refactor: move deep_stringify_keys to Utils

Consolidates utility methods in one place.

Author: joemsak

lib/code_teams/testing.rb

@@ -47,7 +47,7 @@ def self.create_code_team(attributes)
 
       code_team = CodeTeams::Team.new(
         config_yml: 'tmp/fake_config.yml',
-        raw_hash: T.cast(deep_stringify_keys(attributes), T::Hash[T.untyped, T.untyped])
+        raw_hash: T.cast(Utils.deep_stringify_keys(attributes), T::Hash[T.untyped, T.untyped])
       )
 
       code_teams << code_team
@@ -68,21 +68,6 @@ def self.reset!
       Thread.current[THREAD_KEY] = []
     end
 
-    sig { params(value: T.untyped).returns(T.untyped) }
-    def self.deep_stringify_keys(value)
-      case value
-      when Hash
-        value.each_with_object({}) do |(k, v), acc|
-          acc[k.to_s] = deep_stringify_keys(v)
-        end
-      when Array
-        value.map { |v| deep_stringify_keys(v) }
-      else
-        value
-      end
-    end
-    private_class_method :deep_stringify_keys
-
     module CodeTeamsExtension
       extend T::Sig
 

lib/code_teams/utils.rb

@@ -13,5 +13,18 @@ def underscore(string)
     def demodulize(string)
       string.split('::').last
     end
+
+    def deep_stringify_keys(value)
+      case value
+      when Hash
+        value.each_with_object({}) do |(k, v), acc|
+          acc[k.to_s] = deep_stringify_keys(v)
+        end
+      when Array
+        value.map { |v| deep_stringify_keys(v) }
+      else
+        value
+      end
+    end
   end
 end