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<title>[57068] trunk: Block Types: Add `metadata` global attribute.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/57068">57068</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/57068","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>Bernhard Reiter</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-11-06 14:45:28 +0000 (Mon, 06 Nov 2023)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Block Types: Add `metadata` global attribute.

Add a new global attribute (i.e. an attribute that can be added to all and any blocks) called `metadata`. This is required for use cases such as allowing the user to assign custom names to blocks, or for making Block Hooks work with user-modified templates/parts/patterns (<a href="https://core.trac.wordpress.org/ticket/59646">#59646</a>).

Props Mamaduka, gziolo, get_dave.
Fixes <a href="https://core.trac.wordpress.org/ticket/59797">#59797</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswpblocktypephp">trunk/src/wp-includes/class-wp-block-type.php</a></li>
<li><a href="#trunktestsphpunittestsadminincludesPostphp">trunk/tests/phpunit/tests/admin/includesPost.php</a></li>
<li><a href="#trunktestsphpunittestsblocksregisterphp">trunk/tests/phpunit/tests/blocks/register.php</a></li>
<li><a href="#trunktestsphpunittestsblockswpBlockphp">trunk/tests/phpunit/tests/blocks/wpBlock.php</a></li>
<li><a href="#trunktestsphpunittestsblockswpBlockTypephp">trunk/tests/phpunit/tests/blocks/wpBlockType.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestblocktypecontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-block-type-controller.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpblocktypephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/class-wp-block-type.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-block-type.php     2023-11-06 14:41:11 UTC (rev 57067)
+++ trunk/src/wp-includes/class-wp-block-type.php       2023-11-06 14:45:28 UTC (rev 57068)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -242,11 +242,13 @@
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><span class="cx" style="display: block; padding: 0 10px">         * Attributes supported by every block.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * @since 6.0.0
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @since 6.0.0 Added `lock`.
+        * @since 6.5.0 Added `metadata`.
</ins><span class="cx" style="display: block; padding: 0 10px">          * @var array
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        const GLOBAL_ATTRIBUTES = array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                'lock' => array( 'type' => 'object' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         'lock'     => array( 'type' => 'object' ),
+               'metadata' => array( 'type' => 'object' ),
</ins><span class="cx" style="display: block; padding: 0 10px">         );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span></span></pre></div>
<a id="trunktestsphpunittestsadminincludesPostphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/admin/includesPost.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/admin/includesPost.php  2023-11-06 14:41:11 UTC (rev 57067)
+++ trunk/tests/phpunit/tests/admin/includesPost.php    2023-11-06 14:45:28 UTC (rev 57068)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -935,7 +935,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                'description' => '',
</span><span class="cx" style="display: block; padding: 0 10px">                                'icon'        => 'text',
</span><span class="cx" style="display: block; padding: 0 10px">                                'attributes'  => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        'lock' => array( 'type' => 'object' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 'lock'     => array( 'type' => 'object' ),
+                                       'metadata' => array( 'type' => 'object' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                                 ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'usesContext' => array(),
</span><span class="cx" style="display: block; padding: 0 10px">                                'blockHooks'  => array( 'core/post-content' => 'before' ),
</span></span></pre></div>
<a id="trunktestsphpunittestsblocksregisterphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/blocks/register.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/blocks/register.php     2023-11-06 14:41:11 UTC (rev 57067)
+++ trunk/tests/phpunit/tests/blocks/register.php       2023-11-06 14:45:28 UTC (rev 57068)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -726,6 +726,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 50263
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 50328
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 57585
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 59797
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_block_registers_with_metadata_fixture() {
</span><span class="cx" style="display: block; padding: 0 10px">                $result = register_block_type_from_metadata(
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -744,10 +745,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSameSets( array( 'alert', 'message' ), $result->keywords );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSame(
</span><span class="cx" style="display: block; padding: 0 10px">                        array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'message' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'message'  => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                         'type' => 'string',
</span><span class="cx" style="display: block; padding: 0 10px">                                ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'lock'    => array( 'type' => 'object' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'lock'     => array( 'type' => 'object' ),
+                               'metadata' => array( 'type' => 'object' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         ),
</span><span class="cx" style="display: block; padding: 0 10px">                        $result->attributes
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span></span></pre></div>
<a id="trunktestsphpunittestsblockswpBlockphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/blocks/wpBlock.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/blocks/wpBlock.php      2023-11-06 14:41:11 UTC (rev 57067)
+++ trunk/tests/phpunit/tests/blocks/wpBlock.php        2023-11-06 14:45:28 UTC (rev 57068)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -59,6 +59,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 49927
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 59797
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_constructor_assigns_block_type_from_registry() {
</span><span class="cx" style="display: block; padding: 0 10px">                $block_type_settings = array(
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -83,6 +84,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        'default' => 10,
