From e8c2ff52af7bf8232d357c784217068032301521 Mon Sep 17 00:00:00 2001
From: Matheus Assis <assisr.matheus@gmail.com>
Date: Tue, 17 May 2022 15:07:08 -0300
Subject: [PATCH] fix: fixes bug where cannot expand when dropping on empty
 children

---
 .../core/src/uncontrolledEnvironment/StaticTreeDataProvider.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/core/src/uncontrolledEnvironment/StaticTreeDataProvider.ts b/packages/core/src/uncontrolledEnvironment/StaticTreeDataProvider.ts
index 646aee62e..5c6c2eba2 100644
--- a/packages/core/src/uncontrolledEnvironment/StaticTreeDataProvider.ts
+++ b/packages/core/src/uncontrolledEnvironment/StaticTreeDataProvider.ts
@@ -21,6 +21,9 @@ export class StaticTreeDataProvider<T = any> implements TreeDataProvider {
 
   public async onChangeItemChildren(itemId: TreeItemIndex, newChildren: TreeItemIndex[]): Promise<void> {
     this.data.items[itemId].children = newChildren;
+    if (!this.data.items[itemId].hasChildren) {
+      this.data.items[itemId].hasChildren = true;
+    }
     this.onDidChangeTreeDataEmitter.emit([itemId]);
   }