@reactivex/ix-esnext-esm/asynciterable/toset.js

The Interactive Extensions for JavaScript

import { wrapWithAbort } from './operators/withabort';
import { throwIfAborted } from '../aborterror';
/**
 * Converts the existing async-iterable into a promise which resolves a Set.
 *
 * @export
 * @template TSource The type of elements in the source sequence.
 * @param {AsyncIterable<TSource>} source The async-iterable to convert into a set.
 * @param {AbortSignal} [signal] An optional abort signal to cancel the operation at any time.
 * @returns {Promise<Set<TSource>>} A promise which contains a Set with all the elements from the async-iterable.
 */
export async function toSet(source, signal) {
    throwIfAborted(signal);
    const set = new Set();
    for await (const item of wrapWithAbort(source, signal)) {
        set.add(item);
    }
    return set;
}

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