tasks/Generate_External_Help_File_For_Public_Commands.build.ps1
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<#
.SYNOPSIS This is a build task that generates an external help file for a module. .PARAMETER ProjectPath The root path to the project. Defaults to $BuildRoot. .PARAMETER OutputDirectory The base directory of all output. Defaults to folder 'output' relative to the $BuildRoot. .PARAMETER BuiltModuleSubdirectory Sub folder where you want to build the Module to (instead of $OutputDirectory/$ModuleName). This is especially useful when you want to build DSC Resources, but you don't want the `Get-DscResource` command to find several instances of the same DSC Resources because of the overlapping $Env:PSmodulePath (`$buildRoot/output` for the built module and `$buildRoot/output/RequiredModules`). In most cases I would recommend against setting $BuiltModuleSubdirectory. .PARAMETER VersionedOutputDirectory Whether the Module is built with its versioned Subdirectory, as you would see it on a System. For instance, if VersionedOutputDirectory is $true, the built module's ModuleBase would be: `output/MyModuleName/2.0.1/` .PARAMETER ProjectName The project name. Defaults to the empty string. .PARAMETER SourcePath The path to the source folder name. Defaults to the empty string. .PARAMETER DocOutputFolder The path to the where the markdown documentation is found. Defaults to the folder `./output/WikiContent`. .PARAMETER HelpCultureInfo Specifies the culture that documentation is generated for. Defaults to 'en-US'. .PARAMETER BuildInfo The build info object from ModuleBuilder. Defaults to an empty hashtable. .NOTES This is a build task that is primarily meant to be run by Invoke-Build but wrapped by the Sampler project's build.ps1 (https://github.com/gaelcolas/Sampler). #> param ( [Parameter()] [System.String] $ProjectPath = (property ProjectPath $BuildRoot), [Parameter()] [System.String] $OutputDirectory = (property OutputDirectory (Join-Path $BuildRoot 'output')), [Parameter()] [System.String] $BuiltModuleSubdirectory = (property BuiltModuleSubdirectory ''), [Parameter()] [System.Management.Automation.SwitchParameter] $VersionedOutputDirectory = (property VersionedOutputDirectory $true), [Parameter()] [System.String] $ProjectName = (property ProjectName ''), [Parameter()] [System.String] $SourcePath = (property SourcePath ''), [Parameter()] [System.String] $DocOutputFolder = (property DocOutputFolder 'WikiContent'), [Parameter()] [System.Globalization.CultureInfo] $HelpCultureInfo = (property HelpCultureInfo 'en-US'), [Parameter()] [System.Collections.Hashtable] $BuildInfo = (property BuildInfo @{ }) ) # Synopsis: Generate external help file for the public commands from the built module. Task Generate_External_Help_File_For_Public_Commands { if (-not (Get-Module -Name 'PlatyPS' -ListAvailable)) { throw 'PlatyPS is not installed. Please make sure it is available in a path that is listed in $PSModulePath. It can be added to the configuration file RequiredModules.psd1 in the project.' } # Get the values for task variables, see https://github.com/gaelcolas/Sampler#task-variables. . Set-SamplerTaskVariable $DocOutputFolder = Get-SamplerAbsolutePath -Path $DocOutputFolder -RelativeTo $OutputDirectory $builtModuleLocalePath = $BuiltModuleBase | Join-Path -ChildPath $HelpCultureInfo.Name "`tDocs output folder path = '$DocOutputFolder'" "`tBuilt Module Locale Path = '$builtModuleLocalePath'" "" $generateMarkdownScript = @" `$env:PSModulePath = '$env:PSModulePath' # Generate the help file New-ExternalHelp -Path '$DocOutputFolder' -OutputPath '$builtModuleLocalePath' -Force "@ Write-Build -Color DarkGray -Text $generateMarkdownScript $generateMarkdownScriptBlock = [ScriptBlock]::Create($generateMarkdownScript) $pwshPath = (Get-Process -Id $PID).Path <# The scriptblock is run in a separate process to avoid conflicts with other modules that are loaded in the current process. #> & $pwshPath -Command $generateMarkdownScriptBlock -ExecutionPolicy 'ByPass' -NoProfile # Add a newline to the end of the help file to pass HQRM tests. Add-NewLine -FileInfo (Get-Item -Path "$builtModuleLocalePath/$ProjectName-help.xml") -AtEndOfFile } |