You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
3.2 KiB
91 lines
3.2 KiB
'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 Declaration = require('../declaration'); |
|
|
|
var list = require('postcss').list; |
|
|
|
var Flex = function (_Declaration) { |
|
_inherits(Flex, _Declaration); |
|
|
|
function Flex() { |
|
_classCallCheck(this, Flex); |
|
|
|
return _possibleConstructorReturn(this, _Declaration.apply(this, arguments)); |
|
} |
|
|
|
/** |
|
* Change property name for 2009 spec |
|
*/ |
|
Flex.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-flex'; |
|
} else { |
|
return _Declaration.prototype.prefixed.call(this, prop, prefix); |
|
} |
|
}; |
|
|
|
/** |
|
* Return property name by final spec |
|
*/ |
|
|
|
|
|
Flex.prototype.normalize = function normalize() { |
|
return 'flex'; |
|
}; |
|
|
|
/** |
|
* Spec 2009 supports only first argument |
|
* Spec 2012 disallows unitless basis |
|
*/ |
|
|
|
|
|
Flex.prototype.set = function set(decl, prefix) { |
|
var spec = flexSpec(prefix)[0]; |
|
if (spec === 2009) { |
|
decl.value = list.space(decl.value)[0]; |
|
decl.value = Flex.oldValues[decl.value] || decl.value; |
|
return _Declaration.prototype.set.call(this, decl, prefix); |
|
} else if (spec === 2012) { |
|
var components = list.space(decl.value); |
|
if (components.length === 3 && components[2] === '0') { |
|
decl.value = components.slice(0, 2).concat('0px').join(' '); |
|
} |
|
} |
|
return _Declaration.prototype.set.call(this, decl, prefix); |
|
}; |
|
|
|
return Flex; |
|
}(Declaration); |
|
|
|
Object.defineProperty(Flex, 'names', { |
|
enumerable: true, |
|
writable: true, |
|
value: ['flex', 'box-flex'] |
|
}); |
|
Object.defineProperty(Flex, 'oldValues', { |
|
enumerable: true, |
|
writable: true, |
|
value: { |
|
auto: '1', |
|
none: '0' |
|
} |
|
}); |
|
|
|
|
|
module.exports = Flex; |