$aliases = @(
    'Invoke-WebRequest',
    'iwr',
    'curl',
    'wget'
)

Get-ChildItem -Path .\ -Recurse -Include *.ps1,*.psm1 -File | ForEach-Object {

    $file = $_.FullName
    $errors = $null

    $ast = [System.Management.Automation.Language.Parser]::ParseFile(
        $file, [ref]$null, [ref]$errors
    )
    if ($errors) { return }  

    $ast.FindAll(
        {
            param($node)

            if (-not ($node -is [System.Management.Automation.Language.CommandAst])) {
                return $false
            }

            $cmdName = $node.GetCommandName()
            if (-not $cmdName) { return $false }

            if ($aliases -notcontains $cmdName) {
                return $false
            }

            $params = $node.CommandElements |
                Where-Object { $_ -is [System.Management.Automation.Language.CommandParameterAst] }

            $hasOutFile = $params | Where-Object { $_.ParameterName -ieq 'OutFile' }
            $hasBasic   = $params | Where-Object { $_.ParameterName -ieq 'UseBasicParsing' }

            return (-not $hasOutFile) -and (-not $hasBasic)
        },
        $true
    ) | ForEach-Object {
        [pscustomobject]@{
            Path       = $file
            LineNumber = $_.Extent.StartLineNumber
            Command    = $_.Extent.Text.Trim()
            CommandName= $cmdName
        }
    }
}