Microsoft.Common.CurrentVersion.targets with a DSL

Microsoft.Common.CurrentVersion.js

/***********************************************************************************************
Microsoft.Common.CurrentVersion.targets
WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
          created a backup copy.  Incorrect changes to this file will make it
          impossible to load or build your projects from the command-line or the IDE.
This file defines the steps in the standard build process for .NET projects.  It
contains all the steps that are common among the different .NET languages, such as
Visual Basic, and Visual C#.
Copyright (C) Microsoft Corporation. All rights reserved.
***********************************************************************************************/

project {default_targets:"build", initial_targets:"_CheckForInvalidConfigurationAndPlatform", treat_as_local_property:"OutDir"}

  if !MicrosoftCommonPropsHasBeenImported && file.exist('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')
     import "$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props"
  end

  ImportByWildcardBeforeMicrosoftCommonTargets = ImportByWildcardBeforeMicrosoftCommonTargets ?? true
  ImportByWildcardAfterMicrosoftCommonTargets = ImportByWildcardAfterMicrosoftCommonTargets ?? true
  ImportUserLocationsByWildcardBeforeMicrosoftCommonTargets = ImportUserLocationsByWildcardBeforeMicrosoftCommonTargets ?? true
  ImportUserLocationsByWildcardAfterMicrosoftCommonTargets = ImportUserLocationsByWildcardAfterMicrosoftCommonTargets ?? true
  
  if ImportUserLocationsByWildcardBeforeMicrosoftCommonTargets && file.exist("$(MSBuildUserExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.targets\ImportBefore")
     import "$(MSBuildUserExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.targets\ImportBefore\*"
  end
  
  if ImportByWildcardBeforeMicrosoftCommonTargets && file.exist("$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.targets\ImportBefore")
     import "$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.targets\ImportBefore\*"
  end
  [...]