Generic localStorage function to use in your services folder.

localStorage.js

export function saveItem(key, value) {
  if (typeof value === 'string') {
    localStorage.setItem(key, value);
  } else {
    localStorage.setItem(key, JSON.stringify(value));
  }
}

export function getItem(key) {
  const storedValue = localStorage.getItem(key);
  return storedValue ? JSON.parse(storedValue) : null;
}