name: Build PR
on: [pull_request]

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        node-version: [12.x]
        os: [ubuntu-latest]
    steps:
    - uses: actions/checkout@v1
    - name: Use Node.js ${{ matrix.node_version }}
      uses: actions/setup-node@v1
      with:
        node-version: ${{ matrix.node_version }}
    - name: npm install, build, and test
      run: |
        npm install
        npm run coverage
      env:
        CI: true
    - name: Merge PR
      if: success() && ${{ github.actor == 'dependabot[bot]' }}
      uses: "pascalgn/automerge-action@v0.14.2"
      env:
        GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
        MERGE_LABELS: "dependencies"
    - name: Reject PR
      if: failure() && ${{ github.actor == 'dependabot[bot]' }}
      uses: peter-evans/close-pull@v1
      with:
        pull-request-number: ${{github.event.number}}
        comment: PR closed due to failing tests
        delete-branch: true