Create publish-npm.yml

.github/workflows/publish-npm.yml

@@ -0,0 +1,27 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Build & publish to NPM
+
+on:
+  release:
+      types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+        registry-url: https://registry.npmjs.org
+    - run: npm --no-git-tag-version --force version ${{ github.event.release.tag_name }}
+    - run: npm ci
+    - run: npm install
+    - run: npm run build
+    - run: npm publish
+      env: 
+        NODE_AUTH_TOKEN: ${{secrets.KNPM_TOKEN}}