aspnetcore/src/Middleware/NodeServices/samples/NodeServicesExamples/Startup.cs

79 lines
2.7 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.IO;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.NodeServices;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
namespace NodeServicesExamples
{
public class Startup
{
#pragma warning disable 0618
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc();
// Enable Node Services
services.AddNodeServices();
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env, INodeServices nodeServices)
{
app.UseDeveloperExceptionPage();
// Dynamically transpile any .js files under the '/js/' directory
app.Use(next => async context =>
{
var requestPath = context.Request.Path.Value;
if (requestPath.StartsWith("/js/") && requestPath.EndsWith(".js"))
{
var fileInfo = env.WebRootFileProvider.GetFileInfo(requestPath);
if (fileInfo.Exists)
{
var transpiled = await nodeServices.InvokeAsync<string>("./Node/transpilation.js", fileInfo.PhysicalPath, requestPath);
await context.Response.WriteAsync(transpiled);
return;
}
}
// Not a JS file, or doesn't exist - let some other middleware handle it
await next.Invoke(context);
});
app.UseStaticFiles();
app.UseRouting();
app.UseEndpoints(endpoints =>
{
endpoints.MapDefaultControllerRoute();
});
}
#pragma warning restore 0618
public static void Main(string[] args)
{
var host = new WebHostBuilder()
.ConfigureLogging(factory =>
{
factory.AddConsole();
factory.AddDebug();
})
.UseContentRoot(Directory.GetCurrentDirectory())
.UseIISIntegration()
.UseKestrel()
.UseStartup<Startup>()
.Build();
host.Run();
}
}
}