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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Layout
# This cop checks for conditions that are not on the same line as
# if/while/until.
#
# @example
#
# # bad
#
# if
# some_condition
# do_something
# end
#
# @example
#
# # good
#
# if some_condition
# do_something
# end
class ConditionPosition < Cop
MSG = 'Place the condition on the same line as `%<keyword>s`.'.freeze
def on_if(node)
return if node.ternary?
check(node)
end
def on_while(node)
check(node)
end
def on_until(node)
check(node)
end
private
def check(node)
return if node.modifier_form? || node.single_line_condition?
add_offense(node.condition)
end
def message(node)
format(MSG, keyword: node.parent.keyword)
end
end
end
end
end
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