Sha256: 4f855cd5235e42efec214b8fc561818b427ec45b36513dac0743ba3c7e3fed36
Contents?: true
Size: 1.48 KB
Versions: 10
Compression:
Stored size: 1.48 KB
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# Checks for unnecessary `require` statement.
#
# The following features are unnecessary `require` statement because
# they are already loaded.
#
# ruby -ve 'p $LOADED_FEATURES.reject { |feature| %r|/| =~ feature }'
# ruby 2.2.8p477 (2017-09-14 revision 59906) [x86_64-darwin13]
# ["enumerator.so", "rational.so", "complex.so", "thread.rb"]
#
# This cop targets Ruby 2.2 or higher containing these 4 features.
#
# @example
# # bad
# require 'unloaded_feature'
# require 'thread'
#
# # good
# require 'unloaded_feature'
class UnneededRequireStatement < Cop
extend TargetRubyVersion
include RangeHelp
minimum_target_ruby_version 2.2
MSG = 'Remove unnecessary `require` statement.'.freeze
def_node_matcher :unnecessary_require_statement?, <<-PATTERN
(send nil? :require
(str {"enumerator" "rational" "complex" "thread"}))
PATTERN
def on_send(node)
return unless unnecessary_require_statement?(node)
add_offense(node)
end
def autocorrect(node)
lambda do |corrector|
range = range_with_surrounding_space(range: node.loc.expression,
side: :right)
corrector.remove(range)
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems