class SvelteOnRails::Lib::ViewHelperSupport

def determine_ssr
  _ssr = if @helper_options.key?(:ssr)
           if @conf.watch_changes?
             unless [true, false, :auto].include?(@helper_options[:ssr])
               raise "Only true, false, or :auto are allowed for the argument #ssr"
             end
           end
           @helper_options[:ssr]
         else
           @conf.ssr
         end
  _ssr == :auto ? request.headers[conf.non_ssr_request_header].blank? : _ssr
end