Use custom service provider with static NavManager for static rendere…

…d components
ServiceStack · Mar 24, 2024 · 90e9516 · 90e9516
1 parent ed6c4c9
commit 90e9516
Show file tree

Hide file tree

Showing 2 changed files with 28 additions and 3 deletions.
diff --git a/MyApp/Configure.Renderer.cs b/MyApp/Configure.Renderer.cs
@@ -1,4 +1,5 @@
 using System.Data;
+using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
 using MyApp.Components.Shared;
 using MyApp.Data;
@@ -15,17 +16,41 @@ namespace MyApp;
 
 public class ConfigureRenderer : IHostingStartup
 {
+    static T RequiredService<T>() where T : notnull => 
+        ServiceStackHost.Instance.GetApplicationServices().GetRequiredService<T>();
+
     public void Configure(IWebHostBuilder builder) => builder
-        .ConfigureServices(services =>
+        .ConfigureServices((context,services) =>
         {
-            services.AddScoped<HtmlRenderer>();
+            var svc = new ServiceCollection();
+            svc.AddLogging();
+            svc.AddSingleton<AppConfig>(c => RequiredService<AppConfig>());
+            svc.AddSingleton<MarkdownQuestions>(c => RequiredService<MarkdownQuestions>());
+            svc.AddSingleton<NavigationManager>(c => new StaticNavigationManager());
+            var sp = svc.BuildServiceProvider();
+            services.AddScoped<HtmlRenderer>(c => new HtmlRenderer(sp, c.GetRequiredService<ILoggerFactory>()));
+            
             services.AddScoped<BlazorRenderer>();
             services.AddSingleton<RendererCache>();
             services.RegisterService<RenderServices>();
         })
         .ConfigureAppHost(appHost => { });
 }
 
+// Use fake NavigationManager in Static Rendering to avoid NavigationManager has not been initialized Exception
+internal class StaticNavigationManager : NavigationManager
+{
+    public StaticNavigationManager()
+    {
+        Initialize("https://pvq.app/", "https://pvq.app/");
+    }
+
+    protected override void NavigateToCore(string uri, bool forceLoad)
+    {
+        NotifyLocationChanged(false);
+    }
+}
+
 public class RendererCache(AppConfig appConfig, R2VirtualFiles r2)
 {
     private static bool DisableCache = false;

diff --git a/MyApp/Markdown.Questions.cs b/MyApp/Markdown.Questions.cs
@@ -2,7 +2,7 @@
 
 namespace MyApp;
 
-public class MarkdownQuestions(ILogger<MarkdownPages> log, IWebHostEnvironment env, IVirtualFiles fs)
+public class MarkdownQuestions(ILogger<MarkdownQuestions> log, IWebHostEnvironment env, IVirtualFiles fs)
     : MarkdownPagesBase<MarkdownFileInfo>(log, env, fs)
 {
     public override string Id => "questions";