Setting up constants via proxies — 2ality.com

In this blog post, a describe a little hack for quickly setting up constants (think enum values, but not wrapped inside a namespace). It is more an educational puzzle than something you should actually use in your code. As an example, consider the following TypeScript enum (JavaScript itself does not have enums): I usually prefer to use strings as enum values, because they are easier to debug: You can achieve something similar in JavaScript as follows.

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