cron4.js

async function * retryQuery () {
  // calculate current day and pass it to query
  const daysOfWeek = ['sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday']
  const currentDay = new Date().getDay()
  const dayName = daysOfWeek[currentDay]
  let result = await getRemindersForDay(dayName)
  // if LastEvaluatedKey is found, query again, and again and again
  // it means the response is paginated
  while (result.LastEvaluatedKey) {
    yield result
    result = await getRemindersForDay(dayName, result.LastEvaluatedKey).catch()
  }
  yield result
}