fix(WidgetManager): Guard against object deletion

WidgetManager may be deleted between updateSvg() and the promise resolution callback.
Kitware · Apr 6, 2020 · d22b8b7 · d22b8b7
1 parent bb17297
commit d22b8b7
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Sources/Widgets/Core/WidgetManager/index.js b/Sources/Widgets/Core/WidgetManager/index.js
@@ -154,6 +154,9 @@ function vtkWidgetManager(publicAPI, model) {
         }
 
         Promise.all(pendingContent).then((vnodes) => {
+          if (model.deleted) {
+            return;
+          }
           const oldVTree = svgVTrees.get(widget);
           const newVTree = createSvgElement('g');
           for (let ni = 0; ni < vnodes.length; ni++) {