class.jetpack-gutenberg.php — Jetpack – WP Security, Backup, Speed, & Growth 14.5.1

jetpack / class.jetpack-gutenberg.php

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class.jetpack-gutenberg.php

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1	<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2	/**
3	* Handles server-side registration and use of all blocks and plugins available in Jetpack for the block editor, aka Gutenberg.
4	* Works in tandem with client-side block registration via `index.json`
5	*
6	* @package automattic/jetpack
7	*/
8
9	use Automattic\Jetpack\Assets;
10	use Automattic\Jetpack\Blocks;
11	use Automattic\Jetpack\Connection\Initial_State as Connection_Initial_State;
12	use Automattic\Jetpack\Connection\Manager as Connection_Manager;
13	use Automattic\Jetpack\Constants;
14	use Automattic\Jetpack\Current_Plan as Jetpack_Plan;
15	use Automattic\Jetpack\Modules;
16	use Automattic\Jetpack\My_Jetpack\Initializer as My_Jetpack_Initializer;
17	use Automattic\Jetpack\Status;
18	use Automattic\Jetpack\Status\Host;
19
20	// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move the functions and such to some other file.
21
22	/**
23	* General Gutenberg editor specific functionality
24	*/
25	class Jetpack_Gutenberg {
26
27	/**
28	* Only these extensions can be registered. Used to control availability of beta blocks.
29	*
30	* @var array\|null Extensions allowed list or `null` if not initialized yet.
31	* @see static::get_extensions()
32	*/
33	private static $extensions = null;
34
35	/**
36	* Keeps track of the reasons why a given extension is unavailable.
37	*
38	* @var array Extensions availability information
39	*/
40	private static $availability = array();
41
42	/**
43	* A cached array of the fully processed availability data. Keeps track of
44	* reasons why an extension is unavailable or missing.
45	*
46	* @var array Extensions availability information.
47	*/
48	private static $cached_availability = null;
49
50	/**
51	* Site-specific features available.
52	* Their calculation can be expensive and slow, so we're caching it for the request.
53	*
54	* @var array Site-specific features
55	*/
56	private static $site_specific_features = array();
57
58	/**
59	* List of deprecated blocks.
60	*
61	* @var array List of deprecated blocks.
62	*/
63	private static $deprecated_blocks = array(
64	'jetpack/revue',
65	);
66
67	/**
68	* Storing the contents of the preset file.
69	*
70	* Already been json_decode.
71	*
72	* @var null\|object JSON decoded object after first usage.
73	*/
74	private static $preset_cache = null;
75
76	/**
77	* Check to see if a minimum version of Gutenberg is available. Because a Gutenberg version is not available in
78	* php if the Gutenberg plugin is not installed, if we know which minimum WP release has the required version we can
79	* optionally fall back to that.
80	*
81	* @param array $version_requirements An array containing the required Gutenberg version and, if known, the WordPress version that was released with this minimum version.
