const canStore = typeof window.localStorage !== 'undefined' export const storeData = (key, data) => { if (!canStore) return; const value = JSON.stringify(data); localStorage.setItem(key, value); }; export const getData = key => { if (!canStore) return; let result = null; try { result = JSON.parse(localStorage.getItem(key)); } catch(e) { result = null; } if (!result) return; return result; };