| /** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { Subscriber } from '../Subscriber'; |
| export function defaultIfEmpty(defaultValue) { |
| if (defaultValue === void 0) { |
| defaultValue = null; |
| } |
| return function (source) { return source.lift(new DefaultIfEmptyOperator(defaultValue)); }; |
| } |
| var DefaultIfEmptyOperator = /*@__PURE__*/ (function () { |
| function DefaultIfEmptyOperator(defaultValue) { |
| this.defaultValue = defaultValue; |
| } |
| DefaultIfEmptyOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new DefaultIfEmptySubscriber(subscriber, this.defaultValue)); |
| }; |
| return DefaultIfEmptyOperator; |
| }()); |
| var DefaultIfEmptySubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(DefaultIfEmptySubscriber, _super); |
| function DefaultIfEmptySubscriber(destination, defaultValue) { |
| var _this = _super.call(this, destination) || this; |
| _this.defaultValue = defaultValue; |
| _this.isEmpty = true; |
| return _this; |
| } |
| DefaultIfEmptySubscriber.prototype._next = function (value) { |
| this.isEmpty = false; |
| this.destination.next(value); |
| }; |
| DefaultIfEmptySubscriber.prototype._complete = function () { |
| if (this.isEmpty) { |
| this.destination.next(this.defaultValue); |
| } |
| this.destination.complete(); |
| }; |
| return DefaultIfEmptySubscriber; |
| }(Subscriber)); |
| //# sourceMappingURL=defaultIfEmpty.js.map |