chore: disable UglifyJs for package builds

Author: fritz-c

webpack.config.js

@@ -45,16 +45,7 @@ const config = {
   },
   devtool: 'source-map',
   plugins: [
-    new webpack.EnvironmentPlugin({ NODE_ENV: 'development' }),
-    new webpack.optimize.OccurrenceOrderPlugin(),
-    new webpack.optimize.UglifyJsPlugin({
-      compress: {
-        warnings: false,
-      },
-      mangle: false,
-      beautify: true,
-      comments: true,
-    }),
+    new webpack.EnvironmentPlugin({ NODE_ENV: 'production' }),
   ],
   module: {
     rules: [
@@ -88,7 +79,7 @@ switch (target) {
     ];
     break;
   case 'development':
-    config.devtool = 'eval';
+    config.devtool = 'eval-source-map';
     config.module.rules.push({
       test: /\.(jpe?g|png|gif|ico|svg)$/,
       use: [fileLoader],