Add: theme selector

This commit is contained in:
Aroy-Art 2025-03-17 10:24:05 +01:00
parent 19bde0731a
commit 11ce69eaca
Signed by: Aroy
GPG key ID: 583642324A1D2070
2 changed files with 113 additions and 0 deletions

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import { Moon, Sun } from "lucide-react"
import { Button } from "@/components/ui/button"
import {
DropdownMenu,
DropdownMenuContent,
DropdownMenuItem,
DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu"
import { useTheme } from "@/components/ThemeProvider"
export function LightModeToggle() {
const { setTheme } = useTheme()
return (
<DropdownMenu>
<DropdownMenuTrigger asChild>
<Button variant="link" size="icon">
<Sun className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
<Moon className="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
<span className="sr-only">Toggle theme</span>
</Button>
</DropdownMenuTrigger>
<DropdownMenuContent align="end">
<DropdownMenuItem onClick={() => setTheme("light")}>
Light
</DropdownMenuItem>
<DropdownMenuItem onClick={() => setTheme("dark")}>
Dark
</DropdownMenuItem>
<DropdownMenuItem onClick={() => setTheme("system")}>
System
</DropdownMenuItem>
</DropdownMenuContent>
</DropdownMenu>
)
}
export default LightModeToggle

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import { createContext, useContext, useEffect, useState } from "react"
type Theme = "dark" | "light" | "system"
type ThemeProviderProps = {
children: React.ReactNode
defaultTheme?: Theme
storageKey?: string
}
type ThemeProviderState = {
theme: Theme
setTheme: (theme: Theme) => void
}
const initialState: ThemeProviderState = {
theme: "system",
setTheme: () => null,
}
const ThemeProviderContext = createContext<ThemeProviderState>(initialState)
export function ThemeProvider({
children,
defaultTheme = "system",
storageKey = "vite-ui-theme",
...props
}: ThemeProviderProps) {
const [theme, setTheme] = useState<Theme>(
() => (localStorage.getItem(storageKey) as Theme) || defaultTheme
)
useEffect(() => {
const root = window.document.documentElement
root.classList.remove("light", "dark")
if (theme === "system") {
const systemTheme = window.matchMedia("(prefers-color-scheme: dark)")
.matches
? "dark"
: "light"
root.classList.add(systemTheme)
return
}
root.classList.add(theme)
}, [theme])
const value = {
theme,
setTheme: (theme: Theme) => {
localStorage.setItem(storageKey, theme)
setTheme(theme)
},
}
return (
<ThemeProviderContext.Provider {...props} value={value}>
{children}
</ThemeProviderContext.Provider>
)
}
export const useTheme = () => {
const context = useContext(ThemeProviderContext)
if (context === undefined)
throw new Error("useTheme must be used within a ThemeProvider")
return context
}