Style::HashTransformValues - incorrect autocorrection when wrapped in a block

changelog/fix_stylehashtransform_fix_incorrect.md

@@ -0,0 +1,3 @@
+* [#10171](https://github.com/rubocop/rubocop/pull/10171): Fix `Style/HashTransformKeys` and `Style/HashTransformValues` incorrect auto-correction when inside block body. ([@franzliedke][])
+
+[@franzliedke]: https://github.com/franzliedke

lib/rubocop/cop/mixin/hash_transform_method.rb

@@ -139,9 +139,9 @@ def self.from_hash_brackets_map(node, match)
         end
 
         def self.from_map_to_h(node, match)
-          strip_trailing_chars = 0
-
-          unless node.parent&.block_type?
+          if node.parent&.block_type? && node.parent.send_node == node
+            strip_trailing_chars = 0
+          else
             map_range = node.children.first.source_range
             node_range = node.source_range
             strip_trailing_chars = node_range.end_pos - map_range.end_pos

spec/rubocop/cop/style/hash_transform_keys_spec.rb

@@ -117,6 +117,25 @@
     RUBY
   end
 
+  it 'flags _.map {...}.to_h when transform_keys could be used when wrapped in another block' do
+    expect_offense(<<~RUBY)
+      wrapping do
+        x.map do |k, v|
+        ^^^^^^^^^^^^^^^ Prefer `transform_keys` over `map {...}.to_h`.
+          [k.to_sym, v]
+        end.to_h
+      end
+    RUBY
+
+    expect_correction(<<~RUBY)
+      wrapping do
+        x.transform_keys do |k|
+          k.to_sym
+        end
+      end
+    RUBY
+  end
+
   it 'does not flag _.map{...}.to_h when both key & value are transformed' do
     expect_no_offenses('x.map {|k, v| [k.to_sym, foo(v)]}.to_h')
   end

spec/rubocop/cop/style/hash_transform_values_spec.rb

@@ -117,6 +117,25 @@
     RUBY
   end
 
+  it 'flags _.map {...}.to_h when transform_values could be used when wrapped in another block' do
+    expect_offense(<<~RUBY)
+      wrapping do
+        x.map do |k, v|
+        ^^^^^^^^^^^^^^^ Prefer `transform_values` over `map {...}.to_h`.
+          [k, v.to_s]
+        end.to_h
+      end
+    RUBY
+
+    expect_correction(<<~RUBY)
+      wrapping do
+        x.transform_values do |v|
+          v.to_s
+        end
+      end
+    RUBY
+  end
+
   it 'does not flag _.map{...}.to_h when both key & value are transformed' do
     expect_no_offenses('x.map {|k, v| [k.to_sym, foo(v)]}.to_h')
   end