name: CI
on: [push]
jobs:
  build:

    runs-on: ${{ matrix.operating-system }}

    strategy:
      max-parallel: 6
      matrix:
        operating-system: [ubuntu-latest, windows-latest, macOS-latest]
        node-version: [10.x, 12.x, 13.x]

    name: ${{ matrix.operating-system }} - ${{ matrix.node-version }}

    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 and test
      run: |
        npm ci
        npm test
      env:
        CI: true