storage.ts

class Person { 

  
  @storage() public name: string;
  @storage('sur', 'session') public surname: string;

  constructor(name : string, surname : string) { 
    this.name = name;
    this.surname = surname;
  }
}

function storage(storageKey?: string, storageType?: string) {
	const newKey = storageKey;
	const stype = storageType;
	return function logProperty(target: any, key: string) {
		console.log('fdfdfd', storageKey);
  var storageKey = newKey || key;

  // property value
  var _val = this[key];

  // property getter
  var getter = function () {
	  if(stype === 'session') {
		if(localStorage.getItem(storageKey)) {
		return localStorage.getItem(storageKey);
		}  
	  } else {
		if(sessionStorage.getItem(storageKey)) {
		return sessionStorage.getItem(storageKey);
		}    
	  }

  };

  // property setter
  var setter = function (newVal) {
	  if(stype === 'session') {
		  sessionStorage.setItem(storageKey, newVal);
	  } else {
		  localStorage.setItem(storageKey, newVal); 
	  }
  
  };

  // Delete property.
  if (delete this[key]) {

    // Create new property with getter and setter
    Object.defineProperty(target, key, {
      get: getter,
      set: setter,
      enumerable: true,
      configurable: true
    });
  }
}
}


let person = new Person('dssd', 'dsds');
// console.log(person.name);