return if websocket open

src/main.ts

@@ -181,6 +181,9 @@ ws.on("close", (event: CloseEvent) => {
           }/${maxReconnectAttempts}`
         );
         ws = reconnect(ws);
+        if (ws.readyState === WebSocket.OPEN) {
+          return;
+        }
         reconnectAttempts++;
       }, delay);
     } else {