Function commandHasArg

src/utils/powershell/parser.ts:1608–1614

(
  command: ParsedCommandElement,
  arg: string,
)

 * Useful for checking "-EncodedCommand", "-Recurse", etc.
 */
export function commandHasArg(
  command: ParsedCommandElement,
  arg: string,
): boolean {
  const lowerArg = arg.toLowerCase()
  return command.args.some(a => a.toLowerCase() === lowerArg)
}

/**
 * Tokenizer-level dash characters that PowerShell's parser accepts as