Centralize trimming settings in common .targets file

Author: Sergio0694

CommunityToolkit.Common/CommunityToolkit.Common.csproj

@@ -14,12 +14,9 @@
     <PackageTags>Incremental;Loading;Collection;IncrementalLoadingCollection;String;Array;Extensions;Helpers</PackageTags>
   </PropertyGroup>
 
-  <!-- .NET Standard 2.1 and .NET 6 already have [NotNullIfNotNull] and [NotNullWhen].
-       Additionally, also enable trimming support on .NET 6. -->
+  <!-- .NET Standard 2.1 and .NET 6 already have [NotNullIfNotNull] and [NotNullWhen] -->
   <PropertyGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <DefineConstants>NETSTANDARD2_1_OR_GREATER</DefineConstants>
-    <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
-    <IsTrimmable>true</IsTrimmable>
   </PropertyGroup>
 
 </Project>

CommunityToolkit.Diagnostics/CommunityToolkit.Diagnostics.csproj

@@ -38,8 +38,6 @@
     <When Condition="'$(TargetFramework)' == 'net6.0'">
       <PropertyGroup>
         <DefineConstants>NETSTANDARD2_1_OR_GREATER</DefineConstants>
-        <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
-        <IsTrimmable>true</IsTrimmable>
       </PropertyGroup>
     </When>
   </Choose>

CommunityToolkit.HighPerformance/CommunityToolkit.HighPerformance.csproj

@@ -51,8 +51,6 @@
            Additionally, also enable trimming support on .NET 6. -->
       <PropertyGroup>
         <DefineConstants>NETSTANDARD2_1_OR_GREATER</DefineConstants>
-        <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
-        <IsTrimmable>true</IsTrimmable>
       </PropertyGroup>
     </When>
 

CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.csproj

@@ -34,12 +34,6 @@
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
   </ItemGroup>
 
-  <!-- Enable trimming support on .NET 6 -->
-  <PropertyGroup Condition="'$(TargetFramework)' == 'net6.0'">
-    <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
-    <IsTrimmable>true</IsTrimmable>
-  </PropertyGroup>
-
   <!-- Reference the various multi-targeted versions of the source generator project (one per Roslyn version) -->
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <ProjectReference Include="..\CommunityToolkit.Mvvm.SourceGenerators.Roslyn401\CommunityToolkit.Mvvm.SourceGenerators.Roslyn401.csproj" ReferenceOutputAssembly="false" />

build/Community.Toolkit.Common.targets

@@ -17,4 +17,10 @@
     <None Include="$(RepositoryDirectory)ThirdPartyNotices.txt" Pack="true" PackagePath="\" Visible="False" />
   </ItemGroup>
 
+  <!-- Configure trimming for core projects on .NET 6 and above -->
+  <PropertyGroup Condition="'$(IsCoreProject)' == 'true' AND ('$(TargetFramework)' == 'net6.0' OR '$(TargetFramework)' == 'net7.0')">
+    <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
+    <IsTrimmable>true</IsTrimmable>
+  </PropertyGroup>
+
 </Project>