From d7f7927ec3e3fa489dc7f14c3de6edea5f6381a8 Mon Sep 17 00:00:00 2001
From: NikG <ngkountas@wikimedia.org>
Date: Thu, 10 Nov 2022 13:27:28 +0200
Subject: [PATCH] Add caching for language option list items

---
 src/jquery.uls.lcd.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/jquery.uls.lcd.js b/src/jquery.uls.lcd.js
index d100ae9..858c692 100644
--- a/src/jquery.uls.lcd.js
+++ b/src/jquery.uls.lcd.js
@@ -55,6 +55,7 @@
 
 		this.$element.addClass( 'uls-lcd' );
 		this.regionLanguages = {};
+		this.$languageOptionListItems = null;
 		this.renderTimeout = null;
 		this.$cachedQuicklist = null;
 		this.groupByRegionOverride = null;
@@ -79,7 +80,11 @@
 		 * @return {jQuery}
 		 */
 		getLanguageOptionListItems: function () {
-			return this.$element.find( 'li[data-code]' );
+			if ( !this.$languageOptionListItems ) {
+				this.$languageOptionListItems = this.$element.find( 'li[data-code]' );
+			}
+
+			return this.$languageOptionListItems;
 		},
 
 		/**