juicer.rb

def juicer_script_tag(file)
 if Rails.env == 'development'
   contents = File.read(File.expand_path("#{file}.js", File.join(Rails.root, 'public', 'javascripts')))
   files = []
   
   contents.scan(/\@depends?\s+([^\s\'\"\;]+)/).to_a.each do |included|
     files << included.first unless included.first =~ /\*/
   end
   
   # The file that was to be included should be last.
   files << file.to_s
 else
   files = "#{file}.min"
 end
 
 javascript_include_tag(files)
end