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

The Interactive Extensions for JavaScript

import { __asyncGenerator, __await, __extends, __generator } from "tslib";
import { AsyncIterableX } from './asynciterablex.js';
import { throwIfAborted } from '../aborterror.js';
var AnonymousAsyncIterable = /** @class */ (function (_super) {
    __extends(AnonymousAsyncIterable, _super);
    function AnonymousAsyncIterable(fn) {
        var _this = _super.call(this) || this;
        _this._fn = fn;
        return _this;
    }
    AnonymousAsyncIterable.prototype[Symbol.asyncIterator] = function (signal) {
        return __asyncGenerator(this, arguments, function _a() {
            var it, next;
            return __generator(this, function (_b) {
                switch (_b.label) {
                    case 0:
                        throwIfAborted(signal);
                        return [4 /*yield*/, __await(this._fn(signal))];
                    case 1:
                        it = _b.sent();
                        _b.label = 2;
                    case 2: return [4 /*yield*/, __await(it.next())];
                    case 3:
                        if (!!(next = _b.sent()).done) return [3 /*break*/, 6];
                        return [4 /*yield*/, __await(next.value)];
                    case 4: return [4 /*yield*/, _b.sent()];
                    case 5:
                        _b.sent();
                        return [3 /*break*/, 2];
                    case 6: return [2 /*return*/];
                }
            });
        });
    };
    return AnonymousAsyncIterable;
}(AsyncIterableX));
/**
 * Creates a new iterable using the specified function implementing the members of AsyncIterable
 *
 * @template T The type of the elements returned by the enumerable sequence.
 * @param {((signal?: AbortSignal) => AsyncIterator<T> | Promise<AsyncIterator<T>>)} fn The function that creates the [Symbol.asyncIterator]() method
 * @returns {AsyncIterableX<T>} A new async-iterable instance.
 */
export function create(fn) {
    return new AnonymousAsyncIterable(fn);
}

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