/** Injectable sleep. Tests replace it with an immediate one via `setSleep`. */
let sleepImpl: (ms: number) => Promise<void> = (ms) => Bun.sleep(ms);

export function setSleep(fn: ((ms: number) => Promise<void>) | null): void {
  sleepImpl = fn ?? ((ms) => Bun.sleep(ms));
}

export const sleep = (ms: number): Promise<void> => sleepImpl(ms);