- shit: Cleanup this mess

Nebula.Launcher/Services/ViewHelperService.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using Avalonia.Controls;
+using Nebula.Launcher.ViewModels;
+using Nebula.Shared;
+
+namespace Nebula.Launcher.Services;
+
+[ServiceRegister, ConstructGenerator]
+public sealed partial class ViewHelperService
+{
+    [GenerateProperty] private IServiceProvider ServiceProvider { get; } = default!;
+    
+    public bool TryGetViewModel(Type type, [NotNullWhen(true)] out ViewModelBase? viewModelBase)
+    {
+        viewModelBase = null;
+        var vm = Design.IsDesignMode
+            ? Activator.CreateInstance(type)
+            : ServiceProvider.GetService(type);
+
+        if (vm is not ViewModelBase vmb) return false;
+
+        viewModelBase = vmb;
+        return true;
+    }
+
+    public bool TryGetViewModel<T>([NotNullWhen(true)] out T? viewModelBase) where T : ViewModelBase
+    {
+        var success = TryGetViewModel(typeof(T), out var vmb);
+        viewModelBase = (T?)vmb;
+        return success;
+    }
+
+    public T GetViewModel<T>() where T : ViewModelBase
+    {
+        TryGetViewModel<T>(out var viewModelBase);
+        return viewModelBase!;
+    }
+
+    private void Initialise(){}
+    private void InitialiseInDesignMode(){}
+}