[Fix #8834] Fix a false positive for `Style/ParenthesesAsGroupedExpre…

…ssion` (#8839)

Fixes #8834.

Fix a false positive for `Style/ParenthesesAsGroupedExpression` when
method argument parentheses are omitted and hash argument key is enclosed
in parentheses.

Co-authored-by: Bozhidar Batsov <bozhidar@batsov.com>

CHANGELOG.md

@@ -19,6 +19,7 @@
 * [#8514](https://github.com/rubocop-hq/rubocop/issues/8514): Correct multiple `Style/MethodDefParentheses` per file. ([@rdunlop][])
 * [#8825](https://github.com/rubocop-hq/rubocop/issues/8825): Fix crash in `Style/ExplicitBlockArgument` when code is called outside of a method. ([@ghiculescu][])
 * [#8354](https://github.com/rubocop-hq/rubocop/issues/8354): Detect regexp named captures in `Style/CaseLikeIf` cop. ([@dsavochkin][])
+* [#8834](https://github.com/rubocop-hq/rubocop/issues/8834): Fix a false positive for `Style/ParenthesesAsGroupedExpression` when method argument parentheses are omitted and hash argument key is enclosed in parentheses. ([@koic][])
 * [#8830](https://github.com/rubocop-hq/rubocop/issues/8830): Fix bad autocorrect of `Style/StringConcatenation` when string includes double quotes. ([@tleish][])
 * [#8807](https://github.com/rubocop-hq/rubocop/pull/8807): Fix a false positive for `Style/RedundantCondition` when using assignment by hash key access. ([@koic][])
 * [#8848](https://github.com/rubocop-hq/rubocop/issues/8848): Fix a false positive for `Style/CombinableLoops` when using the same method with different arguments. ([@dvandersluis][])

lib/rubocop/cop/lint/parentheses_as_grouped_expression.rb

@@ -43,7 +43,7 @@ def valid_context?(node)
           end
 
           node.operator_method? || node.setter_method? || chained_calls?(node) ||
-            operator_keyword?(node)
+            operator_keyword?(node) || node.first_argument.hash_type?
         end
 
         def first_argument_starts_with_left_parenthesis?(node)

spec/rubocop/cop/lint/parentheses_as_grouped_expression_spec.rb

@@ -51,6 +51,13 @@
     RUBY
   end
 
+  it 'does not register an offense when when method argument parentheses are omitted and ' \
+    'hash argument key is enclosed in parentheses' do
+    expect_no_offenses(<<~RUBY)
+      transition (foo - bar) => value
+    RUBY
+  end
+
   it 'accepts a method call without arguments' do
     expect_no_offenses('func')
   end