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knowledgeplacesParticipantI am developing an app with Angular 10 and I have to perform various initializations before the app is displayed to the user.
I am new to Angular and Typescript and I am trying to do this based on samples found by googling the web.
So far I have done this, which is supposed to make the app wait 10 seconds before launching, but it does not work yet.
I have created an AdminutilsService with the following code:
import { Injectable } from '@angular/core'; @Injectable({ providedIn: 'root' }) export class AdminutilsService { constructor() { } loadCustomerConfig(): (() => Promise<boolean>) { return (): Promise<boolean> => { return new Promise<boolean>((resolve: (a: boolean) => void): void => { setTimeout(() => resolve(true), 10000); }); }; } }
In app.module.ts, I have added:
import { AdminutilsService } from './adminutils.service'; export function loadCustomerConfigFactory(myAdminutilsService: AdminutilsService) { return () => myAdminutilsService.loadCustomerConfig(); }
and also in @NgModule:
providers: [{ provide: APP_INITIALIZER, useFactory: loadCustomerConfigFactory, multi: true }],
Compile is done although I have a warning on line
export function loadCustomerConfigFactory(AdminutilsService: AdminutilsService) {
expected call-signature: ‘loadCustomerConfigFactory’ to have a typedef (typedef)
But when I launch the app, there is not a 10 seconds delay as expected.
Please advise.
- This topic was modified 4 years, 2 months ago by knowledgeplaces.
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