Angular 从 API $$_lazy_route_resource 加载路由惰性递归错误

Question

我收到错误：找不到模块

'src/app/settings/settings.module'.
    at eval (eval at ./src/$$_lazy_route_resource lazy recursive

尝试从我的 api 添加延迟加载模块时。让我难以调试的是，当我在 StackBlitz 上尝试这个时，它似乎工作得很好。这是我项目的 link：Dynamic routes from API 但是，当我将项目移出 StackBlitz 并在我的电脑上重新创建它时，出现错误。

值得一提的是，当我发布来自下面 API 的路由时，您会看到它们在延迟加载模块的 'app' 之前包含 'src'（ settings.module) 这样做只是因为 StackBlitz 有一个嵌套的 'src' 文件夹。此外，如果您尝试导出我的项目，则需要将目录 'src' 添加到 angular-cli.json 文件的 'main' 属性中。我不确定这会如何影响模块。我已经做了好几天了，如果有任何帮助，我们将不胜感激。

我正在使用这样的服务：

import {
  Injectable,
  Compiler,
  NgModuleFactory,
  NgModuleFactoryLoader,
  Injector,
  NgModuleRef,
} from '@angular/core';
import { Router } from '@angular/router';
import { ApiRoute } from '../models/apiroutes.interface';

@Injectable()
export class ModuleFactoryLoader {
  private moduleRef: NgModuleRef<any>;
  constructor(
    private loader: NgModuleFactoryLoader,
    private injector: Injector,
    private router: Router,
  ) {
  }

  load(apiRoute: ApiRoute): void {
    this.loader.load(apiRoute.loadChildren).then(moduleFactory => {
      this.moduleRef = moduleFactory.create(this.injector).instance;
      this.router.config.unshift({
        path: apiRoute.path,
        loadChildren: apiRoute.loadChildren,
      });
      console.debug('moduleRef', this.moduleRef);
    }).catch(err => {
        console.error('error loading module', err);
      });
  }
}

来自我的（模拟）api 的路线是：

[
{
path: "test",
component: "TestComponent",
data: {
icon: "check"
}
},
{
path: "settings",
loadChildren: "src/app/settings/settings.module#SettingsModule"
},
{
path: "home",
component: "HomeComponent",
data: {
icon: "home"
}
},
{
path: "self-service",
component: "RouteSelfServiceComponent",
data: {
icon: "build"
}
}
]

我电脑上Angular运行的版本是：

Angular CLI: 6.0.8 Node: 8.9.1 OS: win32 x64 Angular: ...

Package Version ------------------------------------------------------ @angular-devkit/architect 0.6.8 @angular-devkit/core 0.6.8 @angular-devkit/schematics 0.6.8 @schematics/angular 0.6.8 @schematics/update 0.6.8 rxjs 6.2.1 typescript 2.7.2

package.json:

{
  "name": "angular-template",
  "description": "",
  "homepage": "https://stackblitz.com/edit/angular-dynamic-components-and-routes",
  "dependencies": {
    "@angular/animations": "6.0.5",
    "@angular/cdk": "6.3.0",
    "@angular/common": "6.0.0",
    "@angular/compiler": "6.0.0",
    "@angular/core": "6.0.0",
    "@angular/forms": "6.0.0",
    "@angular/http": "^5.0.0",
    "@angular/material": "6.3.0",
    "@angular/platform-browser": "6.0.0",
    "@angular/platform-browser-dynamic": "6.0.0",
    "@angular/router": "6.0.0",
    "core-js": "2.5.5",
    "file-system": "2.2.2",
    "fs": "0.0.2",
    "path": "0.12.7",
    "rxjs": "6.1.0",
    "util": "0.11.0",
    "zone.js": "0.8.26"
  },
  "version": "0.0.0",
  "license": "MIT",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "devDependencies": {
    "@angular-devkit/build-angular": "~0.6.8",
    "@angular/cli": "^6.0.8",
    "@angular/compiler-cli": "^1.7.4",
    "@angular/language-service": "^5.0.0",
    "@types/jasmine": "~2.5.53",
    "@types/jasminewd2": "~2.0.2",
    "@types/node": "~6.0.60",
    "angular-router-loader": "^0.8.5",
    "codelyzer": "~3.0.1",
    "jasmine-core": "~2.6.2",
    "jasmine-spec-reporter": "~4.1.0",
    "karma": "~1.7.0",
    "karma-chrome-launcher": "~2.1.1",
    "karma-cli": "~1.0.1",
    "karma-coverage-istanbul-reporter": "^1.2.1",
    "karma-jasmine": "~1.1.0",
    "karma-jasmine-html-reporter": "^0.2.2",
    "protractor": "~5.1.2",
    "ts-node": "~3.0.4",
    "tslint": "~5.3.2",
    "typescript": "~2.4.2"
  }
}

这是产生的错误（错误仅在本地发生。在 StackBlitz 上没有问题）：

Answer 1

您无法使用 Angular CLI 实现您想实现的目标，因为 Angular CLI 构建不会编译未引用的模块。

构建项目时，没有与 SettingsModule 关联的 JS 块，除非我们在 before 运行时定义路由。

我找到了一个演示项目，可以执行您尝试执行的操作here，但它不使用 Angular CLI 构建，而是使用 tsc && concurrently \"tsc -w\" \"http-server . -c-1 \"。

而且我不知道 StackBlitz 使用哪个构建管道，但肯定不是 Angular CLI。

您可以只尝试 typescript 编译，但它不会解决 AOT 生产构建的问题，您将被迫使用自己的自定义构建

Answer 2

我设法让它在本地工作，这是我所做的：

ng new myFirstApp

然后我复制了新的angular6项目中的app文件夹，并将angular-cli.json重命名为angular.json

和路由器一样-loader.service.ts我不能让它工作API_ENDPOINTS我复制了内容

 of([
    {
      "path": "test",
      "component": "TestComponent",
      "data": {
        "icon": "check"
      }
    },
    {
      "path": "settings",
      "loadChildren": "src/app/settings/settings.module#SettingsModule"
    },
    {
      "path": "home",
      "component": "HomeComponent",
      "data": {
        "icon": "home"
      }
    },
    {
      "path": "self-service",
      "component": "RouteSelfServiceComponent",
      "data": {
        "icon": "build"
      }
    }
  ])
.toPromise()...

我推到了 github

https://github.com/antoniocasino/dynamicly-load-modules

Angular 从 API $$_lazy_route_resource 加载路由惰性递归错误

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Angular 从 API $$_lazy_route_resource 加载路由惰性递归错误