class ActionDispatch::DebugExceptions

def render_for_browser_request(request, wrapper)
  template = create_template(request, wrapper)
  file = "rescues/#{wrapper.rescue_template}"
  if request.xhr?
    body = template.render(template: file, layout: false, formats: [:text])
    format = "text/plain"
  else
    body = template.render(template: file, layout: "rescues/layout")
    format = "text/html"
  end
  render(wrapper.status_code, body, format)
end