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Class: RuboCop::Cop::Naming::MethodName

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::RuboCop::Cop::Base, ::RuboCop::ExcludeLimit, NodePattern::Macros, RuboCop::AST::Sexp
Instance Chain:
self, ::RuboCop::Cop::RangeHelp, ::RuboCop::Cop::AllowedPattern, ::RuboCop::Cop::ConfigurableNaming, ::RuboCop::Cop::ConfigurableFormatting, ::RuboCop::Cop::ConfigurableEnforcedStyle, ::RuboCop::Cop::Base, ::RuboCop::Cop::AutocorrectLogic, ::RuboCop::Cop::IgnoredNode, ::RuboCop::Util, RuboCop::AST::Sexp
Inherits: RuboCop::Cop::Base
Defined in: lib/rubocop/cop/naming/method_name.rb

Overview

Makes sure that all methods use the configured style, snake_case or camelCase, for their names.

This cop has AllowedPatterns configuration option.

Naming/MethodName:
  AllowedPatterns:
    - '\AonSelectionBulkChange\z'
    - '\AonSelectionCleared\z'

Method names matching patterns are always allowed.

Examples:

EnforcedStyle: snake_case (default)

# bad
def fooBar; end

# good
def foo_bar; end

EnforcedStyle: camelCase

# bad
def foo_bar; end

# good
def fooBar; end

Constant Summary

::RuboCop::Cop::Base - Inherited

EMPTY_OFFENSES, RESTRICT_ON_SEND

::RuboCop::Cop::ConfigurableEnforcedStyle - Included

SYMBOL_TO_STRING_CACHE

::RuboCop::Cop::ConfigurableNaming - Included

FORMATS

::RuboCop::Cop::RangeHelp - Included

BYTE_ORDER_MARK, NOT_GIVEN

Class Attribute Summary

::RuboCop::Cop::Base - Inherited

.gem_requirements, .lint?,
.support_autocorrect?

Returns if class supports autocorrect.
.support_multiple_source?

Override if your cop should be called repeatedly for multiple investigations Between calls to on_new_investigation and on_investigation_end, the result of processed_source will remain constant.
.builtin?

Class Method Summary

::RuboCop::Cop::Base - Inherited

.autocorrect_incompatible_with

List of cops that should not try to autocorrect at the same time as this cop.
.badge

Naming.
.callbacks_needed, .cop_name, .department,
.documentation_url

Cops (other than builtin) are encouraged to implement this.
.exclude_from_registry

Call for abstract Cop classes.
.inherited,
.joining_forces

Override and return the Force class(es) you need to join.
.match?

Returns true if the cop name or the cop namespace matches any of the given names.
.new,
.requires_gem

Register a version requirement for the given gem name.
.restrict_on_send

::RuboCop::ExcludeLimit - Extended

exclude_limit

Sets up a configuration option to have an exclude limit tracked.
transform

Instance Attribute Summary

::RuboCop::Cop::ConfigurableEnforcedStyle - Included

#detected_style, #detected_style=, #no_acceptable_style?, #style_configured?

::RuboCop::Cop::Base - Inherited

#active_support_extensions_enabled?, #always_autocorrect?, #config, #config_to_allow_offenses, #config_to_allow_offenses=, #contextual_autocorrect?, #processed_source, #target_satisfies_all_gem_version_requirements?

::RuboCop::Cop::AutocorrectLogic - Included

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

Instance Method Summary

::RuboCop::Cop::RangeHelp - Included

#add_range, #column_offset_between,
#contents_range

A range containing only the contents of a literal with delimiters (e.g.
#directions,
#effective_column

Returns the column attribute of the range, except if the range is on the first line and there’s a byte order mark at the beginning of that line, in which case 1 is subtracted from the column value.
#final_pos, #move_pos, #move_pos_str, #range_between, #range_by_whole_lines, #range_with_comments, #range_with_comments_and_lines, #range_with_surrounding_comma, #range_with_surrounding_space, #source_range

::RuboCop::Cop::AllowedPattern - Included

#allowed_line?, #allowed_patterns, #cop_config_deprecated_methods_values, #cop_config_patterns_values,
#ignored_line?

Alias for AllowedPattern#allowed_line?.
#matches_allowed_pattern?,
#matches_ignored_pattern?

Alias for AllowedPattern#matches_allowed_pattern?.

::RuboCop::Cop::ConfigurableFormatting - Included

#check_name,
#class_emitter_method?

