const io = require("socket.io-client"); class SocketIoClient { constructor(serverUrl) { this.serverUrl = serverUrl; this.client = null; } connect() { this.client = io(this.serverUrl); } waitForConnection() { return new Promise((resolve) => { if (this.client && this.client.connected) { resolve(); } else { this.client.on("connect", resolve); } }); } sendMessage(message) { if (this.client && this.client.connected) { this.client.emit("message", JSON.stringify(message)); } } } module.exports = SocketIoClient;