const WebSocket = require('ws'); const chalk = require('chalk'); const { log } = console; const logParse = (data) => { return data.map((it) => JSON.stringify(it)).join(' '); }; const wss = new WebSocket.Server({ port: 8080 }); wss.on('connection', function connection(ws) { ws.on('message', function incoming(message) { const event = JSON.parse(message); const { type, data } = event; switch (type) { case 'log': log('>>', logParse(data)); break; case 'error': log('>>', chalk.red(logParse(data))); break; case 'warn': log('>>', chalk.yellow(logParse(data))); break; case 'debug': log('>>', chalk.blue(logParse(data))); break; default: log('>>', logParse(data)); } }); ws.send('something'); });