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agentic-studio/network-poc/frontend/node_modules/fast-string-width/readme.md
Jaakko Vanhala a8c4af0975 Frontend uudelleenrakennettu: Astro-komponentit, Wasm pääsäikeessä, ei Workeria
Vanha frontend siirretty temp/. Uusi rakenne:
- StatusBar.astro, Terminal.astro, Editor.astro, Guide.astro
- global.css erillinen
- Wasm pääsäikeessä (ei Worker — yksinkertainen, debugattava)
- Tab-completion, dropdown, projektikortti, Monaco, GUIDE.md
- Ei tokenisointia eikä koodilaboratoriota

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-09 20:17:39 +03:00

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# Fast String Width
A fast function for calculating the visual width of a string once printed to the terminal.
See [`fast-string-truncated-width`](https://github.com/fabiospampinato/fast-string-truncated-width) for a lower-level version of this.
## Install
```sh
npm install fast-string-width
```
## Usage
```ts
import fastStringWidth from 'fast-string-width';
// The width of various classes of characters is configurable
const options = {
ansiWidth: 0,
controlWidth: 0,
tabWidth: 8,
ambiguousWidth: 1,
emojiWidth: 2,
fullWidthWidth: 2,
regularWidth: 1,
wideWidth: 2
};
// Calculating the visual width of some strings
fastStringWidth ( 'hello', options ); // => 5
fastStringWidth ( '\x1b[31mhello', options ); // => 5
fastStringWidth ( '👨‍👩‍👧‍👦', options ); // => 2
fastStringWidth ( 'hello👨👩👧👦', options ); // => 7
// Calculating the visual width while tweaking the width of emojis
fastStringWidth ( '👶👶🏽', { ...options, emojiWidth: 1.5 } ); // => 3
```
## License
MIT © Fabio Spampinato