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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 _createForOfIteratorHelperLoose(o) { var i = 0; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } i = o[Symbol.iterator](); return i.next.bind(i); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); }
var _require = require('postcss'),
list = _require.list;
var OldSelector = require('./old-selector');
var Prefixer = require('./prefixer');
var Browsers = require('./browsers');
var utils = require('./utils');
var Selector = /*#__PURE__*/function (_Prefixer) {
_inheritsLoose(Selector, _Prefixer);
function Selector(name, prefixes, all) {
var _this;
_this = _Prefixer.call(this, name, prefixes, all) || this;
_this.regexpCache = {};
return _this;
}
/**
* Is rule selectors need to be prefixed
*/
var _proto = Selector.prototype;
_proto.check = function check(rule) {
if (rule.selector.includes(this.name)) {
return !!rule.selector.match(this.regexp());
}
return false;
}
/**
* Return prefixed version of selector
*/
;
_proto.prefixed = function prefixed(prefix) {
return this.name.replace(/^(\W*)/, "$1" + prefix);
}
/**
* Lazy loadRegExp for name
*/
;
_proto.regexp = function regexp(prefix) {
if (this.regexpCache[prefix]) {
return this.regexpCache[prefix];
}
var name = prefix ? this.prefixed(prefix) : this.name;
this.regexpCache[prefix] = new RegExp("(^|[^:\"'=])" + utils.escapeRegexp(name), 'gi');
return this.regexpCache[prefix];
}
/**
* All possible prefixes
*/
;
_proto.possible = function possible() {
return Browsers.prefixes();
}
/**
* Return all possible selector prefixes
*/
;
_proto.prefixeds = function prefixeds(rule) {
var _this2 = this;
if (rule._autoprefixerPrefixeds) {
if (rule._autoprefixerPrefixeds[this.name]) {
return rule._autoprefixerPrefixeds;
}
} else {
rule._autoprefixerPrefixeds = {};
}
var prefixeds = {};
if (rule.selector.includes(',')) {
var ruleParts = list.comma(rule.selector);
var toProcess = ruleParts.filter(function (el) {
return el.includes(_this2.name);
});
var _loop = function _loop() {
var prefix = _step.value;
prefixeds[prefix] = toProcess.map(function (el) {
return _this2.replace(el, prefix);
}).join(', ');
};
for (var _iterator = _createForOfIteratorHelperLoose(this.possible()), _step; !(_step = _iterator()).done;) {
_loop();
}
} else {
for (var _iterator2 = _createForOfIteratorHelperLoose(this.possible()), _step2; !(_step2 = _iterator2()).done;) {
var prefix = _step2.value;
prefixeds[prefix] = this.replace(rule.selector, prefix);
}
}
rule._autoprefixerPrefixeds[this.name] = prefixeds;
return rule._autoprefixerPrefixeds;
}
/**
* Is rule already prefixed before
*/
;
_proto.already = function already(rule, prefixeds, prefix) {
var index = rule.parent.index(rule) - 1;
while (index >= 0) {
var before = rule.parent.nodes[index];
if (before.type !== 'rule') {
return false;
}
var some = false;
for (var key in prefixeds[this.name]) {
var prefixed = prefixeds[this.name][key];
if (before.selector === prefixed) {
if (prefix === key) {
return true;
} else {
some = true;
break;
}
}
}
if (!some) {
return false;
}
index -= 1;
}
return false;
}
/**
* Replace selectors by prefixed one
*/
;
_proto.replace = function replace(selector, prefix) {
return selector.replace(this.regexp(), "$1" + this.prefixed(prefix));
}
/**
* Clone and add prefixes for at-rule
*/
;
_proto.add = function add(rule, prefix) {
var prefixeds = this.prefixeds(rule);
if (this.already(rule, prefixeds, prefix)) {
return;
}
var cloned = this.clone(rule, {
selector: prefixeds[this.name][prefix]
});
rule.parent.insertBefore(rule, cloned);
}
/**
* Return function to fast find prefixed selector
*/
;
_proto.old = function old(prefix) {
return new OldSelector(this, prefix);
};
return Selector;
}(Prefixer);
module.exports = Selector;