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| Current File : /var/www/talentgenesis_admin_backend/node_modules/rxjs/dist/esm/internal/operators/sequenceEqual.js |
import { operate } from '../util/lift';
import { createOperatorSubscriber } from './OperatorSubscriber';
import { innerFrom } from '../observable/innerFrom';
export function sequenceEqual(compareTo, comparator = (a, b) => a === b) {
return operate((source, subscriber) => {
const aState = createState();
const bState = createState();
const emit = (isEqual) => {
subscriber.next(isEqual);
subscriber.complete();
};
const createSubscriber = (selfState, otherState) => {
const sequenceEqualSubscriber = createOperatorSubscriber(subscriber, (a) => {
const { buffer, complete } = otherState;
if (buffer.length === 0) {
complete ? emit(false) : selfState.buffer.push(a);
}
else {
!comparator(a, buffer.shift()) && emit(false);
}
}, () => {
selfState.complete = true;
const { complete, buffer } = otherState;
complete && emit(buffer.length === 0);
sequenceEqualSubscriber === null || sequenceEqualSubscriber === void 0 ? void 0 : sequenceEqualSubscriber.unsubscribe();
});
return sequenceEqualSubscriber;
};
source.subscribe(createSubscriber(aState, bState));
innerFrom(compareTo).subscribe(createSubscriber(bState, aState));
});
}
function createState() {
return {
buffer: [],
complete: false,
};
}
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