fix: include AngleSharpWrappers.dll in bunit.web.nupkg

Author: egil

src/bunit.web/bunit.web.csproj

@@ -49,10 +49,30 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<ProjectReference Include="..\AngleSharpWrappers\AngleSharpWrappers.csproj" />
+		<ProjectReference Include="..\AngleSharpWrappers\AngleSharpWrappers.csproj" PrivateAssets="All" />
 		<ProjectReference Include="..\bunit.core\bunit.core.csproj" />
 	</ItemGroup>
 
+	<!-- The following two elements ensures that AngleSharpWrappers.dll is included in this projects nuget package -->
+	<PropertyGroup>
+		<TargetsForTfmSpecificBuildOutput>$(TargetsForTfmSpecificBuildOutput);CopyProjectReferencesToPackage</TargetsForTfmSpecificBuildOutput>
+	</PropertyGroup>
+
+	<Target Name="CopyProjectReferencesToPackage" DependsOnTargets="BuildOnlySettings;ResolveReferences">
+		<ItemGroup>
+			<!-- Filter out unnecessary files -->
+			<_ReferenceCopyLocalPaths Include="@(ReferenceCopyLocalPaths->WithMetadataValue('ReferenceSourceTarget', 'ProjectReference')->WithMetadataValue('PrivateAssets', 'All'))"/>
+		</ItemGroup>
+
+		<!-- Print batches for debug purposes -->
+		<Message Text="Batch for .nupkg: ReferenceCopyLocalPaths = @(_ReferenceCopyLocalPaths), ReferenceCopyLocalPaths.DestinationSubDirectory = %(_ReferenceCopyLocalPaths.DestinationSubDirectory) Filename = %(_ReferenceCopyLocalPaths.Filename) Extension = %(_ReferenceCopyLocalPaths.Extension)" Importance="High" Condition="'@(_ReferenceCopyLocalPaths)' != ''" />
+
+		<ItemGroup>
+			<!-- Add file to package with consideration of sub folder. If empty, the root folder is chosen. -->
+			<BuildOutputInPackage Include="@(_ReferenceCopyLocalPaths)" TargetPath="%(_ReferenceCopyLocalPaths.DestinationSubDirectory)"/>
+		</ItemGroup>
+	</Target>
+
 	<ItemGroup Label="Implicit usings" Condition="$(MSBuildProjectName) != 'bunit.template' AND $(MSBuildProjectName) != 'bunit'">
 		<Using Include="Microsoft.AspNetCore.Components.Web" />
 		<Using Include="Microsoft.JSInterop" />