Check out Full Stack Master on youtube. Search for Behavior Subject on the
channel. He has a very good explanation for it. It will help. Good luck.
On Mon, 30 Mar 2020, 17:02 Arnaud Deman, <arnaud.de...@io.cool> wrote:
> Hello,
>
> iin loginIn you do not return anything. And you already subscribe to the
> observable.
> So in the app you try to call subscribe to an empty type. I would use
> something more like this which returns an observable:
> to log in() {
> return this._http.get <Login []> (this._url) .pipe (
> tap (data => {this.dataStore.next (data);
> console.log ("loginIn: =>" + this.dataStore);
> this._route.navigate (['/ home'])
> })
> );
> }
>
> There are other errors but I think that they are due to the model: that is
> to say: _url is not a URL but a json object (incorrect).
>
> I'm not sure if this is the best place to call route._navigate, either
> move them to the final subscriptions, or better use a route guard:
> https://angular.io/guide/router#canactivate-requiring-authentication
>
> I hope this will help you,
> Regards,
> Arnaud.
>
> On Monday, 30 March 2020 16:06:20 UTC+2, learningA wrote:
>>
>> Hello,
>>
>> I been trying to understand the topic of *BehaviorSubject & Observable*
>> by using a simple login application with no success and I'm wondering if
>> someone can look at the code and let me know what aim doing wrong. I been
>> at it for a month with no success.
>>
>> Angular project
>> stackBlitz: https://stackblitz.com/edit/angular-qmokve
>>
>>
>> what i have in my services
>>
>> loginIn() {
>> this._http.get<Login[]>(this._url)
>> .map(data => this.members == data) \\does work
>> .subscribe(data => { this.dataStore.next(data);
>> console.log("loginIn:=> "+ this.dataStore);
>> this._route.navigate(['/home']);
>> }
>> );
>>
>>
>> }
>>
>>
>> app
>>
>> --
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