name: Release

# Push a tag like v0.1.0: tests run, the npm tarball is built and attached
# to the GitHub Release, and a draft release opens for notes.
on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm
      - run: npm ci
      - run: npm run lint
      - run: npm test
      - name: Build tarball
        run: npm pack
      - name: Record tarball SHA-256
        run: |
          echo "### Tarball SHA-256" >> "$GITHUB_STEP_SUMMARY"
          echo '```text' >> "$GITHUB_STEP_SUMMARY"
          sha256sum *.tgz >> "$GITHUB_STEP_SUMMARY"
          echo '```' >> "$GITHUB_STEP_SUMMARY"
          sha256sum *.tgz
      - name: Create release
        uses: softprops/action-gh-release@v2
        with:
          generate_release_notes: false
          draft: true
          prerelease: ${{ contains(github.ref_name, '-') }}
          files: '*.tgz'