isLessThanVersion = (v1, v2) ->
  v1Parts = v1.split('.')
  v2Parts = v2.split('.')
  minLength = Math.min(v1Parts.length, v2Parts.length)
  if minLength > 0
    for idx in [0..minLength - 1]
      unless Number(v1Parts[idx]) == Number(v2Parts[idx])
        return Number(v1Parts[idx]) < Number(v2Parts[idx])
  return v1Parts.length < v2Parts.length

alertCheck = (v1, v2) ->
  alert(v1+' isLessThanVersion '+v2+' : '+isLessThanVersion(v1, v2))

alertCheck('0.10.0', '0.10.0')
alertCheck('10.10.0', '10.10.0')
alertCheck('0.10.0', '0.9.1')
alertCheck('0.10.0', '0.10.1')
alertCheck('1.10.0', '0.10.1')


isLessThanVersionPatched = (v1, v2) ->
  v1Parts = v1.split('.')
  v2Parts = v2.split('.')
  minLength = Math.min(v1Parts.length, v2Parts.length)
  if minLength > 0
    for idx in [0..minLength - 1]
      unless Number(v1Parts[idx]) == Number(v2Parts[idx])
        return Number(v1Parts[idx]) < Number(v2Parts[idx])
  return v1Parts.length <= v2Parts.length

alert('0.10.0 isLessThanVersionPatched  0.10.0 '+isLessThanVersionPatched('0.10.0','0.10.0'))