name: Pages

# Deploy the tutorial web app (tutorial/public/) to GitHub Pages as a static
# site. The page detects the missing transpile backend and degrades gracefully
# — reading chapters and loading examples into the editor work; live
# transpilation needs the local dev server (tutorial/, `npm start`).

on:
  push:
    branches: [main]
    paths:
      - 'tutorial/public/**'
      - '.github/workflows/pages.yml'
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: pages
  cancel-in-progress: true

jobs:
  deploy:
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - uses: actions/checkout@v6

      - name: Configure Pages
        uses: actions/configure-pages@v6
        with:
          enablement: true

      - name: Upload tutorial site
        uses: actions/upload-pages-artifact@v5
        with:
          path: tutorial/public

      - name: Deploy
        id: deployment
        uses: actions/deploy-pages@v5