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-rw-r--r--actionpack/lib/action_controller/metal/strong_parameters.rb12
1 files changed, 5 insertions, 7 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb
index 8bde82ccca..016a633f71 100644
--- a/actionpack/lib/action_controller/metal/strong_parameters.rb
+++ b/actionpack/lib/action_controller/metal/strong_parameters.rb
@@ -679,18 +679,16 @@ module ActionController
# Returns a new <tt>ActionController::Parameters</tt> instance with the
# results of running +block+ once for every key. The values are unchanged.
def transform_keys(&block)
- if block
- new_instance_with_inherited_permitted_status(
- @parameters.transform_keys(&block)
- )
- else
- @parameters.transform_keys
- end
+ return to_enum(:transform_keys) unless block_given?
+ new_instance_with_inherited_permitted_status(
+ @parameters.transform_keys(&block)
+ )
end
# Performs keys transformation and returns the altered
# <tt>ActionController::Parameters</tt> instance.
def transform_keys!(&block)
+ return to_enum(:transform_keys!) unless block_given?
@parameters.transform_keys!(&block)
self
end