refactor: dark mode

web/src/context/Theme/index.js

@@ -0,0 +1,36 @@
+import { createContext, useCallback, useContext, useState } from 'react';
+
+const ThemeContext = createContext(null);
+export const useTheme = () => useContext(ThemeContext);
+
+const SetThemeContext = createContext(null);
+export const useSetTheme = () => useContext(SetThemeContext);
+
+export const ThemeProvider = ({ children }) => {
+  const [theme, _setTheme] = useState(() => {
+    try {
+      return localStorage.getItem('theme-mode') || null;
+    } catch {
+      return null;
+    }
+  });
+
+  const setTheme = useCallback((input) => {
+    _setTheme(input ? 'dark' : 'light');
+
+    const body = document.body;
+    if (!input) {
+      body.removeAttribute('theme-mode');
+      localStorage.setItem('theme-mode', 'light');
+    } else {
+      body.setAttribute('theme-mode', 'dark');
+      localStorage.setItem('theme-mode', 'dark');
+    }
+  }, []);
+
+  return (
+    <SetThemeContext.Provider value={setTheme}>
+      <ThemeContext.Provider value={theme}>{children}</ThemeContext.Provider>
+    </SetThemeContext.Provider>
+  );
+};