File size: 594 Bytes
bc20498 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 |
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 |