Class: RuboCop::Cop::Style::MethodCallWithoutArgsParentheses

Inherits:

Base

• Object
• Base
• RuboCop::Cop::Style::MethodCallWithoutArgsParentheses

Extended by:

AutoCorrector

Includes:

AllowedMethods, AllowedPattern

Defined in:

lib/rubocop/cop/style/method_call_without_args_parentheses.rb

Overview

Checks for unwanted parentheses in parameterless method calls.

This cop can be customized allowed methods with ‘AllowedMethods`. By default, there are no methods to allowed.

Examples:

# bad
object.some_method()

# good
object.some_method

AllowedMethods: [] (default)

# bad
object.foo()

AllowedMethods: [foo]

# good
object.foo()

Constant Summary

MSG =

'Do not use parentheses for method calls with no arguments.'

Constants inherited from Base

Base::RESTRICT_ON_SEND

Instance Attribute Summary

Attributes inherited from Base

#config, #processed_source

Instance Method Summary

• #on_send(node) ⇒ Object

Methods included from AutoCorrector

support_autocorrect?

Methods inherited from Base

#active_support_extensions_enabled?, #add_global_offense, #add_offense, autocorrect_incompatible_with, badge, #begin_investigation, 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, #inspect, joining_forces, lint?, match?, #message, #offenses, #on_investigation_end, #on_new_investigation, #on_other_file, #parse, #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?, #autocorrect_with_disable_uncorrectable?, #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

# File 'lib/rubocop/cop/style/method_call_without_args_parentheses.rb', line 33

def on_send(node)
  return unless !node.arguments? && node.parenthesized?
  return if ineligible_node?(node)
  return if default_argument?(node)
  return if allowed_method_name?(node.method_name)
  return if same_name_assignment?(node)

  register_offense(node)
end