name: Continuous beta version publish to npm

permissions:
  contents: write

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}

on:
  push:
    branches:
      - main

# To trigger auto version publish name your squashed commits using conventional notation
# We support: feat:, fix:, refactor: and chore:
jobs:
  build:
    if: ${{ startsWith(github.event.head_commit.message, 'feat:') || startsWith(github.event.head_commit.message, 'fix:') || startsWith(github.event.head_commit.message, 'refactor:') || startsWith(github.event.head_commit.message, 'chore:') }}
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: [14.x]

    steps:
      - uses: actions/checkout@v2
        with:
          token: ${{ secrets.GH_PUSH_TOKEN }}
      - name: setup git config
        run: |
          git config user.name "GitHub Actions Bot"
          git config user.email "<>"
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node-version }}
          registry-url: 'https://registry.npmjs.org'
      - name: update package version
        # This step always creates beta version
        # sample transition after official release: 4.20.0 -> 4.21.0-beta.0
        # sample transition after previous beta release: 4.21.0-beta.0 -> 4.21.0-beta.1
        #
        # The new version is pushed back to master and to npm
        run: |
          npm version prerelease --preid=beta --ignore-scripts
          git push origin ${{ github.ref_name }}
          git push --tags
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}