Contents

# frozen_string_literal: true

class IsbnValidator < BaseValidator

  CHARACTERS = %w[
    0 1 2 3 4 5 6 7 8 9 x
  ].freeze

  private

  def valid_attr?
    values = value.to_s.gsub(/-| /, '').downcase.chars
    [10, 13].include?(values.size) && values.all? { |chr| CHARACTERS.include?(chr) }
  end

end

Version data entries

11 entries across 11 versions & 1 rubygems

Version	Path
lite-validators-1.7.2	lib/lite/validators/isbn_validator.rb
lite-validators-1.7.1	lib/lite/validators/isbn_validator.rb
lite-validators-1.7.0	lib/lite/validators/isbn_validator.rb
lite-validators-1.6.0	lib/lite/validators/isbn_validator.rb
lite-validators-1.5.0	lib/lite/validators/isbn_validator.rb
lite-validators-1.4.0	lib/lite/validators/isbn_validator.rb
lite-validators-1.3.2	lib/lite/validators/isbn_validator.rb
lite-validators-1.3.1	lib/lite/validators/isbn_validator.rb
lite-validators-1.3.0	lib/lite/validators/isbn_validator.rb
lite-validators-1.2.0	lib/lite/validators/isbn_validator.rb
lite-validators-1.1.2	lib/lite/validators/isbn_validator.rb