Is it feasible to select which modules to be loaded into the application?

Looking for a solution to my problem outlined in the title. For example, I am tasked with creating two separate versions of an app - one for France and one for the UK. In some areas, they require completely different implementations. Is it feasible to swap components during the build process (e.g. Sale_en_GB.module for Sale_fr_FR.module)? If not, is there a way to use components with similar naming patterns?

Answer №1

If you want to implement a guard in your app routing module that displays content based on the user's country, you can follow these steps:

app-routing.module.ts

import { NgModule } from '@angular/core';
import { Routes, RouterModule, PreloadAllModules, NoPreloading } from '@angular/router';
import { MainComponent } from './main/main.component';
import { CountryGuard } from './auth/services/country.guard';

const gbRoutes: Routes = [{
  path: 'gb',
  loadChildren: () => import('./Sale_en_GB/Sale_en_GB.module').then(mod => mod.SalesGBModule),
  canLoad: [CountryGuard],
}];
const frRoutes: Routes = [{
  path: 'fr',
  loadChildren: () => import('./Sale_fr_FR/Sale_fr_FR.module').then(mod => mod.SalesFRModule),
  canLoad: [CountryGuard],
}];

const routes: Routes = [
  {
    path: '',
    redirectTo: 'gb', //default
    pathMatch: 'full'
  },
  {
    path: '',
    component: MainComponent, //there will be a main component for both modules.
    canActivate: [CountryGuard],
    children: [
      ...gbRoutes,
      ...frRoutes,
    ]
  },
]

@NgModule({
  imports: [RouterModule.forRoot(routes, { preloadingStrategy: PreloadAllModules })],
  exports: [RouterModule]
})
export class AppRoutingModule { }

country.guard.ts

import { Injectable } from '@angular/core';
import { CanActivate, CanActivateChild, CanLoad, Route, UrlSegment, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree, Router, Resolve } from '@angular/router';
import { Observable, throwError, of } from 'rxjs';

@Injectable({
  providedIn: 'root'
})
export class CountryGuard implements CanActivate, CanActivateChild, CanLoad, Resolve<any> {
  token: any;
  user: any;
  constructor(private router: Router) {}

  canActivate(){
    if (checkCountry('GB')) { // implement logic to check user country here
        this.router.navigate(['/gb']);
    } else if(checkCountry('FR')) {
        this.router.navigate(['/fr']);
    }
    return false;
  }

  canActivateChild(){
    return true;
  }

  canLoad(){
    if (checkCountry('GB')) { // implement logic to check user country here
        this.router.navigate(['/gb']);
    } else if(checkCountry('FR')) {
        this.router.navigate(['/fr']);
    }
    return false;
  }
}

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