While working on a project of mine, I needed a way to provide fully functional pages while staying out of the users way and being fully upgradeable without affecting the users code.

This is an experiment that was mocked up in a weekend with the help of chatgpt, but think it's a really cool concept and can be very useful.

Create your nextjs layouts and routes in a single file.

Check it out https://github.com/1upsaas/1uprouter