class RuboCop::Cop::Lint::SafeNavigationChain

x&.foo || bar
x&.foo&.bar
# good

@example

x&.foo[bar]
x&.foo + bar
x&.foo.bar
# bad
@example
This cop checks for the problem outlined above.
safe navigation operator after a safe navigation operator.
navigation operator, it raises NoMethodError. We should use a
nil. If you chain an ordinary method call after a safe
The safe navigation operator returns nil if the receiver is

def autocorrect(node) 

def autocorrect(node)
  dot = node.loc.dot
  return unless dot
  lambda do |corrector|
    corrector.insert_before(dot, '&')
  end
end

def nil_methods 

def nil_methods
  nil.methods + ADDITIONAL_NIL_METHODS
end

def on_send(node) 

def on_send(node)
  bad_method?(node) do |method|
    return if nil_methods.include?(method)
    loc = node.loc.dot || :selector
    add_offense(node, loc)
  end
end