Add custom HtmlEncoder to DI

Author: DamianEdwards

src/BenchmarksApps/TechEmpower/BlazorSSR/Program.cs

@@ -25,7 +25,6 @@
 builder.Services.AddRazorComponents();
 builder.Services.AddSingleton(serviceProvider =>
 {
-    // TODO: This custom configured HtmlEncoder won't actually be used until Blazor supports it: https://github.com/dotnet/aspnetcore/issues/47477
     var settings = new TextEncoderSettings(UnicodeRanges.BasicLatin, UnicodeRanges.Katakana, UnicodeRanges.Hiragana);
     settings.AllowCharacter('\u2014'); // allow EM DASH through
     return HtmlEncoder.Create(settings);

src/BenchmarksApps/TechEmpower/Minimal/Program.cs

@@ -23,6 +23,7 @@
 // Add services to the container.
 builder.Services.AddSingleton(new Db(appSettings));
 builder.Services.AddRazorComponents();
+builder.Services.AddSingleton(CreateHtmlEncoder());
 
 var app = builder.Build();
 
@@ -38,9 +39,7 @@
 
 app.MapGet("/db/result", async (Db db) => Results.Json(await db.LoadSingleQueryRow()));
 
-var htmlEncoder = CreateHtmlEncoder();
-
-app.MapGet("/fortunes", async (HttpContext context, Db db) => {
+app.MapGet("/fortunes", async (HttpContext context, Db db, HtmlEncoder htmlEncoder) => {
     var fortunes = await db.LoadFortunesRows();
     //var fortunes = await db.LoadFortunesRowsNoDb(); // Don't call the database
     var template = (RazorSliceHttpResult<List<Fortune>>)Fortunes.Create(fortunes);