Sha256: 9cfda31301f319b4361ae8a5dda6d4675e725dc613e0ca4e59933513172bd890
Contents?: true
Size: 921 Bytes
Versions: 30
Compression:
Stored size: 921 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
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
30 entries across 30 versions & 2 rubygems