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@ -2,33 +2,40 @@
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Routing and navigation
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@cheatsheetIndex 11
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@description
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{@target ts}`import {provideRouter, RouteConfig, ROUTER_DIRECTIVES, ...} from '@angular/router';`{@endtarget}
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{@target ts}`import { Routes, RouterModule, ... } from '@angular/router';`{@endtarget}
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{@target js}Available from the `ng.router` namespace{@endtarget}
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{@target dart}`import 'package:angular2/router.dart';`{@endtarget}
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@cheatsheetItem
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syntax(ts):
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`@RouteConfig([
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{ path: '/:myParam', component: MyComponent, name: 'MyCmp' },
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{ path: '/staticPath', component: ..., name: ...},
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{ path: '/*wildCardParam', component: ..., name: ...}
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])
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class MyComponent() {}`|`@RouteConfig`
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`let routes: Routes = [
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{ path: '', HomeComponent },
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{ path: 'path/:routeParam', component: MyComponent },
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{ path: 'staticPath', component: ... },
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{ path: '**', component: ... },
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{ path: 'oldPath', redirectTo: '/staticPath' },
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{ path: ..., component: ..., data: { message: 'Custom' } }
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]);
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provideRouter(routes);`|`Routes`
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syntax(js):
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`var MyComponent = ng.router.RouteConfig([
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{ path: '/:myParam', component: MyComponent, name: 'MyCmp' },
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{ path: '/staticPath', component: ..., name: ...},
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{ path: '/*wildCardParam', component: ..., name: ...}
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]).Class({
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constructor: function() {}
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});`|`ng.router.RouteConfig`
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`var routes = [
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{ path: '', HomeComponent },
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{ path: ':routeParam', component: MyComponent },
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{ path: 'staticPath', component: ... },
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{ path: '**', component: ... },
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{ path: 'oldPath', redirectTo: '/staticPath' },
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{ path: ..., component: ..., data: { message: 'Custom' } }
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]);
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ng.router.provideRouter(routes)`|`ng.router.Routes`
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syntax(dart):
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`@RouteConfig(const [
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const Route(path: '/:myParam', component: MyComponent, name: 'MyCmp' ),
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const Route(path: 'path', component: MyComponent, name: 'MyCmp' ),
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])`|`@RouteConfig`
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description:
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Configures routes for the decorated component. Supports static, parameterized, and wildcard routes.
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Configures routes for the application. Supports static, parameterized, redirect and wildcard routes. Also supports custom route data and resolve.
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@cheatsheetItem
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@ -39,63 +46,128 @@ Marks the location to load the component of the active route.
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@cheatsheetItem
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syntax:
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`<a [routerLink]="[ '/MyCmp', {myParam: 'value' } ]">`|`[routerLink]`
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syntax(ts js):
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`
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<a [routerLink]="[ '/path', routeParam ]">
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<a [routerLink]="[ '/path', { matrixParam: 'value' } ]">
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<a [routerLink]="[ '/path' ]" [queryParams]="{ page: 1 }">
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<a [routerLink]="[ '/path' ]" fragment="anchor">
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`|`[routerLink]`
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syntax(dart):
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`<a [routerLink]="[ '/MyCmp', { routeParam: 'value' } ]">Link</a>`|`[routerLink]`
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description:
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Creates a link to a different view based on a route instruction consisting of a route name and optional parameters. The route name matches the as property of a configured route. Add the '/' prefix to navigate to a root route; add the './' prefix for a child route.
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Creates a link to a different view based on a route instruction consisting of a route path, required and optional parameters, query parameters and a fragment. Add the '/' prefix to navigate to a root route; add the './' prefix for a child route; add the '../sibling' prefix for a sibling or parent route.
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@cheatsheetItem
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syntax(ts js):
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`<a [routerLink]="[ '/path' ]" routerLinkActive="active">`
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syntax(dart):
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`<a [routerLink]="[ '/MyCmp', { myParam: 'value' } ]">`|`[routerLink]`
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description:
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The provided class(es) will be added to the element when the routerLink becomes the current active route.
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@cheatsheetItem
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syntax(ts):
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`class CanActivateGuard implements CanActivate {
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canActivate(
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route: ActivatedRouteSnapshot,
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state: RouterStateSnapshot
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): Observable<boolean> | boolean { ... }
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}
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{ path: ..., canActivate: [CanActivateGuard] }`|`CanActivate`
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syntax(js):
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`var CanActivateGuard = ng.core.Class({
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canActivate: function(route, state) {
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// return Observable boolean or boolean
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}
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});
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{ path: ..., canActivate: [CanActivateGuard] }`|`CanActivate`
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syntax(dart):
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`@CanActivate(() => ...)class MyComponent() {}`|`@CanActivate`
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description:
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{@target js ts}An interface for defining a class that the router should call first to determine if it should activate this component. Should return a boolean or a Observable that resolves a boolean{@endtarget}
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{@target dart}A component decorator defining a function that the router should call first to determine if it should activate this component. Should return a boolean or a future.{@endtarget}
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@cheatsheetItem
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syntax(ts):
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`class CanDeactivateGuard implements CanDeactivate<T> {
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canDeactivate(
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component: T,
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route: ActivatedRouteSnapshot,
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state: RouterStateSnapshot
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): Observable<boolean> | boolean { ... }
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}
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{ path: ..., canDeactivate: [CanDeactivateGuard] }`|`CanDeactivate`
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syntax(js):
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`var CanDeactivateGuard = ng.core.Class({
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canDeactivate: function(component, route, state) {
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// return Observable boolean or boolean
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}
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});
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{ path: ..., canDeactivate: [CanDeactivateGuard] }`|`CanDeactivate`
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syntax(dart):
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`routerCanDeactivate(nextInstruction, prevInstruction) { ... }`|`routerCanDeactivate`
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description:
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{@target js ts}An interface for defining a class that the router should call first to determine if it should deactivate this component after a navigation. Should return a boolean or a Observable that resolves a boolean{@endtarget}
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{@target dart}
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The router calls the routerCanDeactivate methods (if defined) of every component that would be removed after a navigation. The navigation proceeds if and only if all such methods return true or a future that completes successfully{@endtarget}.
