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Contents
# encoding: utf-8
module RuboCop
module Cop
module Style
# Checks for while and until statements that would fit on one line
# if written as a modifier while/until.
# The maximum line length is configurable.
class WhileUntilModifier < Cop
include StatementModifier
def on_while(node)
check(node)
end
def on_until(node)
check(node)
end
def autocorrect(node)
cond, body = *node
oneline = "#{body.loc.expression.source} " \
"#{node.loc.keyword.source} " +
cond.loc.expression.source
->(corrector) { corrector.replace(node.loc.expression, oneline) }
end
private
def check(node)
return unless node.loc.end
return unless fit_within_line_as_modifier_form?(node)
add_offense(node, :keyword, message(node.loc.keyword.source))
end
def message(keyword)
"Favor modifier `#{keyword}` usage when having a single-line body."
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems