Last active
August 12, 2022 17:24
-
-
Save ninmonkey/200b9449edc5b6036c53b72790f51620 to your computer and use it in GitHub Desktop.
Formatting nulls and blanks
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $Color = @{ | |
| Bright_Text = @( | |
| $PSStyle.background.FromRgb(220, 220, 220) | |
| $PSStyle.foreground.FromRgb(40, 40, 40) | |
| ) -join '' | |
| Dim_Text = @( | |
| # $PSStyle.background.FromRgb(170, 170, 170) | |
| $PSStyle.foreground.FromRgb(120, 120, 120) | |
| ) -join '' | |
| Reset = $PSStyle.Reset | |
| } | |
| function wrapStr { | |
| [OutputType('String')] | |
| param( | |
| $Color, | |
| $Text, | |
| $strPrefix = '<', | |
| $strSuffix = '>' | |
| ) | |
| return @( | |
| $Color | |
| $StrPrefix | |
| '{0}' -f $Text | |
| $StrSuffix | |
| $Color.Reset | |
| ) -join '' | |
| } | |
| function Format-NullText { | |
| param( | |
| [AllowNull()] | |
| [Parameter(Mandatory, ValueFromPipeline)] | |
| $InputText) | |
| begin {} | |
| process { | |
| if ($InputText.Count -eq 0 -and $InputText -is 'array') { | |
| wrapStr $Color.Dim_Text '@()' | |
| } | |
| if ($null -eq $InputText) { | |
| wrapStr $Color.Dim_Text '␀' | |
| return | |
| } | |
| if ($InputText -is 'string' -and $InputText.Length -eq 0) { | |
| wrapStr $Color.Dim_Text 'Str Empty' | |
| return | |
| } | |
| if ([string]::IsNullOrWhiteSpace($InputText)) { | |
| wrapStr $Color.Dim_Text 'Blank' | |
| return | |
| } | |
| return $InputText # actually returns [object] | |
| } | |
| } | |
| @( | |
| [list[object]]::new() | |
| $l | |
| [list[object]]$l = 'a'..'e' | |
| $l | |
| '' | |
| ' ' | |
| $Null | |
| , @() | |
| @() | |
| @($Null) | |
| , @($Null) | |
| ) | |
| | Format-NullText | |
| @( | |
| [list[object]]::new() | |
| $l | |
| [list[object]]$l = 'a'..'e' | |
| $l | |
| ) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment