Class: RuboCop::Cop::Style::CollectionMethods

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

Overview

This cop checks for uses of unidiomatic method names from the Enumerable module.

The current definition of the check is flawed and should be enhanced by check for by blocks & procs as arguments of the methods.

Constant Summary collapse

MSG = 
'Prefer `%s` over `%s`.'

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 collapse

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?, 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

begins_its_line?, 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

#autocorrect(node) ⇒ Object 



28
29
30
31
32
33
 
# File 'lib/rubocop/cop/style/collection_methods.rb', line 28

def autocorrect(node)
  @corrections << lambda do |corrector|
    corrector.replace(node.loc.selector,
                      preferred_method(node.loc.selector.source))
  end
end

#on_block(node) ⇒ Object 



15
16
17
18
19
 
# File 'lib/rubocop/cop/style/collection_methods.rb', line 15

def on_block(node)
  method, _args, _body = *node

  check_method_node(method)
end

#on_send(node) ⇒ Object 



21
22
23
24
25
26
 
# File 'lib/rubocop/cop/style/collection_methods.rb', line 21

def on_send(node)
  _receiver, _method_name, *args = *node
  return unless args.size == 1 && args.first.type == :block_pass

  check_method_node(node)
end