1 files changed, 22 insertions, 0 deletions
diff --git a/actionview/lib/action_view/template/inline.rb b/actionview/lib/action_view/template/inline.rb
new file mode 100644
index 0000000000..44658487ea
--- /dev/null
+++ b/actionview/lib/action_view/template/inline.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+module ActionView #:nodoc:
+  class Template #:nodoc:
+    class Inline < Template #:nodoc:
+      # This finalizer is needed (and exactly with a proc inside another proc)
+      # otherwise templates leak in development.
+      Finalizer = proc do |method_name, mod| # :nodoc:
+        proc do
+          mod.module_eval do
+            remove_possible_method method_name
+          end
+        end
+      end
+
+      def compile(mod)
+        super
+        ObjectSpace.define_finalizer(self, Finalizer[method_name, mod])
+      end
+    end
+  end
+end