SmartEnumNameFormatter.cs

namespace Ardalis.SmartEnum.Utf8Json
{
    using global::Utf8Json;
    using System;

    /// <summary>
    /// 
    /// </summary>
    /// <typeparam name="TEnum"></typeparam>
    /// <typeparam name="TValue"></typeparam>
    public class SmartEnumNameFormatter<TEnum, TValue> : IJsonFormatter<TEnum>
        where TEnum : SmartEnum<TEnum, TValue>
        where TValue : struct, IEquatable<TValue>, IComparable<TValue>
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="writer"></param>
        /// <param name="value"></param>
        /// <param name="formatterResolver"></param>
        public void Serialize(ref JsonWriter writer, TEnum value, IJsonFormatterResolver formatterResolver)
        {
            if (value is null)
            {
                writer.WriteNull();
                return;
            }

            writer.WriteString(value.Name);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="reader"></param>
        /// <param name="formatterResolver"></param>
        /// <returns></returns>
        public TEnum Deserialize(ref JsonReader reader, IJsonFormatterResolver formatterResolver)
        {
            if (reader.ReadIsNull())
                return null;

            var name = reader.ReadString();
            return SmartEnum<TEnum, TValue>.FromName(name);
        }
    }
}