constructor() { this.errorObservable = Observable.create((observer:Observer<any>) => { this.errorObserver = observer; }).share(); }
constructor() { const MAX_NUM_ARRAY = 25; const MS_LIMIT = 1000; const MS_INTERVAL_SOURCE = 10; const MS_INTERVAL_ARRAY = 1; console.clear(); let i = 0; let timerSource = Observable.create((observer) =>{ let idInterval = setInterval(() => { observer.next(i++); if(i >= MS_LIMIT) observer.complete(); }, MS_INTERVAL_SOURCE); return () => { clearInterval(idInterval); }; }); let arrayStrem = Observable.create((observer) => { let myVet = Array.from(Array(MAX_NUM_ARRAY).keys()); let idInterval = setInterval(() => { myVet[Math.floor(Math.random() * (MAX_NUM_ARRAY - 0)) + 0] = new Date().getMilliseconds(); observer.next(myVet); if(i >= MS_LIMIT) observer.complete(); }, MS_INTERVAL_ARRAY); return () => { clearInterval(idInterval); }; }); let result = timerSource .map(x => parseInt(x)) .filter(x=> x % 2 === 0) .reduce(function (acc, x, idx, source) { return acc + x; }, 1); let scanSteram = timerSource .map(x => parseInt(x)) .filter(x=> x % 2 === 0) .scan((a,c) => a + c, 1); this.bindStream = arrayStrem; arrayStrem.subscribe( () => {}, err => console.log(err), () => console.log('onComplete of arrayStrem', new Date().getMilliseconds()) ); scanSteram.subscribe( (x:number) => (this.currentSum = x), err => console.log(err), () => console.log('onComplete of scanStream', new Date().getMilliseconds()) ); timerSource.subscribe( (x:number) => (this.currentValue = x), err => console.log(err), () => console.log('onComplete of mapper', new Date().getMilliseconds()) ); result.subscribe( x => console.log(x), err => console.log(err), () => console.log('onComplete of reduce', new Date().getMilliseconds()) ); }
private subscribeToSaveResponse(result: Observable<Tamanhos>) { result.subscribe((res: Tamanhos) => this.onSaveSuccess(res), (res: Response) => this.onSaveError()); }
private handleError (error: Response) { console.error(error); return Observable.throw(error.json().error || 'Server Error'); }
// Uses Observable.forkJoin() to run multiple concurrent http.get() requests. // The entire operation will result in an error state if any single request fails. getBooksAndMovies() { return Observable.forkJoin( this.http.get('/app/books.json').map((res:Response) => res.json()), this.http.get('/app/movies.json').map((res:Response) => res.json()) ); }
function detectTrends(quote$: rx.Observable<Quote>) : rx.Observable<Trend> { return rx.Observable.empty<Trend>(); }
private subscribeToSaveResponse(result: Observable<PersonelHotpersonel>) { result.subscribe((res: PersonelHotpersonel) => this.onSaveSuccess(res), (res: Response) => this.onSaveError(res)); }
observable1 = constructorZone1.run(() => { return Rx.Observable.timer(10, 20); });
.flatMap(s => { var url = "https://api.spotify.com/v1/search?type=artist&q=" + s; var promise = $.getJSON(url); // get the promise from getJSON return Observable.fromPromise(promise); // subscribe to the promise }); // flatMap flattens our Observable of Observables
check() { return Observable.of(this.loggedIn); }