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# frozen_string_literal: true module RuboCop module Cop module Performance # This cop identifies places where `URI::Parser.new` # can be replaced by `URI::DEFAULT_PARSER`. # # @example # # bad # URI::Parser.new # # # good # URI::DEFAULT_PARSER # class UriDefaultParser < Base extend AutoCorrector MSG = 'Use `%<double_colon>sURI::DEFAULT_PARSER` instead of ' \ '`%<double_colon>sURI::Parser.new`.' RESTRICT_ON_SEND = %i[new].freeze def_node_matcher :uri_parser_new?, <<~PATTERN (send (const (const ${nil? cbase} :URI) :Parser) :new) PATTERN def on_send(node) return unless uri_parser_new?(node) do |captured_value| double_colon = captured_value ? '::' : '' message = format(MSG, double_colon: double_colon) add_offense(node, message: message) do |corrector| corrector.replace(node.loc.expression, "#{double_colon}URI::DEFAULT_PARSER") end end end end end end end
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20 entries across 20 versions & 3 rubygems