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<title>[58798] trunk: Block Bindings: Adds sources in the editor settings to consume them in the client</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/58798">58798</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/58798","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>cbravobernal</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2024-07-24 10:57:27 +0000 (Wed, 24 Jul 2024)</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 Bindings: Adds sources in the editor settings to consume them in the client

Adds a new property `blockBindingsSources` to the editor settings to expose the block bindings sources registered in the server.

Props santosguillamot, cbravobernal, gziolo, artemiosans.
Fixes <a href="https://core.trac.wordpress.org/ticket/61641">#61641</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesblockeditorphp">trunk/src/wp-includes/block-editor.php</a></li>
<li><a href="#trunktestsphpunittestsblockbindingswpBlockBindingsRegistryphp">trunk/tests/phpunit/tests/block-bindings/wpBlockBindingsRegistry.php</a></li>
<li><a href="#trunktestsphpunittestsblockseditorphp">trunk/tests/phpunit/tests/blocks/editor.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesblockeditorphp"></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/block-editor.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/block-editor.php    2024-07-24 00:24:31 UTC (rev 58797)
+++ trunk/src/wp-includes/block-editor.php      2024-07-24 10:57:27 UTC (rev 58798)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -648,6 +648,23 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $editor_settings['postContentAttributes'] = $post_content_block_attributes;
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        // Expose block bindings sources in the editor settings.
+       $registered_block_bindings_sources = get_all_registered_block_bindings_sources();
+       if ( ! empty( $registered_block_bindings_sources ) ) {
+               // Initialize array.
+               $editor_settings['blockBindingsSources'] = array();
+               foreach ( $registered_block_bindings_sources as $source_name => $source_properties ) {
+                       // Add source with the label to editor settings.
+                       $editor_settings['blockBindingsSources'][ $source_name ] = array(
+                               'label' => $source_properties->label,
+                       );
+                       // Add `usesContext` property if exists.
+                       if ( ! empty( $source_properties->uses_context ) ) {
+                               $editor_settings['blockBindingsSources'][ $source_name ]['usesContext'] = $source_properties->uses_context;
+                       }
+               }
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         /**
</span><span class="cx" style="display: block; padding: 0 10px">         * Filters the settings to pass to the block editor for all editor type.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span></span></pre></div>
<a id="trunktestsphpunittestsblockbindingswpBlockBindingsRegistryphp"></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/block-bindings/wpBlockBindingsRegistry.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/block-bindings/wpBlockBindingsRegistry.php      2024-07-24 00:24:31 UTC (rev 58797)
+++ trunk/tests/phpunit/tests/block-bindings/wpBlockBindingsRegistry.php        2024-07-24 10:57:27 UTC (rev 58798)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -311,6 +311,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $expected = new WP_Block_Bindings_Source( $source_two_name, $source_two_properties );
</span><span class="cx" style="display: block; padding: 0 10px">                $result   = $this->registry->get_registered( 'test/source-two' );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                $this->registry->unregister( 'test/source-one' );
+               $this->registry->unregister( 'test/source-two' );
+               $this->registry->unregister( 'test/source-three' );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEquals(
</span><span class="cx" style="display: block; padding: 0 10px">                        $expected,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -380,6 +383,8 @@
</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">                $new_uses_context = $block_registry->get_registered( 'core/paragraph' )->uses_context;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                unregister_block_bindings_source( 'test/source-one' );
+               unregister_block_bindings_source( 'test/source-two' );
</ins><span class="cx" style="display: block; padding: 0 10px">                 // Checks that the resulting `uses_context` contains the values from both sources.
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertContains( 'commonContext', $new_uses_context );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertContains( 'sourceOneContext', $new_uses_context );
</span></span></pre></div>
<a id="trunktestsphpunittestsblockseditorphp"></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/editor.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/blocks/editor.php       2024-07-24 00:24:31 UTC (rev 58797)
+++ trunk/tests/phpunit/tests/blocks/editor.php 2024-07-24 10:57:27 UTC (rev 58798)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -720,4 +720,38 @@
</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">        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+       /**
+        * @ticket 61641
+        */
+       public function test_get_block_editor_settings_block_bindings_sources() {
+               $block_editor_context = new WP_Block_Editor_Context();
+               register_block_bindings_source(
+                       'test/source-one',
+                       array(
+                               'label'              => 'Source One',
+                               'get_value_callback' => function () {},
+                               'uses_context'       => array( 'postId' ),
+                       )
+               );
+               register_block_bindings_source(
+                       'test/source-two',
+                       array(
+                               'label'              => 'Source Two',
+                               'get_value_callback' => function () {},
+                       )
+               );
+               $settings        = get_block_editor_settings( array(), $block_editor_context );
+               $exposed_sources = $settings['blockBindingsSources'];
+               unregister_block_bindings_source( 'test/source-one' );
+               unregister_block_bindings_source( 'test/source-two' );
+               // It is expected to have 4 sources: the 2 registered sources in the test, and the 2 core sources.
+               $this->assertCount( 4, $exposed_sources );
+               $source_one = $exposed_sources['test/source-one'];
+               $this->assertSame( 'Source One', $source_one['label'] );
+               $this->assertSameSets( array( 'postId' ), $source_one['usesContext'] );
+               $source_two = $exposed_sources['test/source-two'];
+               $this->assertSame( 'Source Two', $source_two['label'] );
+               $this->assertArrayNotHasKey( 'usesContext', $source_two );
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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