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ThemeProvider.tsx
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54 lines (47 loc) · 1.5 KB
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import React, { createContext, useContext, useState, useEffect } from "react";
interface ThemeContextProps {
darkMode: boolean;
toggleDarkMode: () => void;
}
const ThemeContext = createContext<ThemeContextProps | undefined>(undefined);
export const ThemeProvider: React.FC<{ children: React.ReactNode }> = ({
children,
}) => {
const [darkMode, setDarkMode] = useState<boolean>(false);
// 페이지 로드 시 저장된 테마 상태를 로드합니다
useEffect(() => {
const savedTheme = localStorage.getItem("darkMode") === "true";
setDarkMode(savedTheme);
if (savedTheme) {
document.documentElement.classList.add("dark");
} else {
document.documentElement.classList.remove("dark");
}
}, []);
// 다크 모드 토글 함수
const toggleDarkMode = () => {
setDarkMode((prev) => {
const newDarkMode = !prev;
localStorage.setItem("darkMode", newDarkMode.toString());
if (newDarkMode) {
document.documentElement.classList.add("dark");
} else {
document.documentElement.classList.remove("dark");
}
return newDarkMode;
});
};
return (
<ThemeContext.Provider value={{ darkMode, toggleDarkMode }}>
{children}
</ThemeContext.Provider>
);
};
// 커스텀 훅으로 Context를 쉽게 사용할 수 있게 합니다
export const useTheme = () => {
const context = useContext(ThemeContext);
if (!context) {
throw new Error("useTheme must be used within a ThemeProvider");
}
return context;
};