From 47273b1907aee9cfc18c224b68511e31a93756b0 Mon Sep 17 00:00:00 2001
From: Miodec <bartnikjack@gmail.com>
Date: Fri, 18 Mar 2022 16:09:54 +0100
Subject: [PATCH] try caching adding event listener

---
 .../scripts/controllers/theme-controller.ts   | 24 +++++++++++--------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/frontend/src/scripts/controllers/theme-controller.ts b/frontend/src/scripts/controllers/theme-controller.ts
index c2169e870..6bc7b657b 100644
--- a/frontend/src/scripts/controllers/theme-controller.ts
+++ b/frontend/src/scripts/controllers/theme-controller.ts
@@ -263,16 +263,20 @@ export function applyCustomBackground(): void {
   }
 }
 
-window
-  .matchMedia("(prefers-color-scheme: dark)")
-  ?.addEventListener("change", (event) => {
-    if (!Config.autoSwitchTheme || Config.customTheme) return;
-    if (event.matches) {
-      set(Config.themeDark, false);
-    } else {
-      set(Config.themeLight, false);
-    }
-  });
+try {
+  window
+    .matchMedia("(prefers-color-scheme: dark)")
+    ?.addEventListener("change", (event) => {
+      if (!Config.autoSwitchTheme || Config.customTheme) return;
+      if (event.matches) {
+        set(Config.themeDark, false);
+      } else {
+        set(Config.themeLight, false);
+      }
+    });
+} catch (e) {
+  //
+}
 
 ConfigEvent.subscribe((eventKey, eventValue, nosave) => {
   if (eventKey === "customTheme") {