Angular2 Navigation: Redirecting to a dynamically constructed route

To start, I need to automatically redirect to today's date as the default. Below is the routing configuration I currently have set up:

import { CALENDAR_ROUTE } from './_methods/utils';

export const appRoutes: Routes = [
   {
    path: CalendarComponent.path, 
    component: CalendarComponent,
    canActivate: [AuthGuard],
    resolve: refDataResolver,
    data: {
      navi: {
        at: 'main',
        icon: 'navbar-calendar'
      },
      roles: {
        employeeOnly: true
      }
    },
    children: [
      {
        path: '',
        pathMatch: 'full',
        redirectTo: CALENDAR_ROUTE.DEFAULT_MONTH
      },
      {
        path: LAYOUT_MONTH,
        children: [
          {
            path: '',
            pathMatch: 'full',
            redirectTo: CALENDAR_ROUTE.MONTH
          },
          {
            path: ':year/:month',
            component: CalendarMonthViewComponent
          },
        ]
      },
      {
        path: LAYOUT_DAY,
        children: [
          {
            path: '',
            pathMatch: 'full',
            redirectTo: CALENDAR_ROUTE.DAY
          },
          {
            path: ':year/:month/:day',
            component: CalendarDayViewComponent
          },
        ]
      }
    ]
    }
  ];

Below is how I create the strings in utils.ts:

import { LAYOUT_MONTH } from './../_classes/const';
import * as moment from 'moment';

export function getRoute(withDay: boolean, prefix?: string): string {
    const now = moment();
    const day = (withDay) ? now.format('DD') : null;
    return [prefix, now.format('YYYY'), now.format('MM'), day]
        .filter(str => !!str)
        .join('/');
}

export const CALENDAR_ROUTE = {
    DEFAULT_MONTH: getRoute(false, LAYOUT_MONTH),
    MONTH: getRoute(false),
    DAY: getRoute(true)
};

Everything functions smoothly in development mode and on localhost until I need to compile it for UAT/PROD, which requires AOT builds and then throws an error:

ERROR in Error during template compile of 'AppRoutingModule' 
Function calls are not supported in decorators but 'getRoute' was called in 'appRoutes' 
'appRoutes' calls 'getRoute' at app/app-routing.module.ts(67,42).

I have yet to find a solution to this issue. There have been suggestions to use providers and useValue, but it seems excessive in this context. Is there an alternate workaround or a different way to structure my components? Any insights or suggestions?

Answer №1

Perhaps a potential solution is to include the Router within your component and modify the route configuration during runtime.

While I have not personally tested this approach, the concept would involve something similar to the following:

Within your component

constructor(private router: Router) {
   this.router.config.unshift({path: '', component: '', redirectTo: 'Your updated redirect path'})
}

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