import { io } from "socket.io-client"; const socket = io("http://localhost:3000"); socket.on("connect", () => { console.log(`connect ${socket.id}`); }); socket.on("connect_error", (err) => { console.log(`connect_error due to ${err.message}`); }); socket.on("disconnect", (reason) => { console.log(`disconnect due to ${reason}`); });