deploy-pr-preview.yml

# .github/workflows/preview.yml
name: Deploy PR preview
concurrency: preview-${{ github.ref }}
on:
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
      - closed
jobs:
  deploy-preview:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - run: npm i && npm run build && npm i --prefix docs/ && npm run buildDocs --prefix docs/
        if: github.event.action != 'closed'
      - uses: rossjrw/pr-preview-action@v1
        with:
          source-dir: ./docs/public
          preview-branch: gh-pages
          umbrella-dir: pr-preview
          action: auto