fix: Prevent drag and drop from accessing prop when undefined

bpmn-io · Aug 6, 2024 · ae5b905 · ae5b905
1 parent 12f4d5e
commit ae5b905
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/form-js-editor/src/features/dragging/Dragging.js b/packages/form-js-editor/src/features/dragging/Dragging.js
@@ -78,8 +78,8 @@ export class Dragging {
     let targetParentId;
 
     if (formFieldNode) {
-      formField = this._formFieldRegistry.get(formFieldNode.dataset.id);
-      columns = (formField.layout || {}).columns;
+      formField = this._formFieldRegistry.get(formFieldNode.dataset.id) || { layout: {} };
+      columns = formField.layout.columns;
 
       // (1) check for row constraints
       if (isRow(target)) {