Node.js IRC bot

bot.js

var net = require('net'),
	irc = {}, config;

config = {
	user: {
		nick: '',
		user: '',
		real: '',
		pass: ''
	},
	server: {
		addr: '',
		port: 6667
	},
	chans: ['#webdevRefinery', '#test']
}

irc.socket = new net.Socket();

irc.socket.on('data', function(data)
{
	data = data.split('\n');
	for (var i = 0; i < data.length; i++)
	{
		console.log('RECV -', data[i]);
		if (data !== '')
		{
			irc.handle(data[i].slice(0, -1));
		}
	}
});

irc.socket.on('connect', function()
{
	console.log('Established connection, registering and shit...');
	irc.on(/^PING :(.+)$/i, function(info)
	{
		irc.raw('PONG :' + info[1]);
	});
	setTimeout(function()
	{
		irc.raw('NICK ' + config.user.nick);
		irc.raw('USER ' + config.user.user + ' 8 * :' + config.user.real);
		setTimeout(function()
		{
			for (var i = 0; i < config.chans.length; i++)
			{
				irc.join(config.chans[i]);
			}
		}, 2000);
	}, 1000);
});

irc.socket.setEncoding('ascii');
irc.socket.setNoDelay();
irc.socket.connect(config.server.port, config.server.addr);

//handles incoming messages
irc.handle = function(data)
{
	var i, info;
	for (i = 0; i < irc.listeners.length; i++)
	{
		info = irc.listeners[i][0].exec(data);
		if (info)
		{
			irc.listeners[i][1](info, data);
			if (irc.listeners[i][2])
			{
				irc.listeners.splice(i, 1);
			}
		}
	}
}

irc.listeners = [];
irc.on = function(data, callback)
{
	irc.listeners.push([data, callback, false])
}
irc.on_once = function(data, callback)
{
	irc.listeners.push([data, callback, true]);
}

irc.raw = function(data)
{
	irc.socket.write(data + '\n', 'ascii', function()
	{
		console.log('SENT -', data);
	});
}

this is great! I know it's 6 years old, but it's really helped me understand sockets and protocols for IRC in a node.js context.