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Router Diagram
In the browser, the location (URL information) and session history (a stack of locations visited by the current browser tab) are stored in the global window object. They are accessible via:
Our location data is a dynamic and essential part of the application state-the kind of state that belongs in a store. Holding it in the store enables devtools luxuries like time-travel debugging, and easy access from any store-connected component.
This plugin binds that state from the Angular router to our NGXS store.


npm install @ngxs/router-plugin --save
# or if you are using yarn
yarn add @ngxs/router-plugin


Add the NgxsRouterPluginModule plugin to your root app module:
import { NgxsModule } from '@ngxs/store';
import { NgxsRouterPluginModule } from '@ngxs/router-plugin';
imports: [NgxsModule.forRoot([]), NgxsRouterPluginModule.forRoot()]
export class AppModule {}
Now the route will be reflected in your store under the router state name. The state is represented as a RouterStateSnapshot object.
You can also navigate using the store's dispatch method. It accepts the following arguments: new Navigate(path: any[], queryParams?: Params, extras?: NavigationExtras). A simple example would be navigating to the admin page like this:
import { Store } from '@ngxs/store';
import { Navigate } from '@ngxs/router-plugin';
@Component({ ... })
export class MyApp {
constructor(private store: Store) {}
onClick() { Navigate(['/admin']))
You can use action handlers to listen to state changes in your components and services by subscribing to the RouterNavigation, RouterCancel, RouterError or RouterDataResolved action classes.

Listening to the data resolution event

You can listen to the RouterDataResolved action that is dispatch when the navigated route has some linked resolvers. For example:
import { Actions, ofActionSuccessful } from '@ngxs/store';
import { RouterDataResolved } from '@ngxs/router-plugin';
import { Subject } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
@Component({ ... })
export class AppComponent {
private destroy$ = new Subject<void>();
constructor(actions$: Actions) {
).subscribe((action: RouterDataResolved) => {
ngOnDestroy(): void {
The more explicit example would be a situation where you would want to bind an input property providing some resolved data. For example:
import { Actions, ofActionSuccessful } from '@ngxs/store';
import { RouterDataResolved } from '@ngxs/router-plugin';
import { map } from 'rxjs/operators';
template: `
<app-some-component [data]="data$ | async"></app-some-component>
export class AppComponent {
data$ = this.actions$.pipe(
map((action: RouterDataResolved) =>
constructor(private actions$: Actions) {}

Custom Router State Serializer

You can implement your own router state serializer to serialize the router snapshot:
import { Params, RouterStateSnapshot } from '@angular/router';
import { NgxsModule } from '@ngxs/store';
import { NgxsRouterPluginModule, RouterStateSerializer } from '@ngxs/router-plugin';
export interface RouterStateParams {
url: string;
params: Params;
queryParams: Params;
// Map the router snapshot to { url, params, queryParams }
export class CustomRouterStateSerializer implements RouterStateSerializer<RouterStateParams> {
serialize(routerState: RouterStateSnapshot): RouterStateParams {
const {
root: { queryParams }
} = routerState;
let { root: route } = routerState;
while (route.firstChild) {
route = route.firstChild;
const { params } = route;
return { url, params, queryParams };
imports: [NgxsModule.forRoot([]), NgxsRouterPluginModule.forRoot()],
providers: [{ provide: RouterStateSerializer, useClass: CustomRouterStateSerializer }]
export class AppModule {}


The RouterNavigation action is dispatched before guards and resolvers are run by default. Therefore the action handler may run too soon due to a navigation cancel by any guard or resolver. The RouterNavigation action may be run after all guards and resolvers by providing the navigationActionTiming configuration property:
import { NgxsModule } from '@ngxs/store';
import { NgxsRouterPluginModule, NavigationActionTiming } from '@ngxs/router-plugin';
imports: [
navigationActionTiming: NavigationActionTiming.PostActivation
export class AppModule {}
Last modified 10mo ago