Class: Rubocop::Cop::Style::FavorUnlessOverNegatedIf

Inherits:
Cop
  • Object
show all
Includes:
FavorOtherKeywordOverNegation
Defined in:
lib/rubocop/cop/style/favor_unless_over_negated_if.rb

Overview

Checks for uses of if with a negated condition. Only ifs without else are considered.

Constant Summary

Constants inherited from Cop

Cop::OPERATOR_METHODS

Constants included from Util

Util::PROC_NEW_NODE

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods included from FavorOtherKeywordOverNegation

#check

Methods inherited from Cop

#add_offence, all, #autocorrect?, #config_to_allow_offences, #config_to_allow_offences=, #cop_config, cop_name, #cop_name, cop_type, #debug?, #exclude_file?, #exclude_paths, #ignore_node, #include_file?, #include_paths, inherited, #initialize, lint?, #message, non_rails, rails?, #relevant_file?, style?, #support_autocorrect?

Methods included from Util

block_length, command?, comment_line?, const_name, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, on_node, proc?, range_with_surrounding_space, source_range, strip_quotes

Constructor Details

This class inherits a constructor from Rubocop::Cop::Cop

Instance Method Details

#error_message ⇒ Object 



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# File 'lib/rubocop/cop/style/favor_unless_over_negated_if.rb', line 36

def error_message
  'Favor unless (or control flow or) over if for negative conditions.'
end

#on_if(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/favor_unless_over_negated_if.rb', line 29

def on_if(node)
  return unless node.loc.respond_to?(:keyword)
  return if node.loc.keyword.is?('elsif')

  check(node)
end