troll.js

var ZenIRCBot = require('zenircbot-api').ZenIRCBot
var zen = new ZenIRCBot()
var sourceUrl = 'https://github.com/zenirc/zenircbot'

zen.register_commands(
    'troll.js',
  [{
    name: 'ls',
    description: 'Trolls the user for saying ls.'
  }, {
    name: '!source',
    description: 'Links to the source.'
  }, {
    name: '!ping',
    description: 'Pong.'
  }]
)

var privmsg = zen.filter({version: 1, type: 'privmsg'})
privmsg.on('data', function(msg) {
  if (/^ls$/.test(msg.data.message)) {
    zen.send_privmsg(msg.data.channel,
                     msg.data.sender + ': http://is.gd/afolif')
  }
})

var directed = zen.filter({version: 1, type: 'directed_privmsg'})
directed.on('data', function(msg) {
  var who = ['whoareyou', 'who are you?', 'source']
  if (/^ping$/i.test(msg.data.message)) {
    zen.send_privmsg(msg.data.channel, msg.data.sender + ': pong!')

  } else if (who.indexOf(msg.data.message) !== -1) {
    zen.redis.get('zenircbot:nick', function(err, nick) {
      if (!err) {
        zen.send_privmsg(msg.data.channel,
                         'I am ' + nick + ', an instance of ' +
                         'ZenIRCBot. My source can be found ' +
                         'here: ' + sourceUrl)
      }
    })
  }
})