To reduce/remove tech debt from my code, the only patterns i found helpful is: Separation of concern: The chunks of files/codes that work or removed together.

To reduce/remove tech debt from my code, the only patterns i found helpful is: Separation of concern: The chunks of files/codes that work or removed together. One typical example in real world is React Hook. By moving boring stuff into a folder called "hooks", we centralize concerns into its own file, so that we could manage them effectively, or we don't need to think about it anymore.