Fetch with Retry

async function fetchRetry(url, tries = 3) {

  for (let i = 0; i < tries; i++) {

    try {

      const res = await fetch(url);

      if (res.ok) return res.json();

      throw new Error(`HTTP ${res.status}`);

    } catch (err) {

      if (i === tries - 1) throw err;

      await new Promise((r) => setTimeout(r, 2 ** i * 100));