33 lines
1.3 KiB
JavaScript
33 lines
1.3 KiB
JavaScript
|
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
|