From 12cdad066e8955e8f21069ef6a0a8ec64f763584 Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.se>
Date: Fri, 29 Nov 2019 10:08:15 +0100
Subject: [PATCH] Make Cursor.detach() safe to call when not attached

Avoids having checks in higher layers.
---
 kasmweb/core/util/cursor.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kasmweb/core/util/cursor.js b/kasmweb/core/util/cursor.js
index 3535813..99fe502 100644
--- a/kasmweb/core/util/cursor.js
+++ b/kasmweb/core/util/cursor.js
@@ -64,6 +64,10 @@ export default class Cursor {
     }
 
     detach() {
+        if (!this._target) {
+            return;
+        }
+
         if (useFallback) {
             const options = { capture: true, passive: true };
             this._target.removeEventListener('mouseover', this._eventHandlers.mouseover, options);