/Javascript/AngularJS/Angular attach component to body

Angular attach component to body

import {
    Injectable,
    Injector,
    ComponentFactoryResolver,
    EmbeddedViewRef,
    ApplicationRef,
    ComponentRef
} from '@angular/core';
import { ModalComponent } from './modal.component';
@Injectable({
  providedIn: 'root'
})
export class ModalService {
  constructor(
      private componentFactoryResolver: ComponentFactoryResolver,
      private appRef: ApplicationRef,
      private injector: Injector
  ) { }
  appendComponentToBody(component: any) {
    // Create a component reference from the incoming component 
    let componentRef = this.componentFactoryResolver
      .resolveComponentFactory(component)
      .create(this.injector);
    // Attach incoming component to the appRef so that it's inside the ng component tree
    this.appRef.attachView(componentRef.hostView);
    // Get DOM element from incoming component
    let contentElem = (componentRef.hostView as EmbeddedViewRef<any>)
      .rootNodes[0] as HTMLElement;
    // Create a component reference from the service component 
    let componentRefer = this.componentFactoryResolver
      .resolveComponentFactory(ModalComponent)
      .create(this.injector);
    // Attach component to the appRef so that it's inside the ng component tree
    this.appRef.attachView(componentRefer.hostView);
    // Get DOM element from service component
    let domElem = (componentRefer.hostView as EmbeddedViewRef<any>)
      .rootNodes[0] as HTMLElement;
    // Append DOM element to the body
    document.body.appendChild(domElem);
    // Add incoming component to modal component
    domElem.querySelector('#Modal').appendChild(contentElem);
  }
}

Source: stackoverflow.com

Similar codes

1 vote291 views4 answers
Angular 11 features
Javascript AngularJS
6 votes287 views2 answers
Angular dynamic class
Javascript AngularJS
-1 vote454 views1 answer
An unhandled exception occurred: ENOENT: no such file or directory, lstat 'C:\Users\hp\Desktop\New folder\node_modules' See "C:\Users\hp\AppData\Local\Temp\ng-uhxyh2\angular-errors.log" for further details.
Javascript AngularJS
10 votes325 views3 answers
Angular create service command line
Javascript AngularJS
0 vote287 views1 answer
Angular array export to excel
Javascript AngularJS
0 vote301 views1 answer
Can we get the value of form control after disabling it angular
Javascript AngularJS
0 vote280 views1 answer
Value should be numeric in angular check
Javascript AngularJS
27 votes384 views6 answers
How to make a component reload in angular
Javascript AngularJS
0 vote267 views1 answer
Angular UI datepicker is getting wrong date
Javascript AngularJS
1 vote299 views2 answers
Change font size of angular material tooltip
Javascript AngularJS