functions/helpers/Add-PackageTypes.ps1

function Add-PackageTypes {
    param(
        [Parameter(Mandatory = $true)]
        [string]$LibsDirectory
    )

    process {
        $exceptions = @()
        foreach ($path in (Get-ChildItem $LibsDirectory | Where-Object { $_.Name -like '*.dll' } | Select-Object -ExpandProperty FullName)) {
            try
            {
                Add-Type -Path $path
            }
            catch [System.Reflection.ReflectionTypeLoadException]
            {
                $ex = $_.Exception
                Write-Host $ex.Message -ForegroundColor Yellow
                Write-Host $ex.StackTrace -ForegroundColor DarkYellow

                if($null -ne $ex.LoaderExceptions) { 
                    foreach($loaderEx in $ex.LoaderExceptions) { 
                        Write-Host "LoaderException: $loaderEx" -ForegroundColor Cyan
                    }
                }

                $exceptions += $ex
            }
        }

        if($exceptions.Length -gt 0){
            throw (New-Object -TypeName System.AggregateException -ArgumentList $exceptions)
        }
    }
}