Sometimes, we want to add types to class constructor in TypeScript.
In this article, we’ll look at how to add types to class constructor in TypeScript.
How to add types to class constructor in TypeScript?
To add types to class constructor in TypeScript, we can use the typeof operator to get the type from the class.
For instance, we write
class Zoo {
constructor(public AnimalClass: typeof Animal) {
const a = new AnimalClass();
}
}
to use typeof Animal to return the type for the Animal class automatically.
Then we can assume that AnimalClass is the Animal class and instantiate it in the constructor.
Conclusion
To add types to class constructor in TypeScript, we can use the typeof operator to get the type from the class.
