name: "Main"

on: [push, pull_request]

jobs:
  lint:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [windows-latest, ubuntu-latest, macos-latest]
    name: Test on ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-node@v2
        with:
          node-version: "14"
      - run: /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 & echo "Started xvfb"
        shell: bash
        if: ${{ success() && matrix.os == 'ubuntu-latest' }}
      - run: npm install
      - name: Cache node modules
        uses: actions/cache@v2
        env:
          cache-name: cache-node-modules
        with:
          # npm cache files are stored in `~/.npm` on Linux/macOS
          path: ~/.npm
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-
      - run: npm run lint
        env:
          DISPLAY: ":99.0"