release.yml

name: Release to npm

on:
  release:
    types: [published]

permissions:
  contents: read

jobs:
  publish:
    name: Publish package
    runs-on: ubuntu-latest
    permissions:
      contents: read
      id-token: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup pnpm
        uses: pnpm/action-setup@v4

      - name: Use Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          registry-url: 'https://registry.npmjs.org'
          always-auth: true
          cache: 'pnpm'

      - name: Install
        run: pnpm install --frozen-lockfile

      - name: Test
        run: pnpm test

      - name: Build
        run: pnpm run build

      - name: Verify tag matches package.json version
        run: |
          PKG_VERSION=$(node -p "require('./package.json').version")
          RAW_TAG="${{ github.event.release.tag_name }}"
          TAG_VERSION="${RAW_TAG#v}"
          echo "package.json: $PKG_VERSION | tag: $RAW_TAG (-> $TAG_VERSION)"
          if [ "$PKG_VERSION" != "$TAG_VERSION" ]; then
            echo "❌ Tag and package.json version mismatch"
            exit 1
          fi

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