instance method `before_validation`

Ruby on Rails 3.1.12

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

before_validation(*args, &block)

No documentation comment.

Parameters

args rest
block block

Source

# File activemodel/lib/active_model/validations/callbacks.rb, line 30
        def before_validation(*args, &block)
          options = args.last
          if options.is_a?(Hash) && options[:on]
            options[:if] = Array.wrap(options[:if])
            options[:if].unshift("self.validation_context == :#{options[:on]}")
          end
          set_callback(:validation, :before, *args, &block)
        end

Defined in activemodel/lib/active_model/validations/callbacks.rb line 30 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveModel::Validations::Callbacks::ClassMethods

Signature

Parameters