Comment by DangitBobby
5 days ago
You still end up separating frontend and backend in full js codebases, but it's not as explicit and can lead to wacky/confusing/unpredictable behavior if you get it wrong. I've never found a perfect solution to the frontend/backend boundary but I've found a mix of declarative container type libraries (pydantic on backend, TypeBox on frontend) with some code generation is a good solution.
I work in a place where it's proper to wait for a month, get the openapi spec thrown over the fence from the backend team and generate my typescript RPC out of it. The upside is I don't get paged at 4 in the morning if the thing gets into a bad mood and starts doing increased 5xx at increased rate.