Thomas Barrasso A practical guide to Javascript Proxy (ES6 Proxy) https://blog.bitsrc.io/a-practical-guide-to-es6-proxy-229079c3c2f0
Gergo Bogdan https://github.com/gergob/jsProxy
- Default / "Zero Values"
const withZeroValue = (target, zeroValue) => new Proxy(target, {