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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of `do` in multi-line `while/until` statements.
#
# @example
#
# # bad
# while x.any? do
# do_something(x.pop)
# end
#
# # good
# while x.any?
# do_something(x.pop)
# end
#
# @example
#
# # bad
# until x.empty? do
# do_something(x.pop)
# end
#
# # good
# until x.empty?
# do_something(x.pop)
# end
class WhileUntilDo < Cop
MSG = 'Do not use `do` with multi-line `%<keyword>s`.'.freeze
def on_while(node)
handle(node)
end
def on_until(node)
handle(node)
end
def handle(node)
return unless node.multiline? && node.do?
add_offense(node, location: :begin,
message: format(MSG, keyword: node.keyword))
end
def autocorrect(node)
do_range = node.condition.source_range.end.join(node.loc.begin)
lambda do |corrector|
corrector.remove(do_range)
end
end
end
end
end
end
Version data entries
6,907 entries across 6,901 versions & 26 rubygems