release.yml

name: release

# Triggered by a GitHub Release create event. Publishes to npm using
# the NPM_TOKEN repo secret. Set the secret under
# Settings → Secrets and variables → Actions before cutting the first
# release.

on:
  release:
    types: [published]

permissions:
  contents: read
  id-token: write

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: actions/setup-node@v6
        with:
          node-version: 20
          registry-url: https://registry.npmjs.org
      - run: npm install
      - run: npm run lint
      - run: npm run build
      - run: npm test
      - name: Verify package.json version matches release tag
        run: |
          TAG_VERSION="${GITHUB_REF_NAME#v}"
          PKG_VERSION="$(node -p "require('./package.json').version")"
          if [ "$TAG_VERSION" != "$PKG_VERSION" ]; then
            echo "::error::tag $GITHUB_REF_NAME does not match package.json version $PKG_VERSION"
            exit 1
          fi
      - run: npm publish --provenance --access public
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}