From 729378b2d727fe330b17a23a2338edf7813179b3 Mon Sep 17 00:00:00 2001
From: Alex Ma <alma1@microsoft.com>
Date: Wed, 14 Oct 2020 08:45:25 -0700
Subject: [PATCH] Null check for updatedetail (#12900)

* added null check for options

* simplification
---
 src/vs/base/browser/ui/selectBox/selectBoxCustom.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/vs/base/browser/ui/selectBox/selectBoxCustom.ts b/src/vs/base/browser/ui/selectBox/selectBoxCustom.ts
index a77e0c3195..b7abca723a 100644
--- a/src/vs/base/browser/ui/selectBox/selectBoxCustom.ts
+++ b/src/vs/base/browser/ui/selectBox/selectBoxCustom.ts
@@ -862,8 +862,8 @@ export class SelectBoxList extends Disposable implements ISelectBoxDelegate, ILi
 
 	private updateDetail(selectedIndex: number): void {
 		this.selectionDetailsPane.innerText = '';
-		const description = this.options[selectedIndex].description;
-		const descriptionIsMarkdown = this.options[selectedIndex].descriptionIsMarkdown;
+		const description = this.options[selectedIndex]?.description;
+		const descriptionIsMarkdown = this.options[selectedIndex]?.descriptionIsMarkdown;
 
 		if (description) {
 			if (descriptionIsMarkdown) {