expo-preview.yml

name: Expo Preview
on:
  pull_request:
    types: [labeled, opened, reopened, synchronize]

jobs:
  publish:
    name: Install and publish
    if: contains(github.event.pull_request.labels.*.name, 'preview')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-node@v1
        with:
          node-version: 14.x
      - uses: expo/expo-github-action@v5
        with:
          expo-version: 4.x
          expo-token: ${{ secrets.EXPO_TOKEN }}

      - name: Install dependencies
        run: yarn install --frozen-lockfile
        working-directory: ./example

      - name: Publish Expo app
        run: expo publish --release-channel=pr-${{ github.event.number }}
        working-directory: ./example
        env:
          EXPO_USE_DEV_SERVER: true

      - name: Get expo link
        id: expo
        run: echo "::set-output name=path::@pedrobern/react-native-collapsible-tab-view-demos?release-channel=pr-${{ github.event.number }}"

      - name: Comment on PR
        uses: actions/github-script@v2
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            const body = 'The Expo app for the example from this branch is ready!\n\n[expo.io/${{ steps.expo.outputs.path }}](https://expo.io/${{ steps.expo.outputs.path }})\n\n<a href="https://expo.io/${{ steps.expo.outputs.path }}"><img src="https://api.qrserver.com/v1/create-qr-code/?size=400x400&data=exp://exp.host/${{ steps.expo.outputs.path }}" height="200px" width="200px"></a>';
            const comments = await github.issues.listComments({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
            });
            if (comments.data.some(comment => comment.body === body)) {
              return;
            }
            github.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body
            })