What is the best approach for creating routes with parameters of varying lengths?

Due to the structure of the website's url, the parameters will vary, making it impossible to set a fixed number of parameters. How can we modify the app-routing.module.ts file to accommodate this?

url => /products/cat1/cat2/cat3/cat4 ...
const routes: Routes = [
   
    {
        path: 'products/:cat1/:cat2 ...', // What is the best approach??
        component: ProductsComponent,
    }
 ]

Answer №1

It is recommended to pass ids in the form of query parameters, as shown below:

this.router.navigate(['products'], {queryParams: {categories: [cat1, cat2, cat3]}});

Subsequently, in your ProductsComponent:


import { ActivatedRoute } from '@angular/router';

@Component({ ... })
export class BookComponent implements OnInit {
  categories: number[];
  
  constructor(private route: ActivatedRoute) { }

  public ngOnInit() {
    this.route.queryParams
      .subscribe(params => {
        this.categories = params.categories;
      }
    );
  }
}

Your route definition would be as follows:

const routes: Routes = [
  {
    path: 'products',
    component: ProductsComponent,
  }
]

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