release.yml

name: Auto Tag on PR Merge

on:
  pull_request:
    types: [closed]
    branches: [main]

jobs:
  tag:
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: 🛎️ Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: 📋 Read version from package.json
        id: version
        run: echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT

      - name: 🔍 Check if tag already exists
        id: tag_check
        run: |
          if git rev-parse "v${{ steps.version.outputs.version }}" >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi

      - name: 🏷️ Create and push tag
        if: steps.tag_check.outputs.exists == 'false'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag "v${{ steps.version.outputs.version }}"
          git push origin "v${{ steps.version.outputs.version }}"