const cache = {}; export function getLocalStorage(key, defaultValue = undefined) { if (key in cache) return cache[key]; const item = localStorage.getItem(key); if (item) { try { const res = JSON.parse(item); cache[key] = res; return res; } catch (e) { return defaultValue; } } return defaultValue; } export function setLocalStorage(key, value) { localStorage.setItem(key, JSON.stringify(value)); delete cache[key]; } export function removeLocalStorage(key) { localStorage.removeItem(key); delete cache[key]; }