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