release.yml

name: Publish release

on:
  push:
    tags:
      - 'v*.*.*'

concurrency:
  group: release-${{ github.ref }}
  cancel-in-progress: false

permissions:
  contents: write
  id-token: write

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm ci

      - name: Validate tag version
        shell: bash
        run: |
          PACKAGE_VERSION=$(node -p "require('./package.json').version")
          TAG_VERSION="${GITHUB_REF_NAME#v}"

          if [[ "$TAG_VERSION" != "$PACKAGE_VERSION" ]]; then
            echo "Tag $GITHUB_REF_NAME does not match package.json version $PACKAGE_VERSION"
            exit 1
          fi

      - name: Build and validate package
        run: |
          npm run build
          test "$(node dist/index.js --version)" = "$(node -p "require('./package.json').version")"
          npm pack --dry-run

      - name: Publish to npm
        shell: bash
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
        run: |
          PACKAGE_NAME=$(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"
          else
            npm publish --access public --provenance
          fi

      - name: Create GitHub release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          if gh release view "$GITHUB_REF_NAME" > /dev/null 2>&1; then
            echo "GitHub release $GITHUB_REF_NAME already exists"
          else
            gh release create "$GITHUB_REF_NAME" \
              --verify-tag \
              --generate-notes \
              --title "$GITHUB_REF_NAME"
          fi