Function unstable_subscribe

docs/external/js/react.development.js:3080–3095

(subscriber)

  }

  function unstable_subscribe(subscriber) {
    {
      subscribers.add(subscriber);

      if (subscribers.size === 1) {
        subscriberRef.current = {
          onInteractionScheduledWorkCompleted: onInteractionScheduledWorkCompleted,
          onInteractionTraced: onInteractionTraced,
          onWorkCanceled: onWorkCanceled,
          onWorkScheduled: onWorkScheduled,
          onWorkStarted: onWorkStarted,
          onWorkStopped: onWorkStopped
        };
      }
    }
  }
  function unstable_unsubscribe(subscriber) {
    {
      subscribers.delete(subscriber);