Setting Up the Angular CLI in Visual Studio for Mac

Startup.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.IO;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace SmartShopperCore
{
    public class Startup
    {
        public Startup(IHostingEnvironment env)
        {
            var builder = new ConfigurationBuilder()
                .SetBasePath(env.ContentRootPath)
                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)
                .AddEnvironmentVariables();
            Configuration = builder.Build();
        }

        public IConfigurationRoot Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
			// Add service and create Policy with options
			services.AddCors(options =>
			{
				options.AddPolicy("CorsPolicy",
					builder => builder.AllowAnyOrigin()
					.AllowAnyMethod()
					.AllowAnyHeader()
					.AllowCredentials());
			});

            // Add framework services.
            services.AddMvc();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
            loggerFactory.AddDebug();

			// global policy - assign here or on each controller
			app.UseCors("CorsPolicy");

            app.Use(async (context, next) =>
            {
                await next();

                // If there's no available file and the request doesn't contain an extension, we're probably trying to access a page.
                // Rewrite request to use app root
                if (context.Response.StatusCode == 404 && !Path.HasExtension(context.Request.Path.Value) && !context.Request.Path.Value.StartsWith("/api"))
                {
                    context.Request.Path = "/index.html";
                    context.Response.StatusCode = 200; // Make sure we update the status code, otherwise it returns 404
                    await next();
                }
            });

            app.UseDefaultFiles();
            app.UseStaticFiles();

            app.UseMvc();
        }
    }
}