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-rw-r--r--actionpack/lib/action_dispatch/middleware/stack.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/stack.rb b/actionpack/lib/action_dispatch/middleware/stack.rb
index a4308f528c..28e8fbdab8 100644
--- a/actionpack/lib/action_dispatch/middleware/stack.rb
+++ b/actionpack/lib/action_dispatch/middleware/stack.rb
@@ -93,8 +93,9 @@ module ActionDispatch
end
def swap(target, *args, &block)
- insert_before(target, *args, &block)
- delete(target)
+ index = assert_index(target, :before)
+ insert(index, *args, &block)
+ middlewares.delete_at(index + 1)
end
def delete(target)