class RuboCop::Cop::Style::NestedTernaryOperator

This cop checks for nested ternary op expressions.

def on_if(node) 

def on_if(node)
  return unless ternary?(node)
  node.each_descendant(:if) do |nested_if_node|
    add_offense(nested_if_node, :expression) if ternary?(nested_if_node)
  end
end