Simplify webpack config. Eliminate dev/prod override files.

templates/Angular2Spa/webpack.config.js

@@ -1,16 +1,14 @@
 var path = require('path');
 var webpack = require('webpack');
-var merge = require('extendify')({ isDeep: true, arrays: 'concat' });
 var ExtractTextPlugin = require('extract-text-webpack-plugin');
-var extractCSS = new ExtractTextPlugin('styles.css');
-var devConfig = require('./webpack.config.dev');
-var prodConfig = require('./webpack.config.prod');
-var isDevelopment = process.env.ASPNETCORE_ENVIRONMENT === 'Development';
 
-module.exports = merge({
-    resolve: {
-        extensions: [ '', '.js', '.ts' ]
-    },
+var isDevBuild = process.env.ASPNETCORE_ENVIRONMENT === 'Development';
+var extractCSS = new ExtractTextPlugin('styles.css');
+
+module.exports = {
+    devtool: isDevBuild ? 'inline-source-map' : null,
+    resolve: { extensions: [ '', '.js', '.ts' ] },
+    entry: { main: ['./ClientApp/boot-client.ts'] },
     module: {
         loaders: [
             { test: /\.ts$/, include: /ClientApp/, loader: 'ts-loader?silent=true' },
@@ -18,9 +16,6 @@ module.exports = merge({
             { test: /\.css/, loader: extractCSS.extract(['css']) }
         ]
     },
-    entry: {
-        main: ['./ClientApp/boot-client.ts']
-    },
     output: {
         path: path.join(__dirname, 'wwwroot', 'dist'),
         filename: '[name].js',
@@ -32,5 +27,9 @@ module.exports = merge({
             context: __dirname,
             manifest: require('./wwwroot/dist/vendor-manifest.json')
         })
-    ]
-}, isDevelopment ? devConfig : prodConfig);
+    ].concat(isDevBuild ? [] : [
+        // Plugins that apply in production builds only
+        new webpack.optimize.OccurenceOrderPlugin(),
+        new webpack.optimize.UglifyJsPlugin()
+    ])
+};