CASL 4.0 subject type detection for POJO

ability.js

import { defineAbility, subject as an } from '@casl/ability';

const object = {
  title: 'My article', 
  description: '...',
};

ability.can('read', an('Article', object));

// or

const article = an.bind(null, 'Article');
ability.can('read', article(object));