@reactivex/ix-esnext-esm/asynciterable/operators/takewhile.js

The Interactive Extensions for JavaScript

import { AsyncIterableX } from '../asynciterablex';
export class TakeWhileAsyncIterable extends AsyncIterableX {
    constructor(source, predicate) {
        super();
        this._source = source;
        this._predicate = predicate;
    }
    async *[Symbol.asyncIterator]() {
        let i = 0;
        for await (const item of this._source) {
            if (!(await this._predicate(item, i++))) {
                break;
            }
            yield item;
        }
    }
}
export function takeWhile(predicate) {
    return function takeWhileOperatorFunction(source) {
        return new TakeWhileAsyncIterable(source, predicate);
    };
}

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