A class emitter method is a singleton method in a class/module, where the method has the same name as a class defined in the class/module.
#report_opposing_styles, #valid_name?

::RuboCop::Cop::ConfigurableEnforcedStyle - Included

#alternative_style, #alternative_styles, #ambiguous_style_detected,
#conflicting_styles_detected

Alias for ConfigurableEnforcedStyle#no_acceptable_style!.
#correct_style_detected, #no_acceptable_style!, #opposite_style_detected, #style, #style_detected, #style_parameter_name, #supported_styles, #unexpected_style_detected,
#unrecognized_style_detected

Alias for ConfigurableEnforcedStyle#no_acceptable_style!.

::RuboCop::Cop::Base - Inherited

#add_global_offense

Adds an offense that has no particular location.
#add_offense

Adds an offense on the specified range (or node with an expression) Unless that offense is disabled for this range, a corrector will be yielded to provide the cop the opportunity to autocorrect the offense.
#begin_investigation

Called before any investigation.
#callbacks_needed,
#cop_config

Configuration Helpers.
#cop_name, #excluded_file?,
#external_dependency_checksum

This method should be overridden when a cop’s behavior depends on state that lives outside of these locations:
#inspect,
#message

Gets called if no message is specified when calling add_offense or add_global_offense Cops are discouraged to override this; instead pass your message directly.
#name

Alias for Base#cop_name.
#offenses,
#on_investigation_end

Called after all on_…​
#on_new_investigation

Called before all on_…​
#on_other_file

Called instead of all on_…​
#parse

There should be very limited reasons for a Cop to do it’s own parsing.
#parser_engine,
#ready

Called between investigations.
#relevant_file?, #target_rails_version, #target_ruby_version, #annotate, #apply_correction, #attempt_correction,
#callback_argument

Reserved for Cop::Cop.
#complete_investigation

Called to complete an investigation.
#correct, #current_corrector,
#current_offense_locations

Reserved for Commissioner:
#current_offenses, #currently_disabled_lines, #custom_severity, #default_severity, #disable_uncorrectable, #enabled_line?, #file_name_matches_any?, #find_message, #find_severity, #range_for_original, #range_from_node_or_range, #reset_investigation, #use_corrector

::RuboCop::Cop::AutocorrectLogic - Included

#disable_offense, #disable_offense_at_end_of_line, #disable_offense_before_and_after, #disable_offense_with_eol_or_surround_comment, #max_line_length,
#range_by_lines

Expand the given range to include all of any lines it covers.
#range_of_first_line, #surrounding_heredoc, #surrounding_percent_array

::RuboCop::Cop::IgnoredNode - Included

#ignore_node, #ignored_node?, #part_of_ignored_node?, #ignored_nodes

Constructor Details

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

Instance Method Details

#attr_name(name_item) (private)

[ GitHub ] 

  


# File 'lib/rubocop/cop/naming/method_name.rb', line 64



def attr_name(name_item)
  sym_name(name_item) || str_name(name_item)
end


  








  

    #message(style)   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/naming/method_name.rb', line 75



def message(style)
  format(MSG, style: style)
end


  








  

    #on_def(node)  
    Also known as: #on_defs
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/naming/method_name.rb', line 55



def on_def(node)
  return if node.operator_method? || matches_allowed_pattern?(node.method_name)

  check_name(node, node.method_name, node.loc.name)
end


  








  

    #on_defs(node)  
  



  

    


Alias for #on_def.



  



  [ GitHub ]


  

  


# File 'lib/rubocop/cop/naming/method_name.rb', line 60



alias on_defs on_def


  








  

    #on_send(node)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/naming/method_name.rb', line 44



def on_send(node)
  return unless (attrs = node.attribute_accessor?)

  attrs.last.each do |name_item|
    name = attr_name(name_item)
    next if !name || matches_allowed_pattern?(name)

    check_name(node, name, range_position(node))
  end
end


  








  

    #range_position(node)   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/naming/method_name.rb', line 68



def range_position(node)
  selector_end_pos = node.loc.selector.end_pos + 1
  expr_end_pos = node.source_range.end_pos

  range_between(selector_end_pos, expr_end_pos)
end


  








  

    #str_name(node)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/naming/method_name.rb', line 42



def_node_matcher :str_name, '(str $_name)'


  








  

    #sym_name(node)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/naming/method_name.rb', line 39



def_node_matcher :sym_name, '(sym $_name)'