companion/index.js

import * as messaging from "messaging";
const wsUri = "ws://192.168.1.3:8785";
let websocket;

/* function testWebSocket() {
  websocket = new WebSocket(wsUri);
  websocket.addEventListener("open", onOpen);
  websocket.addEventListener("close", onClose);
  websocket.addEventListener("message", onMessage);
  websocket.addEventListener("error", onError);
}

function onOpen(evt) {
  console.log("CONNECTED");
  doSend("Websocket Rocks!")
}

function onClose(evt) {
  console.og("DISCONNECTED");
}

function onMessage(evt) {
  console.log('MESSAGE: ${evt.data}');
  websocket.close();
}

function doSend(message) {
  console.log('SEND: ${message}');
  websocket.send(message);
}

testWebSocket();  */

 //Listen for the onmessage event

function onOpen(evt) {
  console.log("CONNECTED");
  //doSend("Websocket Rocks!")
}

function onError(evt) {
  console.error("WebSocket error observed:", evt);
}

function onMessage(evt) {
  console.log(evt.data);
  websocket.send(evt.data);
}

websocket = new WebSocket(wsUri);
websocket.addEventListener("open", onOpen);
websocket.addEventListener("error", onError);
websocket.addEventListener("message", onMessage);

messaging.peerSocket.onmessage = function(evt) {
  //Output the message to the console
  console.log(evt.data);
  websocket.send("Are you reading me?");
}