@reactivex/ix-es5-esm/asynciterable/toset.js

The Interactive Extensions for JavaScript

import { __asyncValues, __awaiter, __generator } from "tslib";
import { wrapWithAbort } from './operators/withabort.js';
import { throwIfAborted } from '../aborterror.js';
/**
 * 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 () {
        var set, _d, _e, _f, item, e_1_1;
        return __generator(this, function (_g) {
            switch (_g.label) {
                case 0:
                    throwIfAborted(signal);
                    set = new Set();
                    _g.label = 1;
                case 1:
                    _g.trys.push([1, 6, 7, 12]);
                    _d = true, _e = __asyncValues(wrapWithAbort(source, signal));
                    _g.label = 2;
                case 2: return [4 /*yield*/, _e.next()];
                case 3:
                    if (!(_f = _g.sent(), _a = _f.done, !_a)) return [3 /*break*/, 5];
                    _c = _f.value;
                    _d = false;
                    item = _c;
                    set.add(item);
                    _g.label = 4;
                case 4:
                    _d = true;
                    return [3 /*break*/, 2];
                case 5: return [3 /*break*/, 12];
                case 6:
                    e_1_1 = _g.sent();
                    e_1 = { error: e_1_1 };
                    return [3 /*break*/, 12];
                case 7:
                    _g.trys.push([7, , 10, 11]);
                    if (!(!_d && !_a && (_b = _e.return))) return [3 /*break*/, 9];
                    return [4 /*yield*/, _b.call(_e)];
                case 8:
                    _g.sent();
                    _g.label = 9;
                case 9: return [3 /*break*/, 11];
                case 10:
                    if (e_1) throw e_1.error;
                    return [7 /*endfinally*/];
                case 11: return [7 /*endfinally*/];
                case 12: return [2 /*return*/, set];
            }
        });
    });
}

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