Service for localStorage

localStorage.service.js

function localStorageService() {
  return {
    get(itemName) {
      const item = localStorage.getItem(itemName);
      const numPatt = new RegExp(/^\d+$/);
      const jsonPatt = new RegExp(/[\[\{].*[\}\]]/);
  
      if(item){
        if(jsonPatt.test(item)){
          return JSON.parse(item);
        }
        else if(numPatt.test(item)) {
          return parseFloat(item);
        }
        else {
          return item;
        }
      }
      else {
        return null;
      }
  
    },
  
    set(itemName, item) {
      if(typeof item === "object"){
        localStorage.setItem(itemName, JSON.stringify(item));
      } else {
        localStorage.setItem(itemName, item);
      }
    },
  
    remove(itemName) {
      localStorage.removeItem(itemName);
    }
  }
  
}