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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for the presence of `in` pattern branches without a body.
#
# @example
#
# # bad
# case condition
# in [a]
# do_something
# in [a, b]
# end
#
# # good
# case condition
# in [a]
# do_something
# in [a, b]
# nil
# end
#
# @example AllowComments: true (default)
#
# # good
# case condition
# in [a]
# do_something
# in [a, b]
# # noop
# end
#
# @example AllowComments: false
#
# # bad
# case condition
# in [a]
# do_something
# in [a, b]
# # noop
# end
#
class EmptyInPattern < Base
extend TargetRubyVersion
MSG = 'Avoid `in` branches without a body.'
minimum_target_ruby_version 2.7
def on_case_match(node)
node.in_pattern_branches.each do |branch|
next if branch.body || (cop_config['AllowComments'] && comment_lines?(node))
add_offense(branch)
end
end
end
end
end
end
Version data entries
16 entries across 16 versions & 4 rubygems