vendors/execa.js/normalizeSignal
var normalizeSignal = function({
  name,
  number: defaultNumber,
  description,
  action,
  forced = false,
  standard
}) {
  const {
    signals: { [name]: constantSignal }
  } = import_os.constants;
  const supported = constantSignal !== void 0;
  const number = supported ? constantSignal : defaultNumber;
  return { name, number, description, supported, action, forced, standard };
};