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refactor: apply default vs transform to xproj

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refactor(spa-services): clean code

refactor(node-services): clean code, extract classes nto separate files

refactor(angular-services): prime cache cleanup
This commit is contained in:
Andrei Tserakhau
2016-05-23 11:28:42 +03:00
parent 2c35945562
commit 95cba7f5dd
32 changed files with 621 additions and 448 deletions
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5
src/Microsoft.AspNetCore.SpaServices/Microsoft.AspNetCore.SpaServices.xproj
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@@ -9,11 +9,10 @@
<ProjectGuid>4624f728-6dff-44b6-93b5-3c7d9c94bf3f</ProjectGuid>
<RootNamespace>Microsoft.AspNetCore.SpaServices</RootNamespace>
<BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
<OutputPath Condition="'$(OutputPath)'=='' ">..\artifacts\bin\$(MSBuildProjectName)\</OutputPath>
<OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
</PropertyGroup>
<PropertyGroup>
<SchemaVersion>2.0</SchemaVersion>
</PropertyGroup>
<Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
</Project>
</Project>

14
src/Microsoft.AspNetCore.SpaServices/Prerendering/JavaScriptModuleExport.cs Normal file
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@@ -0,0 +1,14 @@
namespace Microsoft.AspNetCore.SpaServices.Prerendering
{
public class JavaScriptModuleExport
{
public JavaScriptModuleExport(string moduleName)
{
this.ModuleName = moduleName;
}
public string ModuleName { get; private set; }
public string ExportName { get; set; }
public string WebpackConfig { get; set; }
}
}

77
src/Microsoft.AspNetCore.SpaServices/Prerendering/PrerenderTagHelper.cs
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@@ -16,11 +16,31 @@ namespace Microsoft.AspNetCore.SpaServices.Prerendering
[HtmlTargetElement(Attributes = PrerenderModuleAttributeName)]
public class PrerenderTagHelper : TagHelper
{
static INodeServices fallbackNodeServices; // Used only if no INodeServices was registered with DI
private const string PrerenderModuleAttributeName = "asp-prerender-module";
private const string PrerenderExportAttributeName = "asp-prerender-export";
private const string PrerenderWebpackConfigAttributeName = "asp-prerender-webpack-config";
private static INodeServices _fallbackNodeServices; // Used only if no INodeServices was registered with DI
const string PrerenderModuleAttributeName = "asp-prerender-module";
const string PrerenderExportAttributeName = "asp-prerender-export";
const string PrerenderWebpackConfigAttributeName = "asp-prerender-webpack-config";
private readonly string _applicationBasePath;
private readonly INodeServices _nodeServices;
public PrerenderTagHelper(IServiceProvider serviceProvider)
{
var hostEnv = (IHostingEnvironment) serviceProvider.GetService(typeof(IHostingEnvironment));
_nodeServices = (INodeServices) serviceProvider.GetService(typeof(INodeServices)) ?? _fallbackNodeServices;
_applicationBasePath = hostEnv.ContentRootPath;
// Consider removing the following. Having it means you can get away with not putting app.AddNodeServices()
// in your startup file, but then again it might be confusing that you don't need to.
if (_nodeServices == null)
{
_nodeServices = _fallbackNodeServices = Configuration.CreateNodeServices(new NodeServicesOptions
{
HostingModel = NodeHostingModel.Http,
ProjectPath = _applicationBasePath
});
}
}
[HtmlAttributeName(PrerenderModuleAttributeName)]
public string ModuleName { get; set; }
@@ -35,52 +55,37 @@ namespace Microsoft.AspNetCore.SpaServices.Prerendering
[ViewContext]
public ViewContext ViewContext { get; set; }
private string applicationBasePath;
private INodeServices nodeServices;
public PrerenderTagHelper(IServiceProvider serviceProvider)
{
var hostEnv = (IHostingEnvironment)serviceProvider.GetService(typeof (IHostingEnvironment));
this.nodeServices = (INodeServices)serviceProvider.GetService(typeof (INodeServices)) ?? fallbackNodeServices;
this.applicationBasePath = hostEnv.ContentRootPath;
// Consider removing the following. Having it means you can get away with not putting app.AddNodeServices()
// in your startup file, but then again it might be confusing that you don't need to.
if (this.nodeServices == null) {
this.nodeServices = fallbackNodeServices = Configuration.CreateNodeServices(new NodeServicesOptions {
HostingModel = NodeHostingModel.Http,
ProjectPath = this.applicationBasePath
});
}
}
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
var request = this.ViewContext.HttpContext.Request;
var request = ViewContext.HttpContext.Request;
var result = await Prerenderer.RenderToString(
applicationBasePath: this.applicationBasePath,
nodeServices: this.nodeServices,
bootModule: new JavaScriptModuleExport(this.ModuleName) {
exportName = this.ExportName,
webpackConfig = this.WebpackConfigPath
_applicationBasePath,
_nodeServices,
new JavaScriptModuleExport(ModuleName)
{
ExportName = ExportName,
WebpackConfig = WebpackConfigPath
},
requestAbsoluteUrl: UriHelper.GetEncodedUrl(request),
requestPathAndQuery: request.Path + request.QueryString.Value);
request.GetEncodedUrl(),
request.Path + request.QueryString.Value);
output.Content.SetHtmlContent(result.Html);
// Also attach any specified globals to the 'window' object. This is useful for transferring
// general state between server and client.
if (result.Globals != null) {
if (result.Globals != null)
{
var stringBuilder = new StringBuilder();
foreach (var property in result.Globals.Properties()) {
foreach (var property in result.Globals.Properties())
{
stringBuilder.AppendFormat("window.{0} = {1};",
property.Name,
property.Value.ToString(Formatting.None));
}
if (stringBuilder.Length > 0) {
output.PostElement.SetHtmlContent($"<script>{ stringBuilder.ToString() }</script>");
if (stringBuilder.Length > 0)
{
output.PostElement.SetHtmlContent($"<script>{stringBuilder}</script>");
}
}
}
}
}
}

