ix/asynciterable/operators/concatall.mjs

The Interactive Extensions for JavaScript

import { __asyncGenerator, __asyncValues, __await } from "tslib";
import { AsyncIterableX } from '../asynciterablex.mjs';
import { wrapWithAbort } from './withabort.mjs';
import { throwIfAborted } from '../../aborterror.mjs';
/** @ignore */
export class ConcatAllAsyncIterable extends AsyncIterableX {
    constructor(source) {
        super();
        this._source = source;
    }
    [Symbol.asyncIterator](signal) {
        return __asyncGenerator(this, arguments, function* _a() {
            var _b, e_1, _c, _d, _e, e_2, _f, _g;
            throwIfAborted(signal);
            try {
                for (var _h = true, _j = __asyncValues(wrapWithAbort(this._source, signal)), _k; _k = yield __await(_j.next()), _b = _k.done, !_b; _h = true) {
                    _d = _k.value;
                    _h = false;
                    const outer = _d;
                    try {
                        for (var _l = true, _m = (e_2 = void 0, __asyncValues(wrapWithAbort(outer, signal))), _o; _o = yield __await(_m.next()), _e = _o.done, !_e; _l = true) {
                            _g = _o.value;
                            _l = false;
                            const item = _g;
                            yield yield __await(item);
                        }
                    }
                    catch (e_2_1) { e_2 = { error: e_2_1 }; }
                    finally {
                        try {
                            if (!_l && !_e && (_f = _m.return)) yield __await(_f.call(_m));
                        }
                        finally { if (e_2) throw e_2.error; }
                    }
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (!_h && !_b && (_c = _j.return)) yield __await(_c.call(_j));
                }
                finally { if (e_1) throw e_1.error; }
            }
        });
    }
}
/**
 * Concatenates all inner async-iterable sequences, as long as the previous
 * async-iterable sequence terminated successfully.
 *
 * @template T The type of elements in the source sequence.
 * @returns {OperatorAsyncFunction<AsyncIterable<T>, T>} An operator which concatenates all inner async-iterable sources.
 */
export function concatAll() {
    return function concatAllOperatorFunction(source) {
        return new ConcatAllAsyncIterable(source);
    };
}

//# sourceMappingURL=concatall.mjs.map