zip in state validation

zip_in_state.coffee

# in some shared file
SomeNamespace.isZipInState = (zip, state) ->
  ranges = STATE_RANGES[state]
    return true if ! ranges? || ! zip
    zip = value.match(/^\D*(\d\D*){5}/)[0]
    zip = parseInt zip.replace(/\D/g,'') if zip
    return true if ! zip
    results = []
    for range in ranges
      do (range) ->
        results.push zip >= range[0] && zip <= range[1]
    return (true in results)

# ZestCash view
zip_in_state_validator = (value, elem) =>
  state = $('.zestcash.whatever fieldset derp [name=state]').val()
  SomeNamespace.isZipInState value, state
  

# Spotloan view
zip_in_state_validator = (value, elem) =>
  state = $('.spotloan something [name=state]').val()
  SomeNamespace.isZipInState value, state