@reactivex/rxjs/src/operator/publishReplay.ts

Reactive Extensions for modern JavaScript

import { Observable } from '../Observable';
import { ReplaySubject } from '../ReplaySubject';
import { IScheduler } from '../Scheduler';
import { multicast } from './multicast';
import { ConnectableObservable } from '../observable/ConnectableObservable';

/**
 * @param bufferSize
 * @param windowTime
 * @param scheduler
 * @return {ConnectableObservable<T>}
 * @method publishReplay
 * @owner Observable
 */
export function publishReplay<T>(this: Observable<T>, bufferSize: number = Number.POSITIVE_INFINITY,
                                 windowTime: number = Number.POSITIVE_INFINITY,
                                 scheduler?: IScheduler): ConnectableObservable<T> {
  return multicast.call(this, new ReplaySubject<T>(bufferSize, windowTime, scheduler));
}