npm-publish.yml

name: Publish packages
on:
  push:
    branches:
      - main
jobs:
  public:
    name: Publish
    runs-on: ubuntu-latest
    if: "contains(github.event.head_commit.message, 'Bump version')"
    defaults:
      run:
        working-directory: ./
    steps:
      - name: Setup Node.js
        uses: actions/setup-node@v1
        with:
          node-version: 16.x
      - name: Checkout repository
        uses: actions/checkout@v2
        with:
          persist-credentials: false
      - name: Check package version
        id: pkgver
        run: |
          echo "::set-output name=local::$(node -p -e "require('./package.json').version")"
          echo "::set-output name=remote::$(yarn info -s $(node -p -e "require('./package.json').name") version)"
      - name: Publish package
        if: ${{ steps.pkgver.outputs.local != steps.pkgver.outputs.remote }}
        uses: JS-DevTools/npm-publish@v1
        with:
          token: ${{ secrets.NPM_AUTH_TOKEN }}
          package: package.json
          access: public