create directory structure

gistfile1.js

#!/usr/bin/env coffee

# looking to generate something like:
# {"root":[{"name":"a","branches":[{"name":"aa"},{"name":"bb"}]},{"name":"b"},{"name":"c"}]}

fs = require 'fs'
Path = require 'path'

dir_tree = (path,name=null) ->
  if not name
    data = {}
    data["root"] = children = []
  else
    data = {"name": name }
    data["branches"] = children = []

  dirs = []; files = []
  fs.readdir path,(err,files) =>
    for entry in files
      continue if entry == '..' || entry == '.'
      fs.stat entry,(err,stat) =>
        #### XXX Entry is set to the first element
        console.log entry
        if stat.isDirectory()
          dirs.push(entry)
        else
          files.push(entry)
     for d in dirs  # XXX need to sort
       children.push(dir_tree(Path.join(path,d),d))
     for f in files # XXX need to sort
       children.push {"name": f }
  return data

## XX returns empty: { root: [] }
console.log dir_tree(".")