ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: ci-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

permissions:
  contents: read

jobs:
  check:
    timeout-minutes: 20
    strategy:
      # Without this, the first failing leg cancels the others: the last three red
      # runs on main show macOS failed and Windows/Linux `cancelled`, so there is no
      # record of whether the other two platforms were fine. Keep every leg reporting.
      fail-fast: false
      matrix:
        os: [windows-latest, macos-latest, ubuntu-latest]

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

    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Set up Node.js
        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
        with:
          node-version: '22'
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Start Xvfb (Ubuntu only)
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y xvfb
          export DISPLAY=:99
          sudo Xvfb :99 -screen 0 1920x1080x24 > /dev/null 2>&1 &

      - name: Verify
        run: npm run check
        env:
          DISPLAY: ':99.0'

      # One platform is enough: the dependency tree is the same everywhere, and this should report a
      # newly disclosed advisory rather than three copies of it. Kept out of `npm run check` so a
      # published advisory never blocks local development on an unrelated change.
      - name: Audit dependencies
        if: runner.os == 'Linux'
        run: npm run audit