22 lines
775 B
JavaScript
22 lines
775 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 takeLast(count) {
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return count <= 0
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? () => EMPTY
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: operate((source, subscriber) => {
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let buffer = [];
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source.subscribe(createOperatorSubscriber(subscriber, (value) => {
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buffer.push(value);
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count < buffer.length && buffer.shift();
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}, () => {
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for (const value of buffer) {
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subscriber.next(value);
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}
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subscriber.complete();
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}, undefined, () => {
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buffer = null;
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}));
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});
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}
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//# sourceMappingURL=takeLast.js.map
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