method

transform_values

v7.1.3.4 - Show latest stable - 0 notes - Class: Parameters

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What's this?

transform_values() public

Returns a new +ActionController::Parameters+ instance 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>

Show source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 758
    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

transform_values

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