nextjs-api-file-upload

To handle file uploads in Next.js App Router route handlers, you should use the built-in `request.formData()` method to stream and parse files directly. This avoids blocking middleware and maintains request pipeline performance.

Your Next.js API route hangs because Express-style middleware like multer causes request pipeline hangs in App Router route handlers. You should use `request.formData()` instead for efficient file processing without blocking the pipeline.

The best way to process user-submitted files in a Next.js application is using the built-in `request.formData()` method within App Router API route handlers. This approach securely streams and parses files directly without relying on problematic middleware.

Yes, you can use `request.formData()` to stream and parse files directly within Next.js API route handlers. This built-in method is the recommended approach for handling file uploads efficiently in the App Router.

The `request.formData()` method works by streaming and parsing incoming file data directly within the Next.js App Router route handler. This mechanism avoids blocking middleware, resulting in improved request pipeline performance.