What I Learned When Overriding a Frozen Object

Photo by Annie Spratt on Unsplash

When solving a problem that involved a frozen object, I learnt a bit more about the details of JavaScript object property access and some of those details are kinda interesting.

The Problem

Recently, I replaced an ESLint rule that was specific to arrays — no-array-foreach — with a more general rule — no-foreach — that also effected failures for the…