Add in the optimization where multiple websocket events can exist within a single message

core/chat/chatclient.go

@@ -135,6 +135,14 @@ func (c *ChatClient) writePump() {
 				log.Debugln(err)
 			}
 
+			// Optimization: Send multiple events in a single websocket message.
+			// Add queued chat messages to the current websocket message.
+			n := len(c.send)
+			for i := 0; i < n; i++ {
+				_, _ = w.Write(newline)
+				_, _ = w.Write(<-c.send)
+			}
+
 			if err := w.Close(); err != nil {
 				return
 			}