Async refactor

'use strict';

const API_EXCHANGE = {
  host: 'openexchangerates.org',
  path: 'api/latest.json?app_id=',
  key: '1f43ea96b1e343fe94333dd2b97a109d',
};

const DEFAULT_RETRY = 3;

const promiseRetry = async (promiseFactory, retry = DEFAULT_RETRY) => {
  console.log({ retry });
  const promise = promiseFactory();
  try {
    const res = await promise;
    return res;
  }
  catch {
    const attemptsLeft = retry - 1;
    if (attemptsLeft > 0)
      return promiseRetry(promiseFactory, attemptsLeft);
    throw new Error('Can not get data');
  }
}

const tryFetch = async (url, options) => {
  const resp = await fetch(url, options);
  if (!resp.ok)
    throw new Error('ok is false');
  return await resp.json();
}

const getRate = async (currency) => {
  // console.log({ currency, retry });
  const { host, path, key } = API_EXCHANGE;
  const url = `https://${host}/${path}${key}`;
  const data = await tryFetch(url);
  const rate = data.rates[currency];
  return rate;
};

const getTime = async () => {
  const url = 'http://worldtimeapi.org/api/timezone/Europe/Kyiv';
  const data = await tryFetch(url);
  const { datetime } = data;
  return new Date(datetime);
}

const main = async () => {
  try {
    const rate = await promiseRetry(() => getRate('UAH'));
    console.log({ rate });
    // const time = await promiseRetry(() => getTime());
    // console.log({ time });
  } catch (err) {
    console.error({ err });
  }
};

main();