hugoWebsite/node_modules/rxjs/dist/esm/internal/operators/scanInternals.js

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2022-10-29 00:20:35 +02:00
import { createOperatorSubscriber } from './OperatorSubscriber';
export function scanInternals(accumulator, seed, hasSeed, emitOnNext, emitBeforeComplete) {
return (source, subscriber) => {
let hasState = hasSeed;
let state = seed;
let index = 0;
source.subscribe(createOperatorSubscriber(subscriber, (value) => {
const i = index++;
state = hasState
?
accumulator(state, value, i)
:
((hasState = true), value);
emitOnNext && subscriber.next(state);
}, emitBeforeComplete &&
(() => {
hasState && subscriber.next(state);
subscriber.complete();
})));
};
}
//# sourceMappingURL=scanInternals.js.map