      test: /\.js$/,
-      exclude: [
-        /node_modules/,
-        /\.spec\.js$/
-      ],
-      loader: 'isparta-loader'
-    })
-  }
-
   /**
    * PostCSS
    * Reference: https://github.com/postcss/autoprefixer-core