Accept bracketed arrays within 2d arrays containing subarrays with complex content for Style/WordArray cop

changelog/fix_word_array_to_accept_2d_arrays.md

@@ -0,0 +1 @@
+* [#10194](https://github.com/rubocop/rubocop/issues/10194): Accept bracketed arrays within 2d arrays containing subarrays with complex content for `Style/WordArray` cop. ([@fatkodima][])

lib/rubocop/cop/style/word_array.rb

@@ -53,6 +53,7 @@ class << self
         def on_array(node)
           if bracketed_array_of?(:str, node)
             return if complex_content?(node.values)
+            return if within_2d_array_of_complex_content?(node)
 
             check_bracketed_array(node, 'w')
           elsif node.percent_literal?(:string)
@@ -62,6 +63,12 @@ def on_array(node)
 
         private
 
+        def within_2d_array_of_complex_content?(node)
+          return false unless (parent = node.parent)
+
+          parent.array_type? && parent.values.any? { |subarray| complex_content?(subarray.values) }
+        end
+
         def complex_content?(strings, complex_regex: word_regex)
           strings.any? do |s|
             next unless s.str_content

spec/rubocop/cop/style/word_array_spec.rb

@@ -347,6 +347,34 @@
         A = %w(one two)
       RUBY
     end
+
+    it 'registers an offense and corrects for array within 2d array' do
+      expect_offense(<<~RUBY)
+        [
+          ['one', 'One'],
+          ^^^^^^^^^^^^^^ Use `%w` or `%W` for an array of words.
+          ['two', 'Two']
+          ^^^^^^^^^^^^^^ Use `%w` or `%W` for an array of words.
+        ]
+      RUBY
+
+      expect_correction(<<~RUBY)
+        [
+          %w(one One),
+          %w(two Two)
+        ]
+      RUBY
+    end
+
+    it 'does not register an offense for array within 2d array containing subarrays with complex content' do
+      expect_no_offenses(<<~RUBY)
+        [
+          ['one', 'One'],
+          ['two', 'Two'],
+          ['forty two', 'Forty Two']
+        ]
+      RUBY
+    end
   end
 
   context 'when EnforcedStyle is array' do