Module: Lean::Utils::InheritableClassAttributes::ClassMethods

Defined in:
lib/lean-utils/inheritable_class_attributes/class_methods.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#_inheritable_class_attrs ⇒ Object 



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# File 'lib/lean-utils/inheritable_class_attributes/class_methods.rb', line 7

def _inheritable_class_attrs
  @_inheritable_class_attrs ||= []
end

Instance Method Details

#inheritable_class_attr(attr_name) ⇒ Object 



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# File 'lib/lean-utils/inheritable_class_attributes/class_methods.rb', line 11

def inheritable_class_attr(attr_name)
  self._inheritable_class_attrs += Array(attr_name)
end

#inherited(subclass) ⇒ Object 



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# File 'lib/lean-utils/inheritable_class_attributes/class_methods.rb', line 15

def inherited(subclass)
  _inheritable_class_attrs.each do |attribute|
    subclass.instance_eval(inherited_class_attribute_method(attribute))
  end
end

#inherited_class_attribute_method(attribute) ⇒ Object 



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# File 'lib/lean-utils/inheritable_class_attributes/class_methods.rb', line 21

def inherited_class_attribute_method(attribute)
  "    def \#{attribute}(*args)\n      if @\#{attribute}.nil?\n        @\#{attribute} = begin\n                          superclass.\#{attribute}.clone\n                        rescue TypeError\n                          superclass.\#{attribute}\n                        end\n      end\n\n      super\n    end\n  EOS\nend\n"