38
src/Microsoft.AspNetCore.SpaServices/Prerendering/Prerenderer.cs
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@@ -1,42 +1,34 @@
using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.NodeServices;
using Newtonsoft.Json.Linq;
namespace Microsoft.AspNetCore.SpaServices.Prerendering
{
public static class Prerenderer
{
private static Lazy<StringAsTempFile> nodeScript;
private static readonly Lazy<StringAsTempFile> NodeScript;
static Prerenderer() {
nodeScript = new Lazy<StringAsTempFile>(() => {
static Prerenderer()
{
NodeScript = new Lazy<StringAsTempFile>(() =>
{
var script = EmbeddedResourceReader.Read(typeof(Prerenderer), "/Content/Node/prerenderer.js");
return new StringAsTempFile(script); // Will be cleaned up on process exit
});
}
public static async Task<RenderToStringResult> RenderToString(string applicationBasePath, INodeServices nodeServices, JavaScriptModuleExport bootModule, string requestAbsoluteUrl, string requestPathAndQuery) {
return await nodeServices.InvokeExport<RenderToStringResult>(nodeScript.Value.FileName, "renderToString",
public static async Task<RenderToStringResult> RenderToString(
string applicationBasePath,
INodeServices nodeServices,
JavaScriptModuleExport bootModule,
string requestAbsoluteUrl,
string requestPathAndQuery)
=> await nodeServices.InvokeExport<RenderToStringResult>(
NodeScript.Value.FileName,
"renderToString",
applicationBasePath,
bootModule,
requestAbsoluteUrl,
requestPathAndQuery);
}
}
public class JavaScriptModuleExport {
public string moduleName { get; private set; }
public string exportName { get; set; }
public string webpackConfig { get; set; }
public JavaScriptModuleExport(string moduleName) {
this.moduleName = moduleName;
}
}
public class RenderToStringResult {
public string Html;
public JObject Globals;
}
}
}

10
src/Microsoft.AspNetCore.SpaServices/Prerendering/RenderToStringResult.cs Normal file
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@@ -0,0 +1,10 @@
using Newtonsoft.Json.Linq;
namespace Microsoft.AspNetCore.SpaServices.Prerendering
{
public class RenderToStringResult
{
public JObject Globals { get; set; }
public string Html { get; set; }
}
}

32
src/Microsoft.AspNetCore.SpaServices/Routing/SpaRouteConstraint.cs
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@@ -1,5 +1,4 @@
using System;
using System.Collections.Generic;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing;
@@ -7,26 +6,27 @@ namespace Microsoft.AspNetCore.SpaServices
{
internal class SpaRouteConstraint : IRouteConstraint
{
private readonly string clientRouteTokenName;
private readonly string _clientRouteTokenName;
public SpaRouteConstraint(string clientRouteTokenName) {
if (string.IsNullOrEmpty(clientRouteTokenName)) {
throw new ArgumentException("Value cannot be null or empty", "clientRouteTokenName");
public SpaRouteConstraint(string clientRouteTokenName)
{
if (string.IsNullOrEmpty(clientRouteTokenName))
{
throw new ArgumentException("Value cannot be null or empty", nameof(clientRouteTokenName));
}
this.clientRouteTokenName = clientRouteTokenName;
_clientRouteTokenName = clientRouteTokenName;
}
public bool Match(HttpContext httpContext, IRouter route, string routeKey, RouteValueDictionary values, RouteDirection routeDirection)
{
var clientRouteValue = (values[this.clientRouteTokenName] as string) ?? string.Empty;
return !HasDotInLastSegment(clientRouteValue);
}
public bool Match(
HttpContext httpContext,
IRouter route,
string routeKey,
RouteValueDictionary values,
RouteDirection routeDirection)
=> !HasDotInLastSegment(values[_clientRouteTokenName] as string ?? string.Empty);
private bool HasDotInLastSegment(string uri)
{
var lastSegmentStartPos = uri.LastIndexOf('/');
return uri.IndexOf('.', lastSegmentStartPos + 1) >= 0;
}
=> uri.IndexOf('.', uri.LastIndexOf('/') + 1) >= 0;
}
}
}

