public/Get-PSJetInstallerProperty.ps1
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<# .SYNOPSIS Retrieves a property value from the CretPosh Installer state. .DESCRIPTION The `Get-CretPoshInstallerProperty` function retrieves a property value from the CretPosh Installer state. If the property does not exist, a warning is issued and $null is returned. .PARAMETER Name Specifies the name of the property to be retrieved. .EXAMPLE $installationDate = Get-CretPoshInstallerProperty -Name "InstallationDate" Description ----------- Retrieves the value of the `InstallationDate` property and stores it in the `$installationDate` variable. .NOTES Ensure that you handle potential $null values in your implementation logic when retrieving properties that may not exist. #> function Get-CretPoshInstallerProperty { param ( [Parameter(Mandatory=$true)] [string]$Name ) # Get state $state = Get-CretPoshInstallerState # Return the property value or $null if it doesn't exist if ($state.PSObject.Properties.Name -contains $Name) { return $state.$Name } else { Write-Warning "Property [$Name] does not exist in the state." return $null } } |