Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.SpaServices.AngularCli;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Sketch7.DotnetNgx.Core;

namespace Sketch7.DotnetNgx
{
	public class Startup
	{
		private const string ClientAppRoot = "ClientApp";
		private const string ClientScriptRoot = "./";

		public Startup(IConfiguration configuration)
		{
			Configuration = configuration;
		}

		public IConfiguration Configuration { get; }

		// This method gets called by the runtime. Use this method to add services to the container.
		public void ConfigureServices(IServiceCollection services)
		{
			services.AddControllersWithViews();
			// services.AddNodeServices(options =>
			// {
			// 	options.LaunchWithDebugging = true;
			// 	options.DebuggingPort = 9229;
			// });
			// In production, the Angular files will be served from this directory
			services.AddSpaStaticFiles(configuration =>
			{
				configuration.RootPath = $"{ClientAppRoot}/dist";
			});
		}

		// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
		public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
		{
			if (env.IsDevelopment())
			{
				app.UseDeveloperExceptionPage();
			}
			else
			{
				app.UseExceptionHandler("/Error");
				// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
				app.UseHsts();
			}

			app.UseHttpsRedirection();
			app.UseStaticFiles();
			if (!env.IsDevelopment())
			{
				app.UseSpaStaticFiles();
			}

			app.UseRouting();

			app.UseEndpoints(endpoints =>
			{
				endpoints.MapControllerRoute(
					name: "default",
					pattern: "{controller}/{action=Index}/{id?}");
			});
			app.UseSpa(spa =>
			{
				// To learn more about options for serving an Angular SPA from ASP.NET Core,
				// see https://go.microsoft.com/fwlink/?linkid=864501

				spa.Options.SourcePath = ClientScriptRoot;
				spa.UseSpaPrerendering(options =>
				{
					options.BootModulePath = $"{ClientAppRoot}/dist-server/main.js";
					options.BootModuleBuilder = env.IsDevelopment()
						? new ChikoAngularCliBuilder(npmScript: "watch:ssr")
						// ? new AngularCliBuilder(npmScript: "build:ssr -- ")
						: null;
					options.ExcludeUrls = new[] { "/sockjs-node" };
				});

				if (env.IsDevelopment())
				{
					spa.UseAngularCliServer(npmScript: "serve:app");
				}
			});
		}
	}
}