text: 'use strict';
  
  const HighlightJs = require('highlight.js');
  const _ = require('lodash');
  
  module.exports = function highlighter(content, lang) {
      content = _.toString(content || '');
      lang = lang ? lang.toLowerCase() : lang;
      try {
          return lang ? HighlightJs.highlight(lang, content).value : HighlightJs.highlightAuto(content).value;
      } catch (e) {
          return HighlightJs.highlightAuto(content).value;
      }
  };
  