module Sprockets::CoffeeScriptProcessor

def self.cache_key
  @cache_key ||= "#{name}:#{Autoload::CoffeeScript::Source.version}:#{VERSION}".freeze
end

def self.call(input)
  data = input[:data]
  input[:cache].fetch([self.cache_key, data]) do
    Autoload::CoffeeScript.compile(data)
  end
end