Update npm-publish.yml

Author: ilyamerman

.github/workflows/npm-publish.yml

@@ -9,6 +9,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 16
+      - run: npm install
+      - run: npm run build
       - name: Publish to NPM
         id: publish
         uses: JS-DevTools/npm-publish@v1
@@ -25,4 +30,4 @@ jobs:
           release_name: Release ${{ steps.publish.outputs.version }}
           body: ${{ steps.publish.outputs.version }}
           draft: false
-          prerelease: false
+          prerelease: false