Function getIntOption

lib/internal/crypto/sig.js:122–131

(name, options)

}

function getIntOption(name, options) {
  const value = options[name];
  if (value !== undefined) {
    if (value === value >> 0) {
      return value;
    }
    throw new ERR_INVALID_ARG_VALUE(`options.${name}`, value);
  }
  return undefined;
}

Sign.prototype.sign = function sign(privateKey, encoding) {
  if (!privateKey)