Handling Money in JavaScript Safely
Integer cents, decimal libraries, and the one-line rounding bug that cost us a remarkably long afternoon.
This is placeholder body copy. In a real post there would be an argument here, built one paragraph at a time, with the kind of small detours that make a technical essay feel like it was written by an actual human.
The repository this page lives in exists to demonstrate behavior of the Next.js router, so the content is intentionally boring. Any similarity to real insight is entirely coincidental, if occasionally welcome.
If you are reading this from a prefetch-triggered hover, congratulations, the link worked. If you are reading it after a full navigation, that also counts, and you have learned something about how caches behave under load.
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