Discussion on: Javascript fetch, retry upon failure.

  const fetchWithRetry = (url) => {
    return new Promise((resolve, reject) => {
      let attempts = 1;
      const fetch_retry = (url, n) => {
        return fetch(url).then(resolve).catch(function (error) {
        if (n === 1) reject(error)
        else
        setTimeout(() => {
          attempts ++
          fetch_retry(url, n - 1);
        }, attempts * 3000)
      });
    }
      return fetch_retry(url, 5);
    });
  }