JsonOptions.cs

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

namespace JSONstat.IO;

/// <summary>
/// Shared <see cref="JsonSerializerOptions"/> for the JSON-stat format.
/// </summary>
public static class JsonOptions
{
    static JsonOptions()
    {
        Default = Build();
    }

    /// <summary>The default, cached options instance (safe to reuse).</summary>
    public static JsonSerializerOptions Default { get; }

    /// <summary>Builds a fresh options instance configured for JSON-stat v2.0.</summary>
    public static JsonSerializerOptions Build()
    {
        var options = new JsonSerializerOptions
        {
            PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
            WriteIndented = false,
        };
        options.Converters.Add(new ResponseConverter());
        options.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase));
        // ValueCollection and StatusCollection carry their own [JsonConverter].
        return options;
    }
}