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PATH: usr / local / lib / node_modules / ghost-cli / node_modules / rxjs / src / internal / operators

import { Subject } from '../Subject';
import { Operator } from '../Operator';
import { Subscriber } from '../Subscriber';
import { Observable } from '../Observable';
import { ConnectableObservable, connectableObservableDescriptor } from '../observable/ConnectableObservable';
import { MonoTypeOperatorFunction, OperatorFunction, UnaryFunction, ObservedValueOf, ObservableInput } from '../types';

/* tslint:disable:max-line-length */
export function multicast<T>(subject: Subject<T>): UnaryFunction<Observable<T>, ConnectableObservable<T>>;
export function multicast<T, O extends ObservableInput<any>>(subject: Subject<T>, selector: (shared: Observable<T>) => O): UnaryFunction<Observable<T>, ConnectableObservable<ObservedValueOf<O>>>;
export function multicast<T>(subjectFactory: (this: Observable<T>) => Subject<T>): UnaryFunction<Observable<T>, ConnectableObservable<T>>;
export function multicast<T, O extends ObservableInput<any>>(SubjectFactory: (this: Observable<T>) => Subject<T>, selector: (shared: Observable<T>) => O): OperatorFunction<T, ObservedValueOf<O>>;
/* tslint:enable:max-line-length */

/**
 * Returns an Observable that emits the results of invoking a specified selector on items
 * emitted by a ConnectableObservable that shares a single subscription to the underlying stream.
 *
 * ![](multicast.png)
 *
 * @param {Function|Subject} subjectOrSubjectFactory - Factory function to create an intermediate subject through
 * which the source sequence's elements will be multicast to the selector function
 * or Subject to push source elements into.
 * @param {Function} [selector] - Optional selector function that can use the multicasted source stream
 * as many times as needed, without causing multiple subscriptions to the source stream.
 * Subscribers to the given source will receive all notifications of the source from the
 * time of the subscription forward.
 * @return {Observable} An Observable that emits the results of invoking the selector
 * on the items emitted by a `ConnectableObservable` that shares a single subscription to
 * the underlying stream.
 * @method multicast
 * @owner Observable
 */
export function multicast<T, R>(subjectOrSubjectFactory: Subject<T> | (() => Subject<T>),
                                selector?: (source: Observable<T>) => Observable<R>): OperatorFunction<T, R> {
  return function multicastOperatorFunction(source: Observable<T>): Observable<R> {
    let subjectFactory: () => Subject<T>;
    if (typeof subjectOrSubjectFactory === 'function') {
      subjectFactory = <() => Subject<T>>subjectOrSubjectFactory;
    } else {
      subjectFactory = function subjectFactory() {
        return <Subject<T>>subjectOrSubjectFactory;
      };
    }

if (typeof selector === 'function') {
      return source.lift(new MulticastOperator(subjectFactory, selector));
    }

const connectable: any = Object.create(source, connectableObservableDescriptor);
    connectable.source = source;
    connectable.subjectFactory = subjectFactory;

return <ConnectableObservable<R>> connectable;
  };
}

export class MulticastOperator<T, R> implements Operator<T, R> {
  constructor(private subjectFactory: () => Subject<T>,
              private selector: (source: Observable<T>) => Observable<R>) {
  }
  call(subscriber: Subscriber<R>, source: any): any {
    const { selector } = this;
    const subject = this.subjectFactory();
    const subscription = selector(subject).subscribe(subscriber);
    subscription.add(source.subscribe(subject));
    return subscription;
  }
}

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[-] window.ts [edit]
[-] retry.ts [edit]
[-] mergeAll.ts [edit]
[-] windowWhen.ts [edit]
[-] every.ts [edit]
[-] timeout.ts [edit]
[-] debounceTime.ts [edit]
[-] index.ts [edit]
[-] takeWhile.ts [edit]
[-] audit.ts [edit]
[-] reduce.ts [edit]
[-] mapTo.ts [edit]
[-] count.ts [edit]
[-] debounce.ts [edit]
[-] throwIfEmpty.ts [edit]
[-] auditTime.ts [edit]
[-] scan.ts [edit]
[-] switchAll.ts [edit]
[-] map.ts [edit]
[-] bufferCount.ts [edit]
[-] mergeScan.ts [edit]
[-] publish.ts [edit]
[-] min.ts [edit]
[+] ..
[-] publishReplay.ts [edit]
[-] bufferTime.ts [edit]
[-] share.ts [edit]
[-] repeat.ts [edit]
[-] distinct.ts [edit]
[-] concatMapTo.ts [edit]
[-] buffer.ts [edit]
[-] concatMap.ts [edit]
[-] max.ts [edit]
[-] partition.ts [edit]
[-] observeOn.ts [edit]
[-] bufferWhen.ts [edit]
[-] dematerialize.ts [edit]
[-] throttle.ts [edit]
[-] groupBy.ts [edit]
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[-] mergeMap.ts [edit]
[-] single.ts [edit]
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[-] combineLatest.ts [edit]
[-] publishLast.ts [edit]
[-] pluck.ts [edit]
[-] pairwise.ts [edit]
[-] distinctUntilChanged.ts [edit]
[-] timeInterval.ts [edit]
[-] shareReplay.ts [edit]
[-] skipUntil.ts [edit]
[-] findIndex.ts [edit]
[-] windowToggle.ts [edit]
[-] startWith.ts [edit]
[-] timeoutWith.ts [edit]
[-] concat.ts [edit]
[-] materialize.ts [edit]
[-] timestamp.ts [edit]
[-] onErrorResumeNext.ts [edit]
[-] subscribeOn.ts [edit]
[-] takeUntil.ts [edit]
[-] skipLast.ts [edit]
[-] throttleTime.ts [edit]
[-] mergeMapTo.ts [edit]
[-] multicast.ts [edit]
[-] merge.ts [edit]
[-] takeLast.ts [edit]
[-] delayWhen.ts [edit]
[-] sampleTime.ts [edit]
[-] tap.ts [edit]
[-] take.ts [edit]
[-] sample.ts [edit]
[-] filter.ts [edit]
[-] skip.ts [edit]
[-] expand.ts [edit]
[-] publishBehavior.ts [edit]
[-] sequenceEqual.ts [edit]
[-] ignoreElements.ts [edit]
[-] catchError.ts [edit]
[-] endWith.ts [edit]
[-] refCount.ts [edit]
[-] windowCount.ts [edit]
[-] defaultIfEmpty.ts [edit]
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[-] bufferToggle.ts [edit]
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[-] zip.ts [edit]
[-] elementAt.ts [edit]
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[-] race.ts [edit]
[-] finalize.ts [edit]
[-] combineAll.ts [edit]
[-] distinctUntilKeyChanged.ts [edit]
[-] isEmpty.ts [edit]