From 11bcf952870630c41c2c21990d0935b639af532f Mon Sep 17 00:00:00 2001 From: schneems Date: Thu, 30 Aug 2018 09:33:15 -0500 Subject: [ci skip] Document permitted_scalar_filter --- actionpack/lib/action_controller/metal/strong_parameters.rb | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'actionpack') diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb index 52664dd1fb..21859e5356 100644 --- a/actionpack/lib/action_controller/metal/strong_parameters.rb +++ b/actionpack/lib/action_controller/metal/strong_parameters.rb @@ -904,6 +904,16 @@ module ActionController PERMITTED_SCALAR_TYPES.any? { |type| value.is_a?(type) } end + # Adds existing keys to the params if their values are scalar. + # + # For example: + # + # puts self.keys #=> ["zipcode(90210i)"] + # params = {} + # + # permitted_scalar_filter(params, "zipcode") + # + # puts params.keys # => ["zipcode"] def permitted_scalar_filter(params, key) if has_key?(key) && permitted_scalar?(self[key]) params[key] = self[key] -- cgit v1.2.3