Add more rubocop rules about whitespaces

4 files changed, 4 insertions, 4 deletions

diff --git a/actioncable/lib/action_cable/channel/naming.rb b/actioncable/lib/action_cable/channel/naming.rb
index b7e88bf73d..b565cb3cac 100644
--- a/actioncable/lib/action_cable/channel/naming.rb
+++ b/actioncable/lib/action_cable/channel/naming.rb
@@ -12,7 +12,7 @@ module ActionCable
         #   Chats::AppearancesChannel.channel_name # => 'chats:appearances'
         #   FooChats::BarAppearancesChannel.channel_name # => 'foo_chats:bar_appearances'
         def channel_name
-          @channel_name ||= name.sub(/Channel$/, "").gsub("::",":").underscore
+          @channel_name ||= name.sub(/Channel$/, "").gsub("::", ":").underscore
         end
       end
 
diff --git a/actioncable/lib/action_cable/engine.rb b/actioncable/lib/action_cable/engine.rb
index 4c5c975cd8..e23527b84e 100644
--- a/actioncable/lib/action_cable/engine.rb
+++ b/actioncable/lib/action_cable/engine.rb
@@ -34,7 +34,7 @@ module ActionCable
         previous_connection_class = self.connection_class
         self.connection_class = -> { "ApplicationCable::Connection".safe_constantize || previous_connection_class.call }
 
-        options.each { |k,v| send("#{k}=", v) }
+        options.each { |k, v| send("#{k}=", v) }
       end
     end
 
diff --git a/actioncable/lib/action_cable/remote_connections.rb b/actioncable/lib/action_cable/remote_connections.rb
index 720ba52d19..d2856bc6ae 100644
--- a/actioncable/lib/action_cable/remote_connections.rb
+++ b/actioncable/lib/action_cable/remote_connections.rb
@@ -54,7 +54,7 @@ module ActionCable
 
           def set_identifier_instance_vars(ids)
             raise InvalidIdentifiersError unless valid_identifiers?(ids)
-            ids.each { |k,v| instance_variable_set("@#{k}", v) }
+            ids.each { |k, v| instance_variable_set("@#{k}", v) }
           end
 
           def valid_identifiers?(ids)
diff --git a/actioncable/lib/action_cable/subscription_adapter/subscriber_map.rb b/actioncable/lib/action_cable/subscription_adapter/subscriber_map.rb
index 4ec513e3ba..4cce86dcca 100644
--- a/actioncable/lib/action_cable/subscription_adapter/subscriber_map.rb
+++ b/actioncable/lib/action_cable/subscription_adapter/subscriber_map.rb
@@ -2,7 +2,7 @@ module ActionCable
   module SubscriptionAdapter
     class SubscriberMap
       def initialize
-        @subscribers = Hash.new { |h,k| h[k] = [] }
+        @subscribers = Hash.new { |h, k| h[k] = [] }
         @sync = Mutex.new
       end