Method parseHorizontalRule

src/parser.js:100–105

* Parse horizontal rules * @param {string} html - HTML line to parse * @returns {string|null} Parsed horizontal rule or null

(html)

   * @returns {string|null} Parsed horizontal rule or null
   */
  static parseHorizontalRule(html) {
    if (html.match(/^(-{3,}|\*{3,}|_{3,})$/)) {
      return `<div><span class="hr-marker">${html}</span></div>`;
    }
    return null;
  }

  /**
   * Parse blockquotes