module Sprockets::Compressors

def self.register_css_compressor(name, klass, options = {})
  @@default_css_compressor = name.to_sym if options[:default] || @@default_css_compressor.nil?
  @@css_compressors[name.to_sym] = {:klass => klass.to_s, :require => options[:require]}
end

def self.register_js_compressor(name, klass, options = {})
  @@default_js_compressor = name.to_sym if options[:default] || @@default_js_compressor.nil?
  @@js_compressors[name.to_sym] = {:klass => klass.to_s, :require => options[:require]}
end

def self.registered_css_compressor(name)
  if name.respond_to?(:to_sym)
    compressor = @@css_compressors[name.to_sym] || @@css_compressors[@@default_css_compressor]
    require compressor[:require] if compressor[:require]
    compressor[:klass].constantize.new
  else
    name
  end
end

def self.registered_js_compressor(name)
  if name.respond_to?(:to_sym)
    compressor = @@js_compressors[name.to_sym] || @@js_compressors[@@default_js_compressor]
    require compressor[:require] if compressor[:require]
    compressor[:klass].constantize.new
  else
    name
  end
end