Fix middleware at root in standalone mode

vercel · Jan 6, 2022 · 44f0c57 · 44f0c57
1 parent 52d5adf
commit 44f0c57
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/next/build/utils.ts b/packages/next/build/utils.ts
@@ -1207,7 +1207,7 @@ export async function copyTracedFiles(
   for (const page of pageKeys) {
     if (MIDDLEWARE_ROUTE.test(page)) {
       const { files } =
-        middlewareManifest.middleware[page.replace(/\/_middleware$/, '')]
+        middlewareManifest.middleware[page.replace(/\/_middleware$/, '') || '/']
 
       for (const file of files) {
         const originalPath = path.join(distDir, file)