[Blazor] Adds compresion support for all assets in an application

AspNetCore.sln

@@ -1806,6 +1806,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.AspNetCore.OpenAp
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "KeyManagementSimulator", "src\DataProtection\samples\KeyManagementSimulator\KeyManagementSimulator.csproj", "{5B5F86CC-3598-463C-9F9B-F78FBB6642F4}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "StaticAssets", "StaticAssets", "{274100A5-5B2D-4EA2-AC42-A62257FC6BDC}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.StaticAssets", "src\StaticAssets\src\Microsoft.AspNetCore.StaticAssets.csproj", "{4D8DE54A-4F32-4881-B07B-DDC79619E573}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.StaticAssets.Tests", "src\StaticAssets\test\Microsoft.AspNetCore.StaticAssets.Tests.csproj", "{9536C284-65B4-4884-BB50-06D629095C3E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -10903,6 +10909,38 @@ Global
 		{5B5F86CC-3598-463C-9F9B-F78FBB6642F4}.Release|x64.Build.0 = Release|Any CPU
 		{5B5F86CC-3598-463C-9F9B-F78FBB6642F4}.Release|x86.ActiveCfg = Release|Any CPU
 		{5B5F86CC-3598-463C-9F9B-F78FBB6642F4}.Release|x86.Build.0 = Release|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Debug|arm64.ActiveCfg = Debug|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Debug|arm64.Build.0 = Debug|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Debug|x64.Build.0 = Debug|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Debug|x86.Build.0 = Debug|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Release|arm64.ActiveCfg = Release|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Release|arm64.Build.0 = Release|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Release|x64.ActiveCfg = Release|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Release|x64.Build.0 = Release|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Release|x86.ActiveCfg = Release|Any CPU
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573}.Release|x86.Build.0 = Release|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Debug|arm64.ActiveCfg = Debug|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Debug|arm64.Build.0 = Debug|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Debug|x64.Build.0 = Debug|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Debug|x86.Build.0 = Debug|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Release|arm64.ActiveCfg = Release|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Release|arm64.Build.0 = Release|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Release|x64.ActiveCfg = Release|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Release|x64.Build.0 = Release|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Release|x86.ActiveCfg = Release|Any CPU
+		{9536C284-65B4-4884-BB50-06D629095C3E}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -11795,6 +11833,9 @@ Global
 		{9DC6B242-457B-4767-A84B-C3D23B76C642} = {2299CCD8-8F9C-4F2B-A633-9BF4DA81022B}
 		{D53F0EF7-0CDC-49B4-AA2D-229901B0A734} = {9DC6B242-457B-4767-A84B-C3D23B76C642}
 		{5B5F86CC-3598-463C-9F9B-F78FBB6642F4} = {8275510E-0E6C-45A8-99DF-4F106BC7F075}
+		{274100A5-5B2D-4EA2-AC42-A62257FC6BDC} = {017429CC-C5FB-48B4-9C46-034E29EE2F06}
+		{4D8DE54A-4F32-4881-B07B-DDC79619E573} = {274100A5-5B2D-4EA2-AC42-A62257FC6BDC}
+		{9536C284-65B4-4884-BB50-06D629095C3E} = {274100A5-5B2D-4EA2-AC42-A62257FC6BDC}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {3E8720B3-DBDD-498C-B383-2CC32A054E8F}

eng/Build.props

@@ -174,6 +174,7 @@
                           $(RepoRoot)src\Mvc\**\*.*proj;
                           $(RepoRoot)src\Azure\**\*.*proj;
                           $(RepoRoot)src\SignalR\**\*.csproj;
+                          $(RepoRoot)src\StaticAssets\**\*.csproj;
                           $(RepoRoot)src\Components\**\*.csproj;
                           $(RepoRoot)src\Analyzers\**\*.csproj;
                           $(RepoRoot)src\FileProviders\**\*.csproj;
@@ -219,6 +220,7 @@
                           $(RepoRoot)src\Mvc\**\src\*.csproj;
                           $(RepoRoot)src\Azure\**\src\*.csproj;
                           $(RepoRoot)src\SignalR\**\src\*.csproj;
+                          $(RepoRoot)src\StaticAssets\src\*.csproj;
                           $(RepoRoot)src\Components\**\src\*.csproj;
                           $(RepoRoot)src\FileProviders\**\src\*.csproj;
                           $(RepoRoot)src\Configuration.KeyPerFile\**\src\*.csproj;

