lib/rubocop/cop/performance/start_with.rb in rubocop-performance-1.18.0 vs lib/rubocop/cop/performance/start_with.rb in rubocop-performance-1.19.0

@@ -52,11 +52,11 @@
 
         MSG = 'Use `String#start_with?` instead of a regex match anchored to the beginning of the string.'
         RESTRICT_ON_SEND = %i[match =~ match?].freeze
 
         def_node_matcher :redundant_regex?, <<~PATTERN
-          {(send $!nil? {:match :=~ :match?} (regexp (str $#literal_at_start?) (regopt)))
+          {(call $!nil? {:match :=~ :match?} (regexp (str $#literal_at_start?) (regopt)))
            (send (regexp (str $#literal_at_start?) (regopt)) {:match :match?} $_)
            (match-with-lvasgn (regexp (str $#literal_at_start?) (regopt)) $_)}
         PATTERN
 
         def on_send(node)
@@ -64,15 +64,17 @@
 
           add_offense(node) do |corrector|
             receiver, regex_str = regex_str, receiver if receiver.is_a?(String)
             regex_str = drop_start_metacharacter(regex_str)
             regex_str = interpret_string_escapes(regex_str)
+            dot = node.loc.dot ? node.loc.dot.source : '.'
 
-            new_source = "#{receiver.source}.start_with?(#{to_string_literal(regex_str)})"
+            new_source = "#{receiver.source}#{dot}start_with?(#{to_string_literal(regex_str)})"
 
             corrector.replace(node, new_source)
           end
         end
+        alias on_csend on_send
         alias on_match_with_lvasgn on_send
       end
     end
   end
 end