Refactor generic argument code + better Blazor support

Author: Genbox

Src/SimpleS3.Core/Internals/Extensions/TypeExtensions.cs

@@ -0,0 +1,22 @@
+namespace Genbox.SimpleS3.Core.Internals.Extensions;
+
+internal static class TypeExtensions
+{
+    internal static Type[] GetTypeArguments(this Type type)
+    {
+        Type[]? args = null;
+
+        foreach (Type intType in type.GetInterfaces())
+        {
+            args = intType.GetGenericArguments();
+
+            if (args.Length != 0)
+                break;
+        }
+
+        if (args == null)
+            throw new InvalidOperationException("Unable to find generic arguments");
+
+        return args;
+    }
+}

Src/SimpleS3.Core/Internals/Network/MarshalFactory.cs

@@ -22,18 +22,14 @@ public MarshalFactory(IEnumerable<IRequestMarshal> requestMarshals, IEnumerable<
         _requestMarshals = requestMarshals.ToDictionary(x =>
         {
             Type type = x.GetType();
-            Type iType = type.GetInterfaces()[0];
-            Type[] args = iType.GetGenericArguments();
-
+            Type[] args = type.GetTypeArguments();
             return args[0];
         }, x => x);
 
         _responseMarshals = responseMarshals.ToDictionary(x =>
         {
             Type type = x.GetType();
-            Type iType = type.GetInterfaces()[0];
-            Type[] args = iType.GetGenericArguments();
-
+            Type[] args = type.GetTypeArguments();
             return args[0];
         }, x => x);
     }

Src/SimpleS3.Core/Internals/Network/PostMapperFactory.cs

@@ -2,6 +2,8 @@
 using Genbox.SimpleS3.Core.Abstracts.Factories;
 using Genbox.SimpleS3.Core.Abstracts.Request;
 using Genbox.SimpleS3.Core.Abstracts.Response;
+using Genbox.SimpleS3.Core.Internals.Extensions;
+using Genbox.SimpleS3.Core.Internals.Helpers;
 
 namespace Genbox.SimpleS3.Core.Internals.Network;
 
@@ -14,9 +16,7 @@ public PostMapperFactory(IEnumerable<IPostMapper> postMappers)
         _postMappers = postMappers.ToDictionary(x =>
         {
             Type type = x.GetType();
-            Type iType = type.GetInterfaces()[0];
-            Type[] args = iType.GetGenericArguments();
-
+            Type[] args = type.GetTypeArguments();
             return $"{args[0].Name}-{args[1].Name}";
         }, x => x, StringComparer.Ordinal);
     }