Powershell Stop on error and silence warnings

InvokeCall.ps1

function Invoke-Call {
    param (
        [scriptblock]$ScriptBlock,
        [string]$ErrorAction = $ErrorActionPreference,
        [string]$WarningAction = $WarningPreference
    )
    $WarningPreference = $WarningAction
    & @ScriptBlock
    if (($lastexitcode -ne 0) -and $ErrorAction -eq "Stop") {
        exit $lastexitcode
    }
}

Invoke-Call -ScriptBlock {
    Write-Warning 'foo'
    Write-Warning 'bar'
    Write-Output 'test'
} -ErrorAction Stop -WarningAction SilentlyContinue