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