Switch to UglifyJS that supports ES6 and up

app/angular/package.json

@@ -70,6 +70,7 @@
     "shelljs": "^0.7.8",
     "style-loader": "^0.18.2",
     "ts-loader": "^2.2.2",
+    "uglifyjs-webpack-plugin": "^1.1.4",
     "url-loader": "^0.5.8",
     "util-deprecate": "^1.0.2",
     "uuid": "^3.1.0",

app/angular/src/server/config/webpack.config.prod.js

@@ -1,6 +1,8 @@
 import path from 'path';
 import webpack from 'webpack';
+import UglifyJsPlugin from 'uglifyjs-webpack-plugin';
 import HtmlWebpackPlugin from 'html-webpack-plugin';
+
 import babelLoaderConfig from './babel.prod';
 import { getConfigDir, includePaths, excludePaths, loadEnv, nodePaths } from './utils';
 import { getPreviewHeadHtml, getManagerHeadHtml } from '../utils';
@@ -44,15 +46,15 @@ export default function() {
         template: require.resolve('../iframe.html.ejs'),
       }),
       new webpack.DefinePlugin(loadEnv({ production: true })),
-      new webpack.optimize.UglifyJsPlugin({
-        compress: {
-          screw_ie8: true,
+      new UglifyJsPlugin({
+        parallel: true,
+        uglifyOptions: {
+          ie8: false,
+          mangle: false,
           warnings: false,
-        },
-        mangle: false,
-        output: {
-          comments: false,
-          screw_ie8: true,
+          output: {
+            comments: false,
+          },
         },
       }),
       new webpack.ContextReplacementPlugin(

app/react-native/package.json

@@ -61,6 +61,7 @@
     "react-native-iphone-x-helper": "^1.0.1",
     "shelljs": "^0.7.8",
     "style-loader": "^0.19.1",
+    "uglifyjs-webpack-plugin": "^1.1.4",
     "url-loader": "^0.6.2",
     "url-parse": "^1.1.9",
     "util-deprecate": "^1.0.2",

app/react-native/src/server/config/webpack.config.prod.js

@@ -1,5 +1,6 @@
 import path from 'path';
 import webpack from 'webpack';
+import UglifyJsPlugin from 'uglifyjs-webpack-plugin';
 import HtmlWebpackPlugin from 'html-webpack-plugin';
 import { OccurenceOrderPlugin, includePaths, excludePaths } from './utils';
 
@@ -30,17 +31,15 @@ const getConfig = options => {
       }),
       new webpack.DefinePlugin({ 'process.env.NODE_ENV': '"production"' }),
       new webpack.optimize.DedupePlugin(),
-      new webpack.optimize.UglifyJsPlugin({
-        compress: {
-          screw_ie8: true,
+      new UglifyJsPlugin({
+        parallel: true,
+        uglifyOptions: {
+          ie8: false,
+          mangle: false,
           warnings: false,
-        },
-        mangle: {
-          screw_ie8: true,
-        },
-        output: {
-          comments: false,
-          screw_ie8: true,
+          output: {
+            comments: false,
+          },
         },
       }),
     ],

app/react/package.json

@@ -72,6 +72,7 @@
     "serve-favicon": "^2.4.5",
     "shelljs": "^0.7.8",
     "style-loader": "^0.19.1",
+    "uglifyjs-webpack-plugin": "^1.1.4",
     "url-loader": "^0.6.2",
     "util-deprecate": "^1.0.2",
     "uuid": "^3.1.0",

app/react/src/server/config/webpack.config.prod.js

@@ -1,6 +1,8 @@
 import path from 'path';
 import webpack from 'webpack';
+import UglifyJsPlugin from 'uglifyjs-webpack-plugin';
 import HtmlWebpackPlugin from 'html-webpack-plugin';
+
 import babelLoaderConfig from './babel.prod';
 import { getConfigDir, includePaths, excludePaths, loadEnv, nodePaths } from './utils';
 import { getPreviewHeadHtml, getManagerHeadHtml } from '../utils';
@@ -44,15 +46,15 @@ export default function() {
         template: require.resolve('../iframe.html.ejs'),
       }),
       new webpack.DefinePlugin(loadEnv({ production: true })),
-      new webpack.optimize.UglifyJsPlugin({
-        compress: {
-          screw_ie8: true,
+      new UglifyJsPlugin({
+        parallel: true,
+        uglifyOptions: {
+          ie8: false,
+          mangle: false,
           warnings: false,
-        },
-        mangle: false,
-        output: {
-          comments: false,
-          screw_ie8: true,
+          output: {
+            comments: false,
+          },
         },
       }),
     ],

app/vue/package.json

@@ -66,6 +66,7 @@
     "serve-favicon": "^2.4.5",
     "shelljs": "^0.7.8",
     "style-loader": "^0.19.1",
+    "uglifyjs-webpack-plugin": "^1.1.4",
     "url-loader": "^0.6.2",
     "util-deprecate": "^1.0.2",
     "uuid": "^3.1.0",

app/vue/src/server/config/webpack.config.prod.js

@@ -1,6 +1,8 @@
 import path from 'path';
 import webpack from 'webpack';
+import UglifyJsPlugin from 'uglifyjs-webpack-plugin';
 import HtmlWebpackPlugin from 'html-webpack-plugin';
+
 import babelLoaderConfig from './babel.prod';
 import { getConfigDir, includePaths, excludePaths, loadEnv, nodePaths } from './utils';
 import { getPreviewHeadHtml, getManagerHeadHtml } from '../utils';
@@ -44,15 +46,15 @@ export default function() {
         template: require.resolve('../iframe.html.ejs'),
       }),
       new webpack.DefinePlugin(loadEnv({ production: true })),
-      new webpack.optimize.UglifyJsPlugin({
-        compress: {
-          screw_ie8: true,
+      new UglifyJsPlugin({
+        parallel: true,
+        uglifyOptions: {
+          ie8: false,
+          mangle: false,
           warnings: false,
-        },
-        mangle: false,
-        output: {
-          comments: false,
-          screw_ie8: true,
+          output: {
+            comments: false,
+          },
         },
       }),
     ],

yarn.lock

@@ -13661,7 +13661,7 @@ uglifyjs-webpack-plugin@^0.4.6:
     uglify-js "^2.8.29"
     webpack-sources "^1.0.1"
 
-uglifyjs-webpack-plugin@~1.1.2:
+uglifyjs-webpack-plugin@^1.1.4, uglifyjs-webpack-plugin@~1.1.2:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.1.4.tgz#e43ad6e736c315024eb99481a7cc9362d6a066be"
   dependencies: