Function unsafeSchedule

packages/effect/src/internal/clock.ts:22–38

(task: Clock.Task, duration: Duration.Duration)

/** @internal */
export const globalClockScheduler: Clock.ClockScheduler = {
  unsafeSchedule(task: Clock.Task, duration: Duration.Duration): Clock.CancelToken {
    const millis = Duration.toMillis(duration)
    // If the duration is greater than the value allowable by the JS timer
    // functions, treat the value as an infinite duration
    if (millis > MAX_TIMER_MILLIS) {
      return constFalse
    }
    let completed = false
    const handle = setTimeout(() => {
      completed = true
      task()
    }, millis)
    return () => {
      clearTimeout(handle)
      return !completed
    }
  }
}

const performanceNowNanos = (function() {