Add npm publishing to release workflow

Author: nicolaiarocci

.github/workflows/release.yml

@@ -22,3 +22,37 @@ jobs:
           make_latest: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  npm-publish:
+    needs: github-release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build package
+        run: npm run build
+
+      - name: Update package version
+        run: |
+          TAG_VERSION=${GITHUB_REF#refs/tags/v}
+          CURRENT_VERSION=$(node -p "require('./package.json').version")
+          if [ "$TAG_VERSION" != "$CURRENT_VERSION" ]; then
+            npm version $TAG_VERSION --no-git-tag-version
+          else
+            echo "Version already matches tag version $TAG_VERSION, skipping npm version"
+          fi
+
+      - name: Publish to NPM
+        run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}