diff options
Diffstat (limited to 'activemodel/lib/active_model/attribute_mutation_tracker.rb')
-rw-r--r-- | activemodel/lib/active_model/attribute_mutation_tracker.rb | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/attribute_mutation_tracker.rb b/activemodel/lib/active_model/attribute_mutation_tracker.rb index 493be5bb88..6abf37bd44 100644 --- a/activemodel/lib/active_model/attribute_mutation_tracker.rb +++ b/activemodel/lib/active_model/attribute_mutation_tracker.rb @@ -11,6 +11,10 @@ module ActiveModel @forced_changes = Set.new end + def changed_attribute_names + attr_names.select { |attr_name| changed?(attr_name) } + end + def changed_values attr_names.each_with_object({}.with_indifferent_access) do |attr_name, result| if changed?(attr_name) @@ -23,7 +27,7 @@ module ActiveModel attr_names.each_with_object({}.with_indifferent_access) do |attr_name, result| change = change_to_attribute(attr_name) if change - result[attr_name] = change + result.merge!(attr_name => change) end end end @@ -76,6 +80,10 @@ module ActiveModel class NullMutationTracker # :nodoc: include Singleton + def changed_attribute_names(*) + [] + end + def changed_values(*) {} end |