50 lines
1.2 KiB
TypeScript
50 lines
1.2 KiB
TypeScript
"use client";
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import { createContext, useContext, useEffect, useState } from "react";
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type Theme = "dark" | "light";
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interface ThemeContextType {
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theme: Theme;
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toggle: () => void;
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}
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const ThemeContext = createContext<ThemeContextType>({
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theme: "dark",
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toggle: () => {},
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});
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export function ThemeProvider({ children }: { children: React.ReactNode }) {
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const [theme, setTheme] = useState<Theme>("dark");
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useEffect(() => {
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const stored = localStorage.getItem("wyview-theme") as Theme | null;
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if (stored) setTheme(stored);
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}, []);
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useEffect(() => {
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const root = document.documentElement;
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if (theme === "light") {
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root.classList.add("light");
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root.classList.remove("dark");
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} else {
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root.classList.add("dark");
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root.classList.remove("light");
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}
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localStorage.setItem("wyview-theme", theme);
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}, [theme]);
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const toggle = () => setTheme((t) => (t === "dark" ? "light" : "dark"));
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return (
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<ThemeContext.Provider value={{ theme, toggle }}>
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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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return useContext(ThemeContext);
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}
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