publish.yml

name: Publish to npm

on:
  push:
    tags:
      - "v*"

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Enable corepack (pnpm)
        run: corepack enable

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

      - name: Show git status before publish
        run: |
          git status --short
          git diff --stat

      - name: Verify tag matches package.json version
        run: |
          TAG="${GITHUB_REF_NAME}"
          PKG_VERSION="$(node -p "require('./package.json').version")"
          if [ "v${PKG_VERSION}" != "${TAG}" ]; then
            echo "::error::Tag ${TAG} does not match package.json version v${PKG_VERSION}"
            exit 1
          fi

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