ci.yml

name: CI

on: [push, pull_request]

jobs:
  test:
    name: Test on Node.js # GitHub will add ${{ matrix.node-version }} to this title
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [16, 14, 12, 10, 8, 6]
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v2-beta
        with:
          node-version: ${{ matrix.node-version }}
      - run: npm install
      - name: Downgrade dev dependencies for Node <= 12
        if: matrix.node-version == '6' || matrix.node-version == '8' || matrix.node-version == '10' || matrix.node-version == '12'
        run: |
          npm uninstall karma karma-jasmine jsdom karma-jsdom-launcher jasmine-core
          npm install --save-dev karma@3 karma-jasmine@2 jsdom@11 karma-jsdom-launcher@9 jasmine-core@3
      - run: npm test