Don't use variables in webpack config

next.config.mjs

@@ -13,14 +13,13 @@ const nextConfig = {
   },
   // Disable minification & chunking for debugging
   webpack(config, { dev }) {
-    const debug = true
-    config.optimization.minimize = debug
+    config.optimization.minimize = true
     config.optimization.splitChunks = {
       cacheGroups: {
-        default: debug,
+        default: true,
       },
     }
-    config.optimization.runtimeChunk = debug
+    config.optimization.runtimeChunk = true
     return config
   },
 }