deploy_preview_forks.yml

name: Deploy Preview (fork)
on:
  pull_request_target:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    # target repository for pull_request is different from source repository
    if: ${{ github.repository != github.event.pull_request.head.repo.full_name }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: 'npm'
      - name: Install dependencies
        run: npm ci
      - name: Build docs preview
        run: npm run build:docs:preview
      - uses: actions/upload-pages-artifact@v3
        with:
          name: github-pages
          path: docs/public

  deploy-preview:
    if: ${{ github.repository != github.event.pull_request.head.repo.full_name }}
    needs: build
    permissions:
      pages: write
      id-token: write
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    outputs:
      deployment_url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4
        with:
          preview: true