Find-Software.ps1

function Find-Software {
    [CmdletBinding()]
    param (
        <#
            The name, or part of a name, of a package.

            Should be enough to get a unique match or the results will get really messy.
        #>
        [Parameter(Mandatory)]
        [Alias('Name')]
        [string[]]
        $PackageName,

        <#
            One or more computer names.
        #>
        [Parameter(ValueFromPipeline, ValueFromPipelineByPropertyName)]
        [string[]]
        $ComputerName = $env:COMPUTERNAME,

        <#
            See Get-Help Invoke-Command.
        #>
        [Parameter()]
        [int]
        $ThrottleLimit,

        <#
            See Get-Help New-PSSessionOption.
        #>
        [Parameter()]
        [Timespan]
        $OpenTimeout,

        <#
            See Get-Help New-PSSessionOption.
        #>
        [Parameter()]
        [Timespan]
        $OperationTimeout,

        <#
            See Get-Help Invoke-Command.
        #>
        [Parameter()]
        [switch]
        $EnableNetworkAccess
    )

    begin {
        $allComputers = [System.Collections.Generic.HashSet[string]]::new([StringComparer]::OrdinalIgnoreCase)
    }

    process {
        foreach ($name in $ComputerName) {
            $null = $allComputers.Add($name)
        }
    }

    end {
        $invokeSplat = @{
            ComputerName     = $allComputers
            HideComputerName = $true
        }
        if ($ThrottleLimit) {
            $invokeSplat['ThrottleLimit'] = $ThrottleLimit
        }
        if ($EnableNetworkAccess) {
            $invokeSplat['EnableNetworkAccess'] = $true
        }

        $optionSplat = @{}
        if ($OpenTimeout) {
            $optionSplat['OpenTimeout'] = $OpenTimeout
        }
        if ($OperationTimeout) {
            $optionSplat['OperationTimeout'] = $OperationTimeout
        }
        if ($splat.Count) {
            $invokeSplat['SessionOption'] = New-PSSessionOption @optionSplat
        }

        $namePattern = $PackageName.ForEach{ [Regex]::Escape($_) } -join '|'

        Invoke-Command @invokeSplat -ScriptBlock {
            $output = [Ordered]@{
                ComputerName = $env:COMPUTERNAME
            }
            foreach ($name in $using:PackageName) {
                $output[$name] = 'Not detected'
            }

            Get-ItemProperty -Path @(
                'HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*'
                'HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
            ) | Where-Object DisplayName -match $using:namePattern | ForEach-Object {
                $output[$matches[0]] = $_.DisplayVersion
            }
            
            [PSCustomObject]$output
        } | Select-Object * -ExcludeProperty RunspaceId
    }
}

Find-Software chrome, firefox -EnableNetworkAccess