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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, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; 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."); } it = o[Symbol.iterator](); return it.next.bind(it); }
- 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;
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