Speed up build (#1852)

* single build webpack

* fix demo shell test

demo-shell-ng2/config/webpack.prod.js

@@ -1,104 +1,45 @@
-var webpack = require('webpack');
-var webpackMerge = require('webpack-merge');
-var ExtractTextPlugin = require('extract-text-webpack-plugin');
-var CopyWebpackPlugin = require('copy-webpack-plugin');
-var commonConfig = require('./webpack.common.js');
-var helpers = require('./helpers');
+const webpack = require('webpack');
+const webpackMerge = require('webpack-merge');
+const ExtractTextPlugin = require('extract-text-webpack-plugin');
+const commonConfig = require('./webpack.common.js');
+const helpers = require('./helpers');
 
 const ENV = process.env.NODE_ENV = process.env.ENV = 'production';
 
 module.exports = webpackMerge(commonConfig, {
-  devtool: 'source-map',
+    devtool: 'source-map',
 
-  output: {
-    path: helpers.root('dist'),
-    publicPath: '/',
-    filename: '[name].[hash].js',
-    chunkFilename: '[id].[hash].chunk.js'
-  },
+    output: {
+        path: helpers.root('dist'),
+        publicPath: '/',
+        filename: '[name].[hash].js',
+        chunkFilename: '[id].[hash].chunk.js'
+    },
 
-  htmlLoader: {
-    minimize: false // workaround for ng2
-  },
-
-  plugins: [
-    // Define env variables to help with builds
-    // Reference: https://webpack.github.io/docs/list-of-plugins.html#defineplugin
-    new webpack.DefinePlugin({
-      'process.env': {
-        'ENV': JSON.stringify(ENV)
-      }
-    }),
-
-    // Reference: http://webpack.github.io/docs/list-of-plugins.html#noerrorsplugin
-    // Only emit files when there are no errors
-    new webpack.NoErrorsPlugin(),
-
-    // Reference: http://webpack.github.io/docs/list-of-plugins.html#dedupeplugin
-    // Dedupe modules in the output
-    new webpack.optimize.DedupePlugin(),
-
-    // Reference: http://webpack.github.io/docs/list-of-plugins.html#uglifyjsplugin
-    // Minify all javascript, switch loaders to minimizing mode
-     new webpack.optimize.UglifyJsPlugin({
-       output:{
-         comments: false
-       },
-       mangle: {
-         keep_fnames: true
-       },
-       compressor: {
-         screw_ie8: true,
-         warnings: false
-       }
-     }),
-
-    // Extract css files
-    // Reference: https://github.com/webpack/extract-text-webpack-plugin
-    // Disabled when in test mode or not in build mode
-    new ExtractTextPlugin('[name].[hash].css'),
-
-    // Copy assets from the public folder
-    // Reference: https://github.com/kevlened/copy-webpack-plugin
-    new CopyWebpackPlugin([
-        {
-            from: 'favicon-96x96.png'
-        },
-        {
-            from: 'node_modules/pdfjs-dist/build/pdf.worker.js',
-            to: 'pdf.worker.js'
-        },
-        {
-            context: 'resources/i18n',
-            from: '**/*.json',
-            to: 'resources/i18n'
-        },
-        // Copy i18n folders for all modules with ng2-alfresco- prefix
-        {
-            context: 'node_modules',
-            from: 'ng2-alfresco-*/src/i18n/*.json',
-            to: 'node_modules'
-        },
-        // Copy i18n folders for all modules with ng2-activiti- prefix
-        {
-            context: 'node_modules',
-            from: 'ng2-activiti-*/src/i18n/*.json',
-            to: 'node_modules'
-        },
-        // Copy asstes folders for all modules with ng2-activiti- prefix
-        {
-            context: 'node_modules',
-            from: 'ng2-activiti-*/src/assets/images/*.*',
-            to: 'assets/images',
-            flatten : true
-        },
-        // Copy asstes folders for all modules with ng2-alfresco- prefix
-        {
-            context: 'node_modules',
-            from: 'ng2-alfresco-*/src/assets/images/*.*',
-            to: 'assets/images',
-            flatten : true
-        }
-    ])
-  ]
+    plugins: [
+        new webpack.NoEmitOnErrorsPlugin(),
+        new webpack.optimize.UglifyJsPlugin({ // https://github.com/angular/angular/issues/10618
+            mangle: {
+                keep_fnames: true
+            },
+            compress: {
+                warnings: false
+            },
+            output: {
+                comments: false
+            },
+            sourceMap: true
+        }),
+        new ExtractTextPlugin('[name].[hash].css'),
+        new webpack.DefinePlugin({
+            'process.env': {
+                'ENV': JSON.stringify(ENV)
+            }
+        }),
+        new webpack.LoaderOptionsPlugin({
+            htmlLoader: {
+                minimize: false // workaround for ng2
+            }
+        })
+    ]
 });