Next.js App Router Generator: Six File Templates
Create TypeScript or JavaScript page, layout, loading, error, template and not-found starters with server/client boundary checks.
Enabling local controls…
Generator settings
App Router / Promise params starter. Layout is nested; root layout still needs html/body. Static params example belongs at app/[slug]/page. Error boundaries are always client components.
Source controls reviewed: 2026-10-18. UD5
Preview and complete output
Configure fields and generate, or load an example.
How to use this tool
Choose files and language. Enable server-only metadata, async or example slug static params where needed, generate and export each file or the whole text bundle.
When not to use it
Targets the App Router with Promise params. Layout is nested; a root layout still needs html/body. Static params use an example [slug] route. No project is created or built here.