eng/ProjectReferences.props

@@ -139,6 +139,7 @@
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.SignalR" ProjectPath="$(RepoRoot)src\SignalR\server\SignalR\src\Microsoft.AspNetCore.SignalR.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.SignalR.Specification.Tests" ProjectPath="$(RepoRoot)src\SignalR\server\Specification.Tests\src\Microsoft.AspNetCore.SignalR.Specification.Tests.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.SignalR.StackExchangeRedis" ProjectPath="$(RepoRoot)src\SignalR\server\StackExchangeRedis\src\Microsoft.AspNetCore.SignalR.StackExchangeRedis.csproj" />
+    <ProjectReferenceProvider Include="Microsoft.AspNetCore.StaticAssets" ProjectPath="$(RepoRoot)src\StaticAssets\src\Microsoft.AspNetCore.StaticAssets.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.Components.Authorization" ProjectPath="$(RepoRoot)src\Components\Authorization\src\Microsoft.AspNetCore.Components.Authorization.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.Components" ProjectPath="$(RepoRoot)src\Components\Components\src\Microsoft.AspNetCore.Components.csproj" />
     <ProjectReferenceProvider Include="Microsoft.AspNetCore.Components.CustomElements" ProjectPath="$(RepoRoot)src\Components\CustomElements\src\Microsoft.AspNetCore.Components.CustomElements.csproj" />

eng/SharedFramework.Local.props

@@ -107,6 +107,7 @@
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.Http.Connections" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.SignalR.Core" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.SignalR" />
+    <AspNetCoreAppReference Include="Microsoft.AspNetCore.StaticAssets" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.Components.Endpoints" />
     <AspNetCoreAppReference Include="Microsoft.AspNetCore.Components.Server" />
   </ItemGroup>

eng/ShippingAssemblies.props

@@ -88,6 +88,7 @@
     <AspNetCoreShippingAssembly Include="Microsoft.AspNetCore.SignalR.Common" />
     <AspNetCoreShippingAssembly Include="Microsoft.AspNetCore.SignalR.Core" />
     <AspNetCoreShippingAssembly Include="Microsoft.AspNetCore.SignalR" />
+    <AspNetCoreShippingAssembly Include="Microsoft.AspNetCore.StaticAssets" />
     <AspNetCoreShippingAssembly Include="Microsoft.AspNetCore.Components.Authorization" />
     <AspNetCoreShippingAssembly Include="Microsoft.AspNetCore.Components" />
     <AspNetCoreShippingAssembly Include="Microsoft.AspNetCore.Components.Endpoints" />

eng/TrimmableProjects.props

@@ -88,6 +88,7 @@
     <TrimmableProject Include="Microsoft.AspNetCore.Http.Connections.Common" />
     <TrimmableProject Include="Microsoft.AspNetCore.Http.Connections" />
     <TrimmableProject Include="Microsoft.AspNetCore.SignalR.Common" />
+    <TrimmableProject Include="Microsoft.AspNetCore.StaticAssets" />
     <TrimmableProject Include="Microsoft.AspNetCore.Components.Authorization" />
     <TrimmableProject Include="Microsoft.AspNetCore.Components" />
     <TrimmableProject Include="Microsoft.AspNetCore.Components.CustomElements" />

global.json

@@ -1,9 +1,9 @@
 {
   "sdk": {
-    "version": "9.0.100-preview.5.24229.2"
+    "version": "9.0.100-preview.5.24253.17"
   },
   "tools": {
-    "dotnet": "9.0.100-preview.5.24229.2",
+    "dotnet": "9.0.100-preview.5.24253.17",
     "runtimes": {
       "dotnet/x86": [
         "$(MicrosoftNETCoreBrowserDebugHostTransportVersion)"

