fixing issue with a form element sometimes getting deleted when you i…

…nsert a new one.
Kiho · Oct 1, 2024 · e1443ae · e1443ae
1 parent 33af772
commit e1443ae
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/preview.jsx b/src/preview.jsx
@@ -220,7 +220,10 @@ export default class Preview extends React.Component {
   moveCard(dragIndex, hoverIndex) {
     const { data } = this.state;
     const dragCard = data[dragIndex];
-    this.saveData(dragCard, dragIndex, hoverIndex);
+    // happens sometimes when you click to insert a new item from the toolbox
+    if (dragCard !== undefined) {
+      this.saveData(dragCard, dragIndex, hoverIndex);
+    }
   }
 
   // eslint-disable-next-line no-unused-vars