Merge pull request #267 from tagliala/chore/freeze-mutable-constants

Fix Style/MutableConstant offenses

4 files changed, 5 insertions, 5 deletions

diff --git a/lib/axlsx/drawing/cat_axis.rb b/lib/axlsx/drawing/cat_axis.rb
index 2f40f29f..d26e3dc9 100644
--- a/lib/axlsx/drawing/cat_axis.rb
+++ b/lib/axlsx/drawing/cat_axis.rb
@@ -42,7 +42,7 @@ module Axlsx
     alias :tickMarkSkip :tick_mark_skip
 
     # regex for validating label offset
-    LBL_OFFSET_REGEX = /0*(([0-9])|([1-9][0-9])|([1-9][0-9][0-9])|1000)/
+    LBL_OFFSET_REGEX = /0*(([0-9])|([1-9][0-9])|([1-9][0-9][0-9])|1000)/.freeze
 
     # @see tick_lbl_skip
     def tick_lbl_skip=(v) Axlsx::validate_unsigned_int(v); @tick_lbl_skip = v; end
diff --git a/lib/axlsx/drawing/line_3D_chart.rb b/lib/axlsx/drawing/line_3D_chart.rb
index f9f9606e..60572785 100644
--- a/lib/axlsx/drawing/line_3D_chart.rb
+++ b/lib/axlsx/drawing/line_3D_chart.rb
@@ -26,7 +26,7 @@ module Axlsx
     alias :gapDepth :gap_depth
 
     # validation regex for gap amount percent
-    GAP_AMOUNT_PERCENT = /0*(([0-9])|([1-9][0-9])|([1-4][0-9][0-9])|500)%/
+    GAP_AMOUNT_PERCENT = /0*(([0-9])|([1-9][0-9])|([1-4][0-9][0-9])|500)%/.freeze
 
     # the category axis
     # @return [Axis]
diff --git a/lib/axlsx/drawing/pic.rb b/lib/axlsx/drawing/pic.rb
index fa08bd83..320a5254 100644
--- a/lib/axlsx/drawing/pic.rb
+++ b/lib/axlsx/drawing/pic.rb
@@ -30,7 +30,7 @@ module Axlsx
     end
 
     # allowed mime types
-    ALLOWED_MIME_TYPES = %w(image/jpeg image/png image/gif)
+    ALLOWED_MIME_TYPES = %w(image/jpeg image/png image/gif).freeze
 
     # The name to use for this picture
     # @return [String]
diff --git a/lib/axlsx/drawing/view_3D.rb b/lib/axlsx/drawing/view_3D.rb
index 9b1b5cb2..9b3489a3 100644
--- a/lib/axlsx/drawing/view_3D.rb
+++ b/lib/axlsx/drawing/view_3D.rb
@@ -18,10 +18,10 @@ module Axlsx
     end
 
     # Validation for hPercent
-    H_PERCENT_REGEX = /0*(([5-9])|([1-9][0-9])|([1-4][0-9][0-9])|500)/
+    H_PERCENT_REGEX = /0*(([5-9])|([1-9][0-9])|([1-4][0-9][0-9])|500)/.freeze
 
     # validation for depthPercent
-    DEPTH_PERCENT_REGEX = /0*(([2-9][0-9])|([1-9][0-9][0-9])|(1[0-9][0-9][0-9])|2000)/
+    DEPTH_PERCENT_REGEX = /0*(([2-9][0-9])|([1-9][0-9][0-9])|(1[0-9][0-9][0-9])|2000)/.freeze
 
     # x rotation for the chart
     # must be between -90 and 90