text: var fs = require('fs')
  var glob = require('glob');
  var mkdirp = require('mkdirp');
  var optimist = require('optimist');
  var path = require('path');
  var argv = optimist.argv;
  
  function splitHeader(content) {
    var lines = content.split('\n');
    for (var i = 1; i < lines.length - 1; ++i) {
      if (lines[i] === '---') {
        break;
      }
    }
    return {
      header: lines.slice(1, i + 1).join('\n'),
      content: lines.slice(i + 1).join('\n')
    };
  }
  
  function backtickify(str) {
    var escaped = '`' + str.replace(/\\/g, '\\\\').replace(/`/g, '\\`') + '`';
    // Replace require( with require\( so node-haste doesn't replace example
    // require calls in the docs
    return escaped.replace(/require\(/g, 'require\\(');
  }
  
  function execute() {
    var MD_DIR = '../docs/';
  
    glob('src/draft-js/docs/*.*', function(er, files) {
      files.forEach(function(file) {
        try {
          fs.unlinkSync(file);
        } catch(e) {
          /* seriously, unlink throws when the file doesn't exist :( */
        }
      });
    });
  
    var metadatas = {
      files: [],
    };
  
    glob(MD_DIR + '**/*.*', function (er, files) {
      files.forEach(function(file) {
        var extension = path.extname(file);
        if (extension === '.md' || extension === '.markdown') {
          var content = fs.readFileSync(file, {encoding: 'utf8'});
          var metadata = {};
  
          // Extract markdown metadata header
          var both = splitHeader(content);
          var lines = both.header.split('\n');
          for (var i = 0; i < lines.length - 1; ++i) {
            var keyvalue = lines[i].split(':');
            var key = keyvalue[0].trim();
            var value = keyvalue.slice(1).join(':').trim();
            // Handle the case where you have "Community #10"
            try { value = JSON.parse(value); } catch(e) { }
            metadata[key] = value;
          }
          metadatas.files.push(metadata);
  
          if (metadata.permalink.match(/^https?:/)) {
            return;
          }
  
          // Create a dummy .js version that just calls the associated layout
          var layout = metadata.layout[0].toUpperCase() + metadata.layout.substr(1) + 'Layout';
  
          var content = (
            '/**\n' +
            ' * @generated\n' +
            ' */\n' +
            'var React = require("React");\n' +
            'var Layout = require("' + layout + '");\n' +
            'var content = ' + backtickify(both.content) + '\n' +
            'var Post = React.createClass({\n' +
            '  statics: {\n' +
            '    content: content\n' +
            '  },\n' +
            '  render: function() {\n' +
            '    return <Layout metadata={' + JSON.stringify(metadata) + '}>{content}</Layout>;\n' +
            '  }\n' +
            '});\n' +
            'module.exports = Post;\n'
          );
  
          var targetFile = 'src/draft-js/' + metadata.permalink.replace(/\.html$/, '.js');
          mkdirp.sync(targetFile.replace(new RegExp('/[^/]*$'), ''));
          fs.writeFileSync(targetFile, content);
        }
  
        if (extension === '.json') {
          var content = fs.readFileSync(file, {encoding: 'utf8'});
          metadatas[path.basename(file, '.json')] = JSON.parse(content);
        }
      });
  
      fs.writeFileSync(
        'core/metadata.js',
        '/**\n' +
        ' * @generated\n' +
        ' * @providesModule Metadata\n' +
        ' */\n' +
        'module.exports = ' + JSON.stringify(metadatas, null, 2) + ';'
      );
    });
  
    fs.writeFileSync('src/draft-js/lib/Draft.css', fs.readFileSync('../dist/Draft.css'));
    fs.writeFileSync('src/draft-js/lib/Draft.js', fs.readFileSync('../dist/Draft.js'));
    fs.writeFileSync('src/draft-js/lib/RichEditor.css', fs.readFileSync('../examples/rich/RichEditor.css'));
  }
  
  if (argv.convert) {
    console.log('convert!')
    execute();
  }
  
  module.exports = execute;
  