name: CI Node.js

on:
  push:
    branches: [ main ]
  pull_request:

jobs:
  test:
    name: Node.js ${{ matrix.node-version }} on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest]
        node-version: [
          '4',
          '5',
          '6',
          '7',
          '8',
          '9',
          '10',
          '11',
          '12',
          '13',
          '14',
          '15',
          '16',
          '17',
          '18',
          '19',
          '20',
          '21',
          '22',
          '23',
          '24',
          '25'
        ]

    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Setup Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v4
      with:
        node-version: ${{ matrix.node-version }}
        cache: 'npm'

    # This is due to bugs in npm 3’s handling of newer package formats.  
    - name: Use npm@3.10.10 for Node@5
      if: matrix.node-version == '5'
      run: npm install -g npm@3.10.10

    - name: Install dependencies
      run: npm install
      
    - name: Run Validate
      run: npm run validate