src/Components/Components.slnf

@@ -25,6 +25,9 @@
       "src\\Components\\WebAssembly\\Authentication.Msal\\src\\Microsoft.Authentication.WebAssembly.Msal.csproj",
       "src\\Components\\WebAssembly\\DevServer\\src\\Microsoft.AspNetCore.Components.WebAssembly.DevServer.csproj",
       "src\\Components\\WebAssembly\\JSInterop\\src\\Microsoft.JSInterop.WebAssembly.csproj",
+      "src\\Components\\WebAssembly\\Samples\\HostedBlazorWebassemblyApp\\Client\\HostedBlazorWebassemblyApp.Client.csproj",
+      "src\\Components\\WebAssembly\\Samples\\HostedBlazorWebassemblyApp\\Server\\HostedBlazorWebassemblyApp.Server.csproj",
+      "src\\Components\\WebAssembly\\Samples\\HostedBlazorWebassemblyApp\\Shared\\HostedBlazorWebassemblyApp.Shared.csproj",
       "src\\Components\\WebAssembly\\Server\\src\\Microsoft.AspNetCore.Components.WebAssembly.Server.csproj",
       "src\\Components\\WebAssembly\\Server\\test\\Microsoft.AspNetCore.Components.WebAssembly.Server.Tests.csproj",
       "src\\Components\\WebAssembly\\WebAssembly.Authentication\\src\\Microsoft.AspNetCore.Components.WebAssembly.Authentication.csproj",
@@ -145,6 +148,8 @@
       "src\\SignalR\\common\\SignalR.Common\\src\\Microsoft.AspNetCore.SignalR.Common.csproj",
       "src\\SignalR\\server\\Core\\src\\Microsoft.AspNetCore.SignalR.Core.csproj",
       "src\\SignalR\\server\\SignalR\\src\\Microsoft.AspNetCore.SignalR.csproj",
+      "src\\StaticAssets\\src\\Microsoft.AspNetCore.StaticAssets.csproj",
+      "src\\StaticAssets\\test\\Microsoft.AspNetCore.StaticAssets.Tests.csproj",
       "src\\Testing\\src\\Microsoft.AspNetCore.InternalTesting.csproj",
       "src\\WebEncoders\\src\\Microsoft.Extensions.WebEncoders.csproj"
     ]

src/Components/Endpoints/src/Builder/ComponentEndpointConventionBuilderHelper.cs

@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Routing;
 
 namespace Microsoft.AspNetCore.Components.Endpoints.Infrastructure;
 
@@ -19,5 +20,11 @@ public static void AddRenderMode(RazorComponentsEndpointConventionBuilder builde
     {
         builder.AddRenderMode(renderMode);
     }
+
+    /// <summary>
+    /// This method is not recommended for use outside of the Blazor framework.
+    /// </summary>
+    /// <param name="builder"></param>
+    public static IEndpointRouteBuilder GetEndpointRouteBuilder(RazorComponentsEndpointConventionBuilder builder) => builder.EndpointRouteBuilder;
 }
 

src/Components/Endpoints/src/Builder/RazorComponentEndpointDataSource.cs

@@ -39,19 +39,20 @@ internal class RazorComponentEndpointDataSource<[DynamicallyAccessedMembers(Comp
     public RazorComponentEndpointDataSource(
         ComponentApplicationBuilder builder,
         IEnumerable<RenderModeEndpointProvider> renderModeEndpointProviders,
-        IApplicationBuilder applicationBuilder,
+        IEndpointRouteBuilder endpointRouteBuilder,
         RazorComponentEndpointFactory factory,
         HotReloadService? hotReloadService = null)
     {
         _builder = builder;
-        _applicationBuilder = applicationBuilder;
+        _applicationBuilder = endpointRouteBuilder.CreateApplicationBuilder();
         _renderModeEndpointProviders = renderModeEndpointProviders.ToArray();
         _factory = factory;
         _hotReloadService = hotReloadService;
         HotReloadService.ClearCacheEvent += OnHotReloadClearCache;
         DefaultBuilder = new RazorComponentsEndpointConventionBuilder(
             _lock,
             builder,
+            endpointRouteBuilder,
             _options,
             _conventions,
             _finallyConventions);

src/Components/Endpoints/src/Builder/RazorComponentEndpointDataSourceFactory.cs

@@ -31,6 +31,6 @@ internal class RazorComponentEndpointDataSourceFactory
         var builder = ComponentApplicationBuilder.GetBuilder<TRootComponent>() ??
             DefaultRazorComponentApplication<TRootComponent>.Instance.GetBuilder();
 
