I am mistaken. Yeah bun does not typescheck like esbuild doesn't. It reads the tsconfig for build options. Either you add tsc or let your editor do it.

That's my understanding, too.

> Bun can run .js, .ts, .cjs, .mjs, .jsx, and .tsx files, which can replace: > > tsc — (but you can keep it for typechecking!)