instance method `add_on_blank`

Ruby on Rails 3.0.20

Since v3.0.20 Last seen in v4.2.9

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9

Compare with:

add_on_blank(attributes, options = {})

Will add an error message to each of the attributes in attributes that is blank (using Object#blank?).

Parameters

attributes req
options opt = {}

Source

# File activemodel/lib/active_model/errors.rb, line 214
    def add_on_blank(attributes, options = {})
      if options && !options.is_a?(Hash)
        options = { :message => options }
        ActiveSupport::Deprecation.warn \
          "ActiveModel::Errors#add_on_blank(attributes, custom_message) has been deprecated.\n" +
          "Instead of passing a custom_message pass an options Hash { :message => custom_message }."
      end

      [attributes].flatten.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 214 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveModel::Errors

Signature

Parameters