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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 _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;
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