subsink | RxJS subscription sink | Reactive Programming library
kandi X-RAY | subsink Summary
kandi X-RAY | subsink Summary
SubSink is a dead simple class to absorb RxJS subscriptions in an array. Call unsubscribe() to unsubscribe all of them, as you would do in your component library's unmount/onDestroy lifecycle event.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of subsink
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Community Discussions
Trending Discussions on subsink
QUESTION
I have a bunch of custom pipe that are handling localization :
For example, here a simple pipe that will display fullname / lastname or lastname / fullname based on the language :
...ANSWER
Answered 2021-Nov-02 at 07:05Setting pipe to { pure: false }
is definitely not a performance problem unless you have thousands of those in a component.
The second proposition not only makes the component smarter, but would also involve async
pipe which is also impure and has slightly higher performance hit than the first solution - not that, again, would be a problem unless you're doing something very wrong in your template.
If you need to redraw when the language changes in a ChangeDetectionStrategy.OnPush
context, which I assume you have, since it has much higher performance impact than a simple impure pipe, do not forget to call ChangeDetectorRef.markForCheck
inside the language subscription.
QUESTION
While prefillLoginId is executing, I'm always getting false (default value), even though for each code inside the subscription is executing. Please help me out to return True value.
...ANSWER
Answered 2021-Aug-11 at 19:45This is because of async operation here. the code inside subscribe executes after returning status from your method and when it was returning its value was false. you should change your method to return observable like below :-
QUESTION
So, I was working with a light and dark theme in angular project, through mat-slide-toggle I am switching theme with a service storing the theme isDark
boolean as Behavioral Subject. I have two 2 modules that are lazy-loaded 1 for the home page and the other for the 404 error page as shown:
app.module.ts
...ANSWER
Answered 2020-Dec-12 at 15:46So, I was revisiting my code(nearly wasted 4hours to find cause of issue) and apparently adding ClassifyComponent to App.module's declarations array (other code remained same) removed the error and was working perfectly. Can anyone explain why is this happening ?
QUESTION
I have the following async
function which uses Subsink
ANSWER
Answered 2020-Aug-28 at 09:06With a bit of guesswork (and assuming that this.hostName.slice(0, this.Id.length).map(...)
is correct) it appears that you are trying to do this ...
QUESTION
I am making an api call within angular subsink
as follows:
ANSWER
Answered 2020-Aug-27 at 20:24With Using Observables
You can use forkJoin
and switchMap
operator of Rxjs
.
Check documentation of forkjoin
and also
Check documentation of switchMap
With using the operators you can rewrite your code like
QUESTION
Just migrated from 8 to 9. Done everything step by step, I am using angular material, migrated it as well, changed all paths from @angular/material -> @angular/material/table . Now when i run ng serve, i get this error :
...ANSWER
Answered 2020-Apr-06 at 07:56Using npm install @angular/cdk --save should resolve this.
QUESTION
Need help regarding my problem with date format.
I have a date field with a value of 03/14/2020
in angular, this is being formatted using date pipe (original value is 2020-03-14T21:38:35
), however after saving, my date field value became 2020-03-14T21:38:35
format again.
I'm using Reactive Forms in my angular apps. Please see below code
...ANSWER
Answered 2020-Mar-19 at 06:17According to this line
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