Formatting Curly methods.

curly_doc.rb

module CurlyDoc
  def self.documentation_for_method(method)
    pretty_name = CurlyInfo.curly_name(method)
    description = I18n.translate(method.name, namespace: "curly.methods")
    
    "%s - %s" % [pretty_name, description]
  end
end

curly_info.rb

module CurlyInfo
  # Formats the method nicely.
  #
  # method - A Method on a presenter class.
  #
  # Example
  #
  #   class FunnyPresenter < Curly::Presenter
  #     def hello(somearg)
  #       ...
  #     end
  #   end
  #
  #   method = FunnyPresenter.instance_method(:hello)
  #   CurlyInfo.curly_name(method) #=> "{{hello.somearg}}"
  #
  # Returns a String representing the method.
  def self.curly_name(method)
    if method.arity == 1
      parameter = method.parameters[0]

      # First item is e.g. :req, second is the name.
      argument_name = parameter[1]

      "{{%s.<%s>}}" % [method.name, argument_name]
    else
      "{{%s}}" % method.name
    end
  end
end