name: Npm Publish

on:
  release:
    types: [created]

jobs:
  publish-npm:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-node@v1
        with:
          node-version: 12
          registry-url: https://registry.npmjs.org/
      - run: npm version --no-git-tag-version $TAG
        env:
          TAG: ${{ github.event.release.tag_name }}
      - run: npm publish
        env:
          GITHUB_TOKEN: ${{ secrets.github_token }}
          NODE_AUTH_TOKEN: ${{secrets.npm_token}}
      - run: git fetch origin master
      - run: git config --local user.email "action@github.com"
      - run: git config --local user.name "GitHub Publish Action"
      - run: git checkout master
      - run: git add package.json
      - run: git commit --message "release $TAG"
        env:
          TAG: ${{ github.event.release.tag_name }}
      - run: git remote add deploy https://${GITHUB_TOKEN}@github.com/${{ github.repository }}.git
        env:
          GITHUB_TOKEN: ${{ secrets.github_token }}
      - run: git push deploy master