47 lines
1.2 KiB
TypeScript
47 lines
1.2 KiB
TypeScript
"use client";
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import React, { createContext, useContext, useEffect, useState } from "react";
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type Theme = "light" | "dark";
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const ThemeContext = createContext<{
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theme: Theme;
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setTheme: (theme: Theme) => void;
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toggleTheme: () => void;
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} | null>(null);
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const STORAGE_KEY = "techwix-theme";
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export function ThemeProvider({ children }: { children: React.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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const isDark = document.documentElement.classList.contains("dark");
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setThemeState(isDark ? "dark" : "light");
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setMounted(true);
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}, []);
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const setTheme = (next: Theme) => {
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setThemeState(next);
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localStorage.setItem(STORAGE_KEY, next);
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document.documentElement.classList.toggle("dark", next === "dark");
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};
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const toggleTheme = () => {
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setTheme(theme === "dark" ? "light" : "dark");
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};
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return (
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<ThemeContext.Provider value={{ theme, setTheme, toggleTheme }}>
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{children}
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</ThemeContext.Provider>
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);
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}
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export function useTheme() {
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const ctx = useContext(ThemeContext);
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if (!ctx) throw new Error("useTheme must be used within ThemeProvider");
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return ctx;
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}
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