lib/rack/tracker/extensions.rb in rack-tracker-1.0.1 vs lib/rack/tracker/extensions.rb in rack-tracker-1.0.2

@@ -28,6 +28,37 @@
         self[k] = block && tv ? block.call(k, tv, v) : v
       end
     end
     self
   end
+
+  # NOTE Back ported from Rails 4 to 3
+  # Destructively convert all keys by using the block operation.
+  # This includes the keys from the root hash and from all
+  # nested hashes.
+  def deep_transform_keys!(&block)
+    _deep_transform_keys_in_object!(self, &block)
+  end unless method_defined? :deep_transform_keys!
+
+  def _deep_transform_keys_in_object!(object, &block)
+    case object
+    when Hash
+      object.keys.each do |key|
+        value = object.delete(key)
+        object[yield(key)] = _deep_transform_keys_in_object!(value, &block)
+      end
+      object
+    when Array
+      object.map! {|e| _deep_transform_keys_in_object!(e, &block)}
+    else
+      object
+    end
+  end unless method_defined? :_deep_transform_keys_in_object!
+
+  # NOTE Back ported from Rails 4 to 3
+  # Destructively convert all keys to strings.
+  # This includes the keys from the root hash and from all
+  # nested hashes.
+  def deep_stringify_keys!
+    deep_transform_keys!{ |key| key.to_s }
+  end unless method_defined? :deep_stringify_keys!
 end