3 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
5 var OldSelector = function () {
6 function OldSelector(selector, prefix) {
7 _classCallCheck(this, OldSelector);
10 this.prefixed = selector.prefixed(this.prefix);
11 this.regexp = selector.regexp(this.prefix);
13 this.prefixeds = selector.possible().map(function (x) {
14 return [selector.prefixed(x), selector.regexp(x)];
17 this.unprefixed = selector.name;
18 this.nameRegexp = selector.regexp();
22 * Is rule a hack without unprefixed version bottom
26 OldSelector.prototype.isHack = function isHack(rule) {
27 var index = rule.parent.index(rule) + 1;
28 var rules = rule.parent.nodes;
30 while (index < rules.length) {
31 var before = rules[index].selector;
36 if (before.indexOf(this.unprefixed) !== -1 && before.match(this.nameRegexp)) {
41 for (var _iterator = this.prefixeds, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
45 if (_i >= _iterator.length) break;
46 _ref2 = _iterator[_i++];
48 _i = _iterator.next();
57 if (before.indexOf(string) !== -1 && before.match(regexp)) {
74 * Does rule contain an unnecessary prefixed selector
78 OldSelector.prototype.check = function check(rule) {
79 if (rule.selector.indexOf(this.prefixed) === -1) {
82 if (!rule.selector.match(this.regexp)) {
85 if (this.isHack(rule)) {
94 module.exports = OldSelector;