Resetting Delayed Effects: Understanding and Customizing Delay Function

import * as Effect from "@effect/io/Effect"
import * as Duration from "@effect/data/Duration"
 
import * as Clock from "@effect/io/Clock"
import * as Either from "@effect/data/Either"
import * as clock from "@effect/io/internal_effect_untraced/clock"

function clockSleep(duration: Duration.Duration): Effect.Effect<never, never, void> {
  return Effect.asyncInterruptEither<never, never, void>((cb) => {
    const globalClockScheduler = ((clock as any).globalClockScheduler as Clock.ClockScheduler)
    const canceler = globalClockScheduler.unsafeSchedule(() => cb(Effect.unit()), duration)
    return Either.left(Effect.asUnit(Effect.sync(canceler)))
  })
}

function sleep(duration: Duration.Duration) {
  return clockSleep(duration)
}

function delay<R, E, A>(duration: Duration.Duration, self: Effect.Effect<R, E, A>) {
  return Effect.zipRight(sleep(duration), self)
}