diff options
Diffstat (limited to 'activesupport/lib/active_support/json')
-rw-r--r-- | activesupport/lib/active_support/json/encoding.rb | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/json/encoding.rb b/activesupport/lib/active_support/json/encoding.rb index 02c233595d..dd94315111 100644 --- a/activesupport/lib/active_support/json/encoding.rb +++ b/activesupport/lib/active_support/json/encoding.rb @@ -128,12 +128,21 @@ module ActiveSupport end end -class Object - # Dumps object in JSON (JavaScript Object Notation). See www.json.org for more info. - def to_json(options = nil) - ActiveSupport::JSON.encode(self, options) - end +# The JSON gem adds a few modules to Ruby core classes containing :to_json definition, overwriting +# their default behavior. That said, we need to define the basic to_json method in all of them, +# otherwise they will always use to_json gem implementation, which is backwards incompatible in +# several cases (for instance, the JSON implementation for Hash does not work) with inheritance +# and consequently classes as ActiveSupport::OrderedHash cannot be serialized to json. +[Object, Array, FalseClass, Float, Hash, Integer, NilClass, String, TrueClass].each do |klass| + klass.class_eval <<-RUBY, __FILE__, __LINE__ + # Dumps object in JSON (JavaScript Object Notation). See www.json.org for more info. + def to_json(options = nil) + ActiveSupport::JSON.encode(self, options) + end + RUBY +end +class Object def as_json(options = nil) #:nodoc: if respond_to?(:to_hash) to_hash |