24 lines
784 B
Plaintext
24 lines
784 B
Plaintext
import { EmptyError } from './util/EmptyError';
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import { SafeSubscriber } from './Subscriber';
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export function firstValueFrom(source, config) {
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var hasConfig = typeof config === 'object';
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return new Promise(function (resolve, reject) {
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var subscriber = new SafeSubscriber({
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next: function (value) {
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resolve(value);
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subscriber.unsubscribe();
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},
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error: reject,
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complete: function () {
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if (hasConfig) {
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resolve(config.defaultValue);
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}
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else {
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reject(new EmptyError());
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}
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},
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});
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source.subscribe(subscriber);
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});
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}
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//# sourceMappingURL=firstValueFrom.js.map |