angular - Where do I share my observables in ngrx? -


to honest, i'm not sure issue, i'm curious sharing observables when using ngrx. let's have these 3 variables in store control whether open or expanded:

export interface state {     issidebaractive: boolean;     isplaylistexpanded: boolean;     isfolderlistexpanded: boolean; }

if return 3 variables single selector, might end same variable being used multiple times in template. isn't actual code, bear me:

<div [hidden]="!(uistate$ | async)?.issidebaractive">     <ul [@expand]="(uistate$ | async)?.isplaylistexpanded">         <li></li>     </ul>     <ul [@expand]="(uistate$ | async)?.isfolderlistexpanded">         <li></li>     </ul> </div>

from understand, create 3 unique subscriptions uistate$, , can use .share() operator share 1 subscription 3 items. if necessary, share observable? here?

constructor(private store: store<fromroot.state>) {     this.uistate$ = this.store.select(fromroot.getuistate).share(); }

looking @ this answer, i'm not sure necessary.

tia.


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