Alex MacArthur

It’s hard to imagine writing production-ready JavaScript without a tool like Babel. It’s been an undisputed game-changer in making modern code accessible to a wide range of users. With this challenge largely out of the way, there’s not much holding us back from really leaning into the features that modern specifications have to offer.

But at the same time, we don’t want to lean in too hard. If you take an occasional peek into the code your users are … Read article “Avoid Heavy Babel Transformations by (Sometimes) Not Writing Modern JavaScript”

Writing asynchronous JavaScript without using the Promise object is a lot like baking a cake with your eyes closed. It can be done, but it’s gonna be messy and you’ll probably end up burning yourself.

I won’t say it’s necessary, but you get the idea. It’s real nice. Sometimes, though, it needs a little help to solve some unique challenges, like when you’re trying to sequentially resolve a bunch of promises in order, one after the other. A trick … Read article “Why Using reduce() to Sequentially Resolve Promises Works”