Add JSON scalar support.

src/TestApp/ZeroQL.TestApp/Generated/GraphQL.g.cs

@@ -1,4 +1,4 @@
-// 302dc6c36efd8d744950dd4fd73041c0
+// e9a97846d5996e1ece2906a06ec5b6af
 // This file generated for ZeroQL.
 // <auto-generated/>
 #pragma warning disable 8618
@@ -95,6 +95,13 @@ public T Author<T>(Func<User, T> selector)
         }
     }
 
+    [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]
+    public class JsonDocument
+    {
+        [ZeroQL.GraphQLFieldSelector("rootElement")]
+        public global::System.Text.Json.JsonElement RootElement { get; set; }
+    }
+
     [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]
     public class KeyValuePairOfStringAndString
     {
@@ -453,6 +460,18 @@ public T Container<T>(Func<TypesContainer, T> selector)
         {
             return __Container is null ? throw new NullReferenceException("Container is null but it should not be null. Schema can be outdated.") : selector(__Container);
         }
+
+        [ZeroQL.GraphQLFieldSelector("jsonUsersElement")]
+        public global::System.Text.Json.JsonElement JsonUsersElement { get; set; }
+
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never), JsonPropertyName("JsonUsersDocument")]
+        public JsonDocument __JsonUsersDocument { get; set; }
+
+        [ZeroQL.GraphQLFieldSelector("jsonUsersDocument")]
+        public T JsonUsersDocument<T>(Func<JsonDocument, T> selector)
+        {
+            return __JsonUsersDocument is null ? throw new NullReferenceException("JsonUsersDocument is null but it should not be null. Schema can be outdated.") : selector(__JsonUsersDocument);
+        }
     }
 
     [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]

src/TestApp/ZeroQL.TestApp/schema.graphql

@@ -38,6 +38,10 @@ type ImageContent {
   author: User!
 }
 
+type JsonDocument {
+  rootElement: JSON!
+}
+
 type KeyValuePairOfStringAndString {
   key: String!
   value: String!
@@ -98,6 +102,8 @@ type Query {
   userKind(id: Int!): UserKind!
   admin(id: Int!): User
   container: TypesContainer!
+  jsonUsersElement: JSON!
+  jsonUsersDocument: JsonDocument!
 }
 
 type Role {
@@ -216,6 +222,8 @@ scalar Decimal
 "Represents an instant on the global timeline, with nanosecond resolution."
 scalar Instant
 
+scalar JSON
+
 "The `Long` scalar type represents non-fractional signed whole 64-bit numeric values. Long can represent values between -(2^63) and 2^63 - 1."
 scalar Long
 

src/ZeroQL.TestServer/Program.cs

@@ -43,7 +43,8 @@ public static async Task StartServer(ServerContext context)
             .AddTypeExtension<UserGraphQLExtensions>()
             .AddTypeExtension<DateMutation>()
             .AddTypeExtension<UserGraphQLMutations>()
-            .AddTypeExtension<RoleGraphQLExtension>();
+            .AddTypeExtension<RoleGraphQLExtension>()
+            .AddTypeExtension<JSONQueryExtensions>();
 
         if (string.IsNullOrEmpty(context.QueriesPath))
         {

src/ZeroQL.TestServer/Query/JSONQueryExtensions.cs

@@ -0,0 +1,11 @@
+using System.Text.Json;
+
+namespace ZeroQL.TestServer.Query;
+
+[ExtendObjectType(typeof(Query))]
+public class JSONQueryExtensions
+{
+    public JsonElement GetJsonUsersElement() => JsonSerializer.SerializeToElement(UserGraphQLExtensions.Users.Values.ToArray());
+
+    public JsonDocument GetJsonUsersDocument() => JsonSerializer.SerializeToDocument(UserGraphQLExtensions.Users.Values.ToArray());
+}

src/ZeroQL.Tests/Bootstrap/ParseSchemaTests.InternalClient.verified.txt

@@ -95,6 +95,13 @@ namespace GraphQLClient
         }
     }
 
+    [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]
+    internal class JsonDocument
+    {
+        [ZeroQL.GraphQLFieldSelector("rootElement")]
+        public global::System.Text.Json.JsonElement RootElement { get; set; }
+    }
+
     [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]
     internal class KeyValuePairOfStringAndString
     {
@@ -453,6 +460,18 @@ namespace GraphQLClient
         {
             return __Container is null ? throw new NullReferenceException("Container is null but it should not be null. Schema can be outdated.") : selector(__Container);
         }
+
+        [ZeroQL.GraphQLFieldSelector("jsonUsersElement")]
+        public global::System.Text.Json.JsonElement JsonUsersElement { get; set; }
+
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never), JsonPropertyName("JsonUsersDocument")]
+        public JsonDocument __JsonUsersDocument { get; set; }
+
+        [ZeroQL.GraphQLFieldSelector("jsonUsersDocument")]
+        public T JsonUsersDocument<T>(Func<JsonDocument, T> selector)
+        {
+            return __JsonUsersDocument is null ? throw new NullReferenceException("JsonUsersDocument is null but it should not be null. Schema can be outdated.") : selector(__JsonUsersDocument);
+        }
     }
 