-        return new RazorComponentEndpointDataSource<TRootComponent>(builder, _providers, endpoints.CreateApplicationBuilder(), _factory, _hotReloadService);
+        return new RazorComponentEndpointDataSource<TRootComponent>(builder, _providers, endpoints, _factory, _hotReloadService);
     }
 }

src/Components/Endpoints/src/Builder/RazorComponentsEndpointConventionBuilder.cs

@@ -4,6 +4,7 @@
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Discovery;
 using Microsoft.AspNetCore.Components.Endpoints;
+using Microsoft.AspNetCore.Routing;
 
 namespace Microsoft.AspNetCore.Builder;
 
@@ -14,19 +15,22 @@ public sealed class RazorComponentsEndpointConventionBuilder : IEndpointConventi
 {
     private readonly object _lock;
     private readonly ComponentApplicationBuilder _builder;
+    private readonly IEndpointRouteBuilder _endpointRouteBuilder;
     private readonly RazorComponentDataSourceOptions _options;
     private readonly List<Action<EndpointBuilder>> _conventions;
     private readonly List<Action<EndpointBuilder>> _finallyConventions;
 
     internal RazorComponentsEndpointConventionBuilder(
         object @lock,
         ComponentApplicationBuilder builder,
+        IEndpointRouteBuilder endpointRouteBuilder,
         RazorComponentDataSourceOptions options,
         List<Action<EndpointBuilder>> conventions,
         List<Action<EndpointBuilder>> finallyConventions)
     {
         _lock = @lock;
         _builder = builder;
+        _endpointRouteBuilder = endpointRouteBuilder;
         _options = options;
         _conventions = conventions;
         _finallyConventions = finallyConventions;
@@ -37,6 +41,8 @@ public sealed class RazorComponentsEndpointConventionBuilder : IEndpointConventi
     /// </summary>
     internal ComponentApplicationBuilder ApplicationBuilder => _builder;
 
+    internal IEndpointRouteBuilder EndpointRouteBuilder => _endpointRouteBuilder;
+
     /// <inheritdoc/>
     public void Add(Action<EndpointBuilder> convention)
     {

src/Components/Endpoints/src/PublicAPI.Unshipped.txt

@@ -1,3 +1,4 @@
 #nullable enable
 Microsoft.AspNetCore.Components.Routing.RazorComponentsEndpointHttpContextExtensions
+static Microsoft.AspNetCore.Components.Endpoints.Infrastructure.ComponentEndpointConventionBuilderHelper.GetEndpointRouteBuilder(Microsoft.AspNetCore.Builder.RazorComponentsEndpointConventionBuilder! builder) -> Microsoft.AspNetCore.Routing.IEndpointRouteBuilder!
 static Microsoft.AspNetCore.Components.Routing.RazorComponentsEndpointHttpContextExtensions.AcceptsInteractiveRouting(this Microsoft.AspNetCore.Http.HttpContext! context) -> bool

src/Components/Endpoints/test/HotReloadServiceTests.cs

@@ -220,7 +220,7 @@ private IServiceProvider CreateServices(params Type[] types)
         var result = new RazorComponentEndpointDataSource<TComponent>(
             builder,
             new[] { new MockEndpointProvider() },
-            new ApplicationBuilder(services),
+            new TestEndpointRouteBuilder(services),
             new RazorComponentEndpointFactory(),
             new HotReloadService() { MetadataUpdateSupported = true });
 
@@ -256,4 +256,18 @@ public override IEnumerable<RouteEndpointBuilder> GetEndpointBuilders(IComponent
 
         public override bool Supports(IComponentRenderMode renderMode) => true;
     }
+
+    private class TestEndpointRouteBuilder : IEndpointRouteBuilder
+    {
+        private IServiceProvider _serviceProvider;
+        private List<EndpointDataSource> _dataSources = new();
+
+        public TestEndpointRouteBuilder(IServiceProvider serviceProvider) => _serviceProvider = serviceProvider;
+
+        public IServiceProvider ServiceProvider => _serviceProvider;
+
+        public ICollection<EndpointDataSource> DataSources => _dataSources;
+
+        public IApplicationBuilder CreateApplicationBuilder() => new ApplicationBuilder(_serviceProvider);
+    }
 }

src/Components/Endpoints/test/RazorComponentEndpointDataSourceTest.cs

@@ -228,7 +228,7 @@ private IServiceProvider CreateServices(params Type[] types)
         var result = new RazorComponentEndpointDataSource<TComponent>(
             builder ?? DefaultRazorComponentApplication<TComponent>.Instance.GetBuilder(),
             services?.GetService<IEnumerable<RenderModeEndpointProvider>>() ?? Enumerable.Empty<RenderModeEndpointProvider>(),
-            new ApplicationBuilder(services ?? new ServiceCollection().BuildServiceProvider()),
+            new TestEndpointRouteBuilder(services ?? new ServiceCollection().BuildServiceProvider()),
             new RazorComponentEndpointFactory(),
             new HotReloadService() { MetadataUpdateSupported = true });
 
