localstorage.js

//localStorage.js
export const loadState = () => {
   try {
     const serializedState = localStorage.getItem('state');
     if (serializedState === null) {
       return undefined;
     }
     return JSON.parse(serializedState);
   } catch (err) {
     return undefined;
   }
 };
  export const saveState = (state) => {
   try {
     const serializedState = JSON.stringify(state);
     localStorage.setItem('state', serializedState);
   } catch (err) {
       console.error(err);
   }
 };