feature: first

NuGet/Converters/VersionJsonConverter.cs

@@ -0,0 +1,21 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using NuGet.Versioning;
+
+namespace NuGet.Converters;
+
+public class VersionJsonConverter : JsonConverter<NuGetVersion>
+{
+    public override NuGetVersion? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType != JsonTokenType.String)
+            throw new JsonException("Invalid version string");
+        
+        return NuGetVersion.Parse(reader.GetString()!);
+    }
+
+    public override void Write(Utf8JsonWriter writer, NuGetVersion value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value.ToString());
+    }
+}