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.

Instance Attribute Summary

Attributes inherited from Cop

#autocorrect, #corrections, #debug, #disabled_lines, #offences

Instance Method Summary collapse

Methods included from FavorOtherKeywordOverNegation

#check

Methods inherited from Cop

#add_offence, all, #autocorrect_action, cop_name, cop_type, #do_autocorrect, #ignore_node, inherited, #initialize, lint?, #name, rails?, style?

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