convert_options_to_data_attributes

# File actionview/lib/action_view/helpers/url_helper.rb, line 551
        def convert_options_to_data_attributes(options, html_options)
          if html_options
            html_options = html_options.stringify_keys
            html_options['data-remote'] = 'true' if link_to_remote_options?(options) || link_to_remote_options?(html_options)

            method  = html_options.delete('method')

            add_method_to_attributes!(html_options, method) if method

            html_options
          else
            link_to_remote_options?(options) ? {'data-remote' => 'true'} : {}
          end
        end