Revert "Ensure _middleware is consistent in adapter for name/id" (#89624)

ijjk · web-flow · commit 09851e208cc6 · 2026-02-06T21:36:38.000-08:00
This is causing conflicts as the name value is relied on too much since it can differ heavily e.g. for `src` dir and if not. x-ref: https://github.com/vercel/next.js/actions/runs/21767409431/job/62826336354#step:34:240 Reverts #89559
diff --git a/packages/next/src/build/adapter/build-complete.ts b/packages/next/src/build/adapter/build-complete.ts
@@ -749,7 +749,7 @@ export async function handleBuildComplete({
               }
             })
           output.pathname = '/_middleware'
-          output.id = '/_middleware'
+          output.id = page.name
           outputs.middleware = output
         } else {
           currentOutputs.push(output)

Original file line number	Diff line number	Diff line change
`@@ -749,7 +749,7 @@ export async function handleBuildComplete({`
`749`	`749`	`}`
`750`	`750`	`})`
`751`	`751`	`output.pathname = '/_middleware'`
`752`		`- output.id = '/_middleware'`
	`752`	`+ output.id = page.name`
`753`	`753`	`outputs.middleware = output`
`754`	`754`	`} else {`
`755`	`755`	`currentOutputs.push(output)`