formatting.yml

name: Formatting

on:
  pull_request:
  merge_group:

jobs:
  prettier:
    name: Prettier
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        # Check this is not a PR from a fork
        if: github.event.pull_request.head.repo.full_name == github.repository
        uses: actions/checkout@v6
        with:
          # Use the head ref so we can commit to the branch
          ref: ${{ github.head_ref || github.ref }}
          # We need to use a personal access token (PAT) with repo scope
          # as the default GITHUB_TOKEN won’t trigger new workflow runs if
          # a commit is made (to avoid accidental infinite recursion).
          token: ${{ secrets.AUTOLINT_TOKEN }}
      - name: Checkout
        # Checkout the default way if it is a fork
        if: github.event.pull_request.head.repo.full_name != github.repository
        uses: actions/checkout@v6
      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version-file: ".nvmrc"
      - name: Install dependencies
        run: npm ci --include=dev
      - name: Run formatter
        run: npm run lint:prettier:fix
      - name: Commit any formatting changes
        # Skip this step if it’s a fork, as we won’t have permission to commit
        if: github.event.pull_request.head.repo.full_name == github.repository
        run: |
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git config --global user.name "github-actions[bot]"
          git add --all
          git commit -m "Apply formatting" || exit 0
          git push