Update MiniRazor to use build-time template compilation

DiscordChatExporter.Domain/DiscordChatExporter.Domain.csproj

@@ -1,8 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
+  <PropertyGroup>
+    <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
+  </PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="JsonExtensions" Version="1.0.1" />
-    <PackageReference Include="MiniRazor" Version="1.1.0" />
+    <PackageReference Include="MiniRazor" Version="2.0.3" />
     <PackageReference Include="Polly" Version="7.2.1" />
     <PackageReference Include="Tyrrrz.Extensions" Version="1.6.5" />
   </ItemGroup>
@@ -11,9 +15,9 @@
     <EmbeddedResource Include="Exporting\Writers\Html\Core.css" />
     <EmbeddedResource Include="Exporting\Writers\Html\Dark.css" />
     <EmbeddedResource Include="Exporting\Writers\Html\Light.css" />
-    <EmbeddedResource Include="Exporting\Writers\Html\PreambleTemplate.cshtml" />
+    <AdditionalFiles Include="Exporting\Writers\Html\PreambleTemplate.cshtml" IsRazorTemplate="true" />
-    <EmbeddedResource Include="Exporting\Writers\Html\PostambleTemplate.cshtml" />
+    <AdditionalFiles Include="Exporting\Writers\Html\PostambleTemplate.cshtml" IsRazorTemplate="true" />
-    <EmbeddedResource Include="Exporting\Writers\Html\MessageGroupTemplate.cshtml" />
+    <AdditionalFiles Include="Exporting\Writers\Html\MessageGroupTemplate.cshtml" IsRazorTemplate="true" />
   </ItemGroup>
 
 </Project>

DiscordChatExporter.Domain/Exporting/Writers/Html/MessageGroupTemplate.cshtml

@@ -1,7 +1,8 @@
 @using System
 @using System.Linq
 @using System.Threading.Tasks
-@inherits MiniRazor.MiniRazorTemplateBase<DiscordChatExporter.Domain.Exporting.Writers.Html.MessageGroupTemplateContext>
+@namespace DiscordChatExporter.Domain.Exporting.Writers.Html
+@inherits MiniRazor.TemplateBase<DiscordChatExporter.Domain.Exporting.Writers.Html.MessageGroupTemplateContext>
 
 @{
     string FormatDate(DateTimeOffset date) => Model.ExportContext.FormatDate(date);

DiscordChatExporter.Domain/Exporting/Writers/Html/PostambleTemplate.cshtml

@@ -1,4 +1,5 @@
-@inherits MiniRazor.MiniRazorTemplateBase<DiscordChatExporter.Domain.Exporting.Writers.Html.LayoutTemplateContext>
+@namespace DiscordChatExporter.Domain.Exporting.Writers.Html
+@inherits MiniRazor.TemplateBase<DiscordChatExporter.Domain.Exporting.Writers.Html.LayoutTemplateContext>
 
 </div>
 
@@ -7,4 +8,5 @@
 </div>
 
 </body>
+
 </html>

DiscordChatExporter.Domain/Exporting/Writers/Html/PreambleTemplate.cshtml

@@ -1,7 +1,8 @@
 @using System
 @using System.Threading.Tasks
 @using Tyrrrz.Extensions
-@inherits MiniRazor.MiniRazorTemplateBase<DiscordChatExporter.Domain.Exporting.Writers.Html.LayoutTemplateContext>
+@namespace DiscordChatExporter.Domain.Exporting.Writers.Html
+@inherits MiniRazor.TemplateBase<DiscordChatExporter.Domain.Exporting.Writers.Html.LayoutTemplateContext>
 
 @{
     string FormatDate(DateTimeOffset date) => Model.ExportContext.FormatDate(date);

