Files
zeekay 16c4453cc1 feat: sync with upstream shadcn/ui (through [email protected])
Squash merge of shadcn-ui/ui main branch into hanzo/ui, bringing in:
- [email protected] through [email protected] releases
- New apps/v4 directory structure
- Registry system improvements and MCP server
- Framework support (Vue, Svelte, React Native)
- New templates (vite-app, monorepo-next, laravel)
- Zod 4 compatibility (scoped override for zod@>4)
- Test fixture corrections for alias resolution

All 867 merge conflicts resolved preserving Hanzo customizations.
1020/1020 shadcn tests pass.
2026-02-09 10:44:26 -08:00

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---
title: Next.js
description: Adding dark mode to your next app.
---
## Dark mode
<Steps>
### Install next-themes
Start by installing `next-themes`:
```bash
npm install next-themes
```
### Create a theme provider
```tsx title="components/theme-provider.tsx"
"use client"
import * as React from "react"
import { ThemeProvider as NextThemesProvider } from "next-themes"
import type { ThemeProviderProps } from "next-themes"
export function ThemeProvider({
children,
...props
}: React.ComponentProps<typeof NextThemesProvider>) {
return <NextThemesProvider {...props}>{children}</NextThemesProvider>
}
```
### Wrap your root layout
Add the `ThemeProvider` to your root layout and add the `suppressHydrationWarning` prop to the `html` tag.
```tsx {1,6,9-14,16} title="app/layout.tsx"
import { ThemeProvider } from "@/components/theme-provider"
export default function RootLayout({ children }: RootLayoutProps) {
return (
<>
<html lang="en" suppressHydrationWarning>
<head />
<body>
<ThemeProvider
attribute="class"
defaultTheme="system"
enableSystem
disableTransitionOnChange
>
{children}
</ThemeProvider>
</body>
</html>
</>
)
}
```
### Add a mode toggle
Place a mode toggle on your site to toggle between light and dark mode.
<ComponentPreview name="mode-toggle" className="[&_.preview]:items-start" />
</Steps>