Class: RuboCop::Cop::Lint::DeprecatedClassMethods

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Defined in:
lib/rubocop/cop/lint/deprecated_class_methods.rb

Overview

This cop checks for uses of the deprecated class method usages.

Examples:


# bad

File.exists?(some_path)
Dir.exists?(some_path)
iterator?

# good

File.exist?(some_path)
Dir.exist?(some_path)
block_given?

Defined Under Namespace

Classes: DeprecatedClassMethod

Constant Summary collapse

MSG = 
'`%<current>s` is deprecated in favor of `%<prefer>s`.'
DEPRECATED_METHODS_OBJECT = 
[
  DeprecatedClassMethod.new(deprecated: :exists?,
                            replacement: :exist?,
                            class_constant: :File),
  DeprecatedClassMethod.new(deprecated: :exists?,
                            replacement: :exist?,
                            class_constant: :Dir),
  DeprecatedClassMethod.new(deprecated: :iterator?,
                            replacement: :block_given?)
].freeze
RESTRICT_ON_SEND = 
DEPRECATED_METHODS_OBJECT.map(&:deprecated_method).freeze

Instance Attribute Summary

Attributes inherited from Base

#config, #processed_source

Instance Method Summary collapse

Methods included from AutoCorrector

support_autocorrect?

Methods inherited from Base

#add_global_offense, #add_offense, autocorrect_incompatible_with, badge, #callbacks_needed, callbacks_needed, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, #cop_name, cop_name, department, documentation_url, exclude_from_registry, #excluded_file?, #external_dependency_checksum, inherited, #initialize, joining_forces, lint?, match?, #message, #offenses, #on_investigation_end, #on_new_investigation, #on_other_file, #ready, #relevant_file?, support_autocorrect?, support_multiple_source?, #target_rails_version, #target_ruby_version

Methods included from ExcludeLimit

#exclude_limit

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #correctable?, #disable_uncorrectable?, #safe_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

silence_warnings

Constructor Details

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

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/lint/deprecated_class_methods.rb', line 67

def on_send(node)
  check(node) do |data|
    message = format(MSG, current: deprecated_method(data),
                          prefer: replacement_method(data))

    add_offense(node.loc.selector, message: message) do |corrector|
      corrector.replace(node.loc.selector, data.replacement_method.to_s)
    end
  end
end