Class: Rubocop::Cop::Style::ConstantName

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

Overview

This cop checks whether constant names are written using SCREAMING_SNAKE_CASE.

To avoid false positives, it ignores cases in which we cannot know for certain the type of value that would be assigned to a constant.

Constant Summary collapse

MSG = 
'Use SCREAMING_SNAKE_CASE for constants.'
SNAKE_CASE = 
/^[\dA-Z_]+$/

Constants inherited from Cop

Cop::OPERATOR_METHODS

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect?, #convention, #cop_config, cop_name, #cop_name, cop_type, #debug?, #ignore_node, inherited, #initialize, lint?, #message, non_rails, rails?, style?, #support_autocorrect?, #warning

Constructor Details

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

Instance Method Details

#on_casgn(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/constant_name.rb', line 15

def on_casgn(node)
  _scope, const_name, value = *node

  # We cannot know the result of method calls line
  # NewClass = something_that_returns_a_class
  unless value && [:send, :block].include?(value.type)
    convention(node, :name) if const_name !~ SNAKE_CASE
  end
end