From 28bfa3e9bc3d30421241517726de54967944b283 Mon Sep 17 00:00:00 2001
From: Abijeet <abijeetpatro@gmail.com>
Date: Thu, 16 Feb 2023 22:10:10 +0530
Subject: [PATCH] Update jquery.uls from upstream

https://github.com/wikimedia/jquery.uls/commit/02cd462

Bug: T328956
Change-Id: I66fd45ecfb8edf0ad8a710c556cd48c09e5d3ec4
---
 lib/jquery.uls/src/jquery.uls.lcd.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/jquery.uls/src/jquery.uls.lcd.js b/lib/jquery.uls/src/jquery.uls.lcd.js
index c61dd304..8725c549 100644
--- a/lib/jquery.uls/src/jquery.uls.lcd.js
+++ b/lib/jquery.uls/src/jquery.uls.lcd.js
@@ -134,6 +134,10 @@
 				return;
 			}
 
+			if ( this.navigationIndex === null ) {
+				return;
+			}
+
 			this.navigationIndex--;
 			this.highlightLanguageOption();
 		},