webpack: production settings (#1226)

* vendor libraries

* vendor libraries settings

* additional vendor libs settings

* production settings for i18n

* fix pdfs and favicon paths

* readme update

* code cleanup

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

@@ -1,6 +1,7 @@
 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');
 
@@ -21,18 +22,66 @@ module.exports = webpackMerge(commonConfig, {
   },
 
   plugins: [
-    new webpack.NoErrorsPlugin(),
-    new webpack.optimize.DedupePlugin(),
-    new webpack.optimize.UglifyJsPlugin({ // https://github.com/angular/angular/issues/10618
-      mangle: {
-        keep_fnames: true
-      }
-    }),
-    new ExtractTextPlugin('[name].[hash].css'),
+    // 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({ // https://github.com/angular/angular/issues/10618
+      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: 'custom-translation',
+            from: '**/*.json',
+            to: 'i18n/custom-translation'
+        },
+        // Copy i18n folders for all modules with ng2-alfresco- prefix
+        {
+            context: 'node_modules',
+            from: 'ng2-alfresco-*/dist/src/i18n/*.json',
+            to: 'node_modules'
+        },
+        // Copy i18n folders for all modules with ng2-activiti- prefix
+        {
+            context: 'node_modules',
+            from: 'ng2-activiti-*/dist/src/i18n/*.json',
+            to: 'node_modules'
+        }
+    ])
   ]
 });