@buka/nestjs-type-helper/dist/esm/src/utils/is-subclass-of.js

An easy to use nestjs config module

export function isSubclassOf(target, base) {
    let proto = target.prototype;
    while (proto) {
        if (proto === base.prototype) {
            return true;
        }
        proto = Object.getPrototypeOf(proto);
    }
    return false;
}