GUI extension Yeoman generator

Change-Id: If6b3fae44e4ee8a7bde36600cdc71d54d49fbf6e
(cherry picked from commit 3ca3e2086046a61b3f58813e7cb9052a600e2323)
diff --git a/generator-xos-gui-extension/generators/templates/conf/webpack.conf.js b/generator-xos-gui-extension/generators/templates/conf/webpack.conf.js
new file mode 100755
index 0000000..d70e771
--- /dev/null
+++ b/generator-xos-gui-extension/generators/templates/conf/webpack.conf.js
@@ -0,0 +1,117 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+const webpack = require('webpack');
+const conf = require('./gulp.conf');
+const path = require('path');
+
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+const autoprefixer = require('autoprefixer');
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+const env = process.env.NODE_ENV || 'production';
+const brand = process.env.BRAND || 'cord';
+
+module.exports = {
+  module: {
+    preLoaders: [
+      {
+        test: /\.ts$/,
+        exclude: /node_modules/,
+        loader: 'tslint'
+      }
+    ],
+
+    loaders: [
+      {
+        test: /.json$/,
+        loaders: [
+          'json'
+        ]
+      },
+      {
+        test: /\.(css|scss)$/,
+        loaders: [
+          'style',
+          'css',
+          'sass',
+          'postcss'
+        ]
+      },
+      {
+        test: /\.ts$/,
+        exclude: /node_modules/,
+        loaders: [
+          'ng-annotate',
+          'ts'
+        ]
+      },
+      {
+        test: /.html$/,
+        loaders: [
+          'html?' + JSON.stringify({
+            attrs: ["img:src", "img:ng-src"]
+          })
+        ]
+      },
+      {
+        test: /\.(png|woff|woff2|eot|ttf|svg|jpg|gif|jpeg)$/,
+        loader: 'url-loader?limit=100000'
+      }
+    ]
+  },
+  plugins: [
+    new CopyWebpackPlugin([
+      { from: `./conf/app/app.config.${env}.js`, to: `app.config.js` },
+      { from: `./conf/app/style.config.${brand}.js`, to: `style.config.js` },
+    ]),
+    new webpack.optimize.OccurrenceOrderPlugin(),
+    new webpack.NoErrorsPlugin(),
+    new HtmlWebpackPlugin({
+      template: conf.path.src('index.html')
+    })
+  ],
+  postcss: () => [autoprefixer],
+  debug: true,
+  devtool: 'source-map',
+  output: {
+    path: path.join(process.cwd(), conf.paths.tmp),
+    filename: 'index.js'
+  },
+  resolve: {
+    extensions: [
+      '',
+      '.webpack.js',
+      '.web.js',
+      '.js',
+      '.ts'
+    ]
+  },
+  entry: `./${conf.path.src('index')}`,
+  ts: {
+    configFileName: 'tsconfig.json'
+  },
+  tslint: {
+    configuration: require('../tslint.json')
+  },
+  stats: {
+    colors: true,
+    modules: true,
+    reasons: true,
+    errorDetails: true
+  }
+};