Move to JsonElement in ConfigurationExtensions

src/HotChocolate/Fusion/src/Abstractions/FusionGraphPackage.cs

@@ -579,7 +579,8 @@ private async Task<PackagePart> WriteSubgraphConfigurationJsonPartAsync(
     {
         var config = new SubgraphConfigJson(
             configuration.Name,
-            configuration.Clients);
+            configuration.Clients,
+            configuration.ConfigurationExtensions);
 
         var path = $"{configuration.Name}/{SubgraphConfigFileName}";
         var uri = PackUriHelper.CreatePartUri(new Uri(path, UriKind.Relative));

src/HotChocolate/Fusion/src/Abstractions/HotChocolate.Fusion.Abstractions.csproj

@@ -14,6 +14,7 @@
   <ItemGroup>
     <InternalsVisibleTo Include="HotChocolate.Fusion" />
     <InternalsVisibleTo Include="HotChocolate.Fusion.Composition" />
+    <InternalsVisibleTo Include="HotChocolate.Fusion.CommandLine" />
   </ItemGroup>
 
   <ItemGroup>

src/HotChocolate/Fusion/src/Abstractions/JsonElementExtensions.cs

@@ -0,0 +1,18 @@
+using System.Text.Json;
+using HotChocolate.Utilities;
+
+namespace HotChocolate.Fusion;
+
+internal static class JsonElementExtensions
+{
+    public static JsonElement SafeClone(this JsonElement element)
+    {
+        var writer = new ArrayWriter();
+        using var jsonWriter = new Utf8JsonWriter(writer);
+
+        element.WriteTo(jsonWriter);
+        var reader = new Utf8JsonReader(writer.GetSpan(), true, default);
+
+        return JsonElement.ParseValue(ref reader);
+    }
+}

src/HotChocolate/Fusion/src/Abstractions/SubgraphConfigJson.cs

@@ -17,13 +17,17 @@ internal sealed record SubgraphConfigJson
     /// <param name="clients">
     /// The list of clients that can be used to fetch data from this subgraph.
     /// </param>
+    /// <param name="extensions">
+    /// The "extensions" property of the subgraph-config.json.
+    /// </param>
     public SubgraphConfigJson(
         string name,
         IReadOnlyList<IClientConfiguration>? clients = null,
-        JsonDocument? extensions = null)
+        JsonElement? extensions = null)
     {
         Name = name;
         Clients = clients ?? Array.Empty<IClientConfiguration>();
+        Extensions = extensions;
     }
 
     /// <summary>
@@ -39,7 +43,7 @@ public SubgraphConfigJson(
     /// <summary>
     /// Gets the "extensions" property of the subgraph-config.json.
     /// </summary>
-    public JsonDocument? Extensions { get; init; }
+    public JsonElement? Extensions { get; init; }
 
     /// <summary>
     /// Deconstructs the <see cref="SubgraphConfigJson"/> into its components.
@@ -50,10 +54,13 @@ public SubgraphConfigJson(
     /// <param name="clients">
     /// The list of clients that can be used to fetch data from this subgraph.
     /// </param>
+    /// <param name="extensions">
+    /// The "extensions" property of the subgraph-config.json.
+    /// </param>
     public void Deconstruct(
         out string name,
         out IReadOnlyList<IClientConfiguration> clients,
-        out JsonDocument? extensions)
+        out JsonElement? extensions)
     {
         name = Name;
         clients = Clients;

src/HotChocolate/Fusion/src/Abstractions/SubgraphConfigJsonSerializer.cs

@@ -146,6 +146,12 @@ public static async ValueTask FormatAsync(
             }
         }
 
