publish.yml

name: Publish

on:
  release:
    types:
      - published

permissions:
  contents: read
  id-token: write

jobs:
  publish:
    name: Publish package to npm
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Setup Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          registry-url: https://registry.npmjs.org
          cache: npm

      - name: Upgrade npm for trusted publishing
        run: npm install --global npm@latest

      - name: Show runtime versions
        run: |
          node --version
          npm --version

      - name: Install dependencies
        run: npm ci

      - name: Verify release tag matches package version
        run: |
          node --input-type=module -e "
          import { readFileSync } from 'node:fs';
          const pkg = JSON.parse(readFileSync('package.json', 'utf8'));
          const expected = 'v' + pkg.version;
          const actual = process.env.RELEASE_TAG;
          if (actual !== expected) {
            console.error('Release tag mismatch:', { actual, expected });
            process.exit(1);
          }
          "
        env:
          RELEASE_TAG: ${{ github.event.release.tag_name }}

      - name: Build
        run: npm run build

      - name: Test
        run: npm test

      - name: Select npm dist-tag
        id: publish_meta
        run: |
          VERSION=$(node -p "JSON.parse(require('node:fs').readFileSync('package.json', 'utf8')).version")
          if [[ "$VERSION" == *-* ]]; then
            echo "dist_tag=next" >> "$GITHUB_OUTPUT"
            echo "publish_args=--provenance --tag next" >> "$GITHUB_OUTPUT"
          else
            echo "dist_tag=latest" >> "$GITHUB_OUTPUT"
            echo "publish_args=--provenance" >> "$GITHUB_OUTPUT"
          fi

      - name: Publish to npm
        run: npm publish ${{ steps.publish_meta.outputs.publish_args }}