[英]Angular2 router canActivate no provider for false
所以我的代码看起来像这样:
export const routes: RouterConfig = [
{ 'path': '', redirectTo: '/jobs', terminal: true, canActivate: [tokenNotExpired()] },
{ path: 'account', component: AccountComponent, canActivate: [!tokenNotExpired()] },
{ path: 'login', component: LoginComponent },
...WihRoutes
];
每当我尝试导航到“帐户”时,路由都会失败,但由于某种原因,它还会出现以下控制台错误:
browser_adapter.ts:82 EXCEPTION:错误:未捕获(在承诺中):没有提供者为false!BrowserDomAdapter.logError @ browser_adapter.ts:82BrowserDomAdapter.logGroup @ browser_adapter.ts:93ExceptionHandler.call @ exception_handler.ts:58(匿名函数)@ application_ref.ts:374schedulerFn @async.ts:148SafeSubscriber .__ tryOrUnsub @ Subscriber.ts:240SafeSubscriber.next @ Subscriber.ts:192Subscriber._next @ Subscriber.ts:133Subscriber.next @ Subscriber.ts:93Subject._finalNext @ Subject.ts: 154Subject._next @ Subject.ts:144Subject.next @ Subject.ts:90EventEmitter.emit @ async.ts:133onError @ ng_zone.ts:141onHandleError @ ng_zone_impl.ts:95ZoneDelegate.handleError @ zone.js:327Zone.runGuarded @ zone。 js:233_loop_1 @ zone.js:487drainMicroTaskQueue @ zone.js:494ZoneTask.invoke @ zone.js:426 browser_adapter.ts:82 STACKTRACE:BrowserDomAdapter.logError @ browser_adapter.ts:82ExceptionHandler.call @ exception_handler.ts:61(匿名函数)@ application_ref.ts:374schedulerFn @async.ts:148SafeSu bscriber .__ tryOrUnsub @ Subscriber.ts:240SafeSubscriber.next @ Subscriber.ts:192Subscriber._next @ Subscriber.ts:133Subscriber.next @ Subscriber.ts:93Subject._finalNext @ Subject.ts:154Subject._next @ Subject.ts:144Subject。 next @ Subject.ts:90EventEmitter.emit @ async.ts:133onError @ ng_zone.ts:142onHandleError @ ng_zone_impl.ts:95ZoneDelegate.handleError @ zone.js:327Zone.runGuarded @ zone.js:233_loop_1 @ zone.js:487drainMicroTaskQueue @ zone.js:494ZoneTask.invoke @ zone.js:426 browser_adapter.ts:82错误:未捕获(承诺):没有提供者为假! 在zone.js上的resolvePromise(zone.js:538):在ZoneDelegate.invoke(zone.js:323)的515处,在区域的ZoneDelegate.invoke(zone.js:322)处的Object.onInvoke(ng_zone_impl.ts:72)处zone.le上的.run(zone.js:216)位于ZoneDelegate.invokeTask(zone.js:355)的Zone.leInvokeTask(zone.js:356)中的ZoneDelegate.invokeTask(zone.js:356)处。
我不清楚为什么会这样 - 其他人?
传递给canActivate: [!tokenNotExpired()]
的值canActivate: [!tokenNotExpired()]
需要是提供者。 !tokenNotExpired()
不是有效的提供者。
canActivate: ['tokenExpired']
canActivate: ['!tokenExpired']
并在bootstrap或APP_ROUTER_PROVIDERS
bootstrap(AppComponent, [
{provide: 'tokenExpired', useValue: (a: any, b: any) => tokenExpired()}
{provide: '!tokenExpired', useValue: (a: any, b: any) => !tokenExpired()}
]);
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