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Edit File: flex-direction.js

'use strict';

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; }

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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