Cleanup

lib/datagrid/core.rb

@@ -9,13 +9,9 @@ def self.included(base)
  base.extend ClassMethods
  base.class_eval do
  class_attribute :scope_value
-
- class_attribute :datagrid_attributes, instance_writer: false
- self.datagrid_attributes = []
-
+ class_attribute :datagrid_attributes, instance_writer: false, default: []
  class_attribute :dynamic_block, instance_writer: false
- class_attribute :forbidden_attributes_protection, instance_writer: false
- self.forbidden_attributes_protection = false
+ class_attribute :forbidden_attributes_protection, instance_writer: false, default: false
  include ::ActiveModel::AttributeAssignment
  end
  base.include InstanceMethods
@@ -154,6 +150,11 @@ def attributes
 
  # Updates datagrid attributes with a passed hash argument
  # @param attributes [Hash<Symbol, Object>]
+ # @example
+ # grid = MyGrid.new
+ # grid.attributes = {first_name: 'John', last_name: 'Smith'}
+ # grid.first_name # => 'John'
+ # grid.last_name # => 'Smith'
  def attributes=(attributes)
  super(attributes)
  end

lib/datagrid/drivers/abstract_driver.rb

@@ -5,11 +5,10 @@ class AbstractDriver
 
  TIMESTAMP_CLASSES = [DateTime, Time, ActiveSupport::TimeWithZone]
 
- class_attribute :subclasses
+ class_attribute :subclasses, default: []
 
  def self.inherited(base)
  super(base)
- self.subclasses ||= []
  self.subclasses << base
  end
 

lib/datagrid/filters.rb

@@ -38,8 +38,7 @@ def self.included(base)
 
  include Datagrid::Core
  include Datagrid::Filters::CompositeFilters
- class_attribute :filters_array
- self.filters_array = []
+ class_attribute :filters_array, default: []
 
  end
  base.include InstanceMethods