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

The Interactive Extensions for JavaScript

import { __asyncValues, __awaiter, __generator } from "tslib";
import { identityAsync } from '../util/identity.js';
import { wrapWithAbort } from './operators/withabort.js';
import { throwIfAborted } from '../aborterror.js';
/**
 * Computes the sum of a sequence of values.
 *
 * @param {AsyncIterable<any>} source A sequence of values to calculate the sum.
 * @param {MathOptions<any>} [options] Optional options for providing a selector, thisArg and abort signal.
 * @returns {Promise<number>} A promise containing the sum of the sequence of values.
 */
export function sum(source, options) {
    var _a, e_1, _b, _c;
    return __awaiter(this, void 0, void 0, function () {
        var _d, _e, selector, signal, thisArg, value, _f, _g, _h, item, _j, e_1_1;
        return __generator(this, function (_k) {
            switch (_k.label) {
                case 0:
                    _d = options || {}, _e = _d["selector"], selector = _e === void 0 ? identityAsync : _e, signal = _d["signal"], thisArg = _d["thisArg"];
                    throwIfAborted(signal);
                    value = 0;
                    _k.label = 1;
                case 1:
                    _k.trys.push([1, 7, 8, 13]);
                    _f = true, _g = __asyncValues(wrapWithAbort(source, signal));
                    _k.label = 2;
                case 2: return [4 /*yield*/, _g.next()];
                case 3:
                    if (!(_h = _k.sent(), _a = _h.done, !_a)) return [3 /*break*/, 6];
                    _c = _h.value;
                    _f = false;
                    item = _c;
                    _j = value;
                    return [4 /*yield*/, selector.call(thisArg, item, signal)];
                case 4:
                    value = _j + _k.sent();
                    _k.label = 5;
                case 5:
                    _f = true;
                    return [3 /*break*/, 2];
                case 6: return [3 /*break*/, 13];
                case 7:
                    e_1_1 = _k.sent();
                    e_1 = { error: e_1_1 };
                    return [3 /*break*/, 13];
                case 8:
                    _k.trys.push([8, , 11, 12]);
                    if (!(!_f && !_a && (_b = _g.return))) return [3 /*break*/, 10];
                    return [4 /*yield*/, _b.call(_g)];
                case 9:
                    _k.sent();
                    _k.label = 10;
                case 10: return [3 /*break*/, 12];
                case 11:
                    if (e_1) throw e_1.error;
                    return [7 /*endfinally*/];
                case 12: return [7 /*endfinally*/];
                case 13: return [2 /*return*/, value];
            }
        });
    });
}

//# sourceMappingURL=sum.js.map