How to use the websocket.Client function in websocket

this.state = 0;
		this.parse = {state: 0};

		this.packet = 1;

		if (dictionary.timeout)
			this.timeout = dictionary.timeout;

		if (this.path) {
			// presence of this.path triggers WebSockets mode, as MQTT has no native concept of path
			const port = dictionary.port ? dictionary.port : 80;
			if (dictionary.Socket)
				this.ws = new WSClient({host: dictionary.host, port, path, protocol: "mqtt", Socket: dictionary.Socket, secure: dictionary.secure});
			else
				this.ws = new WSClient({host: dictionary.host, port, path, protocol: "mqtt"});
			this.ws.callback = ws_callback.bind(this);
		} else {
			const port = dictionary.port ? dictionary.port : 1883;
			if (dictionary.Socket)
				this.ws = new (dictionary.Socket)({host: dictionary.host, port, secure: dictionary.secure});
			else
				this.ws = new Socket({host: dictionary.host, port});
			this.ws.callback = socket_callback.bind(this);
		}
	}
	publish(topic, data) {

onCreate(application) {
			this.ws = new Client({host: "192.168.4.1"});
			this.ws.callback = function(message, value)
			{
				switch (message) {
					case 1:
						trace("socket connect\n");
						break;

					case 2:
						trace("websocket handshake success\n");
						break;

					case 3:
						trace(`websocket message received: ${value}\n`);
						break;

					case 4:

* Copyright (c) 2016-2019  Moddable Tech, Inc.
 *
 *   This file is part of the Moddable SDK.
 * 
 *   This work is licensed under the
 *       Creative Commons Attribution 4.0 International License.
 *   To view a copy of this license, visit
 *       .
 *   or send a letter to Creative Commons, PO Box 1866,
 *   Mountain View, CA 94042, USA.
 *
 */

import {Client} from "websocket"

let ws = new Client({host: "echo.websocket.org"});

ws.callback = function(message, value) {
	switch (message) {
		case Client.connect:
			trace("socket connect\n");
			break;

		case Client.handshake:
			trace("websocket handshake success\n");
			this.write(JSON.stringify({count: 1, toggle: true}));
			break;

		case Client.receive:
			trace(`websocket message received: ${value}\n`);
			value = JSON.parse(value);
			value.count += 1;