modules/Utilities/private/Get-FunctionFromFile.ps1
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# Copyright (c) Microsoft Corporation. # Licensed under the MIT License. function Get-FunctionFromFile { <# .SYNOPSIS Enumerates a ps1 file to identify the functions defined within #> [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.IO.FileInfo]$FilePath, [Parameter(Mandatory = $true)] [System.String]$Verb ) try { # get the raw content of the script $code = Get-Content -Path $FilePath.FullName -Raw # list all the functions in ps1 using language namespace parser $functionName = [Management.Automation.Language.Parser]::ParseInput($code, [ref]$null, [ref]$null).EndBlock.Statements.FindAll([Func[Management.Automation.Language.Ast,bool]]{$args[0] -is [Management.Automation.Language.FunctionDefinitionAst]}, $false) ` | Select-Object -ExpandProperty Name if($functionName){ return ($functionName | Where-Object {$_ -like "$Verb-*"}) } else { return $null } } catch { "{0}`n{1}" -f $_.Exception, $_.ScriptStackTrace | Trace-Output -Level:Error } } |