constructor(@Inject(COURSES_SERVICE_TOKEN)privatecoursesService: CoursesService) { ... } ... } 08.ts 正如我们所看到的,显式使用@Inject装饰器允许我们告诉Angular,为了创建这个依赖项,它需要使用关联到COURSES_SERVICE_TOKEN的指定的提供商。 这个注入令牌从Angular的视角,独一无二地识别出一个依赖项类型,这...
第二,即便你是在 AfterViewInit 阶段去拿也不合适,因为这个阶段并不是整个 page 的 DOM 都好了,而且也没有考虑到 SSR 的情况。 所以,正确的做法是 export class AppComponent { constructor() { const hostElement:HTMLElement=inject(ElementRef).nativeElement afterNextRender({ earlyRead: ()=>{returnhostEl...
class B {} class A { constructor(@Inject(B) b) { } } const i = ReflectiveInjector.resolveAndCreate([A, B]); const a = i.get(A); 这里有 A 服务和 B 服务,且 A 服务依赖于 B 服务,当我们把服务提供商传给 resolveAndCreate 方法时,并没有指定两者的依赖关系,那为何注入器知道这个依赖关...
angular ssr访问浏览器api. document export class ExampleComponent { constructor(@Inject(DOCUMENT) document: any) { console.dir(document) } ...
Angular 6是一种流行的前端开发框架,可以用于构建现代化的Web应用程序。要使用Angular 6实现LoginComponent,可以按照以下步骤进行: 安装Angular CLI:Angular CLI是一个命令行工具,用于创建和管理Angular项目。可以使用以下命令全局安装Angular CLI: 代码语言:txt 复制 npm install -g @angular/cli 创建新的Angular项目:使...
Current Behavior After migrating NX from 16.2.2 -> 16.8.1 our remote (using module federation) applications failes with this error: NG0203: inject() must be called from an injection context such as a constructor, a factory function, a fi...
function TodosComponent_Factory(t) { return new (t || TodosComponent)(directiveInject(Store)...
NG0203: inject() must be called from an injection context such as a constructor, a factory function, a field initializer, or a function used with `runInInjectionContext`. Find more at https://angular.io/errors/NG0203 Please provide the environment you discovered this bug in (runng version...
exportclassAppComponentimplementsOnInit {constructor(@Inject(MSAL_GUARD_CONFIG)privatemsalGuardConfig: MsalGuardConfiguration,privateauthService: MsalService,privatemsalBroadcastService: MsalBroadcastService) {} ngOnInit():void{ login() {if(this.msalGuardConfig.interactio...
import{Injectable}from'@angular/core';@Injectable()exportclassConfigService{constructor(){}publicgetgetAdalConfig():any{return{tenant:'ENTER YOUR TENANT ID',clientId:'ENTER YOUR CLIENT ID',redirectUri:window.location.origin+'/',postLogoutRedirectUri:window.location.origin+'/'};}} ...