Class: RuboCop::Cop::Style::RedundantBegin
Overview
Checks for redundant begin
blocks.
Currently it checks for code like this:
Constant Summary collapse
- MSG =
'Redundant `begin` block detected.'
Constants inherited from Base
Instance Attribute Summary
Attributes inherited from Base
Instance Method Summary collapse
- #offensive_kwbegins(node) ⇒ Object
- #on_block(node) ⇒ Object (also: #on_numblock)
- #on_def(node) ⇒ Object (also: #on_defs)
- #on_kwbegin(node) ⇒ Object
Methods included from AutoCorrector
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
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
Constructor Details
This class inherits a constructor from RuboCop::Cop::Base
Instance Method Details
#offensive_kwbegins(node) ⇒ Object
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# File 'lib/rubocop/cop/style/redundant_begin.rb', line 72 def_node_search :offensive_kwbegins, <<~PATTERN [(kwbegin ...) !#allowable_kwbegin?] PATTERN |
#on_block(node) ⇒ Object Also known as: on_numblock
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# File 'lib/rubocop/cop/style/redundant_begin.rb', line 84 def on_block(node) return if target_ruby_version < 2.5 return if node.send_node.lambda_literal? return if node.braces? return unless node.body&.kwbegin_type? register_offense(node.body) end |
#on_def(node) ⇒ Object Also known as: on_defs
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# File 'lib/rubocop/cop/style/redundant_begin.rb', line 76 def on_def(node) return unless node.body&.kwbegin_type? return if node.endless? && !node.body.children.one? register_offense(node.body) end |
#on_kwbegin(node) ⇒ Object
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# File 'lib/rubocop/cop/style/redundant_begin.rb', line 95 def on_kwbegin(node) return unless (target_node = offensive_kwbegins(node).to_a.last) register_offense(target_node) end |