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node_modules/autoprefixer/lib/hacks/appearance.js 2.03 KB
aaac7fed   liuqimichale   add
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  '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 Declaration = require('../declaration');
  var utils = require('../utils');
  
  var Appearance = function (_Declaration) {
      _inherits(Appearance, _Declaration);
  
      function Appearance(name, prefixes, all) {
          _classCallCheck(this, Appearance);
  
          var _this = _possibleConstructorReturn(this, _Declaration.call(this, name, prefixes, all));
  
          if (_this.prefixes) {
              _this.prefixes = utils.uniq(_this.prefixes.map(function (i) {
                  if (i === '-ms-') {
                      return '-webkit-';
                  } else {
                      return i;
                  }
              }));
          }
          return _this;
      }
  
      return Appearance;
  }(Declaration);
  
  Object.defineProperty(Appearance, 'names', {
      enumerable: true,
      writable: true,
      value: ['appearance']
  });
  
  
  module.exports = Appearance;