Added support for coverage reporting (as requested in https://github.com/newtriks/generator-react-webpack/issues/158)

karma.conf.js

@@ -3,24 +3,28 @@ var webpackCfg = require('./webpack.config');
 module.exports = function(config) {
   config.set({
     basePath: '',
-    browsers: ['PhantomJS'],
+    browsers: [ 'PhantomJS' ],
     files: [
       'test/loadtests.js'
     ],
     port: 8080,
     captureTimeout: 60000,
-    frameworks: ['phantomjs-shim', 'mocha', 'chai'],
+    frameworks: [ 'phantomjs-shim', 'mocha', 'chai' ],
     client: {
       mocha: {}
     },
     singleRun: true,
-    reporters: ['mocha'],
+    reporters: [ 'mocha', 'coverage' ],
     preprocessors: {
-      'test/loadtests.js': ['webpack', 'sourcemap']
+      'test/loadtests.js': [ 'webpack', 'sourcemap' ]
     },
     webpack: webpackCfg,
     webpackServer: {
       noInfo: true
+    },
+    coverageReporter: {
+      type: 'html',
+      dir: 'coverage/'
     }
   });
 };