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| import { operate } from '../util/lift';
| import { createOperatorSubscriber } from './OperatorSubscriber';
| export function defaultIfEmpty(defaultValue) {
| return operate(function (source, subscriber) {
| var hasValue = false;
| source.subscribe(createOperatorSubscriber(subscriber, function (value) {
| hasValue = true;
| subscriber.next(value);
| }, function () {
| if (!hasValue) {
| subscriber.next(defaultValue);
| }
| subscriber.complete();
| }));
| });
| }
| //# sourceMappingURL=defaultIfEmpty.js.map
|
|
