ix/asynciterable/toarray.mjs

The Interactive Extensions for JavaScript

import { __asyncValues, __awaiter } from "tslib";
import { wrapWithAbort } from './operators/withabort.mjs';
import { throwIfAborted } from '../aborterror.mjs';
/**
 * Converts an existing async-iterable to a promise containing the array of values.
 *
 * @template TSource The type of elements in the source sequence.
 * @param {AsyncIterable<TSource>} source The source sequence to convert to an array.
 * @param {AbortSignal} [signal] An optional abort signal to cancel the operation at any time.
 * @returns {Promise<TSource[]>} A promise containing all the items from the source sequence as an array.
 */
export function toArray(source, signal) {
    var _a, e_1, _b, _c;
    return __awaiter(this, void 0, void 0, function* () {
        throwIfAborted(signal);
        const results = [];
        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;
                results.push(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 results;
    });
}

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