Extract a list of functions names and definitions inside a script, listing line numbers function begin and end;

FindFunctionsInScript.ps1

    [CmdletBinding()]
       param(
            # The script or file path to parse
            [Parameter(Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName)]
            [Alias("Path", "PSPath")]
            $Script
        )
        process {
            Write-Progress "Parsing $Script"
            Write-Debug "    ENTER: Get-ParseResults $Script"
            $ParseErrors = $null
            $Tokens = $null
            if ($Script | Test-Path -ErrorAction SilentlyContinue) {
                Write-Debug "      Parse $Script as Path"
                $AST = [System.Management.Automation.Language.Parser]::ParseFile(($Script | Convert-Path), [ref]$Tokens, [ref]$ParseErrors)
            } elseif ($Script -is [System.Management.Automation.FunctionInfo]) {
                Write-Debug "      Parse $Script as Function"
                $String = "function $($Script.Name) { $($Script.Definition) }"
                $AST = [System.Management.Automation.Language.Parser]::ParseInput($String, [ref]$Tokens, [ref]$ParseErrors)
            } else {
                Write-Debug "      Parse $Script as String"
                $AST = [System.Management.Automation.Language.Parser]::ParseInput([String]$Script, [ref]$Tokens, [ref]$ParseErrors)
            }
       

    #find all returns each node matching criteria, as [System.Management.Automation.Language.CommandAst]
    $searchNestedScriptBlocks = $true
    $AST.FindAll({$args[0].GetType().Name -like 'FunctionDefinitionAst'}, $searchNestedScriptBlocks) |
    ForEach-Object {
    [pscustomobject]@{
        Name = $_.name
        Parameters = $_.Parameters
        #body = $_.Body
        StartLine = $_.extent.StartLineNumber
        EndLine = $_.extent.EndLineNumber
        extent = $_.extent.text
      
    }
    } | Sort-Object name 
    #| Group-Object name,parameters -AsHashTable -AsString ; $q.Values.Extent


    
}

identifyCodeBlocks.ps1

#Use the Abstract Syntax Tree (AST) to inspect PowerShell command syntax in scripts source : https://mikefrobbins.com/2022/04/08/use-the-abstract-syntax-tree-ast-to-inspect-powershell-command-syntax-in-scripts/
$file = 'C:\Users\crbk01\Documents\PowerShell\dependensies.psm1'           
$AST = [System.Management.Automation.Language.Parser]::ParseFile($File, [ref]$null, [ref]$null)

#find all returns each node matching criteria, as [System.Management.Automation.Language.CommandAst]
$searchNestedScriptBlocks = $false
$AST.FindAll({$args[0].GetType().Name -like 'CommandAst'}, $searchNestedScriptBlocks) |
ForEach-Object {
    [pscustomobject]@{
        Cmdlet = $_.CommandElements[0].Value
        Parameters = $_.CommandElements.ParameterName
        Other = $_.CommandElements
        #Other2 = $_.Parent
        otherq = $_.extent
        File = $file
    }
}