Node.js Telnet Chat

index.js

// To Access Once Running: `telnet localhost 8124`
var net = require('net');

var users = [];
var red   = '\033[31m';	// command line colors
var reset = '\033[0m';
var server = net.createServer(function(c) {
	// handle new connection
	c.on('end', function() {
		console.log("end");
		// when connection ends, remove from user list
		users = users.filter(function(user) {
			return user.conn != c;
		});
	});
	c.write('Welcome! Enter a username: ');
	
	// add a new user
	var newUser = {
		conn: c,
		name: "<n/a>"	
	};
	users.push(newUser);
	var buffer = "";
	var handler = {
		emit: function() {},
		on: function() {},
		removeListener: function() {},
		destroy: function() {},
		end: function() {},
		write: function(statement) {
			if( statement == "\r\n" ){
				statement = buffer;
				buffer = "";
				console.log("end");
				// handle messages
				if( newUser.name == "<n/a>" ) {
					// make their first message their username
					newUser.name = (""+statement).replace(/\s/g, '');
					newUser.conn.write('> ');
				} else if( (statement+"").indexOf('\u0004') == -1 ) {
					// if this isn't merely an end statement, send it to others
					// ... and display on the senders screen as `ME:...`
					users.map(function(user) {
						if( user != newUser ) {
							user.conn.write(red+newUser.name+reset+": "+statement+"\r\n");
						} else {
							user.conn.write("> "+red+"ME"+reset+": "+statement+"\r\n");
						}
						user.conn.write("> ");
					});
				}
			} else {
				buffer += statement;
			}
		},
		writable: true
	};
	// feed messages through our handler
	newUser.conn.pipe(handler);		
});
server.listen(8124);