Sha256: 52203c5f15bd64371ef5ebef4cd06324312944b1fa399343b7cbd2592cb94c38

Contents?: true

Size: 1.48 KB

Versions: 10

Compression:

Stored size: 1.48 KB

Contents

# frozen_string_literal: true

module RuboCop
  module Cop
    module Style
      # Checks uses of the `then` keyword in multi-line `in` statement.
      #
      # @example
      #   # bad
      #   case expression
      #   in pattern then
      #   end
      #
      #   # good
      #   case expression
      #   in pattern
      #   end
      #
      #   # good
      #   case expression
      #   in pattern then do_something
      #   end
      #
      #   # good
      #   case expression
      #   in pattern then do_something(arg1,
      #                                arg2)
      #   end
      #
      class MultilineInPatternThen < Base
        include RangeHelp
        extend AutoCorrector
        extend TargetRubyVersion

        minimum_target_ruby_version 2.7

        MSG = 'Do not use `then` for multiline `in` statement.'

        def on_in_pattern(node)
          return if !node.then? || require_then?(node)

          range = node.loc.begin
          add_offense(range) do |corrector|
            corrector.remove(range_with_surrounding_space(range, side: :left, newlines: false))
          end
        end

        private

        # Requires `then` for write `in` and its body on the same line.
        def require_then?(in_pattern_node)
          return true if in_pattern_node.pattern.first_line != in_pattern_node.pattern.last_line
          return false unless in_pattern_node.body

          same_line?(in_pattern_node, in_pattern_node.body)
        end
      end
    end
  end
end

Version data entries

10 entries across 10 versions & 2 rubygems

Version Path
scrapbook-0.3.2 vendor/ruby/2.7.0/gems/rubocop-1.31.2/lib/rubocop/cop/style/multiline_in_pattern_then.rb
scrapbook-0.3.1 vendor/ruby/2.7.0/gems/rubocop-1.31.2/lib/rubocop/cop/style/multiline_in_pattern_then.rb
rubocop-1.35.0 lib/rubocop/cop/style/multiline_in_pattern_then.rb
rubocop-1.34.1 lib/rubocop/cop/style/multiline_in_pattern_then.rb
rubocop-1.34.0 lib/rubocop/cop/style/multiline_in_pattern_then.rb
rubocop-1.33.0 lib/rubocop/cop/style/multiline_in_pattern_then.rb
rubocop-1.32.0 lib/rubocop/cop/style/multiline_in_pattern_then.rb
rubocop-1.31.2 lib/rubocop/cop/style/multiline_in_pattern_then.rb
rubocop-1.31.1 lib/rubocop/cop/style/multiline_in_pattern_then.rb
rubocop-1.31.0 lib/rubocop/cop/style/multiline_in_pattern_then.rb