93 lines
2.0 KiB
TypeScript
93 lines
2.0 KiB
TypeScript
"use client";
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import { Moon, Sun } from "lucide-react";
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import {
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createContext,
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type ReactNode,
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useContext,
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useMemo,
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useState,
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} from "react";
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import { Button } from "@/components/ui/button";
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import { cn } from "@/lib/utils";
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type DashboardTheme = "light" | "dark";
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type DashboardThemeContextValue = {
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theme: DashboardTheme;
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toggleTheme: () => void;
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};
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const storageKey = "webdev-dashboard-theme";
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const DashboardThemeContext =
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createContext<DashboardThemeContextValue | null>(null);
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export function DashboardThemeProvider({ children }: { children: ReactNode }) {
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const [theme, setTheme] = useState<DashboardTheme>(() => {
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if (typeof window === "undefined") {
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return "light";
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}
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const storedTheme = window.localStorage.getItem(storageKey);
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if (storedTheme === "dark" || storedTheme === "light") {
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return storedTheme;
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}
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return "light";
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});
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const value = useMemo<DashboardThemeContextValue>(
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() => ({
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theme,
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toggleTheme: () => {
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setTheme((currentTheme) => {
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const nextTheme = currentTheme === "dark" ? "light" : "dark";
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window.localStorage.setItem(storageKey, nextTheme);
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return nextTheme;
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});
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},
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}),
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[theme],
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);
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return (
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<DashboardThemeContext.Provider value={value}>
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<div
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suppressHydrationWarning
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className={cn(
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"min-h-dvh bg-background text-foreground md:flex",
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theme === "dark" && "dark",
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)}
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>
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{children}
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</div>
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</DashboardThemeContext.Provider>
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);
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}
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export function DashboardThemeToggle() {
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const context = useContext(DashboardThemeContext);
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if (!context) {
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return null;
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}
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const isDark = context.theme === "dark";
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const Icon = isDark ? Sun : Moon;
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return (
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<Button
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className="w-full justify-start"
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variant="ghost"
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onClick={context.toggleTheme}
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aria-pressed={isDark}
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>
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<Icon />
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{isDark ? "Hellmodus" : "Dunkelmodus"}
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</Button>
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);
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}
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