Sha256: 96f8d33a6f71f95401c55433eb3cdf074c33f3a496d5ac1b1d92beac4277246c
Contents?: true
Size: 1.36 KB
Versions: 6785
Compression:
Stored size: 1.36 KB
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for string conversion in string interpolation,
# which is redundant.
#
# @example
#
# # bad
#
# "result is #{something.to_s}"
#
# @example
#
# # good
#
# "result is #{something}"
class StringConversionInInterpolation < Cop
MSG_DEFAULT = 'Redundant use of `Object#to_s` in interpolation.'.freeze
MSG_SELF = 'Use `self` instead of `Object#to_s` in ' \
'interpolation.'.freeze
def_node_matcher :to_s_without_args?, '(send _ :to_s)'
def on_dstr(node)
node.each_child_node(:begin) do |begin_node|
final_node = begin_node.children.last
next unless to_s_without_args?(final_node)
add_offense(final_node, location: :selector)
end
end
def autocorrect(node)
lambda do |corrector|
receiver = node.receiver
corrector.replace(
node.source_range,
if receiver
receiver.source
else
'self'
end
)
end
end
private
def message(node)
node.receiver ? MSG_DEFAULT : MSG_SELF
end
end
end
end
end
Version data entries
6,785 entries across 6,779 versions & 25 rubygems