release.yml

name: release

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

jobs:
  
  release:

    runs-on: ubuntu-latest
    environment: production
    if: github.event.pull_request.merged
    timeout-minutes: 10
  
    steps:
  
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
        
      - name: get package version
        id: package_version
        uses: Saionaro/extract-package-version@v1.0.6

      - name: add v
        id: version
        run: echo "::set-output name=value::${{ format('v{0}', steps.package_version.outputs.version) }}"

      - name: print package version
        run: |
          echo "package version: ${{ steps.version.outputs.value }}"

      - name: get tag version
        id: tag_version
        uses: WyriHaximus/github-action-get-previous-tag@v1

      - name: print tag version
        run: |
          echo 'tag version: ${{ steps.tag_version.outputs.tag }}'

      - name: push tag
        if: ${{ steps.version.outputs.value != steps.tag_version.outputs.tag }}
        run: |
          git config user.name "${GITHUB_ACTOR}"
          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"

          git tag -a "${{ steps.version.outputs.value}}" -m "${{ steps.version.outputs.value }}: PR #${{ github.event.pull_request.number }} ${{ github.event.pull_request.title }}"
          git push origin "${{ steps.version.outputs.value}}"
      
      - name: setup node.js
        if: ${{ steps.version.outputs.value != steps.tag_version.outputs.tag }}
        uses: actions/setup-node@v2
        with:
          node-version: '18.x'
          registry-url: 'https://registry.npmjs.org'
          
      - name: npm publish
        if: ${{ steps.version.outputs.value != steps.tag_version.outputs.tag }}
        run: |
          npm ci
          npm run build
          npm publish --access public
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM }}

      - name: build release notes
        if: ${{ steps.version.outputs.value != steps.tag_version.outputs.tag }}
        id: release_notes
        uses: mikepenz/release-changelog-builder-action@v3.6.0
        env:
          GITHUB_TOKEN: ${{ github.token }}
          
      - name: create release
        if: ${{ steps.version.outputs.value != steps.tag_version.outputs.tag }}
        uses: softprops/action-gh-release@v1
        env:
          GITHUB_TOKEN: ${{ github.token }}
        with:
          tag_name: ${{ steps.version.outputs.value }}
          title: '${{ steps.version.outputs.value }}: PR #${{ github.event.pull_request.number }} ${{ github.event.pull_request.title }}'
          body: ${{steps.release_notes.outputs.changelog}}