JAVASCRIPT

javascript node retry promise.all

function retry(fn, retries=3, err=null) {
  if (!retries) {
    return Promise.reject(err);
  }
  return fn().catch(err => {
      return retry(fn, (retries - 1), err);
    });
}

node javascript retry promise.all

const axios = require('axios');
  const axiosRetry = require('axios-retry');

  axiosRetry(axios, {
    retries: 3, // number of retries
    retryDelay: (retryCount) => {
      console.log(`retry attempt: ${retryCount}`);
      return retryCount * 2000; // time interval between retries
    },
    retryCondition: (error) => {
      // if retry condition is not specified, by default idempotent requests are retried
      return error.response.status === 503;
    },
  });

  const response = await axios({
    method: 'GET',
    url: 'https://httpstat.us/503',
  }).catch((err) => {
    if (err.response.status !== 200) {
      throw new Error(`API call failed with status code: ${err.response.status} after 3 retry attempts`);
    }
  });