12 lines
512 B
Plaintext
12 lines
512 B
Plaintext
import { switchMap } from './switchMap';
|
|
import { operate } from '../util/lift';
|
|
export function switchScan(accumulator, seed) {
|
|
return operate(function (source, subscriber) {
|
|
var state = seed;
|
|
switchMap(function (value, index) { return accumulator(state, value, index); }, function (_, innerValue) { return ((state = innerValue), innerValue); })(source).subscribe(subscriber);
|
|
return function () {
|
|
state = null;
|
|
};
|
|
});
|
|
}
|
|
//# sourceMappingURL=switchScan.js.map |