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 flexSpec = require('./flex-spec');
var OldValue = require('../old-value');
var Value = require('../value');
var DisplayFlex = function (_Value) {
_inherits(DisplayFlex, _Value);
function DisplayFlex(name, prefixes) {
_classCallCheck(this, DisplayFlex);
var _this = _possibleConstructorReturn(this, _Value.call(this, name, prefixes));
if (name === 'display-flex') {
_this.name = 'flex';
}
return _this;
}
/**
* Faster check for flex value
*/
DisplayFlex.prototype.check = function check(decl) {
return decl.prop === 'display' && decl.value === this.name;
};
/**
* Return value by spec
*/
DisplayFlex.prototype.prefixed = function prefixed(prefix) {
var spec = void 0,
value = void 0;
var _flexSpec = flexSpec(prefix);
spec = _flexSpec[0];
prefix = _flexSpec[1];
if (spec === 2009) {
if (this.name === 'flex') {
value = 'box';
} else {
value = 'inline-box';
}
} else if (spec === 2012) {
if (this.name === 'flex') {
value = 'flexbox';
} else {
value = 'inline-flexbox';
}
} else if (spec === 'final') {
value = this.name;
}
return prefix + value;
};
/**
* Add prefix to value depend on flebox spec version
*/
DisplayFlex.prototype.replace = function replace(string, prefix) {
return this.prefixed(prefix);
};
/**
* Change value for old specs
*/
DisplayFlex.prototype.old = function old(prefix) {
var prefixed = this.prefixed(prefix);
if (!prefixed) return undefined;
return new OldValue(this.name, prefixed);
};
return DisplayFlex;
}(Value);
Object.defineProperty(DisplayFlex, 'names', {
enumerable: true,
writable: true,
value: ['display-flex', 'inline-flex']
});
module.exports = DisplayFlex;
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