/*
 * This file is part of Adblock Plus <https://adblockplus.org/>,
 * Copyright (C) 2006-2017 eyeo GmbH
 *
 * Adblock Plus is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as
 * published by the Free Software Foundation.
 *
 * Adblock Plus is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
 */

"use strict";

function desc(properties)
{
  let descriptor = {};
  let keys = Object.keys(properties);

  for (let key of keys)
    descriptor[key] = Object.getOwnPropertyDescriptor(properties, key);

  return descriptor;
}
exports.desc = desc;

function extend(cls, properties)
{
  return Object.create(cls.prototype, desc(properties));
}
exports.extend = extend;