From 071f631c347f1d2d86a89d185b4aa3872d40009b Mon Sep 17 00:00:00 2001
From: Charles Gagnon <chgagnon@microsoft.com>
Date: Wed, 1 Jun 2022 12:47:52 -0700
Subject: [PATCH] Fix null ref in tree (#19589)

* Fix null ref in tree

* Correct type
---
 src/sql/workbench/contrib/views/browser/treeView.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/sql/workbench/contrib/views/browser/treeView.ts b/src/sql/workbench/contrib/views/browser/treeView.ts
index e8592858c0..337ae5982b 100644
--- a/src/sql/workbench/contrib/views/browser/treeView.ts
+++ b/src/sql/workbench/contrib/views/browser/treeView.ts
@@ -183,7 +183,7 @@ export class TreeView extends Disposable implements ITreeView {
 				}
 
 				async getChildren(node: ITreeItem): Promise<ITreeItem[]> {
-					let children: ITreeItem[];
+					let children: ITreeItem[] | undefined = undefined;
 					if (node && node.children) {
 						children = node.children;
 					} else {
@@ -192,7 +192,7 @@ export class TreeView extends Disposable implements ITreeView {
 					}
 					if (node instanceof Root) {
 						const oldEmpty = this._isEmpty;
-						this._isEmpty = children.length === 0;
+						this._isEmpty = !children || children.length === 0;
 						if (oldEmpty !== this._isEmpty) {
 							this._onDidChangeEmpty.fire();
 						}