name: Release
on:
  push: 
    branches:
      - master

jobs:
  check-version:
    outputs:
      package-version: ${{ steps.set-version.outputs.package-version-from-json }}
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@v1
    - name: Set version
      id: set-version
      run: |
        PACKAGEJSON_VER=v$(cat package.json | jq -r '.version')
        echo "::set-output name=package-version-from-json::$PACKAGEJSON_VER"
      
  create-release:
    needs: check-version
    if: success()
    runs-on: ubuntu-latest
    steps:
    - name: Create Release
      id: create_release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ needs.check-version.outputs.package-version }}
        release_name: Release ${{ needs.check-version.outputs.package-version }}
        draft: false
        prerelease: false