Update jquery.uls from upstream

https://github.com/wikimedia/jquery.uls/commit/02cd462 Bug: T328956 Change-Id: I66fd45ecfb8edf0ad8a710c556cd48c09e5d3ec4
2023-02-16 22:10:10 +05:30
parent 3c700976b4
commit 28bfa3e9bc
1 changed files with 4 additions and 0 deletions
--- 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();
 		},