Class: Rubocop::Cop::Style::WordArray

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

Overview

This cop checks for array literals made up of word-like strings, that are not using the %w() syntax.

Constant Summary collapse

MSG = 
'Use %w or %W for array of words.'

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_array(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/word_array.rb', line 11

def on_array(node)
  return unless node.loc.begin && node.loc.begin.is?('[')

  array_elems = node.children

  # no need to check empty arrays
  return unless array_elems && array_elems.size > 1

  string_array = array_elems.all? { |e| e.type == :str }

  if string_array && !complex_content?(array_elems)
    add_offence(:convention, node.loc.expression, MSG)
  end
end