Remove circular references protection in ActiveSupport::JSON::Encoding::Encoder

active_support_disable_circular_references_check.rb

# encoding: utf-8

# Source: https://gist.github.com/kml/3395d73d874b0c302224

# https://github.com/rails/rails/blob/3-2-stable/activesupport/lib/active_support/json/encoding.rb
require "active_support/json/encoding"

unless defined?(ActiveSupport::JSON::Encoding::CircularReferenceError)
  abort "#{__FILE__}: CircularReferenceError is not defined. Remove this patch!"
end

# https://github.com/rails/rails/commit/798881ecd4510b9e1e5e10529fc2d81b9deb961e
#
# "[...] circular reference protection in as_json has been removed and the corresponding error class has been deprecated.
# As discussed with @jeremy, circular reference error
# *is considered programmer errors*
# and protecting against it is out of scope for the encoder."

module ActiveSupport
  module JSON
    module Encoding
      class Encoder
        private

        def check_for_circular_references(value)
          yield
        end
      end
    end
  end
end