Remove _inject_theme_attribute_in_template_part_block() and all its usage.

Felix Arntz · Felix Arntz · commit 1a410b01badb · 2023-10-11T10:45:54.000-05:00
diff --git a/src/wp-includes/block-template-utils.php b/src/wp-includes/block-template-utils.php
@@ -470,25 +470,6 @@ function _flatten_blocks( &$blocks ) {
 	return $all_blocks;
 }
 
-/**
- * Injects the active theme's stylesheet as a `theme` attribute
- * into a given template part block.
- *
- * @since 6.4.0
- * @access private
- *
- * @param array $block a parsed block.
- * @return void
- */
-function _inject_theme_attribute_in_template_part_block( &$block ) {
-	if (
-		'core/template-part' === $block['blockName'] &&
-		! isset( $block['attrs']['theme'] )
-	) {
-		$block['attrs']['theme'] = get_stylesheet();
-	}
-}
-
 /**
  * Removes the `theme` attribute from a given template part block.
  *
@@ -549,7 +530,7 @@ function _build_block_template_result_from_file( $template_file, $template_type
 		$template->area = $template_file['area'];
 	}
 
-	$before_block_visitor = '_inject_theme_attribute_in_template_part_block';
+	$before_block_visitor = null;
 	$after_block_visitor  = null;
 	$hooked_blocks        = get_hooked_blocks();
 	if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) {
diff --git a/src/wp-includes/blocks.php b/src/wp-includes/blocks.php
@@ -779,8 +779,6 @@ function make_before_block_visitor( $hooked_blocks, $context ) {
 	 * @return string The serialized markup for the given block, with the markup for any hooked blocks prepended to it.
 	 */
 	return function ( &$block, $parent_block = null, $prev = null ) use ( $hooked_blocks, $context ) {
-		_inject_theme_attribute_in_template_part_block( $block );
-
 		$markup = '';
 
 		if ( $parent_block && ! $prev ) {
diff --git a/src/wp-includes/class-wp-block-patterns-registry.php b/src/wp-includes/class-wp-block-patterns-registry.php
@@ -165,7 +165,7 @@ public function unregister( $pattern_name ) {
 	private function prepare_content( $pattern, $hooked_blocks ) {
 		$content = $pattern['content'];
 
-		$before_block_visitor = '_inject_theme_attribute_in_template_part_block';
+		$before_block_visitor = null;
 		$after_block_visitor  = null;
 		if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) {
 			$before_block_visitor = make_before_block_visitor( $hooked_blocks, $pattern );
diff --git a/src/wp-includes/deprecated.php b/src/wp-includes/deprecated.php
@@ -6046,7 +6046,7 @@ function wp_img_tag_add_decoding_attr( $image, $context ) {
  * stylesheet as a theme attribute into each wp_template_part
  *
  * @since 5.9.0
- * @deprecated 6.4.0 Use traverse_and_serialize_blocks( parse_blocks( $template_content ), '_inject_theme_attribute_in_template_part_block' ) instead.
+ * @deprecated 6.4.0 Use traverse_and_serialize_blocks( parse_blocks( $template_content ) ) instead.
  * @access private
  *
  * @param string $template_content serialized wp_template content.
@@ -6056,7 +6056,7 @@ function _inject_theme_attribute_in_block_template_content( $template_content )
 	_deprecated_function(
 		__FUNCTION__,
 		'6.4.0',
-		'traverse_and_serialize_blocks( parse_blocks( $template_content ), "_inject_theme_attribute_in_template_part_block" )'
+		'traverse_and_serialize_blocks( parse_blocks( $template_content ) )'
 	);
 
 	$has_updated_content = false;
diff --git a/tests/phpunit/tests/block-template-utils.php b/tests/phpunit/tests/block-template-utils.php
@@ -219,98 +219,6 @@ public function data_build_block_template_result_from_file_injects_theme_attribu
 		);
 	}
 
-	/**
-	 * @ticket 59338
-	 *
-	 * @covers ::_inject_theme_attribute_in_template_part_block
-	 */
-	public function test_inject_theme_attribute_in_template_part_block() {
-		$template_part_block = array(
-			'blockName'    => 'core/template-part',
-			'attrs'        => array(
-				'slug'      => 'header',
-				'align'     => 'full',
-				'tagName'   => 'header',
-				'className' => 'site-header',
-			),
-			'innerHTML'    => '',
-			'innerContent' => array(),
-			'innerBlocks'  => array(),
-		);
-
-		_inject_theme_attribute_in_template_part_block( $template_part_block );
-		$expected = array(
-			'blockName'    => 'core/template-part',
-			'attrs'        => array(
-				'slug'      => 'header',
-				'align'     => 'full',
-				'tagName'   => 'header',
-				'className' => 'site-header',
-				'theme'     => get_stylesheet(),
-			),
-			'innerHTML'    => '',
-			'innerContent' => array(),
-			'innerBlocks'  => array(),
-		);
-		$this->assertSame(
-			$expected,
-			$template_part_block,
-			'`theme` attribute was not correctly injected in template part block.'
-		);
-	}
-
-	/**
-	 * @ticket 59338
-	 *
-	 * @covers ::_inject_theme_attribute_in_template_part_block
-	 */
-	public function test_not_inject_theme_attribute_in_template_part_block_theme_attribute_exists() {
-		$template_part_block = array(
-			'blockName'    => 'core/template-part',
-			'attrs'        => array(
-				'slug'      => 'header',
-				'align'     => 'full',
-				'tagName'   => 'header',
-				'className' => 'site-header',
-				'theme'     => 'fake-theme',
-			),
-			'innerHTML'    => '',
-			'innerContent' => array(),
-			'innerBlocks'  => array(),
-		);
-
-		$expected = $template_part_block;
-		_inject_theme_attribute_in_template_part_block( $template_part_block );
-		$this->assertSame(
-			$expected,
-			$template_part_block,
-			'Existing `theme` attribute in template part block was not respected by attribute injection.'
-		);
-	}
-
-	/**
-	 * @ticket 59338
-	 *
-	 * @covers ::_inject_theme_attribute_in_template_part_block
-	 */
-	public function test_not_inject_theme_attribute_non_template_part_block() {
-		$non_template_part_block = array(
-			'blockName'    => 'core/post-content',
-			'attrs'        => array(),
-			'innerHTML'    => '',
-			'innerContent' => array(),
-			'innerBlocks'  => array(),
-		);
-
-		$expected = $non_template_part_block;
-		_inject_theme_attribute_in_template_part_block( $non_template_part_block );
-		$this->assertSame(
-			$expected,
-			$non_template_part_block,
-			'`theme` attribute injection modified non-template-part block.'
-		);
-	}
-
 	/**
 	 * @ticket 59452
 	 *
