Added back .NET 6 support

Author: xperiandri

Directory.Build.props

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <DotNetVersion>net8.0</DotNetVersion>
+    <LibraryDotNetVersions>net6.0;net8.0</LibraryDotNetVersions>
     <LangVersion>9.0</LangVersion>
     <FSharpCoreVersion>9.0.*</FSharpCoreVersion>
     <AccelerateBuildsInVisualStudio>true</AccelerateBuildsInVisualStudio>

src/FSharp.Data.GraphQL.Server.AspNetCore/FSharp.Data.GraphQL.Server.AspNetCore.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(DotNetVersion)</TargetFrameworks>
+    <TargetFrameworks>$(LibraryDotNetVersions)</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Deterministic>true</Deterministic>
     <Description>FSharp implementation of Facebook GraphQL query language (Application Infrastructure)</Description>

src/FSharp.Data.GraphQL.Server.AspNetCore/GraphQLRequestHandler.fs

@@ -153,7 +153,11 @@ and [<AbstractClass>] GraphQLRequestHandler<'Root>
             | ValueSome ast -> executor.AsyncExecute (ast, getInputContext)
 
         let response = result |> toResponse
+#if NET6_0
+        return Results.Ok response
+#else
         return (TypedResults.Ok response) :> IResult
+#endif
     }
 
     /// <summary>Check if the request is an introspection query
@@ -240,12 +244,20 @@ and [<AbstractClass>] GraphQLRequestHandler<'Root>
             )
 
         let response = result |> toResponse
+#if NET6_0
+        return Results.Ok response
+#else
         return (TypedResults.Ok response) :> IResult
+#endif
     }
 
     member handler.HandleAsync () : Task<Result<IResult, IResult>> = taskResult {
         if ctx.RequestAborted.IsCancellationRequested then
+#if NET6_0
+            return Results.NoContent()
+#else
             return TypedResults.Empty
+#endif
         else
             let executor = options.CurrentValue.SchemaExecutor
             match! checkOperationType () with

src/FSharp.Data.GraphQL.Server.Giraffe/FSharp.Data.GraphQL.Server.Giraffe.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(DotNetVersion)</TargetFrameworks>
+    <TargetFrameworks>$(LibraryDotNetVersions)</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <Deterministic>true</Deterministic>
     <Description>FSharp implementation of Facebook GraphQL query language (Giraffe integration)</Description>

src/FSharp.Data.GraphQL.Server.Giraffe/HttpHandlers.fs

@@ -33,7 +33,11 @@ module HttpHandlers =
 
     let private isMultipartRequest (req : HttpRequest) =
         not (System.String.IsNullOrEmpty (req.ContentType))
-        && req.ContentType.Contains (MediaTypeNames.Multipart.FormData)
+#if NET6_0
+        && req.ContentType.Contains "multipart/form-data"
+#else
+        && req.ContentType.Contains MediaTypeNames.Multipart.FormData
+#endif
 
     let setRequestType : HttpHandler =
         fun (next) (ctx) ->

src/FSharp.Data.GraphQL.Server.Middleware/FSharp.Data.GraphQL.Server.Middleware.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(DotNetVersion)</TargetFrameworks>
+    <TargetFrameworks>$(LibraryDotNetVersions)</TargetFrameworks>
     <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <ProduceReferenceAssembly>true</ProduceReferenceAssembly>

src/FSharp.Data.GraphQL.Server.Relay/FSharp.Data.GraphQL.Server.Relay.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(DotNetVersion)</TargetFrameworks>
+    <TargetFrameworks>$(LibraryDotNetVersions)</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     <Deterministic>true</Deterministic>

src/FSharp.Data.GraphQL.Server/FSharp.Data.GraphQL.Server.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>$(DotNetVersion)</TargetFrameworks>
+    <TargetFrameworks>$(LibraryDotNetVersions)</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     <Deterministic>true</Deterministic>

src/FSharp.Data.GraphQL.Shared/FSharp.Data.GraphQL.Shared.fsproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;$(DotNetVersion)</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;$(LibraryDotNetVersions)</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     <Deterministic>true</Deterministic>