Private/Metrics/Get-FunctionDefinition.ps1
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Function Get-FunctionDefinition { <# .SYNOPSIS Gets all the function definitions in the specified files. .DESCRIPTION Gets all the function definitions (including private functions but excluding nested functions) in the specified PowerShell file. .PARAMETER Path To specify the path of the file to analyze. .EXAMPLE PS C:\> Get-FunctionDefinition -Path C:\GitRepos\MyModule\MyModule.psd1 Gets all function definitions in the module specified by its manifest, as FunctionDefinitionAst objects. .OUTPUTS System.Management.Automation.Language.FunctionDefinitionAst .NOTES #> [CmdletBinding()] [OutputType([System.Management.Automation.Language.FunctionDefinitionAst[]])] Param ( [Parameter(Position=0, Mandatory, ValueFromPipeline=$True)] [ValidateScript({ Test-Path $_ -PathType Leaf })] [string[]]$Path ) Process { Foreach ( $PowerShellFile in $Path ) { Write-VerboseOutput -Message "Parsing file : $PowerShellFile" $PowerShellFile = (Resolve-Path -Path $PowerShellFile).Path $FileAst = [System.Management.Automation.Language.Parser]::ParseFile($PowerShellFile, [ref]$Null, [ref]$Null) $AstToInclude = [System.Management.Automation.Language.FunctionDefinitionAst] # Excluding class methods, since we don't support classes $AstToExclude = [System.Management.Automation.Language.FunctionMemberAst] $Predicate = { $args[0] -is $AstToInclude -and $args[0].Parent -isnot $AstToExclude } $FileFunctions = $FileAst.FindAll($Predicate, $False) If ( $FileFunctions ) { Foreach ( $FunctionName in $FileFunctions.Name ) { Write-VerboseOutput -Message "Found function : $FunctionName" } } $FileFunctions } } } |