From 10642d626d70cd336c70d031585215f5725ccc8e Mon Sep 17 00:00:00 2001
From: ellatrix <ellatrix@git.wordpress.org>
Date: Tue, 4 Jun 2024 10:23:15 +0000
Subject: [PATCH] REST API: Add post class list field.

See https://github.com/WordPress/gutenberg/pull/60642.
See https://github.com/WordPress/wordpress-develop/pull/6716.

Fixes #61360.

Props antonvlasenko, timothyblynjacobs, ellatrix, oandregal.


Built from https://develop.svn.wordpress.org/trunk@58326


git-svn-id: http://core.svn.wordpress.org/trunk@57783 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 .../endpoints/class-wp-rest-posts-controller.php   | 14 ++++++++++++++
 wp-includes/version.php                            |  2 +-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
index ec1588b02f..a29f92c56f 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
@@ -1998,6 +1998,10 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 					$data['generated_slug'] = $sample_permalink[1];
 				}
 			}
+
+			if ( rest_is_field_included( 'class_list', $fields ) ) {
+				$data['class_list'] = get_post_class( array(), $post->ID );
+			}
 		}
 
 		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
@@ -2353,6 +2357,16 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 				'context'     => array( 'edit' ),
 				'readonly'    => true,
 			);
+
+			$schema['properties']['class_list'] = array(
+				'description' => __( 'An array of the class names for the post container element.' ),
+				'type'        => 'array',
+				'context'     => array( 'view', 'edit' ),
+				'readonly'    => true,
+				'items'       => array(
+					'type' => 'string',
+				),
+			);
 		}
 
 		if ( $post_type_obj->hierarchical ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6599f6a9bc..967df0cbe5 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.6-alpha-58325';
+$wp_version = '6.6-alpha-58326';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.