main.yml

name: main
on: [push]

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    name: Build and test
    steps:
      - name: Checkout
        uses: actions/checkout@v1

      - uses: bahmutov/npm-install@v1
      - run: npm run format
      - run: npm run build
      - run: npm test

      # https://github.com/cycjimmy/semantic-release-action
      - name: Semantic Release
        uses: cycjimmy/semantic-release-action@v2
        id: semantic
        with:
          branch: master
          extra_plugins: |
            @semantic-release/git@v7
            @semantic-release/changelog
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

      - name: Push updates to branch for major version
        # if there is a new version published, let's say v1.2.3
        # then this step will update branch "v1" to this commit
        # https://github.com/cypress-io/github-action/branches
        if: steps.semantic.outputs.new_release_published == 'true'
        run: 'git push https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git HEAD:refs/heads/v${{steps.semantic.outputs.new_release_major_version}}'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}