release.yml

name: Release SDK if needed

on:
  pull_request:
    branches: main
    types: closed

jobs:
  release:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.head.ref, 'release/')
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Setup Node
        uses: actions/setup-node@v2
        with:
          node-version: '12.x'
          registry-url: 'https://registry.npmjs.org'
      - run: npm install
      - name: Publish to npm
        run: npm publish
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
      - name: Create Release tag
        id: create-tag
        env:
          PR_REF: ${{ github.event.pull_request.head.ref }}
        run: |
          release_tag=$(echo "$PR_REF" | cut -d "/" -f2)
          echo "::set-output name=release-tag::$release_tag"
      - name: Make new release
        uses: ncipollo/release-action@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          tag: ${{ steps.create-tag.outputs.release-tag }}
          commit: main
          body: ${{ github.event.pull_request.body }}