Merge pull request #15 from WTW-IM/render-escape

Update: ensuring we don't mount when not connected

Author: stevematney

src/ReactHTMLElement.ts

@@ -35,11 +35,10 @@ class ReactHTMLElement extends HTMLElement {
     this._mountPoint = mount;
   }
 
-  render(
-    app: Parameters<ReactDOM.Renderer>[0][number]
-  ): ReturnType<ReactDOM.Renderer> {
-    // eslint-disable-next-line react/no-render-return-value
-    return ReactDOM.render(app, this.mountPoint);
+  render(app: Parameters<ReactDOM.Renderer>[0][number]): void {
+    if (!this.isConnected) return;
+
+    ReactDOM.render(app, this.mountPoint);
   }
 
   disconnectedCallback(): void {