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-rw-r--r--actionpack/lib/action_controller/metal/strong_parameters.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb
index b0a943c768..5cbf4157a4 100644
--- a/actionpack/lib/action_controller/metal/strong_parameters.rb
+++ b/actionpack/lib/action_controller/metal/strong_parameters.rb
@@ -109,7 +109,8 @@ module ActionController
cattr_accessor :permit_all_parameters, instance_accessor: false
cattr_accessor :action_on_unpermitted_parameters, instance_accessor: false
- delegate :keys, :key?, :has_key?, :empty?, :include?, :inspect, to: :@parameters
+ delegate :keys, :key?, :has_key?, :empty?, :include?, :inspect,
+ :as_json, to: :@parameters
# By default, never raise an UnpermittedParameters exception if these
# params are present. The default includes both 'controller' and 'action'