publish to npm registry has been added

.github/workflows/node.js.yml

@@ -17,11 +17,12 @@ jobs:
         # version 5 is glitching
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v2
-      with:
-        node-version: ${{ matrix.node-version }}
-        cache: 'npm'
-    - run: npm install
-    - run: npm test
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+      - run: npm install
+      - run: npm test
+

.github/workflows/publish-to-registry.yml

@@ -0,0 +1,49 @@
+name: Publish to NPM registry
+
+on:
+  release:
+    types: [ published ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: artifacts
+        run: |
+          mkdir /tmp/output
+          mv -t /tmp/output lib typings README.md LICENSE package.json
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: artifacts
+          path: /tmp/output
+
+  publish:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 'lts/*'
+
+      - uses: actions/download-artifact@v2
+        with:
+          name: artifacts
+          path: artifacts
+
+      - name: list
+        run: ls -R
+        working-directory: artifacts
+
+      - name: publish
+        run: npm publish
+        working-directory: artifacts
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+
+      - uses: geekyeggo/delete-artifact@v1
+        with:
+          name: artifacts
+