delete_suffix.rb in rubocop-performance-1.12.0

- old
+ new

@@ -5,18 +5,20 @@
     module Performance
       # In Ruby 2.5, `String#delete_suffix` has been added.
       #
       # This cop identifies places where `gsub(/suffix\z/, '')` and `sub(/suffix\z/, '')`
       # can be replaced by `delete_suffix('suffix')`.
-      # It is marked as unsafe by default because `Pathname` has `sub` but not `delete_suffix`.
       #
       # This cop has `SafeMultiline` configuration option that `true` by default because
       # `suffix$` is unsafe as it will behave incompatible with `delete_suffix?`
       # for receiver is multiline string.
       #
       # The `delete_suffix('suffix')` method is faster than `gsub(/suffix\z/, '')`.
       #
+      # @safety
+      #   This cop is unsafe because `Pathname` has `sub` but not `delete_suffix`.
+      #
       # @example
       #
       #   # bad
       #   str.gsub(/suffix\z/, '')
       #   str.gsub!(/suffix\z/, '')
@@ -45,12 +47,9 @@
       #   str.sub!(/suffix$/, '')
       #
       class DeleteSuffix < Base
         include RegexpMetacharacter
         extend AutoCorrector
-        extend TargetRubyVersion
-
-        minimum_target_ruby_version 2.5
 
         MSG = 'Use `%<prefer>s` instead of `%<current>s`.'
         RESTRICT_ON_SEND = %i[gsub gsub! sub sub!].freeze
 
         PREFERRED_METHODS = {