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Contents
# encoding: utf-8
module RuboCop
module Cop
module Lint
# This cop checks for conditions that are not on the same line as
# if/while/until.
#
# @example
#
# if
# some_condition
# do_something
# end
class ConditionPosition < Cop
def on_if(node)
return if node.loc.respond_to?(:question)
check(node)
end
def on_while(node)
check(node)
end
def on_until(node)
check(node)
end
private
def check(node)
return if !node.loc.keyword.is?('elsif') && node.loc.end.nil?
condition, = *node
return unless on_different_line?(node.loc.keyword.line,
condition.loc.expression.line)
add_offense(condition, :expression, message(node.loc.keyword.source))
end
def message(keyword)
"Place the condition on the same line as `#{keyword}`."
end
def on_different_line?(keyword_line, cond_line)
keyword_line != cond_line
end
end
end
end
end
Version data entries
24 entries across 24 versions & 2 rubygems