     [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]

src/ZeroQL.Tests/Bootstrap/ParseSchemaTests.PublicClient.verified.txt

@@ -95,6 +95,13 @@ namespace GraphQLClient
         }
     }
 
+    [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]
+    public class JsonDocument
+    {
+        [ZeroQL.GraphQLFieldSelector("rootElement")]
+        public global::System.Text.Json.JsonElement RootElement { get; set; }
+    }
+
     [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]
     public class KeyValuePairOfStringAndString
     {
@@ -453,6 +460,18 @@ namespace GraphQLClient
         {
             return __Container is null ? throw new NullReferenceException("Container is null but it should not be null. Schema can be outdated.") : selector(__Container);
         }
+
+        [ZeroQL.GraphQLFieldSelector("jsonUsersElement")]
+        public global::System.Text.Json.JsonElement JsonUsersElement { get; set; }
+
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never), JsonPropertyName("JsonUsersDocument")]
+        public JsonDocument __JsonUsersDocument { get; set; }
+
+        [ZeroQL.GraphQLFieldSelector("jsonUsersDocument")]
+        public T JsonUsersDocument<T>(Func<JsonDocument, T> selector)
+        {
+            return __JsonUsersDocument is null ? throw new NullReferenceException("JsonUsersDocument is null but it should not be null. Schema can be outdated.") : selector(__JsonUsersDocument);
+        }
     }
 
     [System.CodeDom.Compiler.GeneratedCode ( "ZeroQL" ,  "1.0.0.0" )]

src/ZeroQL.Tests/CLI/CliTests.CanPullSchemaFromRemoteServer.verified.txt

@@ -38,6 +38,8 @@ type Query {
   userKind(id: Int!): UserKind!
   admin(id: Int!): User
   container: TypesContainer!
+  jsonUsersElement: JSON!
+  jsonUsersDocument: JsonDocument!
 }
 
 type Mutation {
@@ -66,19 +68,19 @@ type Person implements IPerson {
   lastName: String!
 }
 
+enum UserKind {
+  SUPPER_GOOD
+  GOOD
+  BAD
+}
+
 enum UserKindPascal {
   default
   SupperGood
   Good
   Bad
 }
 
-enum UserKind {
-  SUPPER_GOOD
-  GOOD
-  BAD
-}
-
 input UserFilterInput {
   userKind: UserKind!
   page: PageInput
@@ -207,6 +209,12 @@ type Role {
   name: String!
 }
 
+scalar JSON
+
+type JsonDocument {
+  rootElement: JSON!
+}
+
 type KeyValuePairOfStringAndString {
   key: String!
   value: String!

src/ZeroQL.Tests/SourceGeneration/UserScalarTests.JsonDocumentTypeWorks.verified.txt

@@ -0,0 +1 @@
+[{"Id":1,"FirstName":"Jon","LastName":"Smith","UserKind":0},{"Id":2,"FirstName":"Ben","LastName":"Smith","UserKind":2}]

src/ZeroQL.Tests/SourceGeneration/UserScalarTests.JsonElementTypeWorks.verified.txt

@@ -0,0 +1 @@
+[{"Id":1,"FirstName":"Jon","LastName":"Smith","UserKind":0},{"Id":2,"FirstName":"Ben","LastName":"Smith","UserKind":2}]

src/ZeroQL.Tests/SourceGeneration/UserScalarTests.cs

@@ -1,3 +1,5 @@
+using System.Text.Json;
+using Namotion.Reflection;
 using ZeroQL.Tests.Core;
 using ZeroQL.Tests.Data;
 
@@ -23,4 +25,30 @@ public async Task InstantScalarTypeWorks()
         await Verify(response)
             .DontScrubDateTimes();
     }
+
+    [Fact]
+    public async Task JsonElementTypeWorks()
+    {
+        var csharpQuery = "static q => q.JsonUsersElement";
+        var project = await TestProject.Project
+            .ReplacePartOfDocumentAsync("Program.cs", (TestProject.MeQuery, csharpQuery));
+
+        var response = await project.Execute();
+        var value = response.TryGetPropertyValue<JsonElement>("Data");
+
+        await Verify(value.ToString());
+    }
+
+    [Fact]
+    public async Task JsonDocumentTypeWorks()
+    {
+        var csharpQuery = "static q => q.JsonUsersDocument(o => o.RootElement)";
+        var project = await TestProject.Project
+            .ReplacePartOfDocumentAsync("Program.cs", (TestProject.MeQuery, csharpQuery));
+
+        var response = await project.Execute();
+        var value = response.TryGetPropertyValue<JsonElement>("Data");
+
+        await Verify(value.ToString());
+    }
 }

src/ZeroQL.Tools/Internal/TypeContext.cs

@@ -23,7 +23,8 @@ public class TypeContext
         { "UUID", "Guid" },
         { "ID", "ID" },
         { "Boolean", "bool" },
-        { "Upload", "global::ZeroQL.Upload" }
+        { "Upload", "global::ZeroQL.Upload" },
+        { "JSON", "global::System.Text.Json.JsonElement" },
     };
 
     public TypeContext(GraphQlGeneratorOptions options, HashSet<string> enums, string[] customScalars)