chore: reduce allocations during serialization

baywet · baywet · commit 422275b1374b · 2026-07-02T10:55:40.000-04:00
Signed-off-by: Vincent Biret &lt;vibiret@microsoft.com&gt;
diff --git a/src/Microsoft.OpenApi/Converters/OpenApiSchemaJsonConverter.cs b/src/Microsoft.OpenApi/Converters/OpenApiSchemaJsonConverter.cs
@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+﻿// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
 using System;
@@ -73,9 +73,7 @@ public override void Write(Utf8JsonWriter writer, OpenApiSchema value, JsonSeria
                 textWriter.Flush();
             }
 
-            stream.Position = 0;
-            using var document = JsonDocument.Parse(stream);
-            document.RootElement.WriteTo(writer);
+            writer.WriteRawValue(stream.ToArray(), skipInputValidation: true);
         }
 
         private void SerializeSchema(OpenApiSchema schema, OpenApiJsonWriter writer)

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// Copyright (c) Microsoft Corporation. All rights reserved.`
	`1`	`+// Copyright (c) Microsoft Corporation. All rights reserved.`
`2`	`2`	`// Licensed under the MIT license.`
`3`	`3`
`4`	`4`	`using System;`
`@@ -73,9 +73,7 @@ public override void Write(Utf8JsonWriter writer, OpenApiSchema value, JsonSeria`
`73`	`73`	`textWriter.Flush();`
`74`	`74`	`}`
`75`	`75`
`76`		`- stream.Position = 0;`
`77`		`- using var document = JsonDocument.Parse(stream);`
`78`		`- document.RootElement.WriteTo(writer);`
	`76`	`+ writer.WriteRawValue(stream.ToArray(), skipInputValidation: true);`
`79`	`77`	`}`
`80`	`78`
`81`	`79`	`private void SerializeSchema(OpenApiSchema schema, OpenApiJsonWriter writer)`