From db0ea715c61c1b82794403cd045f6ccac5aa66c9 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han <jacky_cute0808@hotmail.com>
Date: Mon, 2 Jan 2017 11:06:02 +0800
Subject: [PATCH] Update to improve editor performance by debounce
 checkEditorScrollbar event

---
 public/js/index.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/public/js/index.js b/public/js/index.js
index 2e0513c2..56766657 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -1223,7 +1223,11 @@ function checkSyncToggle() {
     }
 }
 
-function checkEditorScrollbar() {
+var checkEditorScrollbar = _.debounce(function () {
+    editor.operation(checkEditorScrollbarInner);
+}, 50);
+
+function checkEditorScrollbarInner() {
     // workaround simple scroll bar knob
     // will get wrong position when editor height changed
     var scrollInfo = editor.getScrollInfo();