client

const WebSocket = require('ws');
const arguments = require('yargs').argv;

console.log('URL: ' + arguments.url);
console.log('Payload: ' + arguments.payload)

try{
  const connection = new WebSocket(arguments.url)

  connection.onopen = () => {
    try{
      connection.send(arguments.payload);
    }
    catch(err){
      console.log(`Error ${err}`);
      return;
    }
  }

  connection.onerror = (error) => {
    console.log(`WebSocket error: ${error}`)
  }

  connection.onmessage = (e) => {
    console.log(e.data)
  }
}
catch(err){
  console.log(`Error ${err}`);
  return;
}