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