@marp-team/marpit/lib/postcss/pseudo_selector/prepend.js

The skinny framework for creating slide deck from Markdown

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _postcss = _interopRequireDefault(require("postcss"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/** @module */

/**
 * Marpit PostCSS pseudo selector prepending plugin.
 *
 * Prepend `:marpit-container > :marpit-slide` pseudo selector to each selector
 * of Marpit theme CSS for modulized styling.
 *
 * @alias module:postcss/pseudo_selector/prepend
 */
const plugin = _postcss.default.plugin('marpit-postcss-pseudo-selector-prepend', () => css => css.walkRules(rule => {
  rule.selectors = rule.selectors.map(selector => {
    if (/^section(?![\w-])/.test(selector)) return `:marpit-container > :marpit-slide${selector.slice(7)}`;
    if (/^(:marpit-container|html|body)(?![\w-])/.test(selector)) return selector;
    return `:marpit-container > :marpit-slide ${selector}`;
  });
}));

var _default = plugin;
exports.default = _default;