46
src/Microsoft.AspNetCore.SpaServices/Routing/SpaRouteExtensions.cs
View File

@@ -4,18 +4,34 @@ using Microsoft.AspNetCore.Routing;
using Microsoft.AspNetCore.SpaServices;
// Putting in this namespace so it's always available whenever MapRoute is
namespace Microsoft.AspNetCore.Builder
{
public static class SpaRouteExtensions
{
private const string ClientRouteTokenName = "clientRoute";
public static void MapSpaFallbackRoute(this IRouteBuilder routeBuilder, string name, object defaults, object constraints = null, object dataTokens = null)
{
MapSpaFallbackRoute(routeBuilder, name, /* templatePrefix */ (string)null, defaults, constraints, dataTokens);
}
public static void MapSpaFallbackRoute(
this IRouteBuilder routeBuilder,
string name,
object defaults,
object constraints = null,
object dataTokens = null)
=> MapSpaFallbackRoute(
routeBuilder,
name,
/* templatePrefix */ null,
defaults,
constraints,
dataTokens);
public static void MapSpaFallbackRoute(this IRouteBuilder routeBuilder, string name, string templatePrefix, object defaults, object constraints = null, object dataTokens = null)
public static void MapSpaFallbackRoute(
this IRouteBuilder routeBuilder,
string name,
string templatePrefix,
object defaults,
object constraints = null,
object dataTokens = null)
{
var template = CreateRouteTemplate(templatePrefix);
@@ -29,25 +45,27 @@ namespace Microsoft.AspNetCore.Builder
{
templatePrefix = templatePrefix ?? string.Empty;
if (templatePrefix.Contains("?")) {
if (templatePrefix.Contains("?"))
{
// TODO: Consider supporting this. The {*clientRoute} part should be added immediately before the '?'
throw new ArgumentException("SPA fallback route templates don't support querystrings");
}
if (templatePrefix.Contains("#")) {
throw new ArgumentException("SPA fallback route templates should not include # characters. The hash part of a URI does not get sent to the server.");
if (templatePrefix.Contains("#"))
{
throw new ArgumentException(
"SPA fallback route templates should not include # characters. The hash part of a URI does not get sent to the server.");
}
if (templatePrefix != string.Empty && !templatePrefix.EndsWith("/")) {
if (templatePrefix != string.Empty && !templatePrefix.EndsWith("/"))
{
templatePrefix += "/";
}
return templatePrefix + $"{{*{ ClientRouteTokenName }}}";
return templatePrefix + $"{{*{ClientRouteTokenName}}}";
}
private static IDictionary<string, object> ObjectToDictionary(object value)
{
return value as IDictionary<string, object> ?? new RouteValueDictionary(value);
}
=> value as IDictionary<string, object> ?? new RouteValueDictionary(value);
}
}
}

