cavalry/lib/util.coffee

Basically Fleet without dnode.

crypto = require 'crypto'
clone = (obj) =>
  return obj if !obj? or typeof obj isnt 'object'
  return new Date(obj.getTime()) if obj instanceof Date
  return '' if obj instanceof RegExp
  newInstance = new obj.constructor()
  for key of obj
    continue if key is "process" or key is "respawn" or key is "slave"
    newInstance[key] = clone obj[key]
  return newInstance

opter = (arr) ->
  opts = {}
  for opt in arr when opt.indexOf '--' is 1
    opt = opt.replace('--', '')
    opts[opt] = true
  return opts

hashObj= (obj) ->
  md5sum = crypto.createHash 'md5'
  try
    str = JSON.stringify obj
  catch e
    return e
  md5sum.update str
  return md5sum.digest 'hex'

module.exports =
  clone: clone
  opter: opter
  hashObj: hashObj
  apiVersion: '1'