ValidateNotNullOrWhiteSpaceAttribute.ps1
if ($PSVersionTable.PSVersion.Major -lt 7 -or ($PSVersionTable.PSVersion.Major -eq 7 -and $PSVersionTable.PSVersion.Minor -lt 4)) { class ValidateNotNullOrWhiteSpaceAttribute : System.Management.Automation.ValidateEnumeratedArgumentsAttribute { [void] ValidateElement($element) { if (-not ($element -is [string]) -and -not ($element -is [string[]])) { throw [System.Management.Automation.ParameterBindingException]::New($element) } $element | % { if ([string]::IsNullOrWhiteSpace($element)) { throw [System.Management.Automation.ParameterBindingException]::New("Can not contain an empty or whitespace value") } } } } } |