98
src/Microsoft.AspNetCore.SpaServices/Webpack/ConditionalProxyMiddleware.cs
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@@ -8,65 +8,85 @@ using Microsoft.AspNetCore.Http;
namespace Microsoft.AspNetCore.SpaServices.Webpack
{
// Based on https://github.com/aspnet/Proxy/blob/dev/src/Microsoft.AspNetCore.Proxy/ProxyMiddleware.cs
// Differs in that, if the proxied request returns a 404, we pass through to the next middleware in the chain
// This is useful for Webpack middleware, because it lets you fall back on prebuilt files on disk for
// chunks not exposed by the current Webpack config (e.g., DLL/vendor chunks).
internal class ConditionalProxyMiddleware {
private RequestDelegate next;
private ConditionalProxyMiddlewareOptions options;
private HttpClient httpClient;
private string pathPrefix;
/// <summary>
/// Based on https://github.com/aspnet/Proxy/blob/dev/src/Microsoft.AspNetCore.Proxy/ProxyMiddleware.cs
/// Differs in that, if the proxied request returns a 404, we pass through to the next middleware in the chain
/// This is useful for Webpack middleware, because it lets you fall back on prebuilt files on disk for
/// chunks not exposed by the current Webpack config (e.g., DLL/vendor chunks).
/// </summary>
internal class ConditionalProxyMiddleware
{
private readonly HttpClient _httpClient;
private readonly RequestDelegate _next;
private readonly ConditionalProxyMiddlewareOptions _options;
private readonly string _pathPrefix;
public ConditionalProxyMiddleware(RequestDelegate next, string pathPrefix, ConditionalProxyMiddlewareOptions options)
public ConditionalProxyMiddleware(
RequestDelegate next,
string pathPrefix,
ConditionalProxyMiddlewareOptions options)
{
this.next = next;
this.pathPrefix = pathPrefix;
this.options = options;
this.httpClient = new HttpClient(new HttpClientHandler());
_next = next;
_pathPrefix = pathPrefix;
_options = options;
_httpClient = new HttpClient(new HttpClientHandler());
}
public async Task Invoke(HttpContext context)
{
if (context.Request.Path.StartsWithSegments(this.pathPrefix)) {
if (context.Request.Path.StartsWithSegments(_pathPrefix))
{
var didProxyRequest = await PerformProxyRequest(context);
if (didProxyRequest) {
if (didProxyRequest)
{
return;
}
}
// Not a request we can proxy
await this.next.Invoke(context);
await _next.Invoke(context);
}
private async Task<bool> PerformProxyRequest(HttpContext context) {
private async Task<bool> PerformProxyRequest(HttpContext context)
{
var requestMessage = new HttpRequestMessage();
// Copy the request headers
foreach (var header in context.Request.Headers) {
if (!requestMessage.Headers.TryAddWithoutValidation(header.Key, header.Value.ToArray()) && requestMessage.Content != null) {
foreach (var header in context.Request.Headers)
{
if (!requestMessage.Headers.TryAddWithoutValidation(header.Key, header.Value.ToArray()))
{
requestMessage.Content?.Headers.TryAddWithoutValidation(header.Key, header.Value.ToArray());
}
}
requestMessage.Headers.Host = options.Host + ":" + options.Port;
var uriString = $"{options.Scheme}://{options.Host}:{options.Port}{context.Request.PathBase}{context.Request.Path}{context.Request.QueryString}";
requestMessage.Headers.Host = _options.Host + ":" + _options.Port;
var uriString =
$"{_options.Scheme}://{_options.Host}:{_options.Port}{context.Request.PathBase}{context.Request.Path}{context.Request.QueryString}";
requestMessage.RequestUri = new Uri(uriString);
requestMessage.Method = new HttpMethod(context.Request.Method);
using (var responseMessage = await httpClient.SendAsync(requestMessage, HttpCompletionOption.ResponseHeadersRead, context.RequestAborted)) {
if (responseMessage.StatusCode == HttpStatusCode.NotFound) {
using (
var responseMessage =
await
_httpClient.SendAsync(requestMessage, HttpCompletionOption.ResponseHeadersRead,
context.RequestAborted))
{
if (responseMessage.StatusCode == HttpStatusCode.NotFound)
{
// Let some other middleware handle this
return false;
}
// We can handle this
context.Response.StatusCode = (int)responseMessage.StatusCode;
foreach (var header in responseMessage.Headers) {
context.Response.StatusCode = (int) responseMessage.StatusCode;
foreach (var header in responseMessage.Headers)
{
context.Response.Headers[header.Key] = header.Value.ToArray();
}
foreach (var header in responseMessage.Content.Headers) {
foreach (var header in responseMessage.Content.Headers)
{
context.Response.Headers[header.Key] = header.Value.ToArray();
}
@@ -77,16 +97,4 @@ namespace Microsoft.AspNetCore.SpaServices.Webpack
}
}
}
internal class ConditionalProxyMiddlewareOptions {
public string Scheme { get; private set; }
public string Host { get; private set; }
public string Port { get; private set; }
public ConditionalProxyMiddlewareOptions(string scheme, string host, string port) {
this.Scheme = scheme;
this.Host = host;
this.Port = port;
}
}
}
}

16
src/Microsoft.AspNetCore.SpaServices/Webpack/ConditionalProxyMiddlewareOptions.cs Normal file
View File

@@ -0,0 +1,16 @@
namespace Microsoft.AspNetCore.SpaServices.Webpack
{
internal class ConditionalProxyMiddlewareOptions
{
public ConditionalProxyMiddlewareOptions(string scheme, string host, string port)
{
Scheme = scheme;
Host = host;
Port = port;
}
public string Scheme { get; }
public string Host { get; }
public string Port { get; }
}
}

68
src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddleware.cs
View File

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

8
src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddlewareOptions.cs
View File

@@ -1,7 +1,9 @@
namespace Microsoft.AspNetCore.SpaServices.Webpack {
public class WebpackDevMiddlewareOptions {
namespace Microsoft.AspNetCore.SpaServices.Webpack
{
public class WebpackDevMiddlewareOptions
{
public bool HotModuleReplacement { get; set; }
public bool ReactHotModuleReplacement { get; set; }
public string ConfigFile { get; set; }
}
}
}