Hi Joel, first of all thanks to sharing this!
Sergio Adaberto Minutoli
2

You are absolutely correct!

I believe those are remnants due to my conversion to ES6 from my code here:

In this library I didn’t want to transpile, so I wrote it to be node friendly. But the article I preferred to write ES6. I will update the article.

Thanks for pointing that out!

Cheers!

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