From 5ddfb5a19e6192736f47c85d79dfc88c3ec8f06c Mon Sep 17 00:00:00 2001
From: Michael-Hutchinson <michael-hutchinson@hotmail.co.uk>
Date: Tue, 27 Aug 2024 21:00:03 +0100
Subject: [PATCH] fix: Update InitColorSchemeScript to use const and let
 instead of var

---
 .../src/InitColorSchemeScript/InitColorSchemeScript.tsx   | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/mui-system/src/InitColorSchemeScript/InitColorSchemeScript.tsx b/packages/mui-system/src/InitColorSchemeScript/InitColorSchemeScript.tsx
index 7320bb7c10af42..98d56aec2de0f5 100644
--- a/packages/mui-system/src/InitColorSchemeScript/InitColorSchemeScript.tsx
+++ b/packages/mui-system/src/InitColorSchemeScript/InitColorSchemeScript.tsx
@@ -92,10 +92,10 @@ export default function InitColorSchemeScript(options?: InitColorSchemeScriptPro
       dangerouslySetInnerHTML={{
         __html: `(function() {
 try {
-  var mode = localStorage.getItem('${modeStorageKey}') || 'system';
-  var colorScheme = '';
-  var dark = localStorage.getItem('${colorSchemeStorageKey}-dark') || '${defaultDarkColorScheme}';
-  var light = localStorage.getItem('${colorSchemeStorageKey}-light') || '${defaultLightColorScheme}';
+  const mode = localStorage.getItem('${modeStorageKey}') || 'system';
+  let colorScheme = '';
+  const dark = localStorage.getItem('${colorSchemeStorageKey}-dark') || '${defaultDarkColorScheme}';
+  const light = localStorage.getItem('${colorSchemeStorageKey}-light') || '${defaultLightColorScheme}';
   if (mode === 'system') {
     // handle system mode
     var mql = window.matchMedia('(prefers-color-scheme: dark)');