What defines the category of a component in Angular 13?

As I work on creating a component that accepts another component as an input, I encountered a situation where I needed to define the input type correctly. You can check out a demo of this in action here on StackBlitz. In the @Input() section of the ParentComponent, you'll notice it's declared as:

@Input() ComponentToEmbed : eComponentType<Component>;

While researching, I stumbled upon a question on StackOverflow from several years ago suggesting the use of ComponentType<T>. Despite my efforts in trying this, I couldn't find ComponentType available in Angular 13. When consulting the documentation, there was no mention of ComponentType<T>. Can anyone guide me on how to properly type the @Input()?

angulartypescript

Answer №1

ComponentType<T> is a key feature of Angular Material CDK library

// This interface allows for generic typing of a class.
export interface ComponentType<T> {
    new (...args: any[]): T;
}

Answer №2

From observing your stackblitz sample, it appears that utilizing Type<Component> will provide the desired solution.

import { Type } from '@angular/core';
...

@Input() ComponentToInject : Type <Component>;
...

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