| /** PURE_IMPORTS_START .._Observable,.._util_subscribeToResult,.._OuterSubscriber PURE_IMPORTS_END */ |
| var __extends = (this && this.__extends) || function (d, b) { |
| for (var p in b) |
| if (b.hasOwnProperty(p)) |
| d[p] = b[p]; |
| function __() { this.constructor = d; } |
| d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); |
| }; |
| import { Observable } from '../Observable'; |
| import { subscribeToResult } from '../util/subscribeToResult'; |
| import { OuterSubscriber } from '../OuterSubscriber'; |
| /** |
| * We need this JSDoc comment for affecting ESDoc. |
| * @extends {Ignored} |
| * @hide true |
| */ |
| export var UsingObservable = /*@__PURE__*/ (/*@__PURE__*/ function (_super) { |
| __extends(UsingObservable, _super); |
| function UsingObservable(resourceFactory, observableFactory) { |
| _super.call(this); |
| this.resourceFactory = resourceFactory; |
| this.observableFactory = observableFactory; |
| } |
| UsingObservable.create = function (resourceFactory, observableFactory) { |
| return new UsingObservable(resourceFactory, observableFactory); |
| }; |
| UsingObservable.prototype._subscribe = function (subscriber) { |
| var _a = this, resourceFactory = _a.resourceFactory, observableFactory = _a.observableFactory; |
| var resource; |
| try { |
| resource = resourceFactory(); |
| return new UsingSubscriber(subscriber, resource, observableFactory); |
| } |
| catch (err) { |
| subscriber.error(err); |
| } |
| }; |
| return UsingObservable; |
| }(Observable)); |
| var UsingSubscriber = /*@__PURE__*/ (/*@__PURE__*/ function (_super) { |
| __extends(UsingSubscriber, _super); |
| function UsingSubscriber(destination, resource, observableFactory) { |
| _super.call(this, destination); |
| this.resource = resource; |
| this.observableFactory = observableFactory; |
| destination.add(resource); |
| this.tryUse(); |
| } |
| UsingSubscriber.prototype.tryUse = function () { |
| try { |
| var source = this.observableFactory.call(this, this.resource); |
| if (source) { |
| this.add(subscribeToResult(this, source)); |
| } |
| } |
| catch (err) { |
| this._error(err); |
| } |
| }; |
| return UsingSubscriber; |
| }(OuterSubscriber)); |
| //# sourceMappingURL=UsingObservable.js.map |