Components in Angular v12

component12.ts

@Directive({ … })
export class MyDirective {
    constructor(private viewContainerRef: ViewContainerRef,
                private componentFactoryResolver: 
                        ComponentFactoryResolver) {}
    createMyComponent() {
        const componentFactory = this.componentFactoryResolver.
                             resolveComponentFactory(MyComponent);
    
        this.viewContainerRef.createComponent(componentFactory);
    }
}