compiled.js

var fs, path;
fs = require('fs');
path = require('path');
process.mixin(global, require('sys'));
exports.directoryWalker = function directoryWalker(dir, callback, maxLevels, currentLevel, fromRoot) {
  maxLevels = 'number' === typeof maxLevels ? maxLevels : 0;
  currentLevel = 'number' === typeof currentLevel ? currentLevel : 1;
  fromRoot = 'string' === typeof fromRoot ? fromRoot : '';
  return fs.readdir(dir, function(error, files) {
    if (error) {
      puts(error.message);
      return null;
    }
    return files.forEach(function(file) {
      return fs.stat(path.join(dir, file), function(error, stats) {
        if (error) {
          puts(error.message);
          return null;
        }
        stats.isDirectory() ? 0 === maxLevels || maxLevels > currentLevel ? directoryWalker(path.join(dir, file), callback, maxLevels, 1 + currentLevel, fromRoot + file + '/') : null : null;
        return callback.call(stats, file, fromRoot, path.join(dir, file), stats);
      });
    });
  });
};

node_directory_walker.coffee

fs: require 'fs'
path: require 'path'
process.mixin global, require 'sys'

exports.directoryWalker: (dir, callback, maxLevels, currentLevel, fromRoot) ->
  maxLevels: if 'number' is typeof maxLevels then maxLevels else 0
  currentLevel: if 'number' is typeof currentLevel then currentLevel else 1
  fromRoot: if 'string' is typeof fromRoot then fromRoot else ''

  fs.readdir dir, (error, files) ->
    if error
      puts error.message
      return

    files.forEach (file) ->
      fs.stat path.join(dir, file), (error, stats) ->
        if error
          puts error.message
          return

        if stats.isDirectory()
          if 0 is maxLevels or maxLevels > currentLevel
            directoryWalker path.join(dir, file), callback,
                            maxLevels, 1 + currentLevel,
                            fromRoot + file + '/'
        callback.call stats, file, fromRoot, path.join(dir, file), stats