diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/request/utils.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/request/utils.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/request/utils.rb b/actionpack/lib/action_dispatch/request/utils.rb new file mode 100644 index 0000000000..9d4f1aa3c5 --- /dev/null +++ b/actionpack/lib/action_dispatch/request/utils.rb @@ -0,0 +1,35 @@ +module ActionDispatch + class Request < Rack::Request + class Utils # :nodoc: + + mattr_accessor :perform_deep_munge + self.perform_deep_munge = true + + class << self + # Remove nils from the params hash + def deep_munge(hash, keys = []) + return hash unless perform_deep_munge + + hash.each do |k, v| + keys << k + case v + when Array + v.grep(Hash) { |x| deep_munge(x, keys) } + v.compact! + if v.empty? + hash[k] = nil + ActiveSupport::Notifications.instrument("deep_munge.action_controller", keys: keys) + end + when Hash + deep_munge(v, keys) + end + keys.pop + end + + hash + end + end + end + end +end + |