ToolkitComponent.SourceProject.props

<Project InitialProjects="CheckComponentName">
  <Target Name="CheckComponentName">
    <Error Condition="$(ToolkitComponentName) == ''" Message="ToolkitComponentName is not defined. Please check your csproj." />
  </Target>

  <!-- Generate the .xml files for documentation for all source projects (needed for IntelliSense docs) -->
  <PropertyGroup>
    <GenerateDocumentationFile>true</GenerateDocumentationFile>
  </PropertyGroup>

  <!-- Set up the MultiTarget system -->
  <Import Project="$(ToolingDirectory)\MultiTarget\Library.props" />

  <PropertyGroup>
    <DateForVersion Condition="'$(DateForVersion)' == ''">$([System.DateTime]::UtcNow.ToString(yyMMdd))</DateForVersion>
    <Version Condition="'$(Version)' == ''">$(MajorVersion).$(MinorVersion).$(DateForVersion)</Version>
    <Version Condition="'$(PreviewVersion)' != ''">$(Version)-$(PreviewVersion)</Version>
    <PackageId Condition="'$(PackageId)' == ''">$(PackageIdPrefix).$(PackageIdVariant).$(ToolkitComponentName)</PackageId>
  </PropertyGroup>

  <Sdk Condition="'$(IsUwp)' == 'true' AND '$(MultiTargetPlatformIdentifier)' != 'windows'" Name="MSBuild.Sdk.Extras" Version="3.0.23" />

  <PropertyGroup>
    <IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">true</IsAotCompatible>
    <CsWinRTAotWarningLevel Condition="'$(IsAotCompatible)' == 'true'">2</CsWinRTAotWarningLevel>
  </PropertyGroup>

  <!-- Auto Generate our own Assembly Info -->
  <PropertyGroup>
    <!-- Turn-off .NET based AssemblyInfo.cs generator, see below -->
    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
  </PropertyGroup>

  <!-- https://stackoverflow.com/questions/10980249/msbuild-task-for-setting-custom-attribute-in-assemblyinfo-cs -->
  <!-- https://gist.github.com/KirillOsenkov/f20cb84d37a89b01db63f8aafe03f19b -->
  <Target Name="AddAssemblyAttributes" BeforeTargets="BeforeCompile">
    <PropertyGroup>
      <GeneratedAssemblyInfoPath>$(IntermediateOutputPath)AssemblyInfo.g.cs</GeneratedAssemblyInfoPath>
    </PropertyGroup>

    <ItemGroup>
      <!-- Add our own AssemblyInfo.cs standard attributes -->
      <AssemblyAttributes Include="AssemblyTitle">
        <_Parameter1>$(PackageId)</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyDescription">
        <_Parameter1>$(Description)</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyCompany">
        <_Parameter1>$(Company)</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyProduct">
        <_Parameter1>$(Product)</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyCopyright">
        <_Parameter1>$(Copyright)</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyTrademark">
        <_Parameter1></_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyCulture">
        <_Parameter1></_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyConfiguration">
        <_Parameter1>$(Configuration)</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyVersion">
        <!-- This should remain as Major.Minor as Assembly Version shouldn't change across small revisions -->
        <_Parameter1>$(MajorVersion).$(MinorVersion).0.0</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyFileVersion">
        <!-- TODO: We should include some build number in here to make it more unique, can't use same date as too large -->
        <_Parameter1>$(MajorVersion).$(MinorVersion).0.0</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="AssemblyInformationalVersion">
        <_Parameter1>$(Version)</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="System.Runtime.InteropServices.ComVisible">
        <_Parameter1>false</_Parameter1>
        <_Parameter1_TypeName>System.Boolean</_Parameter1_TypeName>
      </AssemblyAttributes>

      <!-- Add custom attributes, also see https://stackoverflow.com/questions/56835671/how-to-read-a-msbuild-property-in-a-given-project-in-runtime -->
      <AssemblyAttributes Include="System.Reflection.AssemblyMetadataAttribute" Condition="'$(SourceRevisionId)' != ''">
        <_Parameter1>CommitHash</_Parameter1>
        <_Parameter2>$(SourceRevisionId)</_Parameter2>
      </AssemblyAttributes>
      <AssemblyAttributes Include="System.Reflection.AssemblyMetadataAttribute" Condition="'$(PackageProjectUrl)' != ''">
        <_Parameter1>RepositoryUrl</_Parameter1>
        <_Parameter2>$(PackageProjectUrl)</_Parameter2>
      </AssemblyAttributes>
      <Warning Text="The PackageProjectUrl property was not set." Condition="'$(PackageProjectUrl)' == ''" />

      <!-- Add InternalsVisibleTo for tests -->
      <AssemblyAttributes Include="System.Runtime.CompilerServices.InternalsVisibleTo">
        <_Parameter1>$(ToolkitComponentName).Tests.Uwp</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="System.Runtime.CompilerServices.InternalsVisibleTo">
        <_Parameter1>$(ToolkitComponentName).Tests.WinAppSdk</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="System.Runtime.CompilerServices.InternalsVisibleTo">
        <_Parameter1>CommunityToolkit.Tests.Uwp</_Parameter1>
      </AssemblyAttributes>
      <AssemblyAttributes Include="System.Runtime.CompilerServices.InternalsVisibleTo">
        <_Parameter1>CommunityToolkit.Tests.WinAppSdk</_Parameter1>
      </AssemblyAttributes>
    </ItemGroup>

    <ItemGroup Condition="'@(InternalsVisibleTo)' != ''">
      <!-- Add any declared InternalsVisibleTo in source project, if any-->
      <AssemblyAttributes Include="System.Runtime.CompilerServices.InternalsVisibleTo">
        <_Parameter1>%(InternalsVisibleTo.Identity)</_Parameter1>
      </AssemblyAttributes>
    </ItemGroup>

    <!-- Extra attributes specific to platforms -->
    <ItemGroup Condition="'$(IsWinAppSdk)' == 'true'">
      <AssemblyAttributes Include="System.Runtime.Versioning.TargetPlatformAttribute">
        <_Parameter1>Windows10.0.19041.0</_Parameter1>        <!-- TODO: Grab from variable -->
      </AssemblyAttributes>
      <AssemblyAttributes Include="System.Runtime.Versioning.SupportedOSPlatformAttribute">
        <_Parameter1>Windows10.0.17763.0</_Parameter1>        <!-- TODO: Grab from variable -->
      </AssemblyAttributes>
    </ItemGroup>

    <ItemGroup>
      <Compile Include="$(GeneratedAssemblyInfoPath)" />
    </ItemGroup>

    <!-- Write out new auto-generated AssemblyInfo.g.cs file -->
    <WriteCodeFragment Language="C#" OutputFile="$(GeneratedAssemblyInfoPath)" AssemblyAttributes="@(AssemblyAttributes)" />
  </Target>
</Project>