lib/rubocop/cop/correctors/unused_arg_corrector.rb
# frozen_string_literal: true
module RuboCop
module Cop
# This autocorrects unused arguments.
class UnusedArgCorrector
extend RangeHelp
class << self
attr_reader :processed_source
def correct(corrector, processed_source, node)
return if %i[kwarg kwoptarg].include?(node.type)
@processed_source = processed_source
if node.blockarg_type?
correct_for_blockarg_type(corrector, node)
else
variable_name = if node.optarg_type?
node.node_parts[0]
else
# Extract only a var name without splat (`*`)
node.source.gsub(/\A\*+/, '')
end
corrector.replace(node.loc.name, "_#{variable_name}")
end
end
def correct_for_blockarg_type(corrector, node)
range = range_with_surrounding_space(node.source_range, side: :left)
range = range_with_surrounding_comma(range, :left)
corrector.remove(range)
end
end
end
end
end