Get-BoundParameters.ps1

function Get-BoundParameters {
    <#
    .DESCRIPTION
    Get-BoundParameters is a helper function that returns a hashtable of the bound parameters of the calling function.
    difference between $PSBoundParameters is that it gets default value from param block as well.

    .PARAMETER IncludeCommon
    include the common parameters

    .PARAMETER IncludeFrame
    include all variables in the calling scope.

    #>
    [OutputType([hashtable])]
    [CmdletBinding()]
    param(
        [Switch] $IncludeCommon,
        [Switch] $IncludeFrame
    )
    $Callstack = (Get-PSCallStack)[1]
    $FrameVariables = $Callstack.GetFrameVariables()
    if ($IncludeFrame) {
        return [hashtable]::new($FrameVariables)
    }
    $MyPSBoundParameters = @{}
    $Parameters = $Callstack.InvocationInfo.MyCommand.Parameters
    if ($Parameters.Count -eq 0) {
        return $MyPSBoundParameters
    }
    $BoundParameters = $Callstack.InvocationInfo.BoundParameters
    $Parameters.GetEnumerator() | ForEach-Object {
        if ($IncludeCommon -And $BoundParameters.ContainsKey($_.key)) {
            $MyPSBoundParameters[$_.Key] = $BoundParameters[$_.Key]
            return
        }
        if ($FrameVariables.ContainsKey($_.Key)) {
            $MyPSBoundParameters[$_.Key] = $FrameVariables[$_.Key].Value
        }
    }
    $MyPSBoundParameters
}