instance method
add_on_blank
Ruby on Rails 5.0.7.2
Since v3.0.20 Last seen in v5.0.7.2Signature
add_on_blank(attributes, options = {})Will add an error message to each of the attributes in attributes that is blank (using Object#blank?).
person.errors.add_on_blank(:name)
person.errors.messages
# => {:name=>["can't be blank"]}
Parameters
-
attributesreq -
optionsopt = {}
Source
# File activemodel/lib/active_model/errors.rb, line 369
def add_on_blank(attributes, options = {})
ActiveSupport::Deprecation.warn(<<-MESSAGE.squish)
ActiveModel::Errors#add_on_blank is deprecated and will be removed in Rails 5.1.
To achieve the same use:
errors.add(attribute, :blank, options) if value.blank?
MESSAGE
Array(attributes).each do |attribute|
value = @base.send(:read_attribute_for_validation, attribute)
add(attribute, :blank, options) if value.blank?
end
end
Defined in activemodel/lib/active_model/errors.rb line 369
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Defined in ActiveModel::Errors