Retry.js

// retry promises after n times

async function retry(asyncFn, retries, delay, finalError) {
  if (retries === 0) {
    return Promise.reject(finalError);
  } else {
    try {
      const val = await asyncFn();
      return val;
    } catch {
      console.log("Retrying...", retries, "attempts left");
      await new Promise((resolve) => setTimeout(resolve, delay));
      return retry(asyncFn, retries - 1, delay, finalError);
    }
  }
}

function asycnFunction() {
  return new Promise((_, reject) => {
    reject("Error message");
  });
}

const result = retry(asycnFunction, 3, 1000, "bye bye");

result.then().catch((val) => {
  console.log(val);
});