blob: f8503f3a5d628b1ee7599e91206b1b3532e977c0 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
import { operate } from '../util/lift';
import { createOperatorSubscriber } from './OperatorSubscriber';
import { noop } from '../util/noop';
import { innerFrom } from '../observable/innerFrom';
export function distinct(keySelector, flushes) {
return operate(function (source, subscriber) {
var distinctKeys = new Set();
source.subscribe(createOperatorSubscriber(subscriber, function (value) {
var key = keySelector ? keySelector(value) : value;
if (!distinctKeys.has(key)) {
distinctKeys.add(key);
subscriber.next(value);
}
}));
flushes && innerFrom(flushes).subscribe(createOperatorSubscriber(subscriber, function () { return distinctKeys.clear(); }, noop));
});
}
//# sourceMappingURL=distinct.js.map
|
