Utilizing Angular 16 to Link Component Input with Parent Route Parameter

Picture a scenario where there is a component (some.component.ts) in Angular 16 that retrieves the value for its foo property from activeRoute, specifically from the parent route. Take a look at the code snippet below:

@Input() foo!: string;

constructor(private activeRoute: ActivatedRoute) {
  this.foo = this.activeRoute.parent?.snapshot.params['foo'];
}

I want to utilize the Angular 16 input binding for routing parameters in this situation. It functions fine in other instances, but I am unsure about how to make it work when the parameter is inherited from a parent route.

The structure of the routes appears as follows:

{
  path: 'bar/:foo',
  component: IrrelevantComponent,
  children: [
    {
      path: 'some',
      component: SomeComponent,
    },
  ],
},

Can we achieve this using the new route parameter binding feature? If so, how can it be done?

Answer №1

@skink provided a helpful link to the documentation on how to achieve this: https://angular.io/guide/router#getting-route-information

To access the route information of the parent components, you will need to configure the router paramsInheritanceStrategy option like so:

withRouterConfig({paramsInheritanceStrategy: 'always'})

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