Retrieve all URI associations for apps from the registry

GetPackageUrlAssociations.ps1

if (!(Test-Path "hkcr:\")) {
    New-PSDrive -PSProvider registry -Root HKEY_CLASSES_ROOT -Name HKCR -ErrorAction Stop | Out-Null
}

$rootKey = "HKCR:\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Repository\Packages"
$associationsParent = "App\Capabilities\URLAssociations"

$output = 
    foreach ($child in (Get-ChildItem -Path $rootKey)) {
        try {
            $reg = Get-Item "$($child.Name.Replace("HKEY_CLASSES_ROOT", "HKCR:"))\$associationsParent" -ErrorAction Stop
            $packageDisplayName = Get-ItemProperty -Path "$($child.Name.Replace("HKEY_CLASSES_ROOT", "HKCR:"))" -Name "DisplayName" -ErrorAction Stop | Select-Object -ExpandProperty DisplayName
            Get-ItemProperty $reg.Name.Replace("HKEY_CLASSES_ROOT", "HKCR:") | 
                Get-Member -ErrorAction Stop | 
                Select-Object -ExpandProperty Name | 
                Where-Object {$_ -notin "Equals", "GetHashCode", "GetType", "ToString", "PSChildName", "PSDrive", "PSParentPath", "PSPath", "PSProvider"} |
                Select-Object @{Name = "Package"; Expression = { $child.Name.Substring($child.Name.LastIndexOf("\") + 1, $child.Name.Length - $child.Name.LastIndexOf("\") - 1) }}, 
                    @{Name = "DisplayName"; Expression = { $packageDisplayName }},
                    @{Name = "Uri"; Expression = { $_ }}
        }
        catch {
            # silence the error
            $reg = $null
            $packageDisplayName = ""
        }
    }

$output | Format-List