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