publish.yml

name: Publish to npm

on:
  release:
    types: [published]
  push:
    tags: ['v*']

permissions:
  contents: read
  id-token: write

jobs:
  publish:
    if: startsWith(github.event.release.tag_name, 'v') || startsWith(github.ref_name, 'v')
    runs-on: ubuntu-latest
    environment: npm
    steps:
      - uses: actions/checkout@v6
        with:
          ref: ${{ github.event.release.target_commitish || github.ref }}
      - uses: actions/setup-node@v6
        with:
          node-version: 24
          registry-url: https://registry.npmjs.org
          package-manager-cache: false
      - run: npm ci
      - run: npm run typecheck && npm run lint && npm test && npm run build
      - name: Use current npm CLI for trusted publishing
        run: npm install --global npm@latest && npm --version
      - name: Publish when this version is not on npm yet
        run: |
          package_name=$(node -p "require('./package.json').name")
          package_version=$(node -p "require('./package.json').version")
          if npm view "${package_name}@${package_version}" version >/dev/null 2>&1; then
            echo "${package_name}@${package_version} is already published; skipping."
            exit 0
          fi
          npm publish --access public