class Spork::AppFramework::Rails

def helper(*args, &block)
  ([args].flatten - [:all]).each do |arg|
    next unless arg.is_a?(String)
    filename = arg + "_helper"
    unless ::ActiveSupport::Dependencies.search_for_file(filename)
      # this error message must raise in the format such that LoadError#path returns the filename
      raise LoadError.new("Missing helper file helpers/%s.rb" % filename)
    end
  end
  Spork.each_run(false) do
    modules_for_helpers(args).each do |mod|
      add_template_helper(mod)
    end
    _helpers.module_eval(&block) if block_given?
  end
end