name: Release

on:
  release:
    types: [published]

permissions:
  contents: read
  id-token: write   # required for npm provenance (and Trusted Publishing)

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5

      - uses: actions/setup-node@v5
        with:
          node-version: 24
          registry-url: 'https://registry.npmjs.org'
          cache: npm
          cache-dependency-path: package-lock.json

      # Fail early if the release tag (vX.Y.Z) doesn't match package.json,
      # or if src/dmd.ts (Dmd.version) drifted out of sync.
      - name: Verify version matches the release tag
        run: |
          PKG="$(node -p "require('./package.json').version")"
          TAG="${GITHUB_REF_NAME#v}"
          DMD="$(node -p "(require('fs').readFileSync('src/dmd.ts','utf8').match(/static readonly version(?:\s*:\s*string)? = '([^']*)'/)||[])[1] || ''")"
          echo "package.json=$PKG  tag=$TAG  dmd.ts=$DMD"
          if [ "$PKG" != "$TAG" ]; then
            echo "::error::package.json version ($PKG) does not match release tag ($TAG)"
            exit 1
          fi
          if [ "$DMD" != "$PKG" ]; then
            echo "::error::src/dmd.ts Dmd.version ($DMD) does not match package.json ($PKG). Run 'npm version' to keep them in sync."
            exit 1
          fi

      - run: npm ci
      - run: npm run lint
      - run: npm test
      - run: npm run build

      # Publishes dist/ (per the "files" field). --provenance attaches a signed
      # build attestation; npm CLI uploads it via the id-token permission above.
      - run: npm publish --provenance --access public