def splitDuration()

in modules/core/src/main/scala/org/scalasteward/core/util/dateTime.scala [48:74]

• 25 lines of code
• 12 McCabe index (conditional complexity)

  def splitDuration(d: FiniteDuration): List[FiniteDuration] = {
    @tailrec
    def loop(d1: FiniteDuration, acc: List[FiniteDuration]): List[FiniteDuration] =
      nextUnitAndCap(d1.unit) match {
        case Some((nextUnit, cap)) if d1.length >= cap =>
          val next = FiniteDuration(d1.length / cap, nextUnit)
          val capped = FiniteDuration(d1.length % cap, d1.unit)
          if (capped.length === 0L)
            loop(next, acc)
          else
            loop(next, capped :: acc)
        case _ => d1 :: acc
      }

    def nextUnitAndCap(unit: TimeUnit): Option[(TimeUnit, Long)] =
      unit match {
        case DAYS         => None
        case HOURS        => Some((DAYS, 24L))
        case MINUTES      => Some((HOURS, 60L))
        case SECONDS      => Some((MINUTES, 60L))
        case MILLISECONDS => Some((SECONDS, 1000L))
        case MICROSECONDS => Some((MILLISECONDS, 1000L))
        case NANOSECONDS  => Some((MICROSECONDS, 1000L))
      }

    loop(d, List.empty)
  }