Module: Transpec::Syntax::Mixin::UselessAndReturn

Extended by:
ActiveSupport::Concern
Includes:
Send
Included in:
MessagingHost
Defined in:
lib/transpec/syntax/mixin/useless_and_return.rb

Defined Under Namespace

Classes: MonkeyPatchUselessAndReturnRecord, UselessAndReturnRecord

Instance Method Summary collapse

Methods included from Send

#arg_node, #arg_nodes, #arg_range, #args_range, #method_name, #parentheses_range, #range_after_arg, #range_in_between_receiver_and_selector, #range_in_between_selector_and_arg, #receiver_node, #receiver_range, #selector_range

Instance Method Details

#and_return? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/transpec/syntax/mixin/useless_and_return.rb', line 33

def and_return?
  !and_return_node.nil?
end

#and_return_node ⇒ Object 



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# File 'lib/transpec/syntax/mixin/useless_and_return.rb', line 37

def and_return_node
  return @and_return_node if instance_variable_defined?(:@and_return_node)

  @and_return_node = Util.each_backward_chained_node(node) do |chained_node|
    method_name = chained_node.children[1]
    break chained_node if method_name == :and_return
  end
end

#and_return_with_block? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/transpec/syntax/mixin/useless_and_return.rb', line 28

def and_return_with_block?
  block_node = Util.block_node_taken_by_method(and_return_node)
  !block_node.nil?
end

#remove_useless_and_return! ⇒ Object 



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# File 'lib/transpec/syntax/mixin/useless_and_return.rb', line 14

def remove_useless_and_return!
  return unless useless_and_return?
  map = and_return_node.loc
  and_return_range = map.dot.join(map.expression.end)
  remove(and_return_range)
  true
end

#useless_and_return? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/transpec/syntax/mixin/useless_and_return.rb', line 22

def useless_and_return?
  return false unless and_return?
  arg_node = and_return_node.children[2]
  arg_node.nil?
end