angular - angular6 功能模块延迟加载抛出错误 TypeError: undefined is not a function
问题描述
我有这段代码app-routing.module.ts
,根据角度的新文档,我通过了该方法仍然无法正常工作,抛出一些我无法理解的错误。
import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { RouterModule, Routes } from "@angular/router";
import { HomeComponent } from "./home/home.component";
import { AdminModule } from "./admin/admin.module";
const routes: Routes = [
{
path: 'admin',
loadChildren: './admin/admin.module#AdminModule'
},
{ path: '', redirectTo: '/home', pathMatch: 'full' },
{ path: 'home', component: HomeComponent },
];
@NgModule({
imports: [
CommonModule,
RouterModule.forRoot(routes)
],
exports: [
RouterModule
],
declarations: []
})
export class AppRoutingModule { }
它会抛出这样的错误。
我也尝试过像这样的 loadchildren 的旧方法'app/admin/admin.module#AdminModule'
。但它仍然无法正常工作。
core.js:1601 ERROR Error: Uncaught (in promise): TypeError: undefined is not a function
TypeError: undefined is not a function
at Array.map (<anonymous>)
at webpackAsyncContext ($_lazy_route_resource lazy namespace object:18)
at SystemJsNgModuleLoader.push../node_modules/@angular/core/fesm5/core.js.SystemJsNgModuleLoader.loadAndCompile (core.js:5569)
at SystemJsNgModuleLoader.push../node_modules/@angular/core/fesm5/core.js.SystemJsNgModuleLoader.load (core.js:5561)
at RouterConfigLoader.push../node_modules/@angular/router/fesm5/router.js.RouterConfigLoader.loadModuleFactory (router.js:3294)
at RouterConfigLoader.push../node_modules/@angular/router/fesm5/router.js.RouterConfigLoader.load (router.js:3282)
at MergeMapSubscriber.project (router.js:1479)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/operators/mergeMap.js.MergeMapSubscriber._tryNext (mergeMap.js:117)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/operators/mergeMap.js.MergeMapSubscriber._next (mergeMap.js:107)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/Subscriber.js.Subscriber.next (Subscriber.js:93)
at Array.map (<anonymous>)
at webpackAsyncContext ($_lazy_route_resource lazy namespace object:18)
at SystemJsNgModuleLoader.push../node_modules/@angular/core/fesm5/core.js.SystemJsNgModuleLoader.loadAndCompile (core.js:5569)
at SystemJsNgModuleLoader.push../node_modules/@angular/core/fesm5/core.js.SystemJsNgModuleLoader.load (core.js:5561)
at RouterConfigLoader.push../node_modules/@angular/router/fesm5/router.js.RouterConfigLoader.loadModuleFactory (router.js:3294)
at RouterConfigLoader.push../node_modules/@angular/router/fesm5/router.js.RouterConfigLoader.load (router.js:3282)
at MergeMapSubscriber.project (router.js:1479)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/operators/mergeMap.js.MergeMapSubscriber._tryNext (mergeMap.js:117)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/operators/mergeMap.js.MergeMapSubscriber._next (mergeMap.js:107)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/Subscriber.js.Subscriber.next (Subscriber.js:93)
at resolvePromise (zone.js:814)
at resolvePromise (zone.js:771)
at zone.js:873
at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:421)
at Object.onInvokeTask (core.js:4062)
at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:420)
at Zone.push../node_modules/zone.js/dist/zone.js.Zone.runTask (zone.js:188)
at drainMicroTaskQueue (zone.js:595)
at ZoneTask.push../node_modules/zone.js/dist/zone.js.ZoneTask.invokeTask [as invoke] (zone.js:500)
at invokeTask (zone.js:1540)
解决方案
我遇到了同样的问题,原因是我在我的应用程序模块中导入了延迟加载的模块。
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