Add foundation

Toolkit.Foundation/ObjectExtensions.cs

@@ -0,0 +1,32 @@
+using System.Reflection;
+
+namespace Toolkit.Foundation;
+
+public static class ObjectExtensions
+{
+    public static object? GetPropertyValue(this object obj, Func<object> selector)
+    {
+        Type type = obj.GetType();
+
+        object? key = selector();
+        if (type.GetProperty($"{key}") is PropertyInfo property
+            && property.GetValue(obj) is { } value)
+        {
+            return value;
+        }
+
+        return null;
+    }
+
+    public static TAttribute? GetAttribute<TAttribute>(this object obj) 
+        where TAttribute : Attribute
+    {
+        Type type = obj.GetType();
+        if (type.GetAttribute<TAttribute>() is TAttribute attribute)
+        {
+            return attribute;
+        }
+
+        return null;
+    }
+}