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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for redundant `location` argument to `#add_offense`. `location`
# argument has a default value of `:expression` and this method will
# automatically use it.
#
# @example
#
# # bad
# add_offense(node, location: :expression)
#
# # good
# add_offense(node)
# add_offense(node, location: :selector)
#
class RedundantLocationArgument < Cop
include RangeHelp
MSG = 'Redundant location argument to `#add_offense`.'.freeze
def_node_matcher :add_offense_kwargs, <<-PATTERN
(send nil? :add_offense _ $hash)
PATTERN
def_node_matcher :redundant_location_argument?, <<-PATTERN
(pair (sym :location) (sym :expression))
PATTERN
def on_send(node)
redundant_location_argument(node) { |argument| add_offense(argument) }
end
def autocorrect(node)
range = offending_range(node)
->(corrector) { corrector.remove(range) }
end
private
def redundant_location_argument(node)
add_offense_kwargs(node) do |kwargs|
result =
kwargs.pairs.find { |arg| redundant_location_argument?(arg) }
yield result if result
end
end
def offending_range(node)
with_space = range_with_surrounding_space(range: node.loc.expression)
range_with_surrounding_comma(with_space, :left)
end
end
end
end
end
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