import { EmptyError } from '../util/EmptyError'; import { operate } from '../util/lift'; import { createOperatorSubscriber } from './OperatorSubscriber'; export function throwIfEmpty(errorFactory) { if (errorFactory === void 0) { errorFactory = defaultErrorFactory; } return operate(function (source, subscriber) { var hasValue = false; source.subscribe(createOperatorSubscriber(subscriber, function (value) { hasValue = true; subscriber.next(value); }, function () { return (hasValue ? subscriber.complete() : subscriber.error(errorFactory())); })); }); } function defaultErrorFactory() { return new EmptyError(); } //# sourceMappingURL=throwIfEmpty.js.map