From b429bf6650fb29bd2e012d18204ef0315edf7446 Mon Sep 17 00:00:00 2001
From: JKamsker <jonas@kamsker.at>
Date: Wed, 18 Dec 2024 19:54:25 +0100
Subject: [PATCH] Add support for ignoring compiler generated properties

---
 TypeSupport/TypeSupport/Extensions/PropertyOptions.cs | 4 ++++
 TypeSupport/TypeSupport/Extensions/TypeExtensions.cs  | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/TypeSupport/TypeSupport/Extensions/PropertyOptions.cs b/TypeSupport/TypeSupport/Extensions/PropertyOptions.cs
index 6c4161d..05ca848 100644
--- a/TypeSupport/TypeSupport/Extensions/PropertyOptions.cs
+++ b/TypeSupport/TypeSupport/Extensions/PropertyOptions.cs
@@ -32,5 +32,9 @@ public enum PropertyOptions : byte
         /// Properties that contain a collection indexer
         /// </summary>
         HasIndexer = 16,
+        /// <summary>
+        /// Do not include compiler generated types
+        /// </summary>
+        NoCompilerGenerated = 32,
     }
 }
diff --git a/TypeSupport/TypeSupport/Extensions/TypeExtensions.cs b/TypeSupport/TypeSupport/Extensions/TypeExtensions.cs
index 9e94ab4..8e8d87f 100644
--- a/TypeSupport/TypeSupport/Extensions/TypeExtensions.cs
+++ b/TypeSupport/TypeSupport/Extensions/TypeExtensions.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.CompilerServices;
 
 namespace TypeSupport.Extensions
 {
@@ -65,7 +66,11 @@ public static ICollection<ExtendedProperty> GetProperties(this Type type, Proper
             if (options.HasFlag(PropertyOptions.HasIndexer))
                 returnProperties = returnProperties.Where(x => x.GetIndexParameters().Any());
 
+            if (options.HasFlag(PropertyOptions.NoCompilerGenerated))
+                returnProperties = returnProperties.Where(x => !x.GetGetMethod(true).IsDefined(typeof(CompilerGeneratedAttribute), true));
+
             return returnProperties
+                .Where(x => !(x.Name == "EqualityContract" && x.PropertyType == typeof(Type)))
                 .Select(x => new ExtendedProperty(x, propogateTypeSupportOptions)).ToList();
         }