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https://github.com/aspnet/JavaScriptServices.git
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refactor: apply default vs transform to xproj
refactor(spa-services): clean code refactor(node-services): clean code, extract classes nto separate files refactor(angular-services): prime cache cleanup
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@@ -9,22 +9,31 @@ using Microsoft.Extensions.PlatformAbstractions;
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using Newtonsoft.Json;
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// Putting in this namespace so it's always available whenever MapRoute is
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namespace Microsoft.AspNetCore.Builder
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{
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public static class WebpackDevMiddleware
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{
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const string WebpackDevMiddlewareScheme = "http";
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const string WebpackDevMiddlewareHostname = "localhost";
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const string WebpackHotMiddlewareEndpoint = "/__webpack_hmr";
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const string DefaultConfigFile = "webpack.config.js";
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private const string WebpackDevMiddlewareScheme = "http";
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private const string WebpackDevMiddlewareHostname = "localhost";
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private const string WebpackHotMiddlewareEndpoint = "/__webpack_hmr";
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private const string DefaultConfigFile = "webpack.config.js";
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public static void UseWebpackDevMiddleware(this IApplicationBuilder appBuilder, WebpackDevMiddlewareOptions options = null) {
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// Validate options
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if (options == null) {
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public static void UseWebpackDevMiddleware(
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this IApplicationBuilder appBuilder,
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WebpackDevMiddlewareOptions options = null)
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{
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// Prepare options
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if (options == null)
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{
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options = new WebpackDevMiddlewareOptions();
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}
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if (options.ReactHotModuleReplacement && !options.HotModuleReplacement) {
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throw new ArgumentException("To enable ReactHotModuleReplacement, you must also enable HotModuleReplacement.");
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// Validate options
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if (options.ReactHotModuleReplacement && !options.HotModuleReplacement)
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{
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throw new ArgumentException(
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"To enable ReactHotModuleReplacement, you must also enable HotModuleReplacement.");
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}
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// Unlike other consumers of NodeServices, WebpackDevMiddleware dosen't share Node instances, nor does it
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@@ -32,44 +41,55 @@ namespace Microsoft.AspNetCore.Builder
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// because it must *not* restart when files change (if it did, you'd lose all the benefits of Webpack
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// middleware). And since this is a dev-time-only feature, it doesn't matter if the default transport isn't
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// as fast as some theoretical future alternative.
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var hostEnv = (IHostingEnvironment)appBuilder.ApplicationServices.GetService(typeof (IHostingEnvironment));
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var nodeServices = Configuration.CreateNodeServices(new NodeServicesOptions {
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var hostEnv = (IHostingEnvironment)appBuilder.ApplicationServices.GetService(typeof(IHostingEnvironment));
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var nodeServices = Configuration.CreateNodeServices(new NodeServicesOptions
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{
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HostingModel = NodeHostingModel.Http,
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ProjectPath = hostEnv.ContentRootPath,
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WatchFileExtensions = new string[] {} // Don't watch anything
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WatchFileExtensions = new string[] { } // Don't watch anything
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});
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// Get a filename matching the middleware Node script
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var script = EmbeddedResourceReader.Read(typeof (WebpackDevMiddleware), "/Content/Node/webpack-dev-middleware.js");
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var script = EmbeddedResourceReader.Read(typeof(WebpackDevMiddleware),
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"/Content/Node/webpack-dev-middleware.js");
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var nodeScript = new StringAsTempFile(script); // Will be cleaned up on process exit
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// Tell Node to start the server hosting webpack-dev-middleware
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var devServerOptions = new {
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var devServerOptions = new
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{
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webpackConfigPath = Path.Combine(hostEnv.ContentRootPath, options.ConfigFile ?? DefaultConfigFile),
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suppliedOptions = options
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};
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var devServerInfo = nodeServices.InvokeExport<WebpackDevServerInfo>(nodeScript.FileName, "createWebpackDevServer", JsonConvert.SerializeObject(devServerOptions)).Result;
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var devServerInfo =
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nodeServices.InvokeExport<WebpackDevServerInfo>(nodeScript.FileName, "createWebpackDevServer",
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JsonConvert.SerializeObject(devServerOptions)).Result;
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// Proxy the corresponding requests through ASP.NET and into the Node listener
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var proxyOptions = new ConditionalProxyMiddlewareOptions(WebpackDevMiddlewareScheme, WebpackDevMiddlewareHostname, devServerInfo.Port.ToString());
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var proxyOptions = new ConditionalProxyMiddlewareOptions(WebpackDevMiddlewareScheme,
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WebpackDevMiddlewareHostname, devServerInfo.Port.ToString());
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appBuilder.UseMiddleware<ConditionalProxyMiddleware>(devServerInfo.PublicPath, proxyOptions);
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// While it would be nice to proxy the /__webpack_hmr requests too, these return an EventStream,
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// and the Microsoft.AspNetCore.Proxy code doesn't handle that entirely - it throws an exception after
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// a while. So, just serve a 302 for those.
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appBuilder.Map(WebpackHotMiddlewareEndpoint, builder => {
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builder.Use(next => async ctx => {
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ctx.Response.Redirect($"{ WebpackDevMiddlewareScheme }://{ WebpackDevMiddlewareHostname }:{ devServerInfo.Port.ToString() }{ WebpackHotMiddlewareEndpoint }");
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appBuilder.Map(WebpackHotMiddlewareEndpoint, builder =>
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{
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builder.Use(next => async ctx =>
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{
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ctx.Response.Redirect(
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$"{WebpackDevMiddlewareScheme}://{WebpackDevMiddlewareHostname}:{devServerInfo.Port.ToString()}{WebpackHotMiddlewareEndpoint}");
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await Task.Yield();
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});
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});
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}
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#pragma warning disable CS0649
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class WebpackDevServerInfo {
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public int Port;
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public string PublicPath;
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#pragma warning disable CS0649
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class WebpackDevServerInfo
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{
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public int Port { get; set; }
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public string PublicPath { get; set; }
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}
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#pragma warning restore CS0649
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}
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#pragma warning restore CS0649
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}
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}
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