Angular SSR - Guard against empty renderToString result and missing scrollAnimator

Author: aleksei-semikozov

packages/devextreme-angular/src/server/render.ts

@@ -25,6 +25,9 @@ export class DxServerModule {
           temp.innerHTML = renderToString(el);
 
           const mainElement = temp.childNodes[0];
+          if (!mainElement) {
+            return;
+          }
           const childString = mainElement.innerHTML;
 
           for (let i = 0; i < mainElement.attributes.length; i++) {

packages/devextreme/js/__internal/m_draggable.ts

@@ -439,7 +439,7 @@ class Draggable extends DOMComponent<Draggable, Properties> {
   }
 
   _stopAnimator() {
-    this._scrollAnimator.stop();
+    this._scrollAnimator?.stop();
   }
 
   _addWidgetPrefix(className?) {