fix(build): add react minification support

Fix angular#2110
Close angular#2754

Author: filipesilva

packages/angular-cli/models/webpack-build-common.ts

@@ -139,6 +139,7 @@ export function getWebpackCommonConfig(
       crypto: 'empty',
       tls: 'empty',
       net: 'empty',
+      process: true,
       module: false,
       clearImmediate: false,
       setImmediate: false

packages/angular-cli/models/webpack-build-development.ts

@@ -8,15 +8,6 @@ export const getWebpackDevConfigPartial = function(projectRoot: string, appConfi
       filename: '[name].bundle.js',
       sourceMapFilename: '[name].map',
       chunkFilename: '[id].chunk.js'
-    },
-    node: {
-      fs: 'empty',
-      global: true,
-      crypto: 'empty',
-      process: true,
-      module: false,
-      clearImmediate: false,
-      setImmediate: false
     }
   };
 };

packages/angular-cli/models/webpack-build-production.ts

@@ -24,6 +24,9 @@ export const getWebpackProdConfigPartial = function(projectRoot: string, appConf
     },
     plugins: [
       new WebpackMd5Hash(),
+      new webpack.DefinePlugin({
+        'process.env.NODE_ENV': JSON.stringify('production')
+      }),
       new webpack.optimize.UglifyJsPlugin(<any>{
         mangle: { screw_ie8 : true },
         compress: { screw_ie8: true },
@@ -54,15 +57,6 @@ export const getWebpackProdConfigPartial = function(projectRoot: string, appConf
           ]
         }
       })
-    ],
-    node: {
-      fs: 'empty',
-      global: true,
-      crypto: 'empty',
-      process: true,
-      module: false,
-      clearImmediate: false,
-      setImmediate: false
-    }
+    ]
   };
 };

packages/angular-cli/models/webpack-build-test.js

@@ -111,8 +111,10 @@ const getWebpackTestConfig = function (projectRoot, environment, appConfig) {
     node: {
       fs: 'empty',
       global: true,
-      process: false,
       crypto: 'empty',
+      tls: 'empty',
+      net: 'empty',
+      process: true,
       module: false,
       clearImmediate: false,
       setImmediate: false