From e2d0faa539e287247ccd1208fe74705169749210 Mon Sep 17 00:00:00 2001
From: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Date: Tue, 26 Mar 2019 16:22:55 +0100
Subject: list: disconnect infinite-scroll observer to prevent memory leak

---
 client/components/lists/listBody.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'client')

diff --git a/client/components/lists/listBody.js b/client/components/lists/listBody.js
index 2e6591e2..112b6379 100644
--- a/client/components/lists/listBody.js
+++ b/client/components/lists/listBody.js
@@ -629,17 +629,21 @@ BlazeComponent.extendComponent({
         threshold: 0.25,
       };
 
-      const observer = new IntersectionObserver((entries) => {
+      this.observer = new IntersectionObserver((entries) => {
         entries.forEach((entry) => {
           this.spinnerShown = entry.isIntersecting;
           this.updateList();
         });
       }, options);
 
-      observer.observe(spinner);
+      this.observer.observe(spinner);
     }
   },
 
+  onDestroyed() {
+    this.observer.disconnect();
+  },
+
   updateList() {
     if (this.spinnerShown) {
       this.cardlimit.set(this.cardlimit.get() + InfiniteScrollIter);
-- 
cgit v1.2.3-1-g7c22