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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).
class ColonMethodCall < Cop
MSG = 'Do not use `::` for method calls.'.freeze
def_node_matcher :java_type_node?, <<-PATTERN
(send
(const nil :Java)
{:boolean :byte :char :double :float :int :long :short})
PATTERN
def on_send(node)
# ignore Java interop code like Java::int
return if java_type_node?(node)
receiver, method_name, *_args = *node
# discard methods with nil receivers and op methods(like [])
return unless receiver && node.loc.dot && node.loc.dot.is?('::')
return if allowed_name(method_name.to_s)
add_offense(node, :dot)
end
def allowed_name(method_name)
method_name.match(/^[A-Z]/)
end
def autocorrect(node)
->(corrector) { corrector.replace(node.loc.dot, '.') }
end
end
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems