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@reactivex/rxjs

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Reactive Extensions for modern JavaScript

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import { Subscriber } from '../Subscriber'; export function isEmpty() { return function (source) { return source.lift(new IsEmptyOperator()); }; } var IsEmptyOperator = (function () { function IsEmptyOperator() { } IsEmptyOperator.prototype.call = function (observer, source) { return source.subscribe(new IsEmptySubscriber(observer)); }; return IsEmptyOperator; }()); /** * We need this JSDoc comment for affecting ESDoc. * @ignore * @extends {Ignored} */ var IsEmptySubscriber = (function (_super) { __extends(IsEmptySubscriber, _super); function IsEmptySubscriber(destination) { _super.call(this, destination); } IsEmptySubscriber.prototype.notifyComplete = function (isEmpty) { var destination = this.destination; destination.next(isEmpty); destination.complete(); }; IsEmptySubscriber.prototype._next = function (value) { this.notifyComplete(false); }; IsEmptySubscriber.prototype._complete = function () { this.notifyComplete(true); }; return IsEmptySubscriber; }(Subscriber)); //# sourceMappingURL=isEmpty.js.map