16 lines
640 B
Plaintext
16 lines
640 B
Plaintext
import { EmptyError } from '../util/EmptyError';
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import { operate } from '../util/lift';
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import { createOperatorSubscriber } from './OperatorSubscriber';
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export function throwIfEmpty(errorFactory = defaultErrorFactory) {
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return operate((source, subscriber) => {
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let hasValue = false;
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source.subscribe(createOperatorSubscriber(subscriber, (value) => {
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hasValue = true;
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subscriber.next(value);
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}, () => (hasValue ? subscriber.complete() : subscriber.error(errorFactory()))));
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});
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}
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function defaultErrorFactory() {
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return new EmptyError();
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}
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//# sourceMappingURL=throwIfEmpty.js.map |