gistfile1.txt

[ChildActionOnly]
public string GetRequireJSUrl(ViewContext context)
{
  var values = context.RouteData.Values;
  var controller = values["controller"].ToString().ToLower();
  var viewContext = (RazorView)context.View;
  var viewName = Path.GetFileNameWithoutExtension(viewContext.ViewPath);
  var requirePath = VirtualPathUtility.ToAbsolute("~/Content/js/lib/require-2.1.6.js");

  var loc = string.Format("~/Features/{0}/{1}.js", controller, viewName);

  if (System.IO.File.Exists(Server.MapPath(loc)))
  {
    return "<script data-main='" + VirtualPathUtility.ToAbsolute(loc) + "' src='" + requirePath + "'></script>";
  }

  // If we don't have a custom Require module, use the default (optional).
  return "<script data-main='" + VirtualPathUtility.ToAbsolute("~/Features/Shared/Default.js") + "' src='" + requirePath + "'></script>";
}