Top "Rxjs" questions

The Reactive Extensions for JavaScript (RxJS) is a set of libraries for composing asynchronous and event-based programs using observable collections and Array Extras style composition.

RxJs get value from observable

In component : singleEvent$: Observable<Event>; On init, I get observable this.singleEvent$ = this._eventService.events$ .map(function (events) { …

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node_modules/rxjs/internal/types.d.ts(81,44): error TS1005: ';' expected error after installation of Angular 6

I got an error of node_modules/rxjs/internal/types.d.ts(81,44): error TS1005: ';' expected. after the installation …

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Angular2: convert array to Observable

I have a component that gets the data from a service via http, the problem is that I don't want …

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Simple filter on array of RXJS Observable

I am starting my project with Angular2 and the developers seem to recommend RXJS Observable instead of Promises. I have …

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Is it necessary to unsubscribe from observables created by Http methods?

Do you need to unsubscribe from Angular 2 http calls to prevent memory leak? fetchFilm(index) { var sub = this._http.get(`…

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Angular 6 RXJS Import Syntax?

I'm migrating an Angular 5 app to the latest CLI and Angular 6 RC and all of my Observable imports are broken. …

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How can I `await` on an Rx Observable?

I'd like to be able to await on an observable, e.g. const source = Rx.Observable.create(/* ... */) //... await source; A …

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What is pipe for in rxJS

I think I have the base concept, but there are some obscurities So in general this is how I use …

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What is "callback hell" and how and why does RX solve it?

Can someone give a clear definition together with a simple example that explains what is a "callback hell" for someone …

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