56 lines
1.4 KiB
TypeScript
56 lines
1.4 KiB
TypeScript
"use client";
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import { createContext, useContext, useEffect, useState, ReactNode } from "react";
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type Theme = "light" | "dark";
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interface ThemeContextType {
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theme: Theme;
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toggleTheme: () => void;
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setTheme: (t: Theme) => void;
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}
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const ThemeContext = createContext<ThemeContextType>({
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theme: "light",
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toggleTheme: () => {},
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setTheme: () => {},
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});
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export function useTheme() {
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return useContext(ThemeContext);
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}
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export function ThemeProvider({ children }: { children: ReactNode }) {
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const [theme, setThemeState] = useState<Theme>("light");
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const [mounted, setMounted] = useState(false);
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useEffect(() => {
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setMounted(true);
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const saved = localStorage.getItem("theme") as Theme | null;
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if (saved === "dark" || saved === "light") {
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setThemeState(saved);
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document.documentElement.classList.toggle("dark", saved === "dark");
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}
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}, []);
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const setTheme = (t: Theme) => {
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setThemeState(t);
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localStorage.setItem("theme", t);
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document.documentElement.classList.toggle("dark", t === "dark");
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};
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const toggleTheme = () => {
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setTheme(theme === "light" ? "dark" : "light");
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};
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if (!mounted) {
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return <div className="bg-steel-100 text-steel-900 min-h-screen">{children}</div>;
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}
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return (
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<ThemeContext.Provider value={{ theme, toggleTheme, setTheme }}>
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{children}
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</ThemeContext.Provider>
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);
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}
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