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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 Declaration = require('../declaration');
- var FlexDirection = function (_Declaration) {
- _inherits(FlexDirection, _Declaration);
- function FlexDirection() {
- _classCallCheck(this, FlexDirection);
- return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
- }
- /**
- * Return property name by final spec
- */
- FlexDirection.prototype.normalize = function normalize() {
- return 'flex-direction';
- };
- /**
- * Use two properties for 2009 spec
- */
- FlexDirection.prototype.insert = function insert(decl, prefix, prefixes) {
- var spec = void 0;
- var _flexSpec = flexSpec(prefix);
- spec = _flexSpec[0];
- prefix = _flexSpec[1];
- if (spec !== 2009) {
- return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
- } else {
- var already = decl.parent.some(function (i) {
- return i.prop === prefix + 'box-orient' || i.prop === prefix + 'box-direction';
- });
- if (already) {
- return undefined;
- }
- var v = decl.value;
- var orient = void 0,
- dir = void 0;
- if (v === 'inherit' || v === 'initial' || v === 'unset') {
- orient = v;
- dir = v;
- } else {
- orient = v.indexOf('row') !== -1 ? 'horizontal' : 'vertical';
- dir = v.indexOf('reverse') !== -1 ? 'reverse' : 'normal';
- }
- var cloned = this.clone(decl);
- cloned.prop = prefix + 'box-orient';
- cloned.value = orient;
- if (this.needCascade(decl)) {
- cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
- }
- decl.parent.insertBefore(decl, cloned);
- cloned = this.clone(decl);
- cloned.prop = prefix + 'box-direction';
- cloned.value = dir;
- if (this.needCascade(decl)) {
- cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
- }
- return decl.parent.insertBefore(decl, cloned);
- }
- };
- /**
- * Clean two properties for 2009 spec
- */
- FlexDirection.prototype.old = function old(prop, prefix) {
- var spec = void 0;
- var _flexSpec2 = flexSpec(prefix);
- spec = _flexSpec2[0];
- prefix = _flexSpec2[1];
- if (spec === 2009) {
- return [prefix + 'box-orient', prefix + 'box-direction'];
- } else {
- return _Declaration.prototype.old.call(this, prop, prefix);
- }
- };
- return FlexDirection;
- }(Declaration);
- Object.defineProperty(FlexDirection, 'names', {
- enumerable: true,
- writable: true,
- value: ['flex-direction', 'box-direction', 'box-orient']
- });
- module.exports = FlexDirection;
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