+        if (config.Extensions is not null)
+        {
+            writer.WritePropertyName("extensions");
+            config.Extensions.Value.WriteTo(writer);
+        }
+
         writer.WriteEndObject();
         await writer.FlushAsync(cancellationToken);
     }
@@ -176,6 +182,7 @@ public static async Task<SubgraphConfigJson> ParseAsync(
             stream, cancellationToken: cancellationToken);
         var configs = new List<IClientConfiguration>();
         var subgraph = default(string?);
+        var extensions = default(JsonElement?);
 
         foreach (var property in document.RootElement.EnumerateObject())
         {
@@ -193,6 +200,10 @@ public static async Task<SubgraphConfigJson> ParseAsync(
                     configs.Add(ReadWebSocketClientConfiguration(property.Value));
                     break;
 
+                case "extensions":
+                    extensions = property.Value.SafeClone();
+                    break;
+
                 default:
                     throw new NotSupportedException(
                         $"Configuration property `{property.Value}` is not supported.");
@@ -204,7 +215,7 @@ public static async Task<SubgraphConfigJson> ParseAsync(
             throw new InvalidOperationException("No subgraph name was specified.");
         }
 
-        return new SubgraphConfigJson(subgraph, configs);
+        return new SubgraphConfigJson(subgraph, configs, extensions);
     }
 
     private static HttpClientConfiguration ReadHttpClientConfiguration(

src/HotChocolate/Fusion/src/Abstractions/SubgraphConfiguration.cs

@@ -30,7 +30,7 @@ public SubgraphConfiguration(
         string schema,
         IReadOnlyList<string> extensions,
         IReadOnlyList<IClientConfiguration> clients,
-        JsonDocument? configurationExtensions)
+        JsonElement? configurationExtensions)
     {
         Name = name;
         Schema = schema;
@@ -62,7 +62,7 @@ public SubgraphConfiguration(
         string schema,
         string extensions,
         IReadOnlyList<IClientConfiguration> clients,
-        JsonDocument? configurationExtensions)
+        JsonElement? configurationExtensions)
         : this(name, schema, new[] { extensions }, clients, configurationExtensions) { }
 
     /// <summary>
@@ -88,7 +88,7 @@ public SubgraphConfiguration(
         string schema,
         string extensions,
         IClientConfiguration client,
-        JsonDocument? configurationExtensions)
+        JsonElement? configurationExtensions)
         : this(name, schema, new[] { extensions }, new[] { client }, configurationExtensions) { }
 
     /// <summary>
@@ -114,5 +114,5 @@ public SubgraphConfiguration(
     /// <summary>
     /// Gets the configuration extension.
     /// </summary>
-    public JsonDocument? ConfigurationExtensions { get; }
+    public JsonElement? ConfigurationExtensions { get; }
 }

src/HotChocolate/Fusion/src/CommandLine/Helpers/PackageHelper.cs

@@ -197,20 +197,14 @@ private static WebSocketClientConfiguration ReadWebSocketClientConfiguration(
         return new WebSocketClientConfiguration(baseAddress, clientName);
     }
 
-    private static JsonDocument ReadExtensions(JsonElement element)
-    {
-        var extensionText = element.GetRawText();
-        return JsonDocument.Parse(extensionText);
-    }
-
     private static async Task<SubgraphConfigurationDto> ParseSubgraphConfigAsync(
         Stream stream,
         CancellationToken ct)
     {
         using var document = await JsonDocument.ParseAsync(stream, cancellationToken: ct);
         var configs = new List<IClientConfiguration>();
         var subgraph = default(string?);
-        var jsonDocument = default(JsonDocument?);
+        var extensions = default(JsonElement?);
 
         foreach (var property in document.RootElement.EnumerateObject())
         {
@@ -229,7 +223,7 @@ private static async Task<SubgraphConfigurationDto> ParseSubgraphConfigAsync(
                     break;
 
                 case "extensions":
-                    jsonDocument = ReadExtensions(property.Value);
+                    extensions = property.Value.SafeClone();
                     break;
 
                 default:
@@ -243,7 +237,7 @@ private static async Task<SubgraphConfigurationDto> ParseSubgraphConfigAsync(
             throw new InvalidOperationException("No subgraph name was specified.");
         }
 
