returns {Promise<string> | string | undefined} only works when enabled
 */
function defaultGetFormatWithoutErrors(url, context) {
  const parsed = new URL(url);
  if (!ObjectPrototypeHasOwnProperty(protocolHandlers, parsed.protocol))
    return null;
  return protocolHandlers[parsed.protocol](parsed, context, true);
}

/**
 * @param {URL | URL['href']} url
 * @param {{parentURL: string}} context
 * @returns {Promise<string> | string | undefined} only works when enabled
 */
function defaultGetFormat(url, context) {
  const parsed = new URL(url);
  return ObjectPrototypeHasOwnProperty(protocolHandlers, parsed.protocol) ?
    protocolHandlers[parsed.protocol](parsed, context, false) :
    null;
}

module.exports = {
  defaultGetFormat,
  defaultGetFormatWithoutErrors,
  extensionFormatMap,
};