module Ransack::Helpers::FormHelper

def sort_url(search_object, attribute, *args)


<%= sort_url(@q, :created_at, default_order: :desc) %>
+sort_url+
def sort_url(search_object, attribute, *args)
  search, routing_proxy = extract_search_and_routing_proxy(search_object)
  unless Search === search
    raise TypeError, 'First argument must be a Ransack::Search!'
  end
  s = SortLink.new(search, attribute, args, params)
  url(routing_proxy, s.url_options)
end