Export-Demo.ps1
|
function Export-Demo { <# .SYNOPSIS Exports Demos .DESCRIPTION Exports a Demo. Demos can be saved to a Markdown (.md) file or a Clixml (.clixml/.clix)file .EXAMPLE Export-Demo -DemoPath .\demo.ps1 -OutputPath .\demo.md #> param( # The path to the demo file. [Parameter(Mandatory, ValueFromPipelineByPropertyName, ParameterSetName='DemoFile')] [Alias('FullName', 'DemoFile', 'File', 'Source')] $DemoPath, # The output path. This is the location the demo will be saved to. [Parameter(Mandatory,ValueFromPipelineByPropertyName)] [ValidatePattern('\.(?>clixml|clix|md)$')] [Alias('OutputFile')] [string] $OutputPath ) begin { $extensionPattern = '\.(?>ps1|clixml|clix|md|html)$' # In order to make Markdown demos render correctly, we need to override Write-Host # (in case the demo Writes to the host) function Write-Host { <# .ForwardHelpTargetName Write-Host .ForwardHelpCategory Cmdlet #> [CmdletBinding()] [OutputType([Nullable])] param( [Parameter(Position=0, ValueFromPipeline=$true, ValueFromRemainingArguments=$true)] [System.Object] ${Object}, [Switch] ${NoNewline}, [System.Object] ${Separator}, [System.ConsoleColor] ${ForegroundColor}, [System.ConsoleColor] ${BackgroundColor} ) process { #region Override Write-Host for inside of the demo if ($demo) { # Write as HTML $objectHtml = $Object $styleChunk = if ($ForegroundColor -or $backgroundColor) { if ($ForegroundColor -and $backgroundcolor) { " style='color:${ForeGroundColor};background=${BackgroundColor}'" } else { if ($ForegroundColor) { " style='color:${ForeGroundColor}'" } else { " style='background=${BackgroundColor}'" } } } else { "" } $tag = "span" "<${tag}${styleChunk}>${ObjectHtml}</${tag}>$(if (-not $NoNewLine) {'<br/>'})" } else { # If we're not in a web site... Microsoft.PowerShell.Utility\Write-Host @psboundParameters } #endregion Override Write-Host for web context } } } process { $demoContents = Get-Demo -File $DemoPath if (-not $demoContents) { return } if ($OutputPath -notmatch $extensionPattern) { Write-Error "Invalid Extension" return } $extension = $matches.0 $unresolvedOutput = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($OutputPath) if ($extension -in '.clixml', '.clix') { Export-Clixml -LiteralPath $unresolvedOutput -InputObject $demoContents Get-Item -LiteralPath $unresolvedOutput | Add-Member NoteProperty SourceFile $demoContents.DemoFile -Force -PassThru } elseif ($extension -eq '.md') { $demoContents | Add-Member NoteProperty Markdown $true -Force $demoContents | Add-Member NoteProperty Interactive $false -Force $demoContents | Format-Custom | Out-String -Width 1mb | Set-Content -LiteralPath $unresolvedOutput -Encoding UTF8 Get-Item -LiteralPath $unresolvedOutput | Add-Member NoteProperty SourceFile $demoContents.DemoFile -Force -PassThru } } } |