Get followers by do-while

follower-do-while.js

const main = async() => {
  let result = {}
  let next = ''
  const valueArray = []
  let round = 0

  do {
    result = await getFollowerIds(next)
    for (const userId of result.userIds) {
      valueArray.push(userId)
    }
    next = result.next
    round++
  }
  while (result.next)

  console.log('Round: ' + round)
  console.log(valueArray.length)
}