13 lines
646 B
JavaScript
13 lines
646 B
JavaScript
import { concat } from '../observable/concat';
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import { take } from './take';
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import { ignoreElements } from './ignoreElements';
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import { mapTo } from './mapTo';
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import { mergeMap } from './mergeMap';
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import { innerFrom } from '../observable/innerFrom';
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export function delayWhen(delayDurationSelector, subscriptionDelay) {
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if (subscriptionDelay) {
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return (source) => concat(subscriptionDelay.pipe(take(1), ignoreElements()), source.pipe(delayWhen(delayDurationSelector)));
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}
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return mergeMap((value, index) => innerFrom(delayDurationSelector(value, index)).pipe(take(1), mapTo(value)));
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}
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//# sourceMappingURL=delayWhen.js.map
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