import startOfUTCWeek from '../startOfUTCWeek/index'
import requiredArgs from '../requiredArgs/index'

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
export default function isSameUTCWeek(dirtyDateLeft, dirtyDateRight, options) {
  requiredArgs(2, arguments)

  var dateLeftStartOfWeek = startOfUTCWeek(dirtyDateLeft, options)
  var dateRightStartOfWeek = startOfUTCWeek(dirtyDateRight, options)

  return dateLeftStartOfWeek.getTime() === dateRightStartOfWeek.getTime()
}