Update Logging Target

Wabbajack.App.Blazor/App.xaml.cs

@@ -40,12 +40,13 @@ public partial class App
             Layout = "${processtime} [${level:uppercase=true}] (${logger}) ${message:withexception=true}",
             Header = "############ Wabbajack log file - ${longdate} ############"
         };
+        
         var consoleTarget = new ConsoleTarget("console");
-        var uiTarget = new MemoryTarget
+        
+        var uiTarget = new UiLoggerTarget
         {
             Name = "ui",
             Layout = "${message}",
-            
         };
         
         var blackholeTarget = new NullTarget("blackhole");

Wabbajack.App.Blazor/Components/VirtualLogger.razor

@@ -1,23 +1,32 @@
 @using NLog
 @using NLog.Targets
+@using Wabbajack.App.Blazor.Utility
+@using System.Reactive.Linq
 @namespace Wabbajack.App.Blazor.Components
 
 <div id="virtual-logger">
-    <Virtualize Items="@Logs" Context="logItem" OverscanCount="3">
-        <span @key="logItem">@logItem</span>
-    </Virtualize>
+    @foreach (var logItem in _logs)
+    {
+        <span>@logItem</span>
+    }
 </div>
 
 @code {
-
     // TODO: [Low] More parameters to customise the logger. E.g. Reverse order.
     // TODO: [High] Find a way to auto-scroll. (JS interop?) 
 
-    private MemoryTarget? _memoryTarget;
-    private ICollection<string> Logs => _memoryTarget?.Logs ?? Array.Empty<string>();
+    private UiLoggerTarget? _loggerTarget;
+    private ICollection<string> _logs = Array.Empty<string>();
 
     protected override void OnInitialized()
     {
-        _memoryTarget = LogManager.Configuration.FindTargetByName<MemoryTarget>("ui");
+        _loggerTarget = LogManager.Configuration.FindTargetByName<UiLoggerTarget>("ui");
+
+        // TODO: can do different things here, buffering is just the simples operation 
+        _loggerTarget.Logs.Buffer(TimeSpan.FromSeconds(1)).Subscribe(next =>
+        {
+            _logs = next;
+            InvokeAsync(StateHasChanged);
+        });
     }
 }

Wabbajack.App.Blazor/Utility/UILoggerTarget.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Reactive.Subjects;
+using NLog;
+using NLog.Targets;
+
+namespace Wabbajack.App.Blazor.Utility;
+
+public class UiLoggerTarget : TargetWithLayout
+{
+    private readonly Subject<string> _logs = new();
+    public IObservable<string> Logs => _logs;
+
+    protected override void Write(LogEventInfo logEvent)
+    {
+        _logs.OnNext(RenderLogEvent(Layout, logEvent));
+    }
+}