Program.cs

using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using System.Collections.Generic;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Hosting;
using System.Runtime.Serialization;

namespace blazor_samples
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStaticWebAssets();
                    webBuilder.UseStartup<Startup>();
                });
    }

    public class SampleListType
    {
        public List<SampleListType> SourceData { get; set; }
        public string Name { get; set; }
        [JsonConverter(typeof(StringEnumConverter))]
        public SampleType Type { get; set; }
        public List<Sample> Samples { get; set; } 
    }

    public class SampleList
    {
        public string Name { get; set; }
        public string Directory { get; set; }
        public string Category { get; set; }
        [JsonConverter(typeof(StringEnumConverter))]
        public SampleType Type { get; set; }
        public List<Sample> Samples { get; set; } = new List<Sample>();
        public String ControllerName { get; set; }
    }

    public class Sample
    {
        public string Name { get; set; }
        public string Directory { get; set; }
        public string Category { get; set; }
        public string FileName { get; set; }
        public string Url { get; set; }
        public string MappingSampleName { get; set; }
        public List<SourceCollection> SourceFiles { get; set; } = new List<SourceCollection>();
        [JsonConverter(typeof(StringEnumConverter))]
        public SampleType Type { get; set; }
    }
    
    public class SourceCollection
    {
        public string FileName { get; set; }
        public string Id { get; set; }
    }

    internal static class SampleBrowser
    {
        public static List<SampleList> SampleList { get; set; } = new List<SampleList>();
        internal static List<String> SampleUrls = new List<String>();
        internal static SampleConfig Config { get; set; } = new SampleConfig();
    }

    [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.JsonStringEnumConverter))]
    [JsonConverter(typeof(StringEnumConverter))]
    public enum SampleType
    {
        [EnumMember(Value = "none")]
        None,
        [EnumMember(Value = "new")]
        New,
        [EnumMember(Value = "updated")]
        Updated,
        [EnumMember(Value = "preview")]
        Preview
    }
}