Class: Plutonium::Lib::DeepFreezer

Inherits:
Object
  • Object
show all
Defined in:
lib/plutonium/lib/deep_freezer.rb

Class Method Summary collapse

Class Method Details

.freeze(object) ⇒ Object 



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# File 'lib/plutonium/lib/deep_freezer.rb', line 6

def self.freeze(object)
  # Never freeze Class or Module objects - they have mutable state that Rails needs
  return object if object.is_a?(Class) || object.is_a?(Module)

  #  Recursive calling #deep_freeze for enumerable objects.
  if object.respond_to? :each
    if object.instance_of?(Hash)
      object.each { |key, val| freeze(val) }
    else
      object.each { |val| freeze(val) }
    end
  end

  if object.frozen?
    object
  else
    object.freeze
  end
end