/
unused_arg_corrector.rb
43 lines (37 loc) · 1.25 KB
/
unused_arg_corrector.rb
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# frozen_string_literal: true
module RuboCop
module Cop
# This auto-corrects unused arguments.
class UnusedArgCorrector
extend RangeHelp
class << self
attr_reader :processed_source
def correct(processed_source, node)
return if %i[kwarg kwoptarg].include?(node.type)
@processed_source = processed_source
if node.blockarg_type?
correct_for_blockarg_type(node)
else
lambda do |corrector|
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
end
def correct_for_blockarg_type(node)
lambda do |corrector|
range = range_with_surrounding_space(range: node.source_range,
side: :left)
range = range_with_surrounding_comma(range, :left)
corrector.remove(range)
end
end
end
end
end
end