name: CI
on: [push, pull_request]
env:
  NODE_VERSION_USED_FOR_DEVELOPMENT: 14
jobs:
  lint:
    name: Lint source files
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2

      - name: Setup Node.js
        uses: actions/setup-node@v1
        with:
          node-version: ${{ env.NODE_VERSION_USED_FOR_DEVELOPMENT }}

      - name: Cache Node.js modules
        uses: actions/cache@v2
        with:
          path: ~/.npm
          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.OS }}-node-
      - name: Install Dependencies
        run: npm ci

      - name: Lint ESLint
        run: npm run lint

      - name: Type Check
        run: npm run check

  test:
    name: Run tests on Node v${{ matrix.node_version_to_setup }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node_version_to_setup: [12, 14, 16]
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2

      - name: Setup Node.js v${{ matrix.node_version_to_setup }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node_version_to_setup }}

      - name: Cache Node.js modules
        uses: actions/cache@v2
        with:
          path: ~/.npm
          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.OS }}-node-
      - name: Install Dependencies
        run: npm ci

      - name: Run Tests
        run: npm run testonly