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15 lines
613 B
15 lines
613 B
import { scan } from './scan';
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import { takeLast } from './takeLast';
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import { defaultIfEmpty } from './defaultIfEmpty';
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import { pipe } from '../util/pipe';
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export function reduce(accumulator, seed) {
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if (arguments.length >= 2) {
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return function reduceOperatorFunctionWithSeed(source) {
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return pipe(scan(accumulator, seed), takeLast(1), defaultIfEmpty(seed))(source);
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};
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}
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return function reduceOperatorFunction(source) {
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return pipe(scan((acc, value, index) => accumulator(acc, value, index + 1)), takeLast(1))(source);
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};
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}
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//# sourceMappingURL=reduce.js.map
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