instance method `transform_values`

Ruby on Rails 5.2.8.1

Since v4.2.9

Available in: 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:

transform_values()

Returns a new ActionController::Parameters with the results of running block once for every value. The keys are unchanged.

params = ActionController::Parameters.new(a: 1, b: 2, c: 3)
params.transform_values { |x| x * 2 }
# => <ActionController::Parameters {"a"=>2, "b"=>4, "c"=>6} permitted: false>

Source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 647
    def transform_values
      return to_enum(:transform_values) unless block_given?
      new_instance_with_inherited_permitted_status(
        @parameters.transform_values { |v| yield convert_value_to_parameters(v) }
      )
    end

Defined in actionpack/lib/action_controller/metal/strong_parameters.rb line 647 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionController::Parameters

Signature