name: Publish to npm

on: push

jobs:
  build-and-publish:
    name: Build and publish to npm
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          registry-url: "https://registry.npmjs.org"

      - name: Install dependencies
        run: npm ci

      - name: Run tests (build)
        run: npm test

      - name: Publish to npm
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
        run: npm publish --access public