cache the last hovered node

1 year ago · fa287c1c50
1 changed files with 4 additions and 2 deletions
--- a/packages/core/src/utils/sorter/DropLocationDeterminer.ts
+++ b/packages/core/src/utils/sorter/DropLocationDeterminer.ts
@ -271,9 +271,11 @@ export class DropLocationDeterminer<T, NodeType extends SortableTreeNode<T>> ext
   */
  private getOrCreateHoveredNode(hoveredModel: T): NodeType {
    const lastHoveredNode = this.lastMoveData.hoveredNode;
-    const newHoveredNode = new this.treeClass(hoveredModel);
+    const hoveredNode = new this.treeClass(hoveredModel);
+    const newHoveredNode = hoveredNode.equals(lastHoveredNode) ? lastHoveredNode : hoveredNode;
+    this.lastMoveData.hoveredNode = newHoveredNode;

-    return newHoveredNode.equals(lastHoveredNode) ? lastHoveredNode : newHoveredNode;
+    return newHoveredNode;
  }

  /**