myheats

commit b16427c95e8c255d9dee598d60effbd87997a11f
parent 3336877933541394d60672ae2bfecdf4ab88c888
Author: Andreas Gruhler <andreas.gruhler@adfinis.com>
Date:   Tue,  4 Apr 2023 23:25:38 +0200

feat: cleanup ratings subscription

Diffstat:
M
src/Leaderboard.js
 | 
9
+++++++--

1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/Leaderboard.js b/src/Leaderboard.js
@@ -207,8 +207,8 @@ function Leaderboard() {
 
   useEffect(() => {
     // subscribe to ratings from judges and
-    const channel = supabase.channel('ratings')
-    channel.on(
+    const ratingsChannel = supabase.channel('ratings')
+    ratingsChannel.on(
       'postgres_changes',
       {
         event: '*',
@@ -220,6 +220,11 @@ function Leaderboard() {
         setLeaderboard(ratingSummary)
       }
     ).subscribe()
+
+    // remove subscription
+    return function cleanup() {
+      supabase.removeChannel(ratingsChannel)
+    }
   }, [heatSelection]);
 
   return (