Sha256: ce748970dd3dea5b54d60a3de50c437eec5dc46ec21bd95f1b6f1727e03378cf
Contents?: true
Size: 1.28 KB
Versions: 8
Compression:
Stored size: 1.28 KB
Contents
# encoding: utf-8
module RuboCop
module Cop
module Lint
# This cop checks for interpolated literals.
#
# @example
#
# "result is #{10}"
class LiteralInInterpolation < Cop
LITERALS = [:str, :dstr, :int, :float, :array,
:hash, :regexp, :nil, :true, :false]
MSG = 'Literal interpolation detected.'
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
next if special_keyword?(final_node)
next unless LITERALS.include?(final_node.type)
add_offense(final_node, :expression)
end
end
def autocorrect(node)
expr = node.parent.loc.expression
value = autocorrected_value(node)
->(corrector) { corrector.replace(expr, value) }
end
private
def special_keyword?(node)
# handle strings like __FILE__
(node.type == :str && !node.loc.respond_to?(:begin)) ||
node.loc.expression.is?('__LINE__')
end
def autocorrected_value(node)
node.str_type? ? node.children.last : node.loc.expression.source
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems