isSubclass Available since v0.9

Determine if target class is a subclass (child class) of given superclass (parent class).

It accepts the following arguments:

• target: object - The target.
• superclass: ConstructorOrAbstractConstructor - The superclass.

import { isSubclass } from '@aedart/support/reflections';

class A {}

class B extends A {}

isSubclass({}, A); // false
isSubclass(A, A); // false
isSubclass(A, B); // false

isSubclass(B, A); // true