routing in angular 7 form typescript example

Example 1: redirect angular

import { RoleComponent } from './role/role.component';
import { AppComponent } from './app.component';
import { NgModule }             from '@angular/core';
import { RouterModule, Routes } from '@angular/router';

const routes: Routes = [
  { path: '', redirectTo: '/AppComponent', pathMatch: 'full' },
  { path: 'role', component: RoleComponent },

];

@NgModule({
  imports: [ RouterModule.forRoot(routes) ],
  exports: [ RouterModule ]
})
export class AppRoutingModule {
  constructor(private router: Router)
}

functionOnWhichRedirectShouldHappen(){
  router.navigate(['/role']);
}

Example 2: angular routing url params

const appRoutes: Routes = [
  { path: 'crisis-center/:param1', component: CrisisListComponent },
  { path: 'hero/:param2',      component: HeroDetailComponent },
];

@NgModule({
  imports: [
    RouterModule.forRoot(
      appRoutes,
      { enableTracing: true } // <-- debugging purposes only
    )
    // other imports here
  ],
  ...
})
export class AppModule { }