Merge pull request #12631 from koic/fix_a_false_positive_for_layout_r…

…edundant_line_break_cop

[Fix #12627] Fix a false positive for `Layout/RedundantLineBreak`

changelog/fix_a_false_positive_for_layout_redundant_line_break.md

@@ -0,0 +1 @@
+* [#12627](https://github.com/rubocop/rubocop/issues/12627): Fix a false positive for `Layout/RedundantLineBreak` when using index access call chained on multiple lines with backslash. ([@koic][])

lib/rubocop/cop/layout/redundant_line_break.rb

@@ -85,7 +85,11 @@ def register_offense(node)
 
         def offense?(node)
           node.multiline? && !too_long?(node) && suitable_as_single_line?(node) &&
-            !configured_to_not_be_inspected?(node)
+            !index_access_call_chained?(node) && !configured_to_not_be_inspected?(node)
+        end
+
+        def index_access_call_chained?(node)
+          node.send_type? && node.method?(:[]) && node.children.first.method?(:[])
         end
 
         def configured_to_not_be_inspected?(node)

spec/rubocop/cop/layout/redundant_line_break_spec.rb

@@ -152,6 +152,13 @@
         RUBY
       end
 
+      it 'does not register an offense for index access call chained on multiple lines with backslash' do
+        expect_no_offenses(<<~RUBY)
+          hash[:foo] \\
+            [:bar]
+        RUBY
+      end
+
       context 'with LineLength Max 100' do
         let(:max_line_length) { 100 }