Sha256: 5fa54a38571601b5ae25493adf974b39a947ab3d401604504fef726b42ea1297
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Size: 968 Bytes
Versions: 20
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Stored size: 968 Bytes
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks that arrays are sliced with endless ranges instead of
# `ary[start..-1]` on Ruby 2.6+.
#
# @example
# # bad
# items[1..-1]
#
# # good
# items[1..]
class SlicingWithRange < Base
extend AutoCorrector
extend TargetRubyVersion
minimum_target_ruby_version 2.6
MSG = 'Prefer ary[n..] over ary[n..-1].'
RESTRICT_ON_SEND = %i[[]].freeze
# @!method range_till_minus_one?(node)
def_node_matcher :range_till_minus_one?, '(irange !nil? (int -1))'
def on_send(node)
return unless node.arguments.count == 1
return unless range_till_minus_one?(node.arguments.first)
add_offense(node.first_argument) do |corrector|
corrector.remove(node.first_argument.end)
end
end
end
end
end
end
Version data entries
20 entries across 20 versions & 3 rubygems