From 4501c593ecd2ca9424ab1dc309875b5cc43641bf Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Wed, 31 Jul 2024 09:52:18 +0200
Subject: [PATCH] system: guard destroy on traffic widget

PR: https://forum.opnsense.org/index.php?topic=41729.msg205775#msg205775
---
 src/opnsense/www/js/widgets/Traffic.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/opnsense/www/js/widgets/Traffic.js b/src/opnsense/www/js/widgets/Traffic.js
index 5a0666d69..1bfee7b09 100644
--- a/src/opnsense/www/js/widgets/Traffic.js
+++ b/src/opnsense/www/js/widgets/Traffic.js
@@ -240,7 +240,11 @@ export default class Traffic extends BaseWidget {
 
     onWidgetClose() {
         super.onWidgetClose();
-        this.charts.trafficIn.destroy();
-        this.charts.trafficOut.destroy();
+        if (this.charts.trafficIn !== null) {
+            this.charts.trafficIn.destroy();
+        }
+        if (this.charts.trafficOut !== null) {
+            this.charts.trafficOut.destroy();
+        }
     }
 }