DiscordChatExporter.Domain/Exporting/Writers/Html/TemplateBundle.cs

@@ -1,65 +0,0 @@
-using System.Runtime.CompilerServices;
-using System.Threading.Tasks;
-using MiniRazor;
-using Tyrrrz.Extensions;
-
-[assembly: InternalsVisibleTo(DiscordChatExporter.Domain.Exporting.Writers.Html.TemplateBundle.PreambleTemplateAssemblyName)]
-[assembly: InternalsVisibleTo(DiscordChatExporter.Domain.Exporting.Writers.Html.TemplateBundle.MessageGroupTemplateAssemblyName)]
-[assembly: InternalsVisibleTo(DiscordChatExporter.Domain.Exporting.Writers.Html.TemplateBundle.PostambleTemplateAssemblyName)]
-
-namespace DiscordChatExporter.Domain.Exporting.Writers.Html
-{
-    internal partial class TemplateBundle
-    {
-        public const string PreambleTemplateAssemblyName = "RazorAssembly_Preamble";
-        public const string MessageGroupTemplateAssemblyName = "RazorAssembly_MessageGroup";
-        public const string PostambleTemplateAssemblyName = "RazorAssembly_Postamble";
-
-        public MiniRazorTemplateDescriptor PreambleTemplate { get; }
-
-        public MiniRazorTemplateDescriptor MessageGroupTemplate { get; }
-
-        public MiniRazorTemplateDescriptor PostambleTemplate { get; }
-
-        public TemplateBundle(
-            MiniRazorTemplateDescriptor preambleTemplate,
-            MiniRazorTemplateDescriptor messageGroupTemplate,
-            MiniRazorTemplateDescriptor postambleTemplate)
-        {
-            PreambleTemplate = preambleTemplate;
-            MessageGroupTemplate = messageGroupTemplate;
-            PostambleTemplate = postambleTemplate;
-        }
-    }
-
-    internal partial class TemplateBundle
-    {
-        private static TemplateBundle? _lastBundle;
-
-        // This is very CPU-heavy
-        private static async ValueTask<TemplateBundle> CompileAsync() => await Task.Run(() =>
-        {
-            var ns = typeof(TemplateBundle).Namespace!;
-
-            var preambleTemplateSource = typeof(HtmlMessageWriter).Assembly
-                .GetManifestResourceString($"{ns}.PreambleTemplate.cshtml");
-
-            var messageGroupTemplateSource = typeof(HtmlMessageWriter).Assembly
-                .GetManifestResourceString($"{ns}.MessageGroupTemplate.cshtml");
-
-            var postambleTemplateSource = typeof(HtmlMessageWriter).Assembly
-                .GetManifestResourceString($"{ns}.PostambleTemplate.cshtml");
-
-            var engine = new MiniRazorTemplateEngine();
-
-            var preambleTemplate = engine.Compile(preambleTemplateSource, PreambleTemplateAssemblyName, ns);
-            var messageGroupTemplate = engine.Compile(messageGroupTemplateSource, MessageGroupTemplateAssemblyName, ns);
-            var postambleTemplate = engine.Compile(postambleTemplateSource, PostambleTemplateAssemblyName, ns);
-
-            return new TemplateBundle(preambleTemplate, messageGroupTemplate, postambleTemplate);
-        });
-
-        public static async ValueTask<TemplateBundle> ResolveAsync() =>
-            _lastBundle ??= await CompileAsync();
-    }
-}

DiscordChatExporter.Domain/Exporting/Writers/HtmlMessageWriter.cs

@@ -26,20 +26,18 @@ namespace DiscordChatExporter.Domain.Exporting.Writers
         public override async ValueTask WritePreambleAsync()
         {
             var templateContext = new LayoutTemplateContext(Context, _themeName, _messageCount);
-            var templateBundle = await TemplateBundle.ResolveAsync();
 
             await _writer.WriteLineAsync(
-                await templateBundle.PreambleTemplate.RenderAsync(templateContext)
+                await PreambleTemplate.RenderAsync(templateContext)
             );
         }
 
         private async ValueTask WriteMessageGroupAsync(MessageGroup messageGroup)
         {
             var templateContext = new MessageGroupTemplateContext(Context, messageGroup);
-            var templateBundle = await TemplateBundle.ResolveAsync();
 
             await _writer.WriteLineAsync(
-                await templateBundle.MessageGroupTemplate.RenderAsync(templateContext)
+                await MessageGroupTemplate.RenderAsync(templateContext)
             );
         }
 
@@ -70,10 +68,9 @@ namespace DiscordChatExporter.Domain.Exporting.Writers
                 await WriteMessageGroupAsync(MessageGroup.Join(_messageGroupBuffer));
 
             var templateContext = new LayoutTemplateContext(Context, _themeName, _messageCount);
-            var templateBundle = await TemplateBundle.ResolveAsync();
 
             await _writer.WriteLineAsync(
-                await templateBundle.PostambleTemplate.RenderAsync(templateContext)
+                await PostambleTemplate.RenderAsync(templateContext)
             );
         }