CI workflow (less/less.js)

# Github actions workflow name

name: CI



# Triggers the workflow on push or pull request events

on:

  push:

    branches: [main, master]

  pull_request:

    branches: [main, master]



concurrency:

  group: ${{ github.workflow }}-${{ github.ref }}

  cancel-in-progress: true



jobs:

  test:

    timeout-minutes: 30

    name: 'Tests on ${{matrix.os}} with Node "${{matrix.node}}"'

    strategy:

      fail-fast: false

      matrix:

        # Test all mainstream operating systems

        os: [ubuntu-latest, macos-latest, windows-latest]

        node: ['current']

        include:

          - os: ubuntu-latest

            node: 'lts/*'

          - os: ubuntu-latest

            node: 'lts/-1'

          - os: ubuntu-latest

            node: 'lts/-2'

          - os: ubuntu-latest

            node: 'lts/-3'



    runs-on: ${{ matrix.os }}

    # This has copy/paste steps and should be refactored using DRY

    steps:

      - uses: actions/checkout@v4

      - name: Install pnpm

        uses: pnpm/action-setup@v4

      - uses: actions/setup-node@v4

        with:

          node-version: ${{ matrix.node }}

          cache: 'pnpm'

      - name: Install dependencies

        run: pnpm install --frozen-lockfile --ignore-scripts

      - name: Print put node & npm version

        run: node --version && pnpm --version

      - name: Run node tests (ESM + CJS)

        run: pnpm run test:node



  copilot-review:

    timeout-minutes: 30

    name: Request Copilot review

    runs-on: latchkey-small

    continue-on-error: true

    if: github.event_name == 'pull_request' && (github.event.action == 'opened' || github.event.action == 'reopened')

    permissions:

      pull-requests: write

    steps:

      - name: Request Copilot review

        env:

          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

        run: |

          gh api \

            --method POST \

            -H "Accept: application/vnd.github+json" \

            /repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers \

            -f "reviewers[]=copilot-pull-request-reviewer" \

          || echo "::warning::Could not request Copilot review (the token may lack pull-requests: write access, or Copilot PR reviews may not be enabled for this repository)"