@reactivex/rxjs/src/scheduler/QueueAction.ts

Reactive Extensions for modern JavaScript

import {Action} from './Action';
import {FutureAction} from './FutureAction';

/**
 * We need this JSDoc comment for affecting ESDoc.
 * @ignore
 * @extends {Ignored}
 */
export class QueueAction<T> extends FutureAction<T> {
  protected _schedule(state?: T, delay: number = 0): Action<T> {
    if (delay > 0) {
      return super._schedule(state, delay);
    }
    this.delay = delay;
    this.state = state;
    const scheduler = this.scheduler;
    scheduler.actions.push(this);
    scheduler.flush();
    return this;
  }
}