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Contents
# 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 < Cop
MSG = 'Use `%<double_colon>sURI::DEFAULT_PARSER` instead of ' \
'`%<double_colon>sURI::Parser.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)
end
end
def autocorrect(node)
lambda do |corrector|
double_colon = uri_parser_new?(node) ? '::' : ''
corrector.replace(
node.loc.expression, "#{double_colon}URI::DEFAULT_PARSER"
)
end
end
end
end
end
end
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6,794 entries across 6,788 versions & 26 rubygems