---
title: "Utilities"
description: "Utility helpers. `cn` merges Tailwind class strings with conflict resolution."
section: "Libraries"
group: "UI components"
order: 526
---

## Usage

```tsx
import { cn } from "@aeontel/ui";

<div className={cn("rounded-md border p-4", error && "border-destructive")}>
  Content.
</div>;
```

## Exports

### `cn`

Merge Tailwind class strings with conflict resolution.

```ts
cn(...classes: ClassValue[]): string
```