3 function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
5 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
7 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; }
9 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) : _defaults(subClass, superClass); }
11 var flexSpec = require('./flex-spec');
12 var Declaration = require('../declaration');
14 var Flex = function (_Declaration) {
15 _inherits(Flex, _Declaration);
18 _classCallCheck(this, Flex);
20 return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
24 * Return property name by final spec
26 Flex.prototype.normalize = function normalize() {
31 * Return flex property for 2009 and 2012 specs
35 Flex.prototype.prefixed = function prefixed(prop, prefix) {
38 var _flexSpec = flexSpec(prefix);
41 prefix = _flexSpec[1];
44 return prefix + 'box-flex';
45 } else if (spec === 2012) {
46 return prefix + 'flex-positive';
48 return _Declaration.prototype.prefixed.call(this, prop, prefix);
55 Object.defineProperty(Flex, 'names', {
58 value: ['flex-grow', 'flex-positive']
62 module.exports = Flex;