fix(core/tree): add undefined check to disconnected callback (#867)

siemens · Oct 23, 2023 · 38e5ca6 · 38e5ca6
1 parent fa44ab5
commit 38e5ca6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/core/src/components/tree/tree.tsx b/packages/core/src/components/tree/tree.tsx
@@ -272,8 +272,8 @@ export class Tree {
   }
 
   disconnectedCallback() {
-    this.hyperlist.destroy();
-    this.observer.disconnect();
+    this.hyperlist?.destroy();
+    this.observer?.disconnect();
   }
 
   @Watch('model')