Angular routing prefix allows for defining a common prefix for

I currently have a range of components that utilize the router with absolute paths for navigation in certain scenarios.

Let's take for example the EntityComponent, which has an action that navigates to /otherEntity/* URLs.

This setup works perfectly.

Recently, I introduced another top-level component and configured the router with the URL localhost/PREFIX/ to target that component. I also included the existing routes as child routes.

While I can access the existing components using localhost/prefix/entities, the navigation within these components is now broken. Whenever I perform actions, I am directed to /otherEntity/ instead of /prefix/otherEntity.

Is there a solution to this issue? I try to use relative paths wherever possible for some components, but there are certain cases where it's not feasible.

Main routes:

const routes: Routes = [
          {
            path: '',
            component: AppComponent,
            children: [
              applicationRoutes
            ]
          },
          {
            path: 'prefix/',
            component: AppPrefixComponent,
            children: [
              applicationRoutes
            ],
          },
]

Application level routes:

export const applicationRoutes: Routes = 
    [
            {
              path: 'entities',
              component: EntityComponent
            },
            {
              path: 'anotherEntity',
              component: AnotherEntityComponent,
            },
    ]

Sample for Navigation:

export class EntityComponent {

   navigateToAnotherEntity() {
      this.router.navigate('/anotherEntity');
   }
}

Answer №1

Consider the following scenario:

export function generateRoutes(prefix: string = ''): Routes {
  return [
    {
      path: 'items',
      component: ItemComponent,
      data: { prefix: prefix }
    },
    {
      path: 'anotherItem',
      component: AnotherItemComponent,
      data: { prefix: prefix }
    }
  ];
}
const appRoutes: Routes = [
  {
    path: '',
    component: MainAppComponent,
    children: [
      generateRoutes('')
    ]
  },
  {
    path: 'customPrefix/',
    component: CustomPrefixComponent,
    children: [
      generateRoutes('customPrefix')
    ]
  }
];

In the associated component.ts file, you can access the data from the router:

export class AppComponent implements OnInit {
  prefix = '';
  
  constructor(private router: Router) {
    this.prefix = this.router.snapshot.data['prefix'];
  }

  navigateToAnotherItem() {
    this.router.navigate(`${this.prefix}/anotherItem`);
  }
}

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