how to do good lazy loading angular code example

Example 1: how to lazyload angular

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';

const routes: Routes = [
  {
    path: 'dashboard',
    loadChildren: () => import('./modules/dashboard/dashboard.module').then(m => m.DashboardModule)
  },
  {
    path: 'projects',
    loadChildren: () => import('./modules/projects/projects.module').then(m => m.ProjectsModule)
  },
  { path: '', pathMatch: 'full', redirectTo: 'dashboard' },
];

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

Example 2: angular lazy loading

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      const routes: Routes = [
  {
    path: 'customers',
    loadChildren: () => import('./customers/customers.module').then(m => m.CustomersModule)
  },
  {
    path: 'orders',
    loadChildren: () => import('./orders/orders.module').then(m => m.OrdersModule)
  },
  {
    path: '',
    redirectTo: '',
    pathMatch: 'full'
  }
];