Pizza voting IRC bot in Node.js

impartialoutsider.coffee

#!/usr/bin/env node

CHANNEL = '#bozler'
MINIMUM_HUMAN_REACTION = 2

DIALOGUE = 
  ACTIONS_IN_REPLY: [
    "I vote for pizza",
    "Disregard that, I vote for pizza",
    "Another vote for pizza!"
  ]

irc = require 'irc'
client = new irc.Client 'irc.bozler.net', 'ImpartialOutsider', 
  userName: 'im'
  realName: 'im'
  channels: [CHANNEL]

sayLock = false
say = (message, timeout, ignoreLock) ->
  unless sayLock
    sayLock = true
    timeout = Math.random()*30 unless timeout
    setTimeout ->
      client.say CHANNEL, message
      sayLock = false
    , timeout*1000 + MINIMUM_HUMAN_REACTION*1000

client.addListener "message#{CHANNEL}", (from, message) ->
  if Math.floor(Math.random()*11) is 3
    say(DIALOGUE.ACTIONS_IN_REPLY[Math.floor(Math.random()*DIALOGUE.ACTIONS_IN_REPLY.length-1)])

client.addListener 'pm', (from, message) ->
  client.say CHANNEL, message