Class: RuboCop::Cop::Style::WordArray

Inherits:

Cop

• Object
• Cop
• RuboCop::Cop::Style::WordArray

Includes:

ArraySyntax, ConfigurableMax

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

MSG =

'Use `%w` or `%W` for array of words.'

Constants included from Util

Util::ASGN_NODES, Util::EQUALS_ASGN_NODES, Util::OPERATOR_METHODS, Util::PROC_NEW_NODE, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary

• #on_array(node) ⇒ Object

Methods included from ConfigurableMax

#max=

Methods included from ArraySyntax

#array_of?, #square_brackets?

Methods inherited from Cop

#add_offense, all, #autocorrect?, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_type, #debug?, #display_cop_names?, #exclude_file?, #include_file?, inherited, #initialize, #join_force?, lint?, #message, non_rails, qualified_cop_name, rails?, #relevant_file?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

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

Methods included from PathUtil

match_path?, relative_path

Constructor Details

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

Instance Method Details

#on_array(node) ⇒ Object

# File 'lib/rubocop/cop/style/word_array.rb', line 17

def on_array(node)
  array_elems = node.children
  return unless array_of?(:str, node) &&
    !complex_content?(array_elems) &&
    array_elems.size > min_size && !comments_in_array?(node)

  add_offense(node, :expression) { self.max = array_elems.size }
end