From 7758f08a79e7d5518469af57a9c7a163095c9f24 Mon Sep 17 00:00:00 2001
From: "D. Berge" <dberge@aaltronav.eu>
Date: Mon, 28 Sep 2020 21:33:16 +0200
Subject: [PATCH] Use array instead of set for storing callbacks

---
 lib/www/server/ws/db.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/www/server/ws/db.js b/lib/www/server/ws/db.js
index 028cdef..0e9ad50 100644
--- a/lib/www/server/ws/db.js
+++ b/lib/www/server/ws/db.js
@@ -33,11 +33,11 @@ async function listen (addChannels, callback) {
 	for (const channel of addChannels) {
 		if (!(channel in channels)) {
 			await client.query("LISTEN "+channel);
-			channels[channel] = new Set();
+			channels[channel] = [];
 			console.log("Listening to ", channel);
 		}
 
-		channels[channel].add(callback);
+		channels[channel].push(callback);
 	}
 }