ServiceStack v3.9.55.0 - Dynamically add OPTIONS to all routes

AppHostBase

///  Call this ad the end of your app host Configure(Funq.Container container) method
private void AddOptionsVerbToAllRoutes(IServiceRoutes routes)
{
    var map = EndpointHost.ServiceManager.ServiceController.RestPathMap;
    foreach (var key in map.Keys)
    {
        foreach (RestPath rp in map[key])
        {
            routes.Add(rp.RequestType, rp.Path, "OPTIONS");
        }
    }
}