ix/asynciterable/toset.mjs

The Interactive Extensions for JavaScript

import { __asyncValues, __awaiter } from "tslib";
import { wrapWithAbort } from './operators/withabort.mjs';
import { throwIfAborted } from '../aborterror.mjs';
/**
 * Converts the existing async-iterable into a promise which resolves a Set.
 *
 * @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 function toSet(source, signal) {
    var _a, e_1, _b, _c;
    return __awaiter(this, void 0, void 0, function* () {
        throwIfAborted(signal);
        const set = new Set();
        try {
            for (var _d = true, _e = __asyncValues(wrapWithAbort(source, signal)), _f; _f = yield _e.next(), _a = _f.done, !_a; _d = true) {
                _c = _f.value;
                _d = false;
                const item = _c;
                set.add(item);
            }
        }
        catch (e_1_1) { e_1 = { error: e_1_1 }; }
        finally {
            try {
                if (!_d && !_a && (_b = _e.return)) yield _b.call(_e);
            }
            finally { if (e_1) throw e_1.error; }
        }
        return set;
    });
}

//# sourceMappingURL=toset.mjs.map