33 lines
1.3 KiB
JavaScript
33 lines
1.3 KiB
JavaScript
import { Subscription } from '../Subscription';
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import { operate } from '../util/lift';
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import { innerFrom } from '../observable/innerFrom';
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import { createOperatorSubscriber } from './OperatorSubscriber';
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import { noop } from '../util/noop';
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import { arrRemove } from '../util/arrRemove';
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export function bufferToggle(openings, closingSelector) {
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return operate((source, subscriber) => {
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const buffers = [];
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innerFrom(openings).subscribe(createOperatorSubscriber(subscriber, (openValue) => {
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const buffer = [];
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buffers.push(buffer);
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const closingSubscription = new Subscription();
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const emitBuffer = () => {
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arrRemove(buffers, buffer);
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subscriber.next(buffer);
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closingSubscription.unsubscribe();
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};
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closingSubscription.add(innerFrom(closingSelector(openValue)).subscribe(createOperatorSubscriber(subscriber, emitBuffer, noop)));
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}, noop));
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source.subscribe(createOperatorSubscriber(subscriber, (value) => {
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for (const buffer of buffers) {
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buffer.push(value);
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}
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}, () => {
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while (buffers.length > 0) {
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subscriber.next(buffers.shift());
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}
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subscriber.complete();
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}));
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});
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}
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//# sourceMappingURL=bufferToggle.js.map
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