diff options
Diffstat (limited to 'node_modules/autoprefixer/lib/hacks/flex-direction.js')
| -rw-r--r-- | node_modules/autoprefixer/lib/hacks/flex-direction.js | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/node_modules/autoprefixer/lib/hacks/flex-direction.js b/node_modules/autoprefixer/lib/hacks/flex-direction.js new file mode 100644 index 00000000..7ca23e31 --- /dev/null +++ b/node_modules/autoprefixer/lib/hacks/flex-direction.js @@ -0,0 +1,112 @@ +'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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