From d21f8f0633ea505f328a0d7337391b03add5b17a Mon Sep 17 00:00:00 2001
From: sethburkart123 <seth.burkart@hills.adventist.edu.au>
Date: Wed, 19 Jun 2024 22:09:49 +1000
Subject: [PATCH] perf: hide unused elements for better DOM performance

---
 src/SEQTA.ts                            | 9 +--------
 src/css/injected/sidebar-animation.scss | 4 ++++
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/SEQTA.ts b/src/SEQTA.ts
index b2b1561e..022dc7d0 100644
--- a/src/SEQTA.ts
+++ b/src/SEQTA.ts
@@ -700,13 +700,7 @@ export function tryLoad() {
 
   updateIframesWithDarkMode()
   // Waits for page to call on load, run scripts
-  document.addEventListener(
-    'load',
-    function () {
-      removeThemeTagsFromNotices()
-    },
-    true,
-  )
+  removeThemeTagsFromNotices()
 }
 
 function ChangeMenuItemPositions(storage: any) {
@@ -795,7 +789,6 @@ function main() {
     tryLoad()
   } else {
     handleDisabled()
-    window.addEventListener('load', handleDisabled)
   }
 }
 
diff --git a/src/css/injected/sidebar-animation.scss b/src/css/injected/sidebar-animation.scss
index a6ec6efd..bdbde4c9 100644
--- a/src/css/injected/sidebar-animation.scss
+++ b/src/css/injected/sidebar-animation.scss
@@ -16,6 +16,10 @@
   transform: translateX(-320px);
 }
 
+#menu li.hasChildren:not(.active) li .sub {
+  display: none; // improves performance
+}
+
 .sub .sub {
   top: 0 !important;
   padding-top: 2px;