Contents

# frozen_string_literal: true

require 'active_model'

class TypeValidator < ActiveModel::EachValidator
  def validate_each(record, attribute, value)
    strategy = fetch_strategy(options)

    raise Error::InvalidDefinition.new(attribute) unless strategy

    return if options[:allow_nil] && value.nil?
    return unless error = strategy.invalid?(value, options)

    raise TypeError, "#{attribute} #{error}" if options[:strict]

    record.errors.add(attribute, error)
  end

  def fetch_strategy(options)
    return ByKindOf if options.key?(:is_a) || options.key?(:kind_of)
    return ByRespondTo if options.key?(:respond_to)
    return ByKlass if options.key?(:klass)
    return ByArrayOf if options.key?(:array_of)
    return ByArrayWith if options.key?(:array_with)
  end
end

require 'type_validator/version'
require 'type_validator/error'
require 'type_validator/by_klass'
require 'type_validator/by_kind_of'
require 'type_validator/by_array_of'
require 'type_validator/by_array_with'
require 'type_validator/by_respond_to'

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
type_validator-0.7.0	lib/type_validator.rb