/** @type {import("../../application/ports/clock-port.js").ClockPort} */
export const systemClock = Object.freeze({
  now: () => Date.now(),
  sleep(milliseconds, signal) {
    return new Promise((resolve, reject) => {
      if (signal?.aborted) {
        reject(signal.reason);
        return;
      }

      const timer = setTimeout(() => {
        signal?.removeEventListener("abort", onAbort);
        resolve();
      }, milliseconds);
      const onAbort = () => {
        clearTimeout(timer);
        signal?.removeEventListener("abort", onAbort);
        reject(signal?.reason);
      };
      signal?.addEventListener("abort", onAbort, { once: true });
    });
  },
});