Stress Testing React Easy State (with exotic state structures and mutations)

React Easy State (https://github.com/solkimicreb/react-easy-state) is a transparent - ES6 Proxy based - state management library for ReactJS. The marketing pitch of the project is this:

> It doesn't matter how you structure or mutate your state stores, any syntactically valid code works.

In this article, I try to prove this with a simple app and increasingly exotic state structures and mutations.