lib/rubocop/cop/layout/multiline_array_line_breaks.rb
# frozen_string_literal: true
module RuboCop
module Cop
module Layout
# Ensures that each item in a multi-line array
# starts on a separate line.
#
# @example
#
# # bad
# [
# a, b,
# c
# ]
#
# # good
# [
# a,
# b,
# c
# ]
#
# # good
# [
# a,
# b,
# foo(
# bar
# )
# ]
#
# @example AllowMultilineFinalElement: false (default)
#
# # bad
# [a, b, foo(
# bar
# )]
#
# @example AllowMultilineFinalElement: true
#
# # good
# [a, b, foo(
# bar
# )]
#
class MultilineArrayLineBreaks < Base
include MultilineElementLineBreaks
extend AutoCorrector
MSG = 'Each item in a multi-line array must start on a separate line.'
def on_array(node)
check_line_breaks(node, node.children, ignore_last: ignore_last_element?)
end
private
def ignore_last_element?
!!cop_config['AllowMultilineFinalElement']
end
end
end
end
end