Customised Serialization with System.Text.Json

JsonSerializationExtensions.cs

using System.Text.Json;
using System.Text.Json.Serialization;

namespace Infrastructure
{
    public static class JsonSerializationExtensions
    {
        public static JsonSerializerOptions DefaultSerializerOptions = new JsonSerializerOptions
        {
            WriteIndented = false,
            PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
            PropertyNameCaseInsensitive = true,
            IgnoreNullValues = true,
            Converters = { new JsonStringEnumConverter(allowIntegerValues: false) }
        };

        public static string ToJson<T>(this T objectToSerialize)
        {
            return JsonSerializer.Serialize(objectToSerialize, DefaultSerializerOptions);
        }

        public static T FromJson<T>(this string json)
        {
            return json == null ? default : JsonSerializer.Deserialize<T>(json, DefaultSerializerOptions)!;
        }
    }
}