[bugfix] uses newIndicies with error handling instead of oldIndicies without it.

Wayne Van Son · Wayne Van Son · commit 770308126987 · 2019-12-24T10:27:55.000+11:00
diff --git a/src/react-sortable.tsx b/src/react-sortable.tsx
@@ -319,8 +319,9 @@ Please read the updated README.md at https://github.com/SortableJS/react-sortabl
   onDeselect(evt: MultiDragEvent) {
     const { list, setList } = this.props;
     const newList = [...list].map(item => ({ ...item, selected: false }));
-    evt.oldIndicies.forEach(curr => {
+    evt.newIndicies.forEach(curr => {
       const index = curr.index;
+      if (index === -1) return;
       newList[index].selected = true;
     });
     setList(newList, this.sortable, store);
