@reactivex/rxjs

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data-ice="title">es6/observable/ErrorObservable.js</h1> <pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import { Observable } from '../Observable'; /** * We need this JSDoc comment for affecting ESDoc. * @extends {Ignored} * @hide true */ export var ErrorObservable = (function (_super) { __extends(ErrorObservable, _super); function ErrorObservable(error, scheduler) { _super.call(this); this.error = error; this.scheduler = scheduler; } /** * Creates an Observable that emits no items to the Observer and immediately * emits an error notification. * * <span class="informal">Just emits 'error', and nothing else. * </span> * * <img src="./img/throw.png" width="100%"> * * This static operator is useful for creating a simple Observable that only * emits the error notification. It can be used for composing with other * Observables, such as in a {@link mergeMap}. * * @example <caption>Emit the number 7, then emit an error.</caption> * var result = Rx.Observable.throw(new Error('oops!')).startWith(7); * result.subscribe(x => console.log(x), e => console.error(e)); * * @example <caption>Map and flattens numbers to the sequence 'a', 'b', 'c', but throw an error for 13</caption> * var interval = Rx.Observable.interval(1000); * var result = interval.mergeMap(x => * x === 13 ? * Rx.Observable.throw('Thirteens are bad') : * Rx.Observable.of('a', 'b', 'c') * ); * result.subscribe(x => console.log(x), e => console.error(e)); * * @see {@link create} * @see {@link empty} * @see {@link never} * @see {@link of} * * @param {any} error The particular Error to pass to the error notification. * @param {Scheduler} [scheduler] A {@link Scheduler} to use for scheduling * the emission of the error notification. * @return {Observable} An error Observable: emits only the error notification * using the given error argument. * @static true * @name throw * @owner Observable */ ErrorObservable.create = function (error, scheduler) { return new ErrorObservable(error, scheduler); }; ErrorObservable.dispatch = function (arg) { var error = arg.error, subscriber = arg.subscriber; subscriber.error(error); }; ErrorObservable.prototype._subscribe = function (subscriber) { var error = this.error; var scheduler = this.scheduler; if (scheduler) { return scheduler.schedule(ErrorObservable.dispatch, 0, { error: error, subscriber: subscriber }); } else { subscriber.error(error); } }; return ErrorObservable; }(Observable)); //# sourceMappingURL=ErrorObservable.js.map</code></pre> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc<span data-ice="esdocVersion">(0.4.8)</span></a> </footer> <script src="script/search_index.js"></script> <script src="script/search.js"></script> <script src="script/pretty-print.js"></script> <script src="script/inherited-summary.js"></script> <script src="script/test-summary.js"></script> <script src="script/inner-link.js"></script> <script src="script/patch-for-local.js"></script> </body> </html>