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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks for methods invoked via the :: operator instead
# of the . operator (like FileUtils::rmdir instead of FileUtils.rmdir).
#
# @example
# # bad
# Timeout::timeout(500) { do_something }
# FileUtils::rmdir(dir)
# Marshal::dump(obj)
#
# # good
# Timeout.timeout(500) { do_something }
# FileUtils.rmdir(dir)
# Marshal.dump(obj)
#
class ColonMethodCall < Cop
MSG = 'Do not use `::` for method calls.'.freeze
def_node_matcher :java_type_node?, <<-PATTERN
(send
(const nil? :Java) _)
PATTERN
def self.autocorrect_incompatible_with
[RedundantSelf]
end
def on_send(node)
# ignore Java interop code like Java::int
return if java_type_node?(node)
return unless node.receiver && node.double_colon?
return if node.camel_case_method?
add_offense(node, location: :dot)
end
def autocorrect(node)
->(corrector) { corrector.replace(node.loc.dot, '.') }
end
end
end
end
end
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