index.js

var fs = require('fs');

var isThere = require('is-there');

var Irc = require('irc');

var configPath = isThere('./config.js') ? './config.js' : './config.default.js';

global.Config = require(configPath);

global.Bot = {
	approved: Config.irc.trusted.split(/\s/gi),
	onStartup: [],
	onConnected: [],
	onJoin: [],
	onLeave: [],
	commands: {}
};

global.irc = new Irc.Client(Config.irc.network, Config.irc.nick, {
	userName: Config.irc.name,
	channels: Config.irc.rooms.split(/\s/gi)
});

irc.addListener('registered', function(message) {
	irc.send('/msg NickServ IDENTIFY ' + Config.irc.password);

	for (var i = 0; i < Bot.onStartup.length; i++) {
		Bot.onStartup[i]();
	}
});

irc.addListener('message', function(from, to, text, message) {
	var input = parseCommand(text);

	if (!!input && !!Bot.commands[input]) {
		var args = parseInput(text);

		Bot.commands[input].script(from, args, to, text, message);
	}
});

fs.readdir('./extensions', function(err, files) {
	for (var i = 0; i < files.length; i++) {
		var extension = require('./extensions/' + files[i]);

		if (typeof extension.enabled === 'undefined' || extension.enabled) {
			if (!!extension.onStartup) Bot.onStartup.push(extension.onStartup);
			//if (!!extension.onConnected) Bot.onConnected.push(extension.onConnected);
			//if (!!extension.onJoin)      Bot.onJoin.push(extension.onJoin);
			//if (!!extension.onLeave)     Bot.onLeave.push(extension.onLeave);
			if (!!extension.onMessage) irc.addListener('message', extension.onMessage);

			if (!!extension.commands) {
				for (var j = 0; j < extension.commands.length; j++) {
					var command = extension.commands[j];

					Bot.commands[command.command] = {
						description: command.description,
						script: command.script
					};
				}
			}
		}
	}
});

function parseInput(text) {
	var args = text.split(/\s/gi);

	args.splice(0, 1);

	return args;
}

function parseCommand(text) {
	var commandRegex = /^!(\w+)/gi;

	if ((result = commandRegex.exec(text)) !== null) return result[1];
	else return undefined;
}