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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for empty interpolation.
#
# @example
#
# # bad
#
# "result is #{}"
#
# @example
#
# # good
#
# "result is #{some_result}"
class EmptyInterpolation < Cop
MSG = 'Empty interpolation detected.'.freeze
def on_dstr(node)
node.each_child_node(:begin) do |begin_node|
add_offense(begin_node) if begin_node.children.empty?
end
end
def autocorrect(node)
lambda do |collector|
collector.remove(node.loc.expression)
end
end
end
end
end
end
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