Sending optional data in Angular routesIn Angular, you can include additional

Question

Sending optional data in Angular routesIn Angular, you can include additional

In my project utilizing angular 5, I have a lengthy routing file:

const homeRoutes: Routes = [
  {
    path: 'home', component: HomeComponent,
    children: [
      {
        path: 'registration',
        component: RegistrationComponent,
        children: [
          {
            path: 'synthese',
            component: SyntheseComponent
          },
          {
            path: 'queue',
            component: QueueComponent,
            children: [
              {
                path: 'queue-modal',
                component: QueueModalComponent
              },
              {
                path: 'confirm',
                component: ConfirmComponent
              }
            ]
          }
        ]
      },
      {
...

I am looking to pass data specifically within the "registration" path.

To achieve this, I have been advised to include it in the route like so: path: 'registration/:mydata'.

Then, I need to subscribe to the data using ActivatedRoute.

The challenge is that not every time data needs to be passed; only in certain scenarios.

How can I handle this with minimal impact on the existing setup?

javascript angular typescript angular5 angular-routing

Answer 1

Answer №1

Instead of using route parameters, you can utilize querystring parameters (also known as queryParams). There is no need to define query params in the route itself.

Here's an example of a relative href:

registration/?mydata=123

Below is how you can set up queryParams for a routerLink:

<a [routerLink]="['registration']" [queryParams]="{ mydata: 123 }">Go to Registration</a>

This is how you can access that parameter value:

myValue: any;

constructor(private route: ActivatedRoute) {}

ngOnInit() {
  this.route.queryParams.subscribe(params => {
    this.myValue = params['mydata'];
  });
}

Answer 2

Instead of using route parameters, you can utilize querystring parameters (also known as queryParams). There is no need to define query params in the route itself.

Here's an example of a relative href:

registration/?mydata=123

Below is how you can set up queryParams for a routerLink:

<a [routerLink]="['registration']" [queryParams]="{ mydata: 123 }">Go to Registration</a>

This is how you can access that parameter value:

myValue: any;

constructor(private route: ActivatedRoute) {}

ngOnInit() {
  this.route.queryParams.subscribe(params => {
    this.myValue = params['mydata'];
  });
}

Sending optional data in Angular routesIn Angular, you can include additional

Answer №1

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