Linked Questions

By using Http, we call a method that does a network call and returns an http observable: getCustomer() { return this.http.get('/someUrl').map(res => res.json()); } If we take this observable ...

I am building a simple web application which uses one endpoint ( let's say www.domain.com/card/cardname ) which returns an object as such: { name: 'john', type: 'male', text: 'funny guy' } I ...

I have two Angular2 components which need to share data via a service: @Injectable() export class SearchService { private searchResultSource = new Subject<string>() searchResult$ = this....

Using Angular 2, I receive JSON data from a service. Something like this: { "customerName": "foo", "customerAddress": "123 Somewhere", "products": [ { "...

I've found a number of approaches to cache reactive observables and, more specifically, the results of http requests. However, I am not fully satisfied with the proposed solutions because of the ...

I have a Navigation bar in Angular 2. It works like below. <nav class="navbar navbar-toggleable-md navbar-light bg-faded"> <button class="navbar-toggler navbar-toggler-right" type="button"...

I have two components using the same service. On FirstComponent, I get some data from a service: getLiveData() { Observable.interval(1000) .mergeMap(() => this.service.getData()) ....

Starting from THIS awesome response, I want to use many DataService instances inside another global service (SystemService) that store and serve many "cacheable" datas. I have imported the DataService ...

Even though it seems like a common situation I haven't found a decent solution of how do I share a data from the parent to children routes. Routes: { path: ':id', component: DetailComponent, ...

I just started playing with angular 2 and i've ran into a small problem, that i ve searched for in various forms and also angulars documentation. I've managed to make a service that makes a call and ...

I need to cache server response in my service. I checked this question caching results with angular2 http service, here I have found 2 ways of doing that 1) Observable.share() - but as it said in the ...

The potential 'duplicate' questions do not answer my question - I potentially think my use of Observables is different than the examples and as I point out, I attempted using share() unsuccessfully. ...

Setup: I have a LoggedInGuard (injected with AuthService). In AuthService's constructor I've subscribed to http.get to set this.loggedIn = true based on the response from server. Question: When user ...

(In an Angular 2 app): If the data is already in memory, just return it, otherwise do a HTTP GET. It sounds like it should be simple. Is there any easier way than the following? [LOGIC] If the data ...

I got one controller CounterpartyCtrl that is used by two views. The first view contains a selector which requires all the records from collection. So I fetch all the objects and put them into $scope....