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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 _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() {
- if (_isArray) {
- if (_i >= _iterator.length) return "break";
- _ref = _iterator[_i++];
- } else {
- _i = _iterator.next();
- if (_i.done) return "break";
- _ref = _i.value;
- }
-
- var prefix = _ref;
- prefixeds[prefix] = toProcess.map(function (el) {
- return _this2.replace(el, prefix);
- }).join(', ');
- };
-
- for (var _iterator = this.possible(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
- var _ref;
-
- var _ret = _loop();
-
- if (_ret === "break") break;
- }
- } else {
- for (var _iterator2 = this.possible(), _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
- var _ref2;
-
- if (_isArray2) {
- if (_i2 >= _iterator2.length) break;
- _ref2 = _iterator2[_i2++];
- } else {
- _i2 = _iterator2.next();
- if (_i2.done) break;
- _ref2 = _i2.value;
- }
-
- var prefix = _ref2;
- 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;
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