| "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 _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); } |
| |
| var Prefixer = require('./prefixer'); |
| |
| var AtRule = |
| /*#__PURE__*/ |
| function (_Prefixer) { |
| _inheritsLoose(AtRule, _Prefixer); |
| |
| function AtRule() { |
| return _Prefixer.apply(this, arguments) || this; |
| } |
| |
| var _proto = AtRule.prototype; |
| |
| /** |
| * Clone and add prefixes for at-rule |
| */ |
| _proto.add = function add(rule, prefix) { |
| var prefixed = prefix + rule.name; |
| var already = rule.parent.some(function (i) { |
| return i.name === prefixed && i.params === rule.params; |
| }); |
| |
| if (already) { |
| return undefined; |
| } |
| |
| var cloned = this.clone(rule, { |
| name: prefixed |
| }); |
| return rule.parent.insertBefore(rule, cloned); |
| } |
| /** |
| * Clone node with prefixes |
| */ |
| ; |
| |
| _proto.process = function process(node) { |
| var parent = this.parentPrefix(node); |
| |
| for (var _iterator = this.prefixes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { |
| var _ref; |
| |
| if (_isArray) { |
| if (_i >= _iterator.length) break; |
| _ref = _iterator[_i++]; |
| } else { |
| _i = _iterator.next(); |
| if (_i.done) break; |
| _ref = _i.value; |
| } |
| |
| var prefix = _ref; |
| |
| if (!parent || parent === prefix) { |
| this.add(node, prefix); |
| } |
| } |
| }; |
| |
| return AtRule; |
| }(Prefixer); |
| |
| module.exports = AtRule; |