20 lines
659 B
JavaScript
20 lines
659 B
JavaScript
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import { EMPTY } from '../observable/empty';
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import { operate } from '../util/lift';
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import { createOperatorSubscriber } from './OperatorSubscriber';
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export function take(count) {
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return count <= 0
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?
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() => EMPTY
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: operate((source, subscriber) => {
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let seen = 0;
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source.subscribe(createOperatorSubscriber(subscriber, (value) => {
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if (++seen <= count) {
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subscriber.next(value);
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if (count <= seen) {
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subscriber.complete();
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}
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}
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}));
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});
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}
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//# sourceMappingURL=take.js.map
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