VercelPreview.yaml

name: Vercel Preview Deployment
on:
  pull_request:
    branches:
      - main
jobs:
  checkLabels:
    runs-on: ubuntu-latest
    outputs:
      output1: ${{ steps.labels.outputs.json }}
    permissions: write-all
    steps:
      - uses: actions/checkout@v4
      - name: Get PR labels
        id: labels
        shell: bash
        env:
          GH_REPO: ${{ github.repository }}
          GH_TOKEN: ${{ github.token }}
          PR_NUMBER: ${{ github.event.number }}
        run: |
          json=$(gh pr view "$PR_NUMBER" --json labels | jq -c '.labels|map(.name)')
          echo "json=$json" >> "$GITHUB_OUTPUT"
      - name: Comment on PR
        if: ${{ contains(fromJSON(steps.labels.outputs.json), 'dependencies') || contains(fromJSON(steps.labels.outputs.json), 'documentation') || contains(fromJSON(steps.labels.outputs.json), 'duplicate') || contains(fromJSON(steps.labels.outputs.json), 'devtool') }}
        run: |
          cat  << EOF > comment.md
          ## :rocket: Preview Deployment
          Deployment skipped due to label(s) - dependencies, documentation, duplicate
          EOF
          gh pr comment ${{ github.event.number }} --body-file comment.md
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  deployment:
    needs: checkLabels
    if: ${{ !(contains(fromJSON(needs.checkLabels.outputs.output1), 'dependencies') || contains(fromJSON(needs.checkLabels.outputs.output1), 'documentation') || contains(fromJSON(needs.checkLabels.outputs.output1), 'duplicate') || contains(fromJSON(needs.checkLabels.outputs.output1), 'devtool') ) }}
    runs-on: ubuntu-latest
    concurrency: Preview
    environment:
      name: Preview
      url: ${{ steps.get_release_url.outputs.release_url }}
    steps:
      - uses: actions/checkout@v4
      - name: Get PR labels
        id: labels
        shell: bash
        env:
          GH_REPO: ${{ github.repository }}
          GH_TOKEN: ${{ github.token }}
          PR_NUMBER: ${{ github.event.number }}
        run: |
          json=$(gh pr view "$PR_NUMBER" --json labels | jq -c '.labels|map(.name)')
          echo "json=$json" >> "$GITHUB_OUTPUT"
      - name: Install Vercel CLI
        run: npm install -g vercel
      - name: Link Vercel Project
        run: vercel link --token=${{secrets.VERCEL_TOKEN}} --project ${{vars.VERCEL_PROJECT}} --yes
      - name: Deploy with Vercel
        run: vercel deploy --target=staging -f --token=${{secrets.VERCEL_TOKEN}} >deployment-url.txt 2>error.txt
      - name: Set release url
        id: get_release_url
        run: echo release_url=$(cat deployment-url.txt) >> $GITHUB_OUTPUT
      - name: Comment on PR
        run: |
          cat  << EOF > comment.md
          ## :rocket: Preview Deployment
          [Preview Deployment](${{ steps.get_release_url.outputs.release_url }})
          EOF
          gh pr comment ${{ github.event.number }} --body-file comment.md
        env:
          GITHUB_TOKEN: ${{ github.token }}
      - name: Comment on PR
        if: failure()
        run: |
          cat  << EOF > comment.md
          ## :warning: Un Error Occured
          Un error occured while deploying the preview. Please check the logs for more information.
          EOF
          gh pr comment ${{ github.event.number }} --body-file comment.md
          gh pr comment ${{ github.event.number }} --body-file error.txt
        env:
          GITHUB_TOKEN: ${{ github.token }}