matrix.yml

# https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions#jobsjob_idstrategymatrix
name: matrix
on: [push, pull_request]

jobs:
  nodejs-versions:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node: [18, 20, 22]
    steps:
      - name: Use Node.js ${{ matrix.node }}
        uses: actions/setup-node@v6
        with:
          node-version: ${{ matrix.node }}
      - run: node --version

  collection:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        collection:
          - name: 'one'
            digit: 1
          - name: 'two'
            digit: 2
    steps:
      - run: echo ${{ matrix.collection.name }}, ${{ matrix.collection.digit }}

  array:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        array: [
          { name: 'one', digit: 1 },
          { name: 'two', digit: 2 },
        ]
    steps:
      - run: echo ${{ matrix.array.name }}, ${{ matrix.array.digit }}