text: 'use strict';
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  var flexSpec = require('./flex-spec');
  var Declaration = require('../declaration');
  
  var Order = function (_Declaration) {
      _inherits(Order, _Declaration);
  
      function Order() {
          _classCallCheck(this, Order);
  
          return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
      }
  
      /**
       * Change property name for 2009 and 2012 specs
       */
      Order.prototype.prefixed = function prefixed(prop, prefix) {
          var spec = void 0;
  
          var _flexSpec = flexSpec(prefix);
  
          spec = _flexSpec[0];
          prefix = _flexSpec[1];
  
          if (spec === 2009) {
              return prefix + 'box-ordinal-group';
          } else if (spec === 2012) {
              return prefix + 'flex-order';
          } else {
              return _Declaration.prototype.prefixed.call(this, prop, prefix);
          }
      };
  
      /**
       * Return property name by final spec
       */
  
  
      Order.prototype.normalize = function normalize() {
          return 'order';
      };
  
      /**
       * Fix value for 2009 spec
       */
  
  
      Order.prototype.set = function set(decl, prefix) {
          var spec = flexSpec(prefix)[0];
          if (spec === 2009 && /\d/.test(decl.value)) {
              decl.value = (parseInt(decl.value) + 1).toString();
              return _Declaration.prototype.set.call(this, decl, prefix);
          } else {
              return _Declaration.prototype.set.call(this, decl, prefix);
          }
      };
  
      return Order;
  }(Declaration);
  
  Object.defineProperty(Order, 'names', {
      enumerable: true,
      writable: true,
      value: ['order', 'flex-order', 'box-ordinal-group']
  });
  
  
  module.exports = Order;