Merge pull request rails#26077 from kamipo/add_stype_empty_lines

Add `Style/EmptyLines` in `.rubocop.yml` and remove extra empty lines

Author: fxn

.rubocop.yml

@@ -20,6 +20,10 @@ Style/BracesAroundHashParameters:
 Style/CaseIndentation:
   Enabled: true
 
+# No extra empty lines.
+Style/EmptyLines:
+  Enabled: true
+
 # In a regular class definition, no empty lines around the body.
 Style/EmptyLinesAroundClassBody:
   Enabled: true

actioncable/lib/action_cable/channel/base.rb

@@ -177,7 +177,6 @@ def unsubscribe_from_channel # :nodoc:
         end
       end
 
-
       protected
         # Called once a consumer has become a subscriber of the channel. Usually the place to setup any streams
         # you want this channel to be sending to the subscriber.

actioncable/test/subscription_adapter/common.rb

@@ -23,7 +23,6 @@ def teardown
     [@rx_adapter, @tx_adapter].uniq.each(&:shutdown)
   end
 
-
   def subscribe_as_queue(channel, adapter = @rx_adapter)
     queue = Queue.new
 
@@ -41,7 +40,6 @@ def subscribe_as_queue(channel, adapter = @rx_adapter)
     adapter.unsubscribe(channel, callback) if subscribed.set?
   end
 
-
   def test_subscribe_and_unsubscribe
     subscribe_as_queue("channel") do |queue|
     end

actionmailer/test/base_test.rb

@@ -380,7 +380,6 @@ def welcome
     end
   end
 
-
   test "implicit multipart with several view paths uses the first one with template" do
     old = BaseMailer.view_paths
     begin

actionpack/lib/action_dispatch/journey/parser.rb

@@ -134,7 +134,6 @@ def polymorphic_path(record_or_hash_or_array, options = {})
                                                opts
       end
 
-
       %w(edit new).each do |action|
         module_eval <<-EOT, __FILE__, __LINE__ + 1
           def #{action}_polymorphic_url(record_or_hash, options = {})
@@ -211,7 +210,6 @@ def self.polymorphic_method(recipient, record_or_hash_or_array, action, type, op
               method, args = builder.handle_model record_or_hash_or_array
             end
 
-
             if options.empty?
               recipient.send(method, *args)
             else

actionpack/lib/action_dispatch/routing/polymorphic_routes.rb

@@ -247,7 +247,6 @@ class TestCase
   end
 end
 
-
 class ::ApplicationController < ActionController::Base
 end
 

actionpack/test/abstract_unit.rb

@@ -277,7 +277,6 @@ def test_xml_formatted_fragment_caching
       @store.read("views/test.host/functional_caching/formatted_fragment_cached/#{template_digest("functional_caching/formatted_fragment_cached")}")
   end
 
-
   def test_fragment_caching_with_variant
     get :formatted_fragment_cached_with_variant, format: "html", params: { v: :phone }
     assert_response :success

actionpack/test/controller/caching_test.rb

@@ -247,7 +247,6 @@ def test_helper=(helper_module)
     end
 end
 
-
 class IsolatedHelpersTest < ActionController::TestCase
   class A < ActionController::Base
     def index

actionpack/test/controller/helper_test.rb

@@ -51,7 +51,6 @@ def json_xml_or_html
     end
   end
 
-
   def forced_xml
     request.format = :xml
 
@@ -109,7 +108,6 @@ def custom_type_handling
     end
   end
 
-
   def custom_constant_handling
     respond_to do |type|
       type.html   { render body: "HTML"   }