index_jsdemo.js

let _ = require("lodash");
let fs = require("fs");
let path = require("path");
let WebSocket = require("ws");



let wss = new WebSocket.Server({ port: 2021 });
console.log("whatsapp-web-reveng jsdemo server listening on port 2021");

wss.on("connection", function(ws, req) {
	let whatsapp = new WebSocket("wss://w1.web.whatsapp.com/ws", { headers: { "Origin": "https://web.whatsapp.com" } });
	
	ws.onmessage		= function(e) { whatsapp.send(e.data); }
	ws.onclose			= function(e) { whatsapp.close(); }
	whatsapp.onopen		= function(e) { ws.send("whatsapp_open"); }
	whatsapp.onmessage	= function(e) { ws.send(e.data); }
	whatsapp.onclose	= function(e) { ws.close(); }
});