added webpack to keep function names untouched when bundling

nextjs-ecommerce-oneclick/next.config.js

@@ -0,0 +1,22 @@
+// next.config.js
+const TerserPlugin = require('terser-webpack-plugin');
+
+module.exports = {
+  future: {
+    webpack5: true,
+  },
+  webpack: function (config) {
+    Object.assign(config.optimization, {
+      minimize: false,
+      minimizer: [
+        new TerserPlugin({
+          terserOptions: {
+            keep_fnames: true, // don't strip function names in production
+          },
+        }),
+      ],
+    });
+
+    return config;
+  },
+};