http-v15-4.ts

bootstrapApplication(AppComponent, {
  providers: [
    provideHttpClient(
      withInterceptors([
        (req, next) => {
          console.log('Global interceptor');
          return next(req);
        },
      ])
    ),
    provideRouter([
      { path: '', component: HomeComponent },
      {
        path: 'todos',
        loadChildren() {
          return import('./app/todos/todos.routes');
        },
      },
    ]),
  ],
});

http-v15-5.ts

import {
  provideHttpClient,
  withRequestsMadeViaParent,
  withInterceptors,
} from '@angular/common/http';

export default [
  {
    path: '',
    providers: [
      provideHttpClient(
        // 👇👇👇👇
        withRequestsMadeViaParent(),
        withInterceptors([
          (req, next) => {
            console.log('TodosComponent Interceptors');
            return next(req);
          },
        ])
      ),
    ],
    loadComponent() {
      return import('./todos/todos.component');
    },
  },
];