feat(debug): never minify in debug mode (#629)

Author: vicb

packages/open-next/src/build/bundleNextServer.ts

@@ -42,7 +42,11 @@ const externals = [
   "next/dist/compiled/next-server",
 ];
 
-export async function bundleNextServer(outputDir: string, appPath: string) {
+export async function bundleNextServer(
+  outputDir: string,
+  appPath: string,
+  { debug = false },
+) {
   const require = createRequire(`${appPath}/package.json`);
   const entrypoint = require.resolve("next/dist/esm/server/next-server.js");
 
@@ -54,7 +58,7 @@ export async function bundleNextServer(outputDir: string, appPath: string) {
     // packages: "external",
     format: "cjs",
     external: externals,
-    minify: true,
+    minify: !debug,
     outfile: path.join(outputDir, "next-server.runtime.prod.js"),
     sourcemap: false,
     plugins: [

packages/open-next/src/build/createServerBundle.ts

@@ -134,7 +134,9 @@ async function generateBundle(
   // Bundle next server if necessary
   const isBundled = fnOptions.experimentalBundledNextServer ?? false;
   if (isBundled) {
-    await bundleNextServer(path.join(outputPath, packagePath), appPath);
+    await bundleNextServer(path.join(outputPath, packagePath), appPath, {
+      debug: options.debug,
+    });
   }
 
   // Copy middleware

packages/open-next/src/build/edge/createEdgeBundle.ts

@@ -148,7 +148,7 @@ globalThis.AsyncLocalStorage = AsyncLocalStorage;
       outfile,
       allowOverwrite: true,
       bundle: true,
-      minify: true,
+      minify: !options.debug,
       platform: "node",
       format: "esm",
       conditions: ["workerd", "worker", "browser"],