-        return new SubgraphConfigurationDto(subgraph, configs, jsonDocument);
+        return new SubgraphConfigurationDto(subgraph, configs, extensions);
     }
 
     public static string FormatSubgraphConfig(
@@ -291,7 +285,7 @@ public static string FormatSubgraphConfig(
         if (subgraphConfig.Extensions is not null)
         {
             writer.WritePropertyName("extensions");
-            subgraphConfig.Extensions.WriteTo(writer);
+            subgraphConfig.Extensions.Value.WriteTo(writer);
         }
 
         writer.WriteEndObject();

src/HotChocolate/Fusion/src/CommandLine/Helpers/SubgraphConfigurationDto.cs

@@ -8,7 +8,7 @@ internal sealed record SubgraphConfigurationDto
     public SubgraphConfigurationDto(
         string name,
         IReadOnlyList<IClientConfiguration>? clients = null,
-        JsonDocument? extensions = null)
+        JsonElement? extensions = null)
     {
         Name = name;
         Clients = clients ?? Array.Empty<IClientConfiguration>();
@@ -19,12 +19,12 @@ public SubgraphConfigurationDto(
 
     public IReadOnlyList<IClientConfiguration> Clients { get; init; }
 
-    public JsonDocument? Extensions { get; init; }
+    public JsonElement? Extensions { get; init; }
 
     public void Deconstruct(
         out string name,
         out IReadOnlyList<IClientConfiguration> clients,
-        out JsonDocument? extensions)
+        out JsonElement? extensions)
     {
         name = Name;
         clients = Clients;

src/HotChocolate/Fusion/test/CommandLine.Tests/PackageHelperTests.cs

@@ -43,7 +43,7 @@ public async Task Create_Extract_Extensions()
     {
         // arrange
         using var demoProject = await DemoProject.CreateAsync();
-        var extensions = JsonDocument.Parse("{ \"foo\": \"bar\" }");
+        var extensions = JsonDocument.Parse("{ \"foo\": \"bar\" }").RootElement;
         var accountConfig = demoProject.Accounts.ToConfiguration(AccountsExtensionSdl, extensions);
         var account = CreateFiles(accountConfig);
         var packageFile = CreateTempFile();
@@ -85,7 +85,7 @@ private void Match(SubgraphConfiguration config)
             using var stream = new MemoryStream();
             using var writer =
                 new Utf8JsonWriter(stream, new JsonWriterOptions { Indented = true });
-            config.ConfigurationExtensions.WriteTo(writer);
+            config.ConfigurationExtensions.Value.WriteTo(writer);
             writer.Flush();
 
             var json = Encoding.UTF8.GetString(stream.ToArray());

src/HotChocolate/Fusion/test/Shared/DemoSubgraph.cs

@@ -62,7 +62,7 @@ public SubgraphConfiguration ToConfiguration(
 
     public SubgraphConfiguration ToConfiguration(
         string extensions,
-        JsonDocument configurationExtensions,
+        JsonElement configurationExtensions,
         bool onlyHttp = false)
         => onlyHttp
             ? new SubgraphConfiguration(

src/HotChocolate/Utilities/src/Utilities/HotChocolate.Utilities.csproj

@@ -16,6 +16,7 @@
     <InternalsVisibleTo Include="HotChocolate.AspNetCore.Tests" />
     <InternalsVisibleTo Include="HotChocolate.AspNetCore.Tests.Utilities" />
     <InternalsVisibleTo Include="HotChocolate.Fusion" />
+    <InternalsVisibleTo Include="HotChocolate.Fusion.Abstractions" />
     <InternalsVisibleTo Include="HotChocolate.OpenApi" />
     <InternalsVisibleTo Include="HotChocolate.Transport.Http" />
     <InternalsVisibleTo Include="HotChocolate.Transport.Sockets.Client" />