check for object existence to change zindex (fixed dragging thumb for…

… scroll bug)
key4hep · Aug 8, 2024 · f1eb314 · f1eb314
1 parent f439f6a
commit f1eb314
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/js/draw/drag.js b/js/draw/drag.js
@@ -46,7 +46,9 @@ export function dragMove(event) {
 }
 
 export function dragEnd() {
-  currentObject.zIndex = 1;
+  if (currentObject) {
+    currentObject.zIndex = 1;
+  }
   const app = getApp();
   app.stage.off("pointermove", dragMove);
 }