Improvements

4 files changed, 14 insertions, 26 deletions

diff --git a/lib/axlsx.rb b/lib/axlsx.rb
index c30fcf26..e02256e6 100644
--- a/lib/axlsx.rb
+++ b/lib/axlsx.rb
@@ -28,8 +28,19 @@ require 'zip'
 
 #core dependencies
 require 'bigdecimal'
+require 'set'
 require 'time'
 
+begin
+  require "axlsx_styler"
+
+  if defined?(AxlsxStyler)
+    raise StandardError.new("Please remove `axlsx_styler` from your Gemfile, the associated functionality is now built-in to `caxlsx` directly.")
+  end
+rescue LoadError
+  # Do nothing, all good
+end
+
 # xlsx generation with charts, images, automated column width, customizable styles
 # and full schema validation. Axlsx excels at helping you generate beautiful
 # Office Open XML Spreadsheet documents without having to understand the entire
diff --git a/lib/axlsx/workbook/workbook.rb b/lib/axlsx/workbook/workbook.rb
index 417e15a3..ef56debd 100644
--- a/lib/axlsx/workbook/workbook.rb
+++ b/lib/axlsx/workbook/workbook.rb
@@ -188,7 +188,9 @@ require 'axlsx/workbook/worksheet/selection.rb'
     end
 
     # An array that holds all cells with styles
-    attr_accessor :styled_cells
+    def styled_cells
+      @styled_cells ||= Set.new
+    end
 
     # Checks if styles are indexed to make it work for pre 0.1.5 version
     # users that still explicitly call @workbook.apply_styles
@@ -418,18 +420,5 @@ require 'axlsx/workbook/worksheet/selection.rb'
       str << '</workbook>'
     end
 
-    private
-
-    # Utility method for performing a deep merge on a Hash
-    def hash_deep_merge(first_hash, second_hash)
-      first_hash.merge(second_hash) do |key, this_val, other_val|
-        if this_val.is_a?(Hash) && other_val.is_a?(Hash)
-          this_val.deep_merge(other_val, &block)
-        else
-          other_val
-        end
-      end
-    end
-
   end
 end
diff --git a/lib/axlsx/workbook/worksheet/cell.rb b/lib/axlsx/workbook/worksheet/cell.rb
index 9ab93e61..125ca051 100644
--- a/lib/axlsx/workbook/worksheet/cell.rb
+++ b/lib/axlsx/workbook/worksheet/cell.rb
@@ -87,7 +87,6 @@ module Axlsx
     # The index of the cellXfs item to be applied to this cell.
     # @param [Hash] styles
     # @see Axlsx::Styles
-    require 'set' ### TODO: move to appropriate place
     def add_style(style)
       self.raw_style ||= {}
 
@@ -106,7 +105,6 @@ module Axlsx
 
       wb = row.worksheet.workbook
       
-      wb.styled_cells ||= Set.new
       wb.styled_cells << self
     end
 
diff --git a/lib/caxlsx.rb b/lib/caxlsx.rb
index 1dcc6005..a82d49fb 100644
--- a/lib/caxlsx.rb
+++ b/lib/caxlsx.rb
@@ -1,12 +1,2 @@
 # encoding: UTF-8
 require 'axlsx.rb'
-
-begin
-  require "axlsx_styler"
-
-  if defined?(AxlsxStyler)
-    raise StandardError.new("Please remove `axlsx_styler` from your Gemfile, the associated functionality is now built-in to `caxlsx` directly.")
-  end
-rescue LoadError
-  # Do nothing, all good
-end