31 lines
877 B
TypeScript
Executable File
31 lines
877 B
TypeScript
Executable File
import { createContext, useContext, useState, useEffect, type ReactNode } from "react";
|
|
import { createElement } from "react";
|
|
|
|
type Theme = "dark" | "light";
|
|
|
|
interface ThemeCtx {
|
|
theme: Theme;
|
|
toggle: () => void;
|
|
}
|
|
|
|
const ThemeContext = createContext<ThemeCtx>({ theme: "dark", toggle: () => {} });
|
|
|
|
export function ThemeProvider({ children }: { children: ReactNode }) {
|
|
const [theme, setTheme] = useState<Theme>(() => {
|
|
return (localStorage.getItem("rh_theme") as Theme) ?? "dark";
|
|
});
|
|
|
|
useEffect(() => {
|
|
document.documentElement.dataset.theme = theme;
|
|
localStorage.setItem("rh_theme", theme);
|
|
}, [theme]);
|
|
|
|
const toggle = () => setTheme((t) => (t === "dark" ? "light" : "dark"));
|
|
|
|
return createElement(ThemeContext.Provider, { value: { theme, toggle } }, children);
|
|
}
|
|
|
|
export function useTheme(): ThemeCtx {
|
|
return useContext(ThemeContext);
|
|
}
|