re: RuboCop - replace rocket style hashes

lib/active_model_serializers/railtie.rb

@@ -23,7 +23,7 @@ module ActiveModelSerializers
     # This hook is run after the action_controller railtie has set the configuration
     # based on the *environment* configuration and before any config/initializers are run
     # and also before eager_loading (if enabled).
-    initializer 'active_model_serializers.set_configs', :after => 'action_controller.set_configs' do
+    initializer 'active_model_serializers.set_configs', after: 'action_controller.set_configs' do
       ActiveModelSerializers.logger = Rails.configuration.action_controller.logger
       ActiveModelSerializers.config.perform_caching = Rails.configuration.action_controller.perform_caching
       # We want this hook to run after the config has been set, even if ActionController has already loaded.

lib/active_model_serializers/register_jsonapi_renderer.rb

@@ -53,7 +53,7 @@ module ActiveModelSerializers::Jsonapi
   def self.parser
     lambda do |body|
       data = JSON.parse(body)
-      data = { :_json => data } unless data.is_a?(Hash)
+      data = { _json: data } unless data.is_a?(Hash)
       data.with_indifferent_access
     end
   end

lib/generators/rails/serializer_generator.rb

@@ -2,11 +2,11 @@ module Rails
   module Generators
     class SerializerGenerator < NamedBase
       source_root File.expand_path('../templates', __FILE__)
-      check_class_collision :suffix => 'Serializer'
+      check_class_collision suffix: 'Serializer'
 
-      argument :attributes, :type => :array, :default => [], :banner => 'field:type field:type'
+      argument :attributes, type: :array, default: [], banner: 'field:type field:type'
 
-      class_option :parent, :type => :string, :desc => 'The parent class for the generated serializer'
+      class_option :parent, type: :string, desc: 'The parent class for the generated serializer'
 
       def create_serializer_file
         template 'serializer.rb.erb', File.join('app/serializers', class_path, "#{file_name}_serializer.rb")