Class: Rubocop::Cop::Style::ModuleFunction

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

Overview

This cops checks for use of extend self in a module.

module Test extend self

... end

Constant Summary collapse

MSG =
'Use `module_function` instead of `extend self`.'
TARGET_NODE =
s(:send, nil, :extend, s(:self))

Instance Attribute Summary

Attributes inherited from Cop

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

Instance Method Summary collapse

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

#on_module(node) ⇒ Object



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# File 'lib/rubocop/cop/style/module_function.rb', line 20

def on_module(node)
  _name, body = *node

  if body && body.type == :begin
    body.children.each do |body_node|
      if body_node == TARGET_NODE
        add_offence(:convention, body_node.loc.expression, MSG)
      end
    end
  end
end