setup-pre-commit

Setup Pre-Commit

Sets up Husky + lint-staged + Prettier + optional type/test scripts.

Steps

1. Detect package manager from lockfile. Default npm if unclear.
2. Install dev deps: husky lint-staged prettier.
3. Init Husky (husky init using detected package runner).
4. Write .husky/pre-commit:

<pm> lint-staged
<pm> run typecheck   # only if script exists
<pm> run test        # only if script exists

5. Create .lintstagedrc:

{"*":"prettier --ignore-unknown --write"}

6. Create .prettierrc only if no Prettier config exists.
7. Verify hook executable, prepare script present, lint-staged works.