hugoWebsite/node_modules/rxjs/dist/esm/internal/operators/bufferToggle.js

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2022-10-29 00:20:35 +02:00
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();
}));
});
}
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