@reactivex/ix-esnext-esm/iterable/filterasync.js

The Interactive Extensions for JavaScript

import { AsyncIterableX } from '../asynciterable';
import { bindCallback } from '../util/bindcallback';
class FilterIterable 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++)) {
                yield item;
            }
        }
    }
}
export function filterAsync(source, predicate, thisArg) {
    return new FilterIterable(source, bindCallback(predicate, thisArg, 2));
}

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