index.js

var fs = require('fs')
var path = require('path')

fs.readdirSync(__dirname).forEach(function(file){
	var pathArray = file.split('/')
	var hasIndex = ~file.indexOf('index.js')
	if(pathArray.length === 1 && !hasIndex){
		var fileName = pathArray[pathArray.length - 1].replace('.js', '')
		module.exports[fileName] = require(path.join(__dirname, file))
	}else if(pathArray.length === 2 && hasIndex){
		var packName = pathArray[pathArray.length - 2];
		module.exports[packName] = module.exports[packName] || {};
		module.exports[packName] = require(path.join(__dirname, file))
	}
})