Add _document and _app pre-import (#23261)

* Add _document and _app pre-import Co-authored-by: JJ Kasper <jj@jjsweb.site>
vercel · Feb 10, 2022 · 4634356 · 4634356
1 parent abf9f75
commit 4634356
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/packages/next/server/next-server.ts b/packages/next/server/next-server.ts
@@ -128,6 +128,17 @@ export default class NextNodeServer extends BaseServer {
         })
       )
     }
+
+    if (!this.renderOpts.dev) {
+      // pre-warm _document and _app as these will be
+      // needed for most requests
+      loadComponents(this.distDir, '/_document', this._isLikeServerless).catch(
+        () => {}
+      )
+      loadComponents(this.distDir, '/_app', this._isLikeServerless).catch(
+        () => {}
+      )
+    }
   }
 
   private compression =