promisepool.js

import PromisePool from '@supercharge/promise-pool'
import fetch from 'node-fetch'

usersList = ['user1', 'user2', ...'usern']
const { results, errors } = await PromisePool.withConcurrency(10)
  .for(usersList)
  .process(async (user) => {
    const url = 'https://api.github.com/users/' + user
    fetch(url, {
      method: 'GET',
      headers: {},
    }).then((response) => resolve([response.status, user]))
    return [response.status, user]
  })

results.forEach((element) => {
  const statusCode = element[0]
  const url = element[1]
  if (statusCode != 200) {
    console.log('Status code ' + statusCode + ' for url ' + url)
  }
})