Class: RuboCop::Cop::Style::RedundantException
- Extended by:
- AutoCorrector
- Defined in:
- lib/rubocop/cop/style/redundant_exception.rb
Overview
Checks for RuntimeError as the argument of raise/fail.
It checks for code like this:
Constant Summary collapse
- MSG_1 =
'Redundant `RuntimeError` argument can be removed.'
- MSG_2 =
'Redundant `RuntimeError.new` call can be replaced with just the message.'
- RESTRICT_ON_SEND =
%i[raise fail].freeze
Instance Attribute Summary
Attributes inherited from Base
Instance Method Summary collapse
- #compact?(node) ⇒ Object
- #exploded?(node) ⇒ Object
- #fix_compact(node) ⇒ Object
- #fix_exploded(node) ⇒ Object
-
#on_send(node) ⇒ Object
Switch ‘raise RuntimeError, ’message’‘ to `raise ’message’‘, and `raise RuntimeError.new(’message’)‘ to `raise ’message’‘.
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
#compact?(node) ⇒ Object
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# File 'lib/rubocop/cop/style/redundant_exception.rb', line 59 def_node_matcher :compact?, <<~PATTERN (send nil? {:raise :fail} $(send (const {nil? cbase} :RuntimeError) :new $_)) PATTERN |
#exploded?(node) ⇒ Object
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# File 'lib/rubocop/cop/style/redundant_exception.rb', line 54 def_node_matcher :exploded?, <<~PATTERN (send nil? ${:raise :fail} (const {nil? cbase} :RuntimeError) $_) PATTERN |
#fix_compact(node) ⇒ Object
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# File 'lib/rubocop/cop/style/redundant_exception.rb', line 45 def fix_compact(node) compact?(node) do |new_call, | add_offense(node, message: MSG_2) do |corrector| corrector.replace(new_call, .source) end end end |
#fix_exploded(node) ⇒ Object
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# File 'lib/rubocop/cop/style/redundant_exception.rb', line 33 def fix_exploded(node) exploded?(node) do |command, | add_offense(node, message: MSG_1) do |corrector| if node.parenthesized? corrector.replace(node, "#{command}(#{.source})") else corrector.replace(node, "#{command} #{.source}") end end end end |
#on_send(node) ⇒ Object
Switch ‘raise RuntimeError, ’message’‘ to `raise ’message’‘, and `raise RuntimeError.new(’message’)‘ to `raise ’message’‘.
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# File 'lib/rubocop/cop/style/redundant_exception.rb', line 29 def on_send(node) fix_exploded(node) || fix_compact(node) end |