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Contents
# encoding: utf-8
module Rubocop
module Cop
module Style
# Checks for uses of `do` in multi-line `while/until` statements.
class WhileUntilDo < Cop
def on_while(node)
handle(node)
end
def on_until(node)
handle(node)
end
def handle(node)
length = node.loc.expression.source.lines.to_a.size
if length > 1
if node.loc.begin && node.loc.begin.is?('do')
add_offense(node, :begin,
error_message(node.type))
end
end
end
private
def error_message(node_type)
format('Never use `do` with multi-line `%s`.', node_type)
end
def autocorrect(node)
@corrections << lambda do |corrector|
condition_node, = *node
end_of_condition_range = condition_node.loc.expression.end
do_range = node.loc.begin
whitespaces_and_do_range = end_of_condition_range.join(do_range)
corrector.remove(whitespaces_and_do_range)
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems