clsx
A small utility for composing conditional CSS class names.
What it does
A small utility for composing conditional CSS class names.
When it fits
Building className values from component states and optional styles.
Other options in this category
- chroma.js — Generating palettes and color scales for interfaces or charts.
- Class Variance Authority — Managing size, color, and state variants in a component system.
- CSS Modules — Writing stylesheets without exposing every class name globally.
- Emotion — Building component-level styles with a flexible CSS-in-JS API.
- Fancy ANSI — Showing colored command output inside browser-based interfaces.
Source
Editorial overview reviewed on October 24, 2026. Follow the source for current setup, compatibility, and licensing.