Class: RuboCop::Cop::Style::LambdaCall

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
ConfigurableEnforcedStyle
Defined in:
lib/rubocop/cop/style/lambda_call.rb

Overview

Checks for use of the lambda.(args) syntax.

Examples:

EnforcedStyle: call (default)

# bad
lambda.(x, y)

# good
lambda.call(x, y)

EnforcedStyle: braces

# bad
lambda.call(x, y)

# good
lambda.(x, y)

Constant Summary collapse

MSG = 
'Prefer the use of `%<prefer>s` over `%<current>s`.'
RESTRICT_ON_SEND = 
%i[call].freeze

Instance Attribute Summary

Attributes inherited from Base

#config, #processed_source

Instance Method Summary collapse

Methods included from AutoCorrector

support_autocorrect?

Methods included from ConfigurableEnforcedStyle

#alternative_style, #alternative_styles, #ambiguous_style_detected, #correct_style_detected, #detected_style, #detected_style=, #no_acceptable_style!, #no_acceptable_style?, #opposite_style_detected, #style, #style_configured?, #style_detected, #style_parameter_name, #supported_styles, #unexpected_style_detected

Methods inherited from Base

#active_support_extensions_enabled?, #add_global_offense, #add_offense, #always_autocorrect?, autocorrect_incompatible_with, badge, #begin_investigation, #callbacks_needed, callbacks_needed, #config_to_allow_offenses, #config_to_allow_offenses=, #contextual_autocorrect?, #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, #parser_engine, #ready, #relevant_file?, requires_gem, #string_literals_frozen_by_default?, 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 Also known as: on_csend 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/rubocop/cop/style/lambda_call.rb', line 28

def on_send(node)
  return unless node.receiver

  if offense?(node)
    prefer = prefer(node)
    current = node.source

    add_offense(node, message: format(MSG, prefer: prefer, current: current)) do |corrector|
      next if part_of_ignored_node?(node)

      opposite_style_detected
      corrector.replace(node, prefer)

      ignore_node(node)
    end
  else
    correct_style_detected
  end
end