Streamline bundled .targets across TFMs

Author: Sergio0694

src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.FeatureSwitches.targets

@@ -8,8 +8,9 @@
   <!--
     Configuration for the feature switches (to support IL trimming).
     See the 'ILLink.Substitutions.xml' file for more details on that.
+    We only include these on .NET 6 and above (no .xml file otherwise).
   -->
-  <ItemGroup>
+  <ItemGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net6.0'))">
 
     <!-- MVVMTOOLKIT_ENABLE_INOTIFYPROPERTYCHANGING_SUPPORT switch -->
     <RuntimeHostConfigurationOption Include="MVVMTOOLKIT_ENABLE_INOTIFYPROPERTYCHANGING_SUPPORT"

src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.csproj

@@ -96,41 +96,13 @@
 
   <ItemGroup Label="Package">
 
-    <!-- .NET Standard 2.0 only needs the Roslyn validation .targets -->
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="buildTransitive\netstandard2.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="buildTransitive\netstandard2.0" Pack="true" />    
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="build\netstandard2.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="build\netstandard2.0" Pack="true" />
-
-    <!-- .NET Standard 2.0 does the same -->
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="buildTransitive\netstandard2.1" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="buildTransitive\netstandard2.1" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="build\netstandard2.1" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="build\netstandard2.1" Pack="true" />
-    
-    <!-- .NET 6 also supports feature switches -->
-    <None Include="CommunityToolkit.Mvvm.FeatureSwitches.targets" PackagePath="buildTransitive\net6.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="buildTransitive\net6.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="buildTransitive\net6.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.FeatureSwitches.targets" PackagePath="build\net6.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="build\net6.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="build\net6.0" Pack="true" />
-
-    <!-- .NET 8 does the same as .NET 6 -->
-    <None Include="CommunityToolkit.Mvvm.FeatureSwitches.targets" PackagePath="buildTransitive\net8.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="buildTransitive\net8.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="buildTransitive\net8.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.FeatureSwitches.targets" PackagePath="build\net8.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="build\net8.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="build\net8.0" Pack="true" />
-    
-    <!-- .NET 8 on Windows is the same as .NET 8 with respect to .targets -->
-    <None Include="CommunityToolkit.Mvvm.FeatureSwitches.targets" PackagePath="buildTransitive\net8.0-windows10.0.17763.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="buildTransitive\net8.0-windows10.0.17763.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="buildTransitive\net8.0-windows10.0.17763.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.FeatureSwitches.targets" PackagePath="build\net8.0-windows10.0.17763.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="build\net8.0-windows10.0.17763.0" Pack="true" />
-    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="build\net8.0-windows10.0.17763.0" Pack="true" />
+    <!-- Include the custom .targets files (shared across TFMs) -->
+    <None Include="CommunityToolkit.Mvvm.FeatureSwitches.targets" PackagePath="build" Pack="true" />
+    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="build" Pack="true" />
+    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="build" Pack="true" />
+    <None Include="CommunityToolkit.Mvvm.FeatureSwitches.targets" PackagePath="buildTransitive" Pack="true" />
+    <None Include="CommunityToolkit.Mvvm.SourceGenerators.targets" PackagePath="buildTransitive" Pack="true" />
+    <None Include="CommunityToolkit.Mvvm.targets" PackagePath="buildTransitive" Pack="true" />
 
     <!--
       Pack the source generator to the right package folders (each matching the target Roslyn version).

src/CommunityToolkit.Mvvm/CommunityToolkit.Mvvm.targets

@@ -6,8 +6,8 @@
     <_CommunityToolkitMvvmSourceGeneratorsTargets>$(MSBuildThisFileDirectory)CommunityToolkit.Mvvm.SourceGenerators.targets</_CommunityToolkitMvvmSourceGeneratorsTargets>
   </PropertyGroup>
 
-  <!-- Import all available .targets (NuGet only auto-imports the one whose name matches the package name) -->
-  <Import Project="$(_CommunityToolkitMvvmFeatureSwitchesTargets)" Condition="Exists('$(_CommunityToolkitMvvmFeatureSwitchesTargets)')"/>
-  <Import Project="$(_CommunityToolkitMvvmSourceGeneratorsTargets)" Condition="Exists('$(_CommunityToolkitMvvmSourceGeneratorsTargets)')"/>
+  <!-- Import all available .targets -->
+  <Import Project="$(_CommunityToolkitMvvmFeatureSwitchesTargets)" />
+  <Import Project="$(_CommunityToolkitMvvmSourceGeneratorsTargets)" />
 
 </Project>