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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Layout
# Checks for spaces inside range literals.
#
# @example
# # bad
# 1 .. 3
#
# # good
# 1..3
#
# # bad
# 'a' .. 'z'
#
# # good
# 'a'..'z'
class SpaceInsideRangeLiteral < Cop
MSG = 'Space inside range literal.'.freeze
def on_irange(node)
check(node)
end
def on_erange(node)
check(node)
end
def autocorrect(node)
expression = node.source
operator = node.loc.operator.source
operator_escaped = operator.gsub(/\./, '\.')
lambda do |corrector|
corrector.replace(
node.source_range,
expression
.sub(/\s+#{operator_escaped}/, operator)
.sub(/#{operator_escaped}\s+/, operator)
)
end
end
private
def check(node)
expression = node.source
op = node.loc.operator.source
escaped_op = op.gsub(/\./, '\.')
# account for multiline range literals
expression.sub!(/#{escaped_op}\n\s*/, op)
return unless expression =~ /(\s#{escaped_op})|(#{escaped_op}\s)/
add_offense(node)
end
end
end
end
end
Version data entries
6,510 entries across 6,504 versions & 25 rubygems