Class: RuboCop::Cop::Style::WhileUntilDo

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

Overview

Checks for uses of ‘do` in multi-line `while/until` statements.

Examples:


# bad
while x.any? do
  do_something(x.pop)
end

# good
while x.any?
  do_something(x.pop)
end

# bad
until x.empty? do
  do_something(x.pop)
end

# good
until x.empty?
  do_something(x.pop)
end

Constant Summary collapse

MSG = 
'Do not use `do` with multi-line `%<keyword>s`.'

Constants inherited from Base

Base::RESTRICT_ON_SEND

Instance Attribute Summary

Attributes inherited from Base

#config, #processed_source

Instance Method Summary collapse

Methods included from AutoCorrector

support_autocorrect?

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_while(node) ⇒ Object Also known as: on_until 



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# File 'lib/rubocop/cop/style/while_until_do.rb', line 34

def on_while(node)
  return unless node.multiline? && node.do?

  add_offense(node.loc.begin, message: format(MSG, keyword: node.keyword)) do |corrector|
    do_range = node.condition.source_range.end.join(node.loc.begin)

    corrector.remove(do_range)
  end
end