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DynamicCompStruct

  • Component templates are not always fixed. An application may need to load new components at runtime.
  • We can use ComponentFactoryResolver to add components dynamically.

DynamicComponentInjectorService

  • To create container to append dynamic component.
<ng-container #cont></ng-container>
 @ViewChild("cont", { read: ViewContainerRef }) container: ViewContainerRef;
  • Import the below file.
import { DynamicComponentInjectorService } from 'src/app/services/dynamic-component-injector.service';
  • To add the component dynamically.
  let component = this.componentInjector.injectComponent(this.controlTypeId, this.options, this.container);
  • To add @input() inside dynamic component.
  if (component) {
        this.component = component.component;
        this.cdRef.detectChanges();
        for (let key in component.element.instance) {
          if (component.element.instance.hasOwnProperty(key + "Change")) {
              component.element.instance[key + "Change"].subscribe((val) => {
              this.options[key] = val;
              this.optionsChange.emit(this.options);
            });
          }
        }
     }

Click Below for Demo

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