35 lines
1.3 KiB
JavaScript
35 lines
1.3 KiB
JavaScript
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import { connectableObservableDescriptor } from '../observable/ConnectableObservable';
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export function multicast(subjectOrSubjectFactory, selector) {
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return function multicastOperatorFunction(source) {
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let subjectFactory;
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if (typeof subjectOrSubjectFactory === 'function') {
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subjectFactory = subjectOrSubjectFactory;
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}
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else {
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subjectFactory = function subjectFactory() {
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return subjectOrSubjectFactory;
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};
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}
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if (typeof selector === 'function') {
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return source.lift(new MulticastOperator(subjectFactory, selector));
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}
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const connectable = Object.create(source, connectableObservableDescriptor);
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connectable.source = source;
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connectable.subjectFactory = subjectFactory;
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return connectable;
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};
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}
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export class MulticastOperator {
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constructor(subjectFactory, selector) {
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this.subjectFactory = subjectFactory;
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this.selector = selector;
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}
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call(subscriber, source) {
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const { selector } = this;
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const subject = this.subjectFactory();
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const subscription = selector(subject).subscribe(subscriber);
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subscription.add(source.subscribe(subject));
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return subscription;
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}
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}
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//# sourceMappingURL=multicast.js.map
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