publish.yml

name: Publish to npm

on:
  push:
    tags:
      - 'v*'

jobs:
  publish:
    name: Publish
    runs-on: ubuntu-latest
    environment: Publisher

    permissions:
      contents: read
      id-token: write
      attestations: write

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: '22'
          cache: 'npm'
          registry-url: 'https://registry.npmjs.org'

      - name: Update npm to latest (required for trusted publishers)
        run: npm install -g npm@latest

      - name: Extract version from tag
        id: version
        run: |
          # Remove 'v' prefix if present (e.g., v1.0.0 -> 1.0.0)
          VERSION=${GITHUB_REF#refs/tags/v}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Publishing version: $VERSION"

      - name: Update package.json version
        run: npm version ${{ steps.version.outputs.version }} --no-git-tag-version --allow-same-version

      - name: Install dependencies
        run: npm ci

      - name: Lint
        run: npm run lint

      - name: Run tests
        run: npm test

      - name: Build library
        run: npm run build:lib

      - name: Publish to npm
        run: npm publish --provenance --access public