</span><span class="cx" style="display: block; padding: 0 10px">                                ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'lock'      => array( 'type' => 'object' ),
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                'metadata'  => array( 'type' => 'object' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         ),
</span><span class="cx" style="display: block; padding: 0 10px">                        $block->block_type->attributes
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span></span></pre></div>
<a id="trunktestsphpunittestsblockswpBlockTypephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/blocks/wpBlockType.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/blocks/wpBlockType.php  2023-11-06 14:41:11 UTC (rev 57067)
+++ trunk/tests/phpunit/tests/blocks/wpBlockType.php    2023-11-06 14:45:28 UTC (rev 57068)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -80,6 +80,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /*
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 55567
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 59797
</ins><span class="cx" style="display: block; padding: 0 10px">          * @covers WP_Block_Type::set_props
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_core_attributes() {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -87,7 +88,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSameSetsWithIndex(
</span><span class="cx" style="display: block; padding: 0 10px">                        array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'lock' => array( 'type' => 'object' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'lock'     => array( 'type' => 'object' ),
+                               'metadata' => array( 'type' => 'object' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         ),
</span><span class="cx" style="display: block; padding: 0 10px">                        $block_type->attributes
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -95,6 +97,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /*
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 55567
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 59797
</ins><span class="cx" style="display: block; padding: 0 10px">          * @covers WP_Block_Type::set_props
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_core_attributes_matches_custom() {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -102,9 +105,12 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'core/fake',
</span><span class="cx" style="display: block; padding: 0 10px">                        array(
</span><span class="cx" style="display: block; padding: 0 10px">                                'attributes' => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        'lock' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 'lock'     => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                                 'type' => 'string',
</span><span class="cx" style="display: block; padding: 0 10px">                                        ),
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                        'metadata' => array(
+                                               'type' => 'number',
+                                       ),
</ins><span class="cx" style="display: block; padding: 0 10px">                                 ),
</span><span class="cx" style="display: block; padding: 0 10px">                        )
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -112,7 +118,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                // Backward compatibility: Don't override attributes with the same name.
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSameSetsWithIndex(
</span><span class="cx" style="display: block; padding: 0 10px">                        array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'lock' => array( 'type' => 'string' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'lock'     => array( 'type' => 'string' ),
+                               'metadata' => array( 'type' => 'number' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         ),
</span><span class="cx" style="display: block; padding: 0 10px">                        $block_type->attributes
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestblocktypecontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/rest-api/rest-block-type-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-block-type-controller.php 2023-11-06 14:41:11 UTC (rev 57067)
+++ trunk/tests/phpunit/tests/rest-api/rest-block-type-controller.php   2023-11-06 14:45:28 UTC (rev 57068)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -198,6 +198,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 47620
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 57585
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 59346
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 59797
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_item_invalid() {
</span><span class="cx" style="display: block; padding: 0 10px">                $block_type = 'fake/invalid';
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -242,7 +243,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertNull( $data['textdomain'] );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSameSetsWithIndex(
</span><span class="cx" style="display: block; padding: 0 10px">                        array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'lock' => array( 'type' => 'object' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'lock'     => array( 'type' => 'object' ),
+                               'metadata' => array( 'type' => 'object' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         ),
</span><span class="cx" style="display: block; padding: 0 10px">                        $data['attributes']
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -272,6 +274,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 47620
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 57585
</span><span class="cx" style="display: block; padding: 0 10px">         * @ticket 59346
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 59797
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_item_defaults() {
</span><span class="cx" style="display: block; padding: 0 10px">                $block_type = 'fake/false';
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -316,7 +319,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertNull( $data['textdomain'] );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSameSetsWithIndex(
</span><span class="cx" style="display: block; padding: 0 10px">                        array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'lock' => array( 'type' => 'object' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'lock'     => array( 'type' => 'object' ),
+                               'metadata' => array( 'type' => 'object' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         ),
</span><span class="cx" style="display: block; padding: 0 10px">                        $data['attributes']
</span><span class="cx" style="display: block; padding: 0 10px">                );
</span></span></pre>
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