GUACAMOLE-773: Migrate to NPM for AngularJS portion of webapp build.

guacamole/src/main/frontend/webpack.config.js

@@ -0,0 +1,71 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 ClosureWebpackPlugin = require('closure-webpack-plugin');
+
+module.exports = {
+
+    bail: true,
+    mode: 'production',
+
+    output: {
+        path: __dirname + '/dist',
+        filename: 'guacamole.min.js'
+    },
+
+    // Generate source maps, automatically building off any source maps
+    // generated by Gulp
+    devtool: 'source-map',
+    module: {
+        rules: [
+            {
+                test: /\.js$/,
+                enforce: 'pre',
+                use: [ 'source-map-loader' ]
+            }
+        ]
+    },
+
+    // Automatically require used modules
+    plugins: [
+        new webpack.ProvidePlugin({
+            $: 'jquery',
+            _: 'lodash',
+            angular: 'angular',
+            jstz: 'jstz',
+            Pickr: '@simonwep/pickr',
+            saveAs: 'file-saver'
+        })
+    ],
+
+    // Minify using Google Closure Compiler
+    optimization: {
+        minimizer: [
+            new ClosureWebpackPlugin({ mode: 'STANDARD' }, {
+                externs: 'externs.js',
+                languageIn: 'ECMASCRIPT6',
+                languageOut: 'ECMASCRIPT5',
+                compilationLevel: 'ADVANCED'
+            })
+        ]
+    }
+
+};
+