shadcn-ui/cn

cn is a new engine for Tailwind class merging and conflict resolution. It replaces tailwind-merge and clsx. Same APIs. Full parity. And it is 30× faster.

Web & frontendTypeScript#clsx#cn#shadcn#tailwind-merge#tailwindcss

1.8 Cooling Magnitude out of 10. Star growth looks organic. Data as of September 14, 2026.

Open on Seismograph Open on GitHub

About the project

An engine for Tailwind class merging and conflict resolution that replaces tailwind-merge and clsx with the same APIs and full parity, but 30× faster.

Useful for

Replace tailwind-merge and clsx in an existing project with one migration command
Speed up component rendering with frequent cn() calls in large codebases
Configure custom Tailwind classes via createCn with extend and prefix

README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.

Why it’s trending

21 stars today.
Interest is fading: the two-day pace is 11% of the previous week and a half.
The repository is 13 days old and already has 1,452 stars.
Top new repositories this month: #44.
Recent forks include notable developers: @aidenybai (5,807 followers), @TheAlexLichter (2,015 followers), @JoviDeCroock (764 followers).

Stars per day

Bars are daily stars, the line is the usual pace. Red marks spike days.

Numbers

Total stars: 1,452
Stars in a day: 21
Forks: 15
Issues and pull requests: 32
Watchers: 0
Language: TypeScript
License: MIT
Latest release: [email protected] · September 12, 2026
Created: August 31, 2026
Last push: September 12, 2026

Star trust

Star growth looks organic. The magnitude is lowered, not zeroed:

Fewer forks than usual: 15 for 1,452 stars.

These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.

Spotted in

September 13, 2026Top new repositories this month: #44

README badge

Paste it into your README — the badge shows the current magnitude and links to this page.

[![Seismograph](https://gitnova.dev/badge/shadcn-ui/cn.svg?lang=en)](https://gitnova.dev/en/r/shadcn-ui/cn)

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