import { useState, useEffect } from 'react'; export function getStorageValue (key: string, defaultValue: any) { if (typeof window !== 'undefined') { const saved = localStorage.getItem(key); return saved || defaultValue; } }; export function deleteStorageKey (key: string) { if (typeof window !== 'undefined') { localStorage.removeItem(key); } }; export const useLocalStorage = (key: string, defaultValue: any) => { const [value, setValue] = useState(() => { return getStorageValue(key, defaultValue); }); useEffect(() => { localStorage.setItem(key, value); }, [key, value]); return [value, setValue]; };