From 5e6f3aea51d96453b82491f49b68047f92ed04a5 Mon Sep 17 00:00:00 2001
From: Awesome Code <team@xinminlabs.com>
Date: Sun, 17 Jan 2021 01:41:29 +0000
Subject: [PATCH] Auto corrected by following Lint Ruby Style/MutableConstant

---
 lib/synvert/core/rewriter/action.rb   | 2 +-
 lib/synvert/core/rewriter/gem_spec.rb | 2 +-
 lib/synvert/core/rewriter/instance.rb | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/synvert/core/rewriter/action.rb b/lib/synvert/core/rewriter/action.rb
index 2cc27dc0..720dfc1a 100644
--- a/lib/synvert/core/rewriter/action.rb
+++ b/lib/synvert/core/rewriter/action.rb
@@ -3,7 +3,7 @@
 module Synvert::Core
   # Action defines rewriter action, add, replace or remove code.
   class Rewriter::Action
-    DEFAULT_OPTIONS = { autoindent: true }
+    DEFAULT_OPTIONS = { autoindent: true }.freeze
     DEFAULT_INDENT = 2
 
     # Initialize an action.
diff --git a/lib/synvert/core/rewriter/gem_spec.rb b/lib/synvert/core/rewriter/gem_spec.rb
index 6d5ad45c..3b079c23 100644
--- a/lib/synvert/core/rewriter/gem_spec.rb
+++ b/lib/synvert/core/rewriter/gem_spec.rb
@@ -3,7 +3,7 @@
 module Synvert::Core
   # GemSpec checks and compares gem version.
   class Rewriter::GemSpec
-    OPERATORS = {eq: '==', lt: '<', gt: '>', lte: '<=', gte: '>=', ne: '!='}
+    OPERATORS = {eq: '==', lt: '<', gt: '>', lte: '<=', gte: '>=', ne: '!='}.freeze
 
     # Initialize a gem_spec.
     #
diff --git a/lib/synvert/core/rewriter/instance.rb b/lib/synvert/core/rewriter/instance.rb
index 7886f9ac..e540b903 100644
--- a/lib/synvert/core/rewriter/instance.rb
+++ b/lib/synvert/core/rewriter/instance.rb
@@ -64,7 +64,7 @@ def reset
     #   @return current filename
     attr_accessor :current_node, :current_file
 
-    DEFAULT_OPTIONS = { sort_by: 'begin_pos' }
+    DEFAULT_OPTIONS = { sort_by: 'begin_pos' }.freeze
 
     # Initialize an instance.
     #