Ultra-lightweight chunker library with emoji support
I kept rewriting the same array.slice(i, i + n) logic in every project. Eventually, I decided to stop and just make a utility. Chonkify is a small (~870B), zero-dependency JS/TS library for chunking any kind of data: - Works with Array, String, Buffer, Set, Map, Array-like, TypedArray - Handles AsyncIterable (great for batching streams) - Unicode-safe (correctly handles grapheme clusters, emoji, etc.) - ESM-first, TypeScript-ready I mostly made it for myself, but figured others might find it useful too. Would love feedback!
In plain words
Chonkify is a lightweight JavaScript and TypeScript library for dividing data into chunks. It works with arrays, strings, buffers, sets, maps, and async iterables, making it useful for batching streams and processing large datasets. The library correctly handles Unicode characters and emoji, weighs approximately 870 bytes, has no dependencies, and is built for modern ESM environments. It was created to eliminate repetitive chunking logic across projects.
written from the facts on this page · September 2026
More work this month
the category →
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Hey HN! Pilots everywhere are required to keep a logbook of all their flying hours, aircraft, airports, and so on. Since I track everything digitally (some people still just use paper logbooks!), I put together some data visualizations and a few 3D globes to show my flying history. This globe is probably my favourite so far: https://jameshard.ing/pilot/globes/all If you’ve got ideas for other graphs or ways to show this kind of data, I’d love to hear them!
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I was the main contributor to workout.lol, an open-source fitness app to easily build a workout routine. The project had traction (1.4k GitHub stars, 95 forks, ~20K visits/month), but was eventually sold due to video licensing hurdles. The new owner stopped maintaining it, and the repo went abandoned. Over the next 9 months, I sent 15 emails to try to save it : no replies. Feature requests & issues were ignored. The community was left with a "broken" tool let's say. I couldn't just let it die So I built the new version from scratch with the same open-source spirit, but a better…
Dev tools · 2025 · github.com