showdown/src/subParsers/makeMarkdown/codeBlock.js

A Markdown to HTML converter written in Javascript

showdown.subParser('makeMarkdown.codeBlock', function (node, globals) {
  'use strict';

  var lang = node.getAttribute('language'),
      num  = node.getAttribute('precodenum');
  return '```' + lang + '\n' + globals.preList[num] + '\n```';
});