Umbraco-CMS/src/Umbraco.Infrastructure/DependencyInjection/UmbracoBuilder.WebAssets.cs

using Microsoft.Extensions.DependencyInjection;
using Umbraco.Cms.Core.DependencyInjection;
using Umbraco.Cms.Core.Events;
using Umbraco.Cms.Infrastructure.WebAssets;

namespace Umbraco.Cms.Infrastructure.DependencyInjection
{
    public static partial class UmbracoBuilderExtensions
    {
        internal static IUmbracoBuilder AddWebAssets(this IUmbracoBuilder builder)
        {
            builder.Services.AddSingleton<BackOfficeWebAssets>();
            return builder;
        }
    }
}