AOT compatible: NuGet.LibraryModel (#7140)

Author: Nigusu-Allehu

src/NuGet.Core/NuGet.LibraryModel/EnumUtility.cs

@@ -0,0 +1,17 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+
+namespace NuGet.LibraryModel
+{
+    internal class EnumUtility
+    {
+        public static TEnum[] GetValues<TEnum>() where TEnum : struct, Enum =>
+#if NET
+       Enum.GetValues<TEnum>();
+#else
+        (TEnum[])Enum.GetValues(typeof(TEnum));
+#endif
+    }
+}

src/NuGet.Core/NuGet.LibraryModel/LibraryDependencyTargetUtils.cs

@@ -125,7 +125,7 @@ public static string GetFlagString(LibraryDependencyTarget flags)
 
             var flagStrings = new List<string>();
 
-            foreach (LibraryDependencyTarget value in Enum.GetValues(typeof(LibraryDependencyTarget)))
+            foreach (LibraryDependencyTarget value in EnumUtility.GetValues<LibraryDependencyTarget>())
             {
                 if (value != LibraryDependencyTarget.None && flags.HasFlag(value))
                 {

src/NuGet.Core/NuGet.LibraryModel/LibraryIncludeFlagUtils.cs

@@ -86,7 +86,7 @@ public static string GetFlagString(LibraryIncludeFlags flags)
 
             var flagStrings = new List<string>();
 
-            foreach (LibraryIncludeFlags value in Enum.GetValues(typeof(LibraryIncludeFlags)))
+            foreach (LibraryIncludeFlags value in EnumUtility.GetValues<LibraryIncludeFlags>())
             {
                 if (value != LibraryIncludeFlags.None && flags.HasFlag(value))
                 {

src/NuGet.Core/NuGet.LibraryModel/NuGet.LibraryModel.csproj

@@ -7,6 +7,7 @@
     <Shipping>true</Shipping>
     <IncludeInVSIX>true</IncludeInVSIX>
     <XPLATProject>true</XPLATProject>
+    <IsAotCompatible>true</IsAotCompatible>
     <Description>NuGet's types and interfaces for understanding dependencies.</Description>
   </PropertyGroup>