Method add

packages/core/src/pending_tasks.ts:50–61

* Adds a new task that should block application's stability. * @returns A cleanup function that removes a task when called.

()

   * @returns A cleanup function that removes a task when called.
   */
  add(): () => void {
    const taskId = this.internalPendingTasks.add();
    return () => {
      if (!this.internalPendingTasks.has(taskId)) {
        // This pending task has already been cleared.
        return;
      }
      // Notifying the scheduler will hold application stability open until the next tick.
      this.scheduler.notify(NotificationSource.PendingTaskRemoved);
      this.internalPendingTasks.remove(taskId);
    };
  }

  /**
   * Runs an asynchronous function and blocks the application's stability until the function completes.