Fixed SpaFallback redirection tests failing by clearing the HTTP response

Author: Arman Ossi Loko

src/SpaFallback/SpaFallback.csproj

@@ -1,20 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Version>3.0.0</Version>
-    <TargetFrameworks>netstandard2.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0</TargetFrameworks>
     <AssemblyName>Hellang.Middleware.SpaFallback</AssemblyName>
     <RootNamespace>Hellang.Middleware.SpaFallback</RootNamespace>
     <Description>SPA fallback middleware for client-side routing</Description>
     <PackageReleaseNotes>Added automatic host injection</PackageReleaseNotes>
     <PackageTags>middleware;spa;routing</PackageTags>
   </PropertyGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="2.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Options" Version="2.1.1" />
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+  <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
 

src/SpaFallback/SpaFallbackMiddleware.cs

@@ -1,4 +1,4 @@
-using System.Threading.Tasks;
+using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Options;
 
@@ -38,6 +38,9 @@ private async Task Fallback(HttpContext context)
 
                 context.Request.Path = fallbackPath;
 
+                // Reset HTTP response headers, status code and the response body to make room for the redirected endpoint content.
+                context.Response.Clear();
+
                 await Next(context);
 
                 if (context.ShouldThrow(Options))