Method: ActionController::MiddlewareStack#build

Defined in:
lib/action_controller/metal.rb

#build(action, app = nil, &block) ⇒ Object 



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# File 'lib/action_controller/metal.rb', line 31

def build(action, app = nil, &block)
  action = action.to_s

  middlewares.reverse.inject(app || block) do |a, middleware|
    middleware.valid?(action) ? middleware.build(a) : a
  end
end