add-pr-demo.yml

name: Add PR Demo

on:
  pull_request:
    types: [opened, synchronize]

jobs:
  add-pr-demo:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set-up node
        uses: actions/setup-node@v2
        with:
          node-version: 16

      - name: Build
        run: |
          npm ci
          npm run build-prod
          npm run build-csp
          npm run build-dev
          npm run build-css
          npm run build-benchmarks
          npm run generate-typings
          cp test/integration/pr-demo/index.html dist/index.html

      - name: Empty postinstall.js
        run: |
          echo "// empty in published package" > postinstall.js

      - name: Write dist/package.json
        run: |
          echo "{ \"type\": \"commonjs\" }" > dist/package.json
    
      - name: Deploy
        uses: JamesIves/github-pages-deploy-action@4.1.0
        with:
          branch: gh-pages
          folder: dist
          target-folder: pulls/${{ github.event.number }}

      - name: Add comment
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: pr-demo
          message: |
            Uploaded [build output](https://github.com/wipfli/maplibre-gl-js/tree/gh-pages/pulls/${{ github.event.number }}) and created a [live demo](https://maplibre.org/maplibre-gl-js/pulls/${{ github.event.number }}).