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 shorthand = require('./grid-shorthand');
var GridArea = function (_Declaration) {
_inherits(GridArea, _Declaration);
function GridArea() {
_classCallCheck(this, GridArea);
return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
}
/**
* Translate grid-area to separate -ms- prefixed properties
*/
GridArea.prototype.insert = function insert(decl, prefix, prefixes) {
if (prefix !== '-ms-') return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
if (decl.parent.some(function (i) {
return i.prop === '-ms-grid-row';
})) {
return undefined;
}
var values = shorthand.parse(decl);
var _shorthand$translate = shorthand.translate(values, 0, 2),
rowStart = _shorthand$translate[0],
rowSpan = _shorthand$translate[1];
var _shorthand$translate2 = shorthand.translate(values, 1, 3),
columnStart = _shorthand$translate2[0],
columnSpan = _shorthand$translate2[1];
if (rowStart) {
decl.cloneBefore({
prop: '-ms-grid-row',
value: rowStart.toString()
});
}
if (rowSpan) {
decl.cloneBefore({
prop: '-ms-grid-row-span',
value: rowSpan.toString()
});
}
if (columnStart) {
decl.cloneBefore({
prop: '-ms-grid-column',
value: columnStart.toString()
});
}
if (columnSpan) {
decl.cloneBefore({
prop: '-ms-grid-column-span',
value: columnSpan.toString()
});
}
return undefined;
};
return GridArea;
}(Declaration);
Object.defineProperty(GridArea, 'names', {
enumerable: true,
writable: true,
value: ['grid-area']
});
module.exports = GridArea;
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