fixes #30946

a5da3929 · Joao Moreno · 1efdbace · a5da3929
隐藏空白更改
内联并排

Showing with 4 addition and 0 deletion

src/vs/base/parts/tree/browser/treeModel.ts src/vs/base/parts/tree/browser/treeModel.ts +4 -0

未找到文件。
--- a/src/vs/base/parts/tree/browser/treeModel.ts
+++ b/src/vs/base/parts/tree/browser/treeModel.ts
@@ -401,6 +401,10 @@ export class Item extends Events.EventEmitter {
 					return WinJS.TPromise.as(null);
 				}

+				if (!Array.isArray(elements)) {
+					return WinJS.TPromise.wrapError(new Error('Please return an array of children.'));
+				}
+
 				elements = !elements ? [] : elements.slice(0);
 				elements = this.sort(elements);