From 11bcf952870630c41c2c21990d0935b639af532f Mon Sep 17 00:00:00 2001
From: schneems <richard.schneeman+foo@gmail.com>
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(+)
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]
--
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