code-style.yaml

name: Ensure source code is properly formatted

on: pull_request

permissions:
  contents: write
  pull-requests: write

jobs:
  style:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}

      - uses: actions/setup-node@v3
        with:
          node-version: "16.x"

      - name: Keep npm cache around to speed up installs
        uses: actions/cache@v3
        with:
          path: ~/.npm
          key: ${{ runner.OS }}-build-${{ hashFiles('**/package-lock.json') }}

      - name: Install dependencies
        run: npm ci

      - name: Compile TypeScript
        run: npx tsc

      - name: Check source code with eslint
        run: npx eslint --fix --ext .js,.ts,.jsx,.tsx 'src/**'

      - name: Format source code with prettier
        run: npx prettier --write ./

      - name: Commit changes
        run: |
          if ! git diff --exit-code --name-only; then
            echo "machine github.com login accesskey password ${{ secrets.GITHUB_TOKEN }}" > ~/.netrc
            git config --global user.email "actions@example.com"
            git config --global user.name "github-actions[bot]"
            git add -A
            git commit -m "style: auto-format source code"
            git push origin HEAD:${{ github.event.pull_request.head.ref }}
          fi