Function getOptions

lib/internal/fs/utils.js:326–347

(options, defaultOptions = kEmptyObject)

}

function getOptions(options, defaultOptions = kEmptyObject) {
  if (options == null || typeof options === 'function') {
    return defaultOptions;
  }

  if (typeof options === 'string') {
    defaultOptions = { ...defaultOptions };
    defaultOptions.encoding = options;
    options = defaultOptions;
  } else if (typeof options !== 'object') {
    throw new ERR_INVALID_ARG_TYPE('options', ['string', 'Object'], options);
  }

  if (options.encoding !== 'buffer')
    assertEncoding(options.encoding);

  if (options.signal !== undefined) {
    validateAbortSignal(options.signal, 'options.signal');
  }

  return options;
}

/**
 * @param {InternalFSBinding.FSSyncContext} ctx