12 lines
580 B
JavaScript
12 lines
580 B
JavaScript
|
import { operate } from '../util/lift';
|
||
|
|
import { mergeInternals } from './mergeInternals';
|
||
|
|
export function mergeScan(accumulator, seed, concurrent) {
|
||
|
|
if (concurrent === void 0) { concurrent = Infinity; }
|
||
|
|
return operate(function (source, subscriber) {
|
||
|
|
var state = seed;
|
||
|
|
return mergeInternals(source, subscriber, function (value, index) { return accumulator(state, value, index); }, concurrent, function (value) {
|
||
|
|
state = value;
|
||
|
|
}, false, undefined, function () { return (state = null); });
|
||
|
|
});
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=mergeScan.js.map
|