Sha256: 3901c48b028b74474764e2932c2286f39373262fa77f7724a930a4bb8b9aa733
Contents?: true
Size: 1.3 KB
Versions: 9
Compression:
Stored size: 1.3 KB
Contents
# encoding: utf-8
module RuboCop
module Cop
module Lint
# This cop checks for string conversion in string interpolation,
# which is redundant.
#
# @example
#
# "result is #{something.to_s}"
class StringConversionInInterpolation < Cop
MSG_DEFAULT = 'Redundant use of `Object#to_s` in interpolation.'
MSG_SELF = 'Use `self` instead of `Object#to_s` in interpolation.'
def on_dstr(node)
node.children.select { |n| n.type == :begin }.each do |begin_node|
final_node = begin_node.children.last
next unless final_node && final_node.type == :send
receiver, method_name, *args = *final_node
next unless method_name == :to_s && args.empty?
add_offense(
final_node,
:selector,
receiver ? MSG_DEFAULT : MSG_SELF
)
end
end
private
def autocorrect(node)
lambda do |corrector|
receiver, _method_name, *_args = *node
corrector.replace(
node.loc.expression,
if receiver
receiver.loc.expression.source
else
'self'
end
)
end
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems