mensagens em ruby com switalert

help_aplication
module ApplicationHelper
  def flash_message
    messages = ""
    [:success, :warning, :danger].each {|type|
      if flash[type]
        if type == :success
          messages = "<script type='text/javascript'> swal('Sucesso!', '#{flash[:success]}', 'success') </script>"
        elsif type == :warning
          messages = "<script type='text/javascript'> swal('Atenção!', '#{flash[:warning]}', 'warning') </script>"
        elsif type == :danger
          messages = "<script type='text/javascript'> swal('Falha!', '#{flash[:danger]}', 'error') </script>"
        end
      end
    }

    messages.html_safe
  end
end


application
<%= flash_message %>

controle
 flash[:danger] = 'Ação fiscal encerrada.'