Contents

# frozen_string_literal: true

module RuboCop
  module Cop
    module Layout
      # Checks for unnecessary additional spaces inside array percent literals
      # (i.e. %i/%w).
      #
      # @example
      #   @good
      #   %i(foo bar baz)
      #
      #   @bad
      #   %w(foo  bar  baz)
      class SpaceInsideArrayPercentLiteral < Cop
        include MatchRange
        include PercentLiteral

        MSG = 'Use only a single space inside array percent literal.'.freeze
        MULTIPLE_SPACES_BETWEEN_ITEMS_REGEX =
          /(?:[\S&&[^\\]](?:\\ )*)( {2,})(?=\S)/

        def on_array(node)
          process(node, '%i', '%I', '%w', '%W')
        end

        def on_percent_literal(node)
          each_unnecessary_space_match(node) do |range|
            add_offense(node, range, MSG)
          end
        end

        def autocorrect(node)
          lambda do |corrector|
            each_unnecessary_space_match(node) do |range|
              corrector.replace(range, ' ')
            end
          end
        end

        private

        def each_unnecessary_space_match(node, &blk)
          each_match_range(
            contents_range(node),
            MULTIPLE_SPACES_BETWEEN_ITEMS_REGEX,
            &blk
          )
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rubocop-0.49.1	lib/rubocop/cop/layout/space_inside_array_percent_literal.rb
rubocop-0.49.0	lib/rubocop/cop/layout/space_inside_array_percent_literal.rb