lefthook.yml

pre-commit:
  parallel: true
  commands:
    lint:
      glob: "*.{js,jsx,ts,tsx}"
      run: bunx oxlint {staged_files}
    format:
      glob: "*.{js,jsx,ts,tsx,json,md,yaml,yml}"
      # --no-error-on-unmatched-pattern: don't fail when staged files all
      # fall under .prettierignore (e.g. docs-only changes to docs/docs.json).
      run: bunx oxfmt --check --no-error-on-unmatched-pattern {staged_files}
    typecheck:
      glob: "*.{ts,tsx}"
      run: cd packages/core && bunx tsc --noEmit && cd ../studio && bunx tsc --noEmit
    # Mirrors the CI gate (same `--base origin/main` so the local hook can't
    # pass on a branch CI would fail). Audits the working tree, which means
    # unstaged WIP in `packages/**` is part of the diff — stash before
    # committing if that surprises you. `--gate new-only` (the default) only
    # fails on issues introduced by the branch, not inherited findings.
    fallow:
      glob: "packages/**/*.{ts,tsx,mts,cts,js,jsx,mjs,cjs}"
      run: bunx fallow audit --base origin/main --fail-on-issues
    filesize:
      # Scoped to packages/studio — the 500 LOC limit is a studio architecture
      # standard enforced as part of the App.tsx decomposition work. Player and
      # other packages enforce size discipline via code review and convention.
      # Files temporarily over the limit are listed in .filesize-allowlist.
      glob: "packages/studio/**/*.{ts,tsx}"
      exclude: "(\\.test\\.(ts|tsx)$|\\.generated\\.)"
      run: |
        for f in {staged_files}; do
          if grep -qxF "$f" .filesize-allowlist 2>/dev/null; then continue; fi
          lines=$(wc -l < "$f")
          if [ "$lines" -gt 500 ]; then
            echo "ERROR: $f has $lines lines (max 500) — add to .filesize-allowlist if temporarily needed"
            exit 1
          fi
        done

commit-msg:
  commands:
    commitlint:
      run: bunx commitlint --edit "{1}"