Use babel for minification (#471)

app/index.js

@@ -8,6 +8,8 @@ const AutoUpdater = require('./auto-updater');
 const toHex = require('convert-css-color-name-to-hex');
 const notify = require('./notify');
 
+app.commandLine.appendSwitch('js-flags', '--harmony');
+
 // set up config
 const config = require('./config');
 config.init();

package.json

@@ -33,7 +33,6 @@
     "babel-core": "6.11.4",
     "babel-eslint": "6.1.2",
     "babel-loader": "6.2.4",
-    "babel-preset-es2015-native-modules": "6.9.2",
     "babel-preset-react": "6.11.1",
     "electron-builder": "5.17.0",
     "electron-prebuilt": "1.3.1",
@@ -76,7 +75,6 @@
   },
   "babel": {
     "presets": [
-      "es2015-native-modules",
       "react"
     ]
   },
@@ -101,7 +99,7 @@
     "prepublish": "npm test",
     "prepush": "npm test",
     "postinstall": "install-app-deps",
-    "pack": "npm run build && build --dir",
+    "pack": "npm run build && build --dir && babel --no-comments --compact --minified --out-file app/dist/bundle.js app/dist/bundle.js",
     "dist": "npm run build && build",
     "release": "npm run build && build --publish=onTagOrDraft"
   }

webpack.config.js

@@ -16,9 +16,7 @@ module.exports = {
       {
         test: /\.(js|jsx)$/,
         exclude: /node_modules/,
-        loaders: [
-          'babel-loader'
-        ]
+        loader: 'babel'
       },
       {
         test: /\.json/,
@@ -27,27 +25,11 @@ module.exports = {
     ]
   },
   plugins: [
-    new webpack.ExternalsPlugin('commonjs', ['electron']),
-    new webpack.optimize.UglifyJsPlugin({
-      mangle: {
-        keep_fnames: true
-      },
-      compress: {
-        warnings: false
-      },
-      output: {
-        comments: false
-      },
-      sourceMap: false
-    }),
-    new webpack.LoaderOptionsPlugin({
-      minimize: true,
-      debug: false
-    }),
     new webpack.DefinePlugin({
       'process.env': {
         'NODE_ENV': JSON.stringify(nodeEnv)
       }
     })
-  ]
+  ],
+  target: 'electron'
 };