@@ -277,6 +277,20 @@ public override IEnumerable<RouteEndpointBuilder> GetEndpointBuilders(IComponent
 
         public override bool Supports(IComponentRenderMode renderMode) => renderMode is InteractiveWebAssemblyRenderMode or InteractiveAutoRenderMode;
     }
+
+    private class TestEndpointRouteBuilder : IEndpointRouteBuilder
+    {
+        private IServiceProvider _serviceProvider;
+        private List<EndpointDataSource> _dataSources = new();
+
+        public TestEndpointRouteBuilder(IServiceProvider serviceProvider) => _serviceProvider = serviceProvider;
+
+        public IServiceProvider ServiceProvider => _serviceProvider;
+
+        public ICollection<EndpointDataSource> DataSources => _dataSources;
+
+        public IApplicationBuilder CreateApplicationBuilder() => new ApplicationBuilder(_serviceProvider);
+    }
 }
 
 public class App : IComponent

src/Components/Samples/BlazorUnitedApp/BlazorUnitedApp.csproj

@@ -12,6 +12,7 @@
     <Reference Include="Microsoft.AspNetCore.Components.Server" />
     <Reference Include="Microsoft.AspNetCore.HttpsPolicy" />
     <Reference Include="Microsoft.AspNetCore.StaticFiles" />
+    <Reference Include="Microsoft.AspNetCore.StaticAssets" />
     <Reference Include="Microsoft.AspNetCore.Mvc" />
   </ItemGroup>
 

src/Components/Samples/BlazorUnitedApp/Program.cs

@@ -27,6 +27,7 @@
 app.UseStaticFiles();
 app.UseAntiforgery();
 
+app.MapStaticAssets();
 app.MapRazorComponents<App>()
     .AddInteractiveServerRenderMode();
 

src/Components/WebAssembly/Samples/HostedBlazorWebassemblyApp/Server/HostedBlazorWebassemblyApp.Server.csproj

@@ -11,6 +11,7 @@
     <Reference Include="Microsoft.AspNetCore" />
     <Reference Include="Microsoft.AspNetCore.HttpsPolicy" />
     <Reference Include="Microsoft.AspNetCore.Mvc" />
+    <Reference Include="Microsoft.AspNetCore.StaticAssets" />
     <Reference Include="Microsoft.Extensions.Hosting" />
   </ItemGroup>
 

src/Components/WebAssembly/Samples/HostedBlazorWebassemblyApp/Server/Startup.cs

@@ -5,6 +5,7 @@
 using HostedBlazorWebassemblyApp.Server.Data;
 using HostedBlazorWebassemblyApp.Shared;
 using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Components.WebAssembly.Server;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.HttpsPolicy;
 using Microsoft.Extensions.Configuration;
@@ -48,16 +49,14 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
         }
 
         app.UseHttpsRedirection();
-        app.UseBlazorFrameworkFiles();
-        app.UseStaticFiles();
 
         app.UseRouting();
 
         app.UseEndpoints(endpoints =>
         {
             endpoints.MapRazorPages();
             endpoints.MapControllers();
-            //endpoints.MapFallbackToFile("index.html");
+            endpoints.MapStaticAssets();
             endpoints.MapFallbackToPage("/_Host");
         });
     }

src/Components/WebAssembly/Server/src/Builder/WebAssemblyComponentsEndpointOptions.cs

@@ -26,4 +26,11 @@ public sealed class WebAssemblyComponentsEndpointOptions
     /// information, see <see href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer#security_requirements" />.
     /// </summary>
     public bool ServeMultithreadingHeaders { get; set; }
+
+    /// <summary>
+    /// Gets or sets the <see cref="string"/> that determines the static assets manifest path mapped to this app.
+    /// </summary>
+    public string? StaticAssetsManifestPath { get; set; }
+
+    internal bool ConventionsApplied { get; set; }
 }