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`charWidth(codePoint)` detects width-2 glyphs, and writes a placeholder empty cell after them, which keeps cursor math, wrapping, and diffs stable across frames.

Layout uses a small constraint solver:
`Length`, `Percentage`, `Ratio`, `Min`, `Max`, `Fill`

`splitLayout` does two passes:

Diffs are structural (symbol + colors + modifiers), so unchanged cells never hit the draw path.

Wide-char correctness is built in (CJK/fullwidth).

3) draw only changed cells
4) flush
5) swap buffers
6) clear next write buffer

So terminal I/O scales with what changed, not with full screen size every frame.

Cell model is tiny but expressive:
- `symbol`
- `fg` / `bg` / optional `underlineColor`
- `modifier` bitmask

Core pipeline:
Backend -> Terminal -> Frame -> Buffer -> Cells

Widgets are pure render functions:
`(area: Rect, buf: Buffer) => void`

No classes, no `this`, no hidden mutable UI tree.

Frame loop is intentionally minimal:
1) render into current buffer
2) diff previous vs current (`bufferDiff`)

Introducing `terminui` 📟
A fast, double buffered toolkit for building terminal UIs.

I wanted a TUI toolkit with a small core model, predictable double buffered rendering (only changed cells flush), and strict types. 

Built with Command Code using my code and cli taste.

actually I think it'd work better as an anthology, like

*Deprecated: a collection of essays by software engineers about the existential crisis brought on by LLMs*

I like the name Deep Blue because sometimes it really does get me down, blue

I have those "pangs of Deep Blue" as Simon calls them almost weekly

just listened to this and had an idea for a book I hope someone writes titled *Deprecated* 

with a subtitle something like *the software engineering identity crisis*

Thanks, and good eye! I think it was the first software engineering book I ever read :)

AI is leverage.

Same hours.
10x output.

The people using AI daily will outbuild, outlearn, and outpace everyone else. Not because they are smarter. Because they are amplified.

Ignore it and you compete with people who have superpowers.

Are you using it every day?

yeah, multiformats is cool at least

they incinerated a bajillion dollars creating tech that didn't work, then created a crypto coin which incinerated even more money, hyping the thing up based on things it never could do, built a mess of projects that will never be finished

every day i'm trying to be positive about technology but reality is making that hard

i've been hating on ipfs for a decade now, but for the first time i'm encountering it in the wild, and it's being used to host malware payloads so i hate it even more

And yes, we made a banana rocket graphic with it, because obviously. 🍌

If you have been looking for a clean way to generate images inside a Netlify Function, this is a great new option to play with.