Contents

# encoding: utf-8

module RuboCop
  module Cop
    module Style
      # Checks if uses of quotes match the configured preference.
      class StringLiteralsInInterpolation < Cop
        include ConfigurableEnforcedStyle
        include StringLiteralsHelp

        private

        def message(*)
          # single_quotes -> single-quoted
          kind = style.to_s.sub(/_(.*)s/, '-\1d')

          "Prefer #{kind} strings inside interpolations."
        end

        def offense?(node)
          # If it's not a string within a dynamic string, i.e. part of an
          # expression in an interpolation, then it's not an offense for this
          # cop.
          return false unless node.each_ancestor.find do |a|
            a.type == :dstr && within_node?(node, a)
          end

          wrong_quotes?(node, style)
        end

        def autocorrect(node)
          @corrections << lambda do |corrector|
            replacement = node.loc.begin.is?('"') ? "'" : '"'
            corrector.replace(node.loc.begin, replacement)
            corrector.replace(node.loc.end, replacement)
          end
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rubocop-0.27.0	lib/rubocop/cop/style/string_literals_in_interpolation.rb