clean install

web/themes/gin/webpack.config.build.js

@@ -0,0 +1,26 @@
+const { merge } = require('webpack-merge');
+const webpackConfig = require('./webpack.config');
+const TerserPlugin = require('terser-webpack-plugin');
+
+module.exports = merge(webpackConfig, {
+  mode: 'development',
+  devtool: false,
+  optimization: {
+    minimize: true,
+    minimizer: [
+      new TerserPlugin({
+        terserOptions: {
+          compress: {},
+          mangle: false,
+          module: true,
+          format: {
+            beautify: true,
+            comments: false,
+            indent_level: 2,
+          },
+        },
+        extractComments: false,
+      })
+    ],
+  }
+});