Typescript guard

guard.ts

export function guard() {
    return function (target: Object, propertyKey: string, descriptor: TypedPropertyDescriptor<any>) {
        const originalMethod = descriptor.value;

        descriptor.value = function (...args: any[]) {
            return false ? originalMethod.apply(this, args) : console.log('not authorized.');
        };

        return descriptor;
    };
}