name: Build
on:
  pull_request:
  push:
    branches:
      - 'master'
    tags: '*'
concurrency:
  # Skip intermediate builds: all builds except for builds on the `master` branch
  # Cancel intermediate builds: only pull request builds
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.ref != 'refs/heads/master' || github.run_number }}
  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
permissions:
  contents: read
jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 20
    strategy:
      fail-fast: false
    steps:
      - uses: actions/checkout@v3
        with:
          persist-credentials: false
      - uses: actions/setup-node@v3
        with:
          node-version: '16'
      - run: rm -rf node_modules
      - run: yarn install --frozen-lockfile
      - run: npm run build
      - run: git status
      - name: "Make sure that the working directory is clean"
        shell: bash
        run: | 
          if [[ -z "$(git status --porcelain)" ]]; then 
            echo "The working directory is clean"
          else 
            echo "The working directory is dirty"
            exit 1
          fi