/** PURE_IMPORTS_START _observable_ConnectableObservable PURE_IMPORTS_END */
import { connectableObservableDescriptor } from '../observable/ConnectableObservable';
export function multicast(subjectOrSubjectFactory, selector) {
    return function multicastOperatorFunction(source) {
        var subjectFactory;
        if (typeof subjectOrSubjectFactory === 'function') {
            subjectFactory = subjectOrSubjectFactory;
        }
        else {
            subjectFactory = function subjectFactory() {
                return subjectOrSubjectFactory;
            };
        }
        if (typeof selector === 'function') {
            return source.lift(new MulticastOperator(subjectFactory, selector));
        }
        var connectable = Object.create(source, connectableObservableDescriptor);
        connectable.source = source;
        connectable.subjectFactory = subjectFactory;
        return connectable;
    };
}
var MulticastOperator = /*@__PURE__*/ (function () {
    function MulticastOperator(subjectFactory, selector) {
        this.subjectFactory = subjectFactory;
        this.selector = selector;
    }
    MulticastOperator.prototype.call = function (subscriber, source) {
        var selector = this.selector;
        var subject = this.subjectFactory();
        var subscription = selector(subject).subscribe(subscriber);
        subscription.add(source.subscribe(subject));
        return subscription;
    };
    return MulticastOperator;
}());
export { MulticastOperator };
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