add_on_empty(attributes, options = {})
public
Will add an error message to each of the attributes in
attributes that is empty.
# File activemodel/lib/active_model/errors.rb, line 242
def add_on_empty(attributes, options = {})
[attributes].flatten.each do |attribute|
value = @base.send(:read_attribute_for_validation, attribute)
is_empty = value.respond_to?(:empty?) ? value.empty? : false
add(attribute, :empty, options) if value.nil? || is_empty
end
end
