--- /dev/null
+'use strict';
+
+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; }
+
+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) : _defaults(subClass, superClass); }
+
+var Value = require('../value');
+var list = require('postcss').list;
+
+var CrossFade = function (_Value) {
+ _inherits(CrossFade, _Value);
+
+ function CrossFade() {
+ _classCallCheck(this, CrossFade);
+
+ return _possibleConstructorReturn(this, _Value.apply(this, arguments));
+ }
+
+ CrossFade.prototype.replace = function replace(string, prefix) {
+ var _this2 = this;
+
+ return list.space(string).map(function (value) {
+ if (value.slice(0, +_this2.name.length + 1) !== _this2.name + '(') {
+ return value;
+ }
+
+ var close = value.lastIndexOf(')');
+ var after = value.slice(close + 1);
+ var args = value.slice(_this2.name.length + 1, close);
+
+ if (prefix === '-webkit-') {
+ var match = args.match(/\d*.?\d+%?/);
+ if (match) {
+ args = args.slice(match[0].length).trim();
+ args += ', ' + match[0];
+ } else {
+ args += ', 0.5';
+ }
+ }
+ return prefix + _this2.name + '(' + args + ')' + after;
+ }).join(' ');
+ };
+
+ return CrossFade;
+}(Value);
+
+Object.defineProperty(CrossFade, 'names', {
+ enumerable: true,
+ writable: true,
+ value: ['cross-fade']
+});
+
+
+module.exports = CrossFade;
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