My first Hubot script

croc.coffee

# Croc’s moods
# Author: Artem Sapegin (http://sapegin.ru)
#
# croc me <mood> - Displays a link to <mood> mood of Pearls Before Swine’s croc


# http://coffeescriptcookbook.com/chapters/arrays/removing-duplicate-elements-from-arrays
Array::unique = ->
	output = {}
	output[@[key]] = @[key] for key in [0...@length]
	value for key, value of output
  
module.exports = (robot) ->
	robot.respond /crocs?(?: me)? (\w+)$/i, (msg) ->
		croc = msg.match[1].toLowerCase()
		msg.send if crocs[croc] then "http://savethehamsters.ru/crocs/##{crocs[croc]}" else help()

	robot.respond /crocs?(?: me)?$/i, (msg) ->
		msg.send help()
		
help = ->
	moods = (v for k, v of crocs)
	'Available moods:\n\n' + moods.unique().join('\n')

crocs =
	angry: 'angry'
	apathetic: 'apathetic'
	confuse: 'confused'
	confused: 'confused'
	cry: 'cry'
	drunk: 'drunk'
	energy: 'energetic'
	energetic: 'energetic'
	happy: 'happy'
	high: 'high'
	holy: 'holy'
	indifferent: 'indifferent'
	love: 'loved'
	loved: 'loved'
	mischievous: 'mischievous'
	nerd: 'nerdy'
	nerdy: 'nerdy'
	ok: 'okay'
	okay: 'okay'
	peace: 'peaceful'
	peaceful: 'peaceful'
	sad: 'sad'
	sleepy: 'sleepy'
	work: 'working'
	working: 'working'