"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.rootIncreasingSpecificity = exports.pseudoClass = exports.default = void 0;
var _postcss_plugin = _interopRequireDefault(require("../../helpers/postcss_plugin"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/** @module */

const pseudoClass = exports.pseudoClass = ':marpit-root';
const matcher = new RegExp(`\\b(?:section)?${pseudoClass}\\b`, 'g');

/**
 * Marpit PostCSS root increasing specificity plugin.
 *
 * Replace specific pseudo-class selector to `:where(section):not([\20 root])`,
 * to increase specificity. `:marpit-root` is always added to `section` selector
 * by root replace plugin so `:where(section):not([\20 root])` must always match
 * too (HTML does not allow U+0020 SPACE in the attribute name.).
 *
 * @function rootIncreasingSpecificity
 */
const rootIncreasingSpecificity = exports.rootIncreasingSpecificity = (0, _postcss_plugin.default)('marpit-postcss-root-increasing-specificity', () => css => css.walkRules(rule => {
  rule.selectors = rule.selectors.map(selector => selector.replace(matcher, ':where(section):not([\\20 root])'));
}));
var _default = exports.default = rootIncreasingSpecificity;