From f7c2fbebd6daf285337515a35c21072abdcf79c4 Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Wed, 6 Sep 2023 22:29:48 +0200
Subject: [PATCH] Simplify comparison of delta objects

---
 app/assets/javascripts/editor/editor.js.erb | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/app/assets/javascripts/editor/editor.js.erb b/app/assets/javascripts/editor/editor.js.erb
index 9d7ecb88..4e3bffed 100644
--- a/app/assets/javascripts/editor/editor.js.erb
+++ b/app/assets/javascripts/editor/editor.js.erb
@@ -1048,14 +1048,7 @@ var CodeOceanEditor = {
         }
 
         const delta_data = delta.data
-        // We need this manual comparison because the range uses two different classes
-        // and there is no function to compare these two objects.
-        return delta_data.action === last_delta.action &&
-          delta_data.range.start.row === last_delta.range.start.row &&
-          delta_data.range.start.column === last_delta.range.start.column &&
-          delta_data.range.end.row === last_delta.range.end.row &&
-          delta_data.range.end.column === last_delta.range.end.column &&
-          delta_data.text === last_delta.text;
+        return !_.isEqual(delta_data, last_delta);
     },
 
     showPartnersConnectionStatus: function (status, username) {