name: 'Tests: node.js'

on: [pull_request, push]

jobs:
  matrix:
    runs-on: ubuntu-latest
    outputs:
      latest: ${{ steps.set-matrix.outputs.requireds }}
      minors: ${{ steps.set-matrix.outputs.optionals }}
    steps:
      - uses: ljharb/actions/node/matrix@main
        id: set-matrix
        with:
          preset: '>=4'

  latest:
    needs: [matrix]
    name: 'latest minors'
    runs-on: ubuntu-latest

    strategy:
      matrix: ${{ fromJson(needs.matrix.outputs.latest) }}

    steps:
      - uses: actions/checkout@v2
      - uses: ljharb/actions/node/run@main
        name: 'npm install && npm run tests-only'
        with:
          node-version: ${{ matrix.node-version }}
          command: 'tests-only'
  minors:
    needs: [matrix, latest]
    name: 'non-latest minors'
    continue-on-error: true
    if: ${{ !github.head_ref || !startsWith(github.head_ref, 'renovate') }}
    runs-on: ubuntu-latest

    strategy:
      matrix: ${{ fromJson(needs.matrix.outputs.minors) }}

    steps:
      - uses: actions/checkout@v2
      - uses: ljharb/actions/node/run@main
        with:
          node-version: ${{ matrix.node-version }}
          command: 'tests-only'

  node:
    name: 'node 4+'
    needs: [latest, minors]
    runs-on: ubuntu-latest
    steps:
      - run: 'echo tests completed'