Bump RuboCop to v0.83.x

.rubocop.yml

@@ -21,6 +21,8 @@ AllCops:
     - script/**/*
     - vendor/**/*
     - tmp/**/*
+Layout/EmptyLinesAroundAttributeAccessor:
+  Enabled: false
 Layout/HashAlignment:
   EnforcedHashRocketStyle: table
 Layout/IndentationWidth:
@@ -165,6 +167,8 @@ Style/RescueModifier:
 Style/SafeNavigation:
   Exclude:
     - lib/jekyll/document.rb
+Style/SlicingWithRange:
+  Enabled: false
 Style/SignalException:
   EnforcedStyle: only_raise
 Style/StringLiterals:

Gemfile

@@ -27,7 +27,7 @@ group :test do
   gem "nokogiri", "~> 1.7"
   gem "rspec"
   gem "rspec-mocks"
-  gem "rubocop", "~> 0.82.0"
+  gem "rubocop", "~> 0.83.0"
   gem "rubocop-performance"
   gem "test-dependency-theme", :path => File.expand_path("test/fixtures/test-dependency-theme", __dir__)
   gem "test-theme", :path => File.expand_path("test/fixtures/test-theme", __dir__)

lib/jekyll/entry_filter.rb

@@ -3,6 +3,7 @@
 module Jekyll
   class EntryFilter
     attr_reader :site
+
     SPECIAL_LEADING_CHAR_REGEX = %r!\A#{Regexp.union([".", "_", "#", "~"])}!o.freeze
 
     def initialize(site, base_directory = nil)

lib/jekyll/readers/collection_reader.rb

@@ -5,6 +5,7 @@ module Jekyll
     SPECIAL_COLLECTIONS = %w(posts data).freeze
 
     attr_reader :site, :content
+
     def initialize(site)
       @site = site
       @content = {}

lib/jekyll/readers/data_reader.rb

@@ -3,6 +3,7 @@
 module Jekyll
   class DataReader
     attr_reader :site, :content
+
     def initialize(site)
       @site = site
       @content = {}

lib/jekyll/readers/layout_reader.rb

@@ -3,6 +3,7 @@
 module Jekyll
   class LayoutReader
     attr_reader :site
+
     def initialize(site)
       @site = site
       @layouts = {}

lib/jekyll/readers/page_reader.rb

@@ -3,6 +3,7 @@
 module Jekyll
   class PageReader
     attr_reader :site, :dir, :unfiltered_content
+
     def initialize(site, dir)
       @site = site
       @dir = dir

lib/jekyll/readers/post_reader.rb

@@ -3,6 +3,7 @@
 module Jekyll
   class PostReader
     attr_reader :site, :unfiltered_content
+
     def initialize(site)
       @site = site
     end

lib/jekyll/readers/static_file_reader.rb

@@ -3,6 +3,7 @@
 module Jekyll
   class StaticFileReader
     attr_reader :site, :dir, :unfiltered_content
+
     def initialize(site, dir)
       @site = site
       @dir = dir

lib/jekyll/readers/theme_assets_reader.rb

@@ -3,6 +3,7 @@
 module Jekyll
   class ThemeAssetsReader
     attr_reader :site
+
     def initialize(site)
       @site = site
     end

lib/jekyll/theme.rb

@@ -4,6 +4,7 @@ module Jekyll
   class Theme
     extend Forwardable
     attr_reader   :name
+
     def_delegator :gemspec, :version, :version
 
     def initialize(name)