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ThemeContext.tsx
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48 lines (38 loc) · 1.25 KB
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import React, { createContext, useState, useContext, useEffect } from "react";
type ThemeMode = "light" | "dark";
interface ThemeContextType {
colorMode: ThemeMode;
setColorMode: (mode: ThemeMode) => void;
toggleColorMode: () => void;
}
const ThemeContext = createContext<ThemeContextType>({
colorMode: "light",
setColorMode: () => {},
toggleColorMode: () => {},
});
export const ThemeProvider: React.FC<{ children: React.ReactNode }> = ({
children,
}) => {
const [colorMode, setColorMode] = useState<ThemeMode>(() => {
const savedTheme = localStorage.getItem("feast-theme");
return (savedTheme === "dark" ? "dark" : "light") as ThemeMode;
});
useEffect(() => {
localStorage.setItem("feast-theme", colorMode);
if (colorMode === "dark") {
document.body.classList.add("euiTheme--dark");
} else {
document.body.classList.remove("euiTheme--dark");
}
}, [colorMode]);
const toggleColorMode = () => {
setColorMode((prevMode) => (prevMode === "light" ? "dark" : "light"));
};
return (
<ThemeContext.Provider value={{ colorMode, setColorMode, toggleColorMode }}>
{children}
</ThemeContext.Provider>
);
};
export const useTheme = () => useContext(ThemeContext);
export default ThemeContext;