Add foundation

Toolkit.Foundation/ComponentHost.cs

@@ -0,0 +1,41 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace Toolkit.Foundation;
+
+public sealed class ComponentHost(IServiceProvider services,
+    IEnumerable<IInitializer> initializers,
+    IEnumerable<IHostedService> hostedServices) :
+    IComponentHost
+{
+    public IServiceProvider Services => services;
+
+    public ComponentConfiguration? Configuration =>
+        Services.GetService<ComponentConfiguration>();
+
+    public void Dispose()
+    {
+
+    }
+
+    public async Task StartAsync(CancellationToken cancellationToken = default)
+    {
+        foreach (IInitializer initializer in initializers)
+        {
+            await initializer.Initialize();
+        }
+
+        foreach (IHostedService service in hostedServices)
+        {
+            await service.StartAsync(cancellationToken);
+        }
+    }
+
+    public async Task StopAsync(CancellationToken cancellationToken = default)
+    {
+        foreach (IHostedService service in hostedServices)
+        {
+            await service.StopAsync(cancellationToken);
+        }
+    }
+}