rest-api-overrides.php in Gutenberg 23.2.0, at lib/experimental/rest-api-overrides.php

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1	<?php
2	/**
3	* Boot package REST API overrides.
4	*
5	* @package gutenberg
6	*/
7
8	/**
9	* Allow auto-draft status in WordPress REST API for all post types.
10	*
11	* By default, WordPress REST API doesn't include 'auto-draft' in the
12	* allowed status values. This function adds it to the schema enum for
13	* all eligible post types.
14	*/
15	function gutenberg_boot_allow_auto_draft_in_rest_api() {
16	$auto_draft_filter = function ( $schema ) {
17	if ( isset( $schema['properties']['status']['enum'] ) ) {
18	$schema['properties']['status']['enum'][] = 'auto-draft';
19	}
20	return $schema;
21	};
22
23	// Get post types that should support auto-draft.
24	$post_types = get_post_types(
25	array(
26	'show_in_rest' => true,
27	'show_ui' => true,
28	),
29	'objects'
30	);
31
32	foreach ( $post_types as $post_type ) {
33	$supports_editor = post_type_supports( $post_type->name, 'editor' );
34	$supports_title = post_type_supports( $post_type->name, 'title' );
35	$is_wp_core_system = strpos( $post_type->name, 'wp_' ) === 0;
36	$is_attachment = 'attachment' === $post_type->name;
37
38	// Only add auto-draft to content post types:
39	// - Must support either editor or title (content editing capabilities).
40	// - Exclude WordPress core system types (wp_block, wp_navigation, etc.).
41	// - Exclude attachments (media files don't need auto-draft status).
42	$should_support_auto_draft = ( $supports_editor \|\| $supports_title ) &&
43	! $is_wp_core_system &&
44	! $is_attachment;
45
46	if ( $should_support_auto_draft ) {
47	add_filter( "rest_{$post_type->name}_item_schema", $auto_draft_filter );
48	}
49	}
50	}
51
52	add_action( 'rest_api_init', 'gutenberg_boot_allow_auto_draft_in_rest_api' );
53