Creates a Json of a Folder Structure

nodejs-folder-structure-to-json.coffee

#async version of: http://researchhubs.com/post/computing/javascript/convert-directory-structure--to-json-with-node-js.html

inspect = require('util').inspect
chalk = require('chalk')
debug = require('debug')('helper:folderStructure')

fs = require('fs')
path = require('path')
async = require('async')

self = @

exports.directoryToJson = (directoryName, callback) ->
  fs.lstat directoryName, (err, stats)->
    info =
      path: directoryName
      name: path.basename(directoryName)
    if stats.isDirectory()
      info.type = 'folder'
      fs.readdir directoryName, (err, directories)->
        return callback err if err?
        async.map directories, (child, next)->
          self.directoryToJson directoryName + '/' + child, (err, childInfo)->
            return next err, childInfo
        , (err, childInfos)->
          return callback err if err?
          info.children = childInfos
          debug info
          return callback null, info

    else
      info.type = 'file'
      debug info
      return callback null, info