validation-errors.coffee

class ValidationErrors
  constructor: () ->
    this.reset()

    return

  reset: () ->
    @errors = {}

    return this

  set: (key, msg = '') ->
    @errors[key] = msg if key and msg

    return this

  unset: (key) ->
    value = @errors[key]

    delete @errors[key]

    return value

  keys: () ->
    arr = []

    this.eachError (key) -> arr.push key

    return arr

  size: () ->
    n = 0

    this.eachError () -> n += 1

    return n

  allGood: () -> if this.size() is 0 then true else false

  eachError: (callback) ->
    return false unless typeof callback is 'function'

    callback key, value for own key, value of @errors when key

    return this


if typeof module isnt 'undefined' and module.exports
  module.exports = ValidationErrors
else
  this.ValidationErrors = ValidationErrors