From 9ddc973108a6cc88999003c2d0dc6b48044967cc Mon Sep 17 00:00:00 2001
From: Steven Wu <wusteven815@gmail.com>
Date: Mon, 8 Jan 2024 16:29:05 -0500
Subject: [PATCH] fix: GoToRow timestamp fails when selected row is out of view
 (#1717)

- Fixes #1561
- Added the optional chaining operator to prevent an error from being
thrown
---
 packages/iris-grid/src/IrisGridUtils.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/iris-grid/src/IrisGridUtils.ts b/packages/iris-grid/src/IrisGridUtils.ts
index cdbcab5b74..325728346c 100644
--- a/packages/iris-grid/src/IrisGridUtils.ts
+++ b/packages/iris-grid/src/IrisGridUtils.ts
@@ -188,7 +188,7 @@ function isValidIndex(x: number, array: readonly unknown[]): boolean {
 }
 
 function isDateWrapper(value: unknown): value is DateWrapper {
-  return (value as DateWrapper).asDate != null;
+  return (value as DateWrapper)?.asDate != null;
 }
 
 class IrisGridUtils {