name: node-js-ci

on:
  pull_request:
    branches:
      - master
  push:
    branches:
      - master

jobs:
  build:
    runs-on: ${{matrix.os}}

    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        node-version: [12.x, 14.x, 15.x]

    steps:
      - uses: actions/checkout@v2
      - 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.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-

      - name: Test
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}

      - run: npm install
      - run: npm test