I think this has more todo with ad-hoc programing without any guide lines than something inherent to Next.js. If you adopt a basic folder structure to place mod

I think this has more todo with ad-hoc programing without any guide lines than something inherent to Next.js. If you adopt a basic folder structure to place models, interfaces, routes and what not in, I don't see how things can become super messy. Using Typescript can help to more easily navigate the code base.