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@cheatsheetItem
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syntax(ts):
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`@CanActivate(() => { ... })class MyComponent() {}`|`@CanActivate`
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`class ResolveGuard implements Resolve<T> {
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resolve(
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route: ActivatedRouteSnapshot,
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state: RouterStateSnapshot
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): Observable<any> | any { ... }
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}
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{ path: ..., resolve: [ResolveGuard] }`|`Resolve`
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syntax(js):
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`var MyComponent = ng.router.CanActivate(function() { ... }).Component({...}).Class({constructor: ...});`|`ng.router.CanActivate(function() { ... })`
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`var ResolveGuard = ng.core.Class({
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resolve: function(route, state) {
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// return Observable value or value
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}
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});
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{ path: ..., resolve: [ResolveGuard] }`|`Resolve`
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description:
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{@target js ts}An interface for defining a class that the router should call first to resolve route data before rendering the route. Should return a value or an Observable that resolves a value{@endtarget}
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@cheatsheetItem
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syntax(dart):
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`@CanActivate(() => ...)class MyComponent() {}`|`@CanActivate`
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description:
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A component decorator defining a function that the router should call first to determine if it should activate this component. Should return a boolean or a {@target js ts}promise{@endtarget}{@target dart}future{@endtarget}.
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@cheatsheetItem
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syntax(ts dart):
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`routerOnActivate(nextInstruction, prevInstruction) { ... }`|`routerOnActivate`
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syntax(js):
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`routerOnActivate: function(nextInstruction, prevInstruction) { ... }`|`routerOnActivate`
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description:
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After navigating to a component, the router calls the component's routerOnActivate method (if defined).
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{@target dart}After navigating to a component, the router calls the component's routerOnActivate method (if defined).{@endtarget}
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@cheatsheetItem
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syntax(ts dart):
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syntax(dart):
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`routerCanReuse(nextInstruction, prevInstruction) { ... }`|`routerCanReuse`
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syntax(js):
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`routerCanReuse: function(nextInstruction, prevInstruction) { ... }`|`routerCanReuse`
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description:
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The router calls a component's routerCanReuse method (if defined) to determine whether to reuse the instance or destroy it and create a new instance. Should return a boolean or a {@target js ts}promise{@endtarget}{@target dart}future{@endtarget}.
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{@target dart}The router calls a component's routerCanReuse method (if defined) to determine whether to reuse the instance or destroy it and create a new instance. Should return a boolean or a future{@endtarget}.
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@cheatsheetItem
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syntax(ts dart):
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syntax(dart):
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`routerOnReuse(nextInstruction, prevInstruction) { ... }`|`routerOnReuse`
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syntax(js):
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`routerOnReuse: function(nextInstruction, prevInstruction) { ... }`|`routerOnReuse`
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description:
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The router calls the component's routerOnReuse method (if defined) when it re-uses a component instance.
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{@target dart}The router calls the component's routerOnReuse method (if defined) when it re-uses a component instance.{@endtarget}
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@cheatsheetItem
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syntax(ts dart):
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syntax(dart):
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`routerCanDeactivate(nextInstruction, prevInstruction) { ... }`|`routerCanDeactivate`
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syntax(js):
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`routerCanDeactivate: function(nextInstruction, prevInstruction) { ... }`|`routerCanDeactivate`
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description:
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The router calls the routerCanDeactivate methods (if defined) of every component that would be removed after a navigation. The navigation proceeds if and only if all such methods return true or a {@target js ts}promise that is resolved{@endtarget}{@target dart}future that completes successfully{@endtarget}.
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{@target dart}The router calls the routerCanDeactivate methods (if defined) of every component that would be removed after a navigation. The navigation proceeds if and only if all such methods return true or a future that completes successfully.{@endtarget}
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@cheatsheetItem
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syntax(ts dart):
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syntax(dart):
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`routerOnDeactivate(nextInstruction, prevInstruction) { ... }`|`routerOnDeactivate`
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syntax(js):
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`routerOnDeactivate: function(nextInstruction, prevInstruction) { ... }`|`routerOnDeactivate`
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description:
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Called before the directive is removed as the result of a route change. May return a {@target js ts}promise{@endtarget}{@target dart}future{@endtarget} that pauses removing the directive until the {@target js ts}promise resolves{@endtarget}{@target dart}future completes{@endtarget}.
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{@target dart}Called before the directive is removed as the result of a route change. May return a future that pauses removing the directive until the future completes.{@endtarget}
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