src/local-storage-ports.js
function getLocalStorageItem(key) {
  try {
    return JSON.parse(
      window.localStorage.getItem(key)
    );
  } catch (e) {
    return null;
  }
}
function getLocalStorageItem(key) {
  try {
    return JSON.parse(
      window.localStorage.getItem(key)
    );
  } catch (e) {
    return null;
  }
}
Get a JSON serialized value from localStorage. (Return the deserialized version.)

@param  {String} key Key in localStorage
@return {*}      The deserialized value