greasemonkey coffeescript

gistfile1.txt

//;###
// ==UserScript==
// @name        coffeetest
// @namespace   http://example.com/coffeetest
// @include     *google.co.jp*
// @require     http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js
// @require     http://jashkenas.github.com/coffee-script/extras/coffee-script.js
// @version     1
// ==/UserScript==
eval(CoffeeScript.compile((<r>
# coffeescript from here ###

class Hip
    constructor: ->
        @usound = 'BURI!BURI!'
        @hsound = 'BOO!'
    unko: ->
        console.log @usound
        @
    he: ->
        console.log @hsound
        @

class SuperHip extends Hip
    constructor: ->
        @usound = 'BURI!!!!!!BURI!!!!!!'
        @hsound = 'BOO!!!!!!'

(new SuperHip()).he().unko()

# end of coffeescript #</r>).toString()));

From greasemonkey/greasemonkey#1529 (comment) :

Update: Looks like I need to use @require http://coffeescript.org/v2/browser-compiler/coffeescript.js per CoffeeScript docs. Here's an updated working example.