method

attribute_names

v7.1.3.2 - Show latest stable - 0 notes - Class: ActiveModel::Errors

attribute_names() public

Returns all error attribute names

person.errors.messages        # => {:name=>["cannot be nil", "must be specified"]}
person.errors.attribute_names # => [:name]

Show source

# File activemodel/lib/active_model/errors.rb, line 237
    def attribute_names
      @errors.map(&:attribute).uniq.freeze
    end