Web-Development-with-Blazor-Second-Edition/Chapter17/SourceGeneratorDemo/BlazorWebAssemblyApp/Program.cs

using BlazorWebAssemblyApp;
using Microsoft.AspNetCore.Components.Web;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;

var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("#app");
builder.RootComponents.Add<HeadOutlet>("head::after");

builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
builder.Services.AddScoped<GeneratedService>();
await builder.Build().RunAsync();