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Class: RuboCop::Cop::UnusedArgCorrector

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, RangeHelp
Inherits: Object
Defined in: lib/rubocop/cop/correctors/unused_arg_corrector.rb

Overview

This autocorrects unused arguments.

Class Attribute Summary

Class Method Summary

RangeHelp - Extended

add_range,
arguments_range

A range containing the first to the last argument of a method call or method definition.
column_offset_between,
contents_range

A range containing only the contents of a literal with delimiters (e.g.
directions,
effective_column

Returns the column attribute of the range, except if the range is on the first line and there’s a byte order mark at the beginning of that line, in which case 1 is subtracted from the column value.
final_pos, move_pos, move_pos_str, range_between, range_by_whole_lines, range_with_comments, range_with_comments_and_lines, range_with_surrounding_comma, range_with_surrounding_space, source_range

Class Attribute Details

.processed_source (readonly)

[ GitHub ] 

  


# File 'lib/rubocop/cop/correctors/unused_arg_corrector.rb', line 10



attr_reader :processed_source


  







Class Method Details



  

    .correct(corrector, processed_source, node)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/unused_arg_corrector.rb', line 12



def correct(corrector, processed_source, node)
  return if %i[kwarg kwoptarg].include?(node.type)

  @processed_source = processed_source

  if node.blockarg_type?
    correct_for_blockarg_type(corrector, node)
  else
    variable_name = if node.optarg_type?
                      node.node_parts[0]
                    else
                      # Extract only a var name without splat (`*`)
                      node.source.gsub(/\A\*+/, '')
                    end

    corrector.replace(node.loc.name, "_#{variable_name}")
  end
end


  








  

    .correct_for_blockarg_type(corrector, node)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/unused_arg_corrector.rb', line 31



def correct_for_blockarg_type(corrector, node)
  range = range_with_surrounding_space(node.source_range, side: :left)
  range = range_with_surrounding_comma(range, :left)

  corrector.remove(range)
end