Polling

poll.js

// https://levelup.gitconnected.com/polling-in-javascript-ab2d6378705a
 
export default const poll = ({ fn, validate, interval, maxAttempts }) => {
  console.log('Start poll...');
  let attempts = 0;

  const executePoll = async (resolve, reject) => {
    console.log('- poll');
    const result = await fn();
    attempts++;

    if (validate(result)) {
      return resolve(result);
    } else if (maxAttempts && attempts === maxAttempts) {
      return reject(new Error('Exceeded max attempts'));
    } else {
      setTimeout(executePoll, interval, resolve, reject);
    }
  };

  return new Promise(executePoll);
};

https://levelup.gitconnected.com/polling-in-javascript-ab2d6378705a