From 6fb08f3e1a38a9050f6c6cb7fa6aab72e47c59d5 Mon Sep 17 00:00:00 2001
From: Teranode <Teranode@users.noreply.github.com>
Date: Mon, 29 Oct 2018 18:35:13 -0400
Subject: [PATCH] Fix resize event after element removal (#3897)

This prevents an error from popping up after the popover is hidden/removed `this.$container.remove()` is no longer available after removal so we need to check for the presence of `this.$container`. Credit to @Teranode
---
 modules/system/assets/ui/js/popover.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/system/assets/ui/js/popover.js b/modules/system/assets/ui/js/popover.js
index fa9edfa7d..e001e140e 100644
--- a/modules/system/assets/ui/js/popover.js
+++ b/modules/system/assets/ui/js/popover.js
@@ -115,8 +115,10 @@
          */
         this.reposition()
 
-        $(window).on('resize', function(e) {
-            self.reposition()
+        $(window).on('resize', function() {
+            if (self.$container) {
+                self.reposition()
+            }
         })
 
         /*