Microsoft.Maui.Templates.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <UsingTask TaskName="ReplaceFileText" TaskFactory="RoslynCodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll">
    <ParameterGroup>
      <InputFilename ParameterType="System.String" Required="true" />
      <OutputFilename ParameterType="System.String" Required="true" />
      <MatchExpression ParameterType="System.String[]" Required="true" />
      <ReplacementText ParameterType="System.String[]" Required="true" />
    </ParameterGroup>
    <Task>
      <Using Namespace="System" />
      <Using Namespace="System.IO" />
      <Using Namespace="System.Text.RegularExpressions" />
      <Code Type="Fragment" Language="cs">
        <![CDATA[
            if (MatchExpression.Length != ReplacementText.Length) throw new Exception("The number of MatchExpression items must match the number of ReplacementText items.");

            for (int i = 0; i < MatchExpression.Length; i++)
            {
                File.WriteAllText(
                    OutputFilename,
                    Regex.Replace(File.ReadAllText(InputFilename), MatchExpression[i], ReplacementText[i])
                    );
                //Console.WriteLine($"Processing file '{InputFilename}' --> '{OutputFilename}', replacing match '{MatchExpression[i]}' with text '{ReplacementText[i]}'.");
            }
          ]]>
      </Code>
    </Task>
  </UsingTask>

  <PropertyGroup>
    <TargetFramework>$(_MauiDotNetTfm)</TargetFramework>
    <PackageType>Template</PackageType>
    <PackageId>Microsoft.Maui.Templates-$(_MauiDotNetVersion)</PackageId>
    <Title>.NET MAUI Templates</Title>
    <Authors>Microsoft</Authors>
    <Description>Templates for .NET MAUI.</Description>
    <SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
    <IncludeContentInPack>true</IncludeContentInPack>
    <IncludeBuildOutput>false</IncludeBuildOutput>
    <LocalizeTemplates>true</LocalizeTemplates>
    <IncludeSymbols>false</IncludeSymbols>
    <ContentTargetFolders>content</ContentTargetFolders>
    <!-- This project has no .NET assemblies, so disable the warning for that -->
    <NoWarn>$(NoWarn);NU5128</NoWarn>
  </PropertyGroup>

  <ItemGroup>
    <TemplateJsonInput Include="templates\*\.template.config\**\*.json">
      <PackageDestination>$([System.String]::Concat(%(RelativeDir), '%(Filename)%(Extension)'))</PackageDestination>
      <IntermediateLocation>$(IntermediateOutputPath)$([System.String]::Concat(%(RelativeDir), '%(Filename)%(Extension)'))</IntermediateLocation>
    </TemplateJsonInput>
    <Content Include="templates\**\*" Exclude="templates\**\bin\**;templates\**\obj\**;@(TemplateJsonInput)" />
    <Compile Remove="**\*" />
  </ItemGroup>

  <PropertyGroup>
    <BeforePack>_UpdateTemplateVersions</BeforePack>
  </PropertyGroup>

  <Target Name="_UpdateTemplateVersions" DependsOnTargets="SetVersions;LocalizeTemplatesAfterBuild"
      Inputs="@(TemplateJsonInput)"
      Outputs="%(TemplateJsonInput.IntermediateLocation)">

     <!-- Copy files to their output name -->
    <Copy
        SourceFiles="%(TemplateJsonInput.Fullpath)"
        DestinationFiles="%(TemplateJsonInput.IntermediateLocation)" />

     <!-- Copy the templatestrings.en.json to templatestrings.json -->
    <Copy
        SourceFiles="%(TemplateJsonInput.Fullpath)"
        DestinationFiles="%(TemplateJsonInput.RelativeDir)templatestrings.json"
        Condition="'%(TemplateJsonInput.Filename)%(TemplateJsonInput.Extension)' == 'templatestrings.en.json'" />

    <!-- Replace .NET TFM versions -->
    <ReplaceFileText
        InputFilename="%(TemplateJsonInput.IntermediateLocation)"
        OutputFilename="%(TemplateJsonInput.IntermediateLocation)"
        MatchExpression="DOTNET_TFM_VALUE;DOTNET_TFM_VERSION_VALUE;DOTNET_TFM_VERSION_MAJOR_VALUE;MS_EXT_VERSION_VALUE"
        ReplacementText="$(_MauiDotNetTfm);$(_MauiDotNetVersion);$(_MauiDotNetVersionMajor)000;$(MicrosoftExtensionsPackageVersion)" />

    <ItemGroup>
      <FileWrites Include="%(TemplateJsonInput.IntermediateLocation)" />
      <Content Include="%(TemplateJsonInput.IntermediateLocation)" PackagePath="$(ContentTargetFolders)\%(TemplateJsonInput.PackageDestination)" Pack="true" />
    </ItemGroup>

  </Target>

  <Target Name="_CopyToTemplatePacks" AfterTargets="Pack">
    <ItemGroup>
      <_PackagesToCopy Include="$(PackageOutputPath)/$(PackageId).*.nupkg" />
    </ItemGroup>
    <Copy
        SourceFiles="@(_PackagesToCopy)"
        DestinationFolder="$(DotNetTemplatePacksDirectory)"
        SkipUnchangedFiles="true"
    />
  </Target>

  <ItemGroup Condition=" '$(OS)' == 'Windows_NT' ">
    <PackageReference Include="Microsoft.TemplateEngine.Tasks" Version="$(MicrosoftTemplateEngineTasksVersion)" PrivateAssets="all" IsImplicitlyDefined="true" />
  </ItemGroup>

  <!-- this target will get replaced by the nuget -->
  <Target Name="LocalizeTemplatesAfterBuild" />

</Project>