From 9da750c5c90b84a8522a23e00a1dbc6ae1047351 Mon Sep 17 00:00:00 2001
From: Lars-Erik Aabech <lea@markedspartner.no>
Date: Sun, 9 Sep 2018 22:46:14 +0200
Subject: [PATCH] Support registering named singleton

---
 src/Umbraco.Core/Composing/ContainerExtensions.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Umbraco.Core/Composing/ContainerExtensions.cs b/src/Umbraco.Core/Composing/ContainerExtensions.cs
index 5d839c9c8e..33925e010b 100644
--- a/src/Umbraco.Core/Composing/ContainerExtensions.cs
+++ b/src/Umbraco.Core/Composing/ContainerExtensions.cs
@@ -105,6 +105,13 @@ namespace Umbraco.Core.Composing
         public static void RegisterSingleton<TService>(this IContainer container, Func<IContainer, TService> factory)
             => container.Register(factory, Lifetime.Singleton);
 
+        /// <summary>
+        /// Registers a named singleton service with an implementation factory.
+        /// Note to implementors: The last registered component must be the default.
+        /// </summary>
+        public static void RegisterSingleton<TService>(this IContainer container, string name, Func<IContainer, TService> factory)
+            => container.Register(factory, name, Lifetime.Singleton);
+
         /// <summary>
         /// Registers a service with an implementing instance.
         /// </summary>