From 58c1184716ac790a570117bbd497f116274530b9 Mon Sep 17 00:00:00 2001
From: fatkodima <fatkodima123@gmail.com>
Date: Sun, 6 Oct 2019 22:50:38 +0300
Subject: [PATCH] Faster Hash duping in #json_clone (#4314)

* Faster Hash duping in #json_clone

* Reorder branches for json_clone
---
 lib/sidekiq/processor.rb | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/sidekiq/processor.rb b/lib/sidekiq/processor.rb
index 158117bb..71467850 100644
--- a/lib/sidekiq/processor.rb
+++ b/lib/sidekiq/processor.rb
@@ -278,15 +278,15 @@ module Sidekiq
     # the job fails, what is pushed back onto Redis hasn't
     # been mutated by the worker.
     def json_clone(obj)
-      if Integer === obj || Float === obj || TrueClass === obj || FalseClass === obj || NilClass === obj
-        obj
-      elsif String === obj
+      if String === obj
         obj.dup
+      elsif Integer === obj || Float === obj || TrueClass === obj || FalseClass === obj || NilClass === obj
+        obj
       elsif Array === obj
         obj.map { |e| json_clone(e) }
       elsif Hash === obj
-        duped = obj.dup
-        duped.each_pair do |key, value|
+        duped = {}
+        obj.each_pair do |key, value|
           duped[key] = json_clone(value)
         end
         duped