From 84a7132924b1c56f712a830b4e016a3c033923bf Mon Sep 17 00:00:00 2001
From: Geremia Taglialatela <tagliala.dev@gmail.com>
Date: Wed, 17 May 2023 11:17:45 +0200
Subject: Do not use collection literal in loops

Also refactors Page margins to avoid code duplication
---
 .rubocop_todo.yml                            | 6 ------
 lib/axlsx/package.rb                         | 6 +++---
 lib/axlsx/util/constants.rb                  | 4 ++--
 lib/axlsx/workbook/worksheet/page_margins.rb | 9 ++++++---
 4 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index a0260f2e..dab9ffb2 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -77,12 +77,6 @@ Lint/UnusedMethodArgument:
     - 'lib/axlsx/package.rb'
     - 'lib/axlsx/util/validators.rb'
 
-# Configuration parameters: MinSize.
-Performance/CollectionLiteralInLoop:
-  Exclude:
-    - 'lib/axlsx/package.rb'
-    - 'lib/axlsx/workbook/worksheet/page_margins.rb'
-
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: separated, grouped
diff --git a/lib/axlsx/package.rb b/lib/axlsx/package.rb
index 2983ed72..20195ddc 100644
--- a/lib/axlsx/package.rb
+++ b/lib/axlsx/package.rb
@@ -330,11 +330,11 @@ module Axlsx
       end
       exts = workbook.images.map { |image| image.extname.downcase }
       exts.uniq.each do |ext|
-        ct = if ['jpeg', 'jpg'].include?(ext)
+        ct = if JPEG_EXS.include?(ext)
                JPEG_CT
-             elsif ext == 'gif'
+             elsif ext == GIF_EX
                GIF_CT
-             elsif ext == 'png'
+             elsif ext == PNG_EX
                PNG_CT
              end
         c_types << Axlsx::Default.new(:ContentType => ct, :Extension => ext)
diff --git a/lib/axlsx/util/constants.rb b/lib/axlsx/util/constants.rb
index 138c8bf0..459e0099 100644
--- a/lib/axlsx/util/constants.rb
+++ b/lib/axlsx/util/constants.rb
@@ -166,8 +166,8 @@ module Axlsx
   # xml content type extensions
   XML_EX = "xml"
 
-  # jpeg extension
-  JPEG_EX = "jpeg"
+  # jpeg extensions
+  JPEG_EXS = ["jpeg", "jpg"].freeze
 
   # gif extension
   GIF_EX = "gif"
diff --git a/lib/axlsx/workbook/worksheet/page_margins.rb b/lib/axlsx/workbook/worksheet/page_margins.rb
index 4d133c5a..9c2ddd8e 100644
--- a/lib/axlsx/workbook/worksheet/page_margins.rb
+++ b/lib/axlsx/workbook/worksheet/page_margins.rb
@@ -29,7 +29,10 @@ module Axlsx
       parse_options options
     end
 
-    serializable_attributes :left, :right, :bottom, :top, :header, :footer
+    # Possible margins to set
+    MARGIN_KEYS = [:left, :right, :top, :bottom, :header, :footer].freeze
+
+    serializable_attributes(*MARGIN_KEYS)
 
     # Default left and right margin (in inches)
     DEFAULT_LEFT_RIGHT = 0.75
@@ -65,10 +68,10 @@ module Axlsx
     attr_reader :footer
 
     # Set some or all margins at once.
-    # @param [Hash] margins the margins to set (possible keys are :left, :right, :top, :bottom, :header and :footer).
+    # @param [Hash] margins the margins to set. See {MARGIN_KEYS} for a list of possible keys.
     def set(margins)
       margins.select do |k, v|
-        next unless [:left, :right, :top, :bottom, :header, :footer].include? k
+        next unless MARGIN_KEYS.include? k
 
         send("#{k}=", v)
       end
-- 
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