Simplify

src/Components/Endpoints/src/Builder/RazorComponentsEndpointHttpContextExtensions.cs

@@ -1,24 +1,16 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Concurrent;
-using System.Reflection;
-using System.Reflection.Metadata;
 using Microsoft.AspNetCore.Components.Endpoints;
-using Microsoft.AspNetCore.Components.Routing;
 using Microsoft.AspNetCore.Http;
 
-[assembly: MetadataUpdateHandler(typeof(RazorComponentsEndpointHttpContextExtensions.MetadataUpdateHandler))]
-
 namespace Microsoft.AspNetCore.Components.Routing;
 
 /// <summary>
 /// Extensions to <see cref="HttpContext"/> for Razor component applications.
 /// </summary>
 public static class RazorComponentsEndpointHttpContextExtensions
 {
-    private static readonly ConcurrentDictionary<Type, bool> AllowsInteractiveRoutingCache = new();
-
     /// <summary>
     /// Determines whether the current endpoint is a Razor component that can be reached through
     /// interactive routing. This is true for all page components except if they declare the
@@ -28,20 +20,8 @@ public static class RazorComponentsEndpointHttpContextExtensions
     /// <returns>True if the current endpoint is a Razor component that does not declare <see cref="AllowInteractiveRoutingAttribute"/> with value <see langword="false"/>.</returns>
     public static bool AllowsInteractiveRouting(this HttpContext? context)
     {
-        var pageType = context?.GetEndpoint()?.Metadata.GetMetadata<ComponentTypeMetadata>()?.Type;
-
-        return pageType is not null
-            && AllowsInteractiveRoutingCache.GetOrAdd(
-                pageType,
-                pageType.GetCustomAttribute<AllowInteractiveRoutingAttribute>() is not { Allow: false });
-    }
-
-    internal static class MetadataUpdateHandler
-    {
-        /// <summary>
-        /// Invoked as part of <see cref="MetadataUpdateHandlerAttribute" /> contract for hot reload.
-        /// </summary>
-        public static void ClearCache(Type[]? _)
-            => AllowsInteractiveRoutingCache.Clear();
+        var metadata = context?.GetEndpoint()?.Metadata;
+        return metadata?.GetMetadata<ComponentTypeMetadata>() is not null
+            && metadata.GetMetadata<AllowInteractiveRoutingAttribute>() is not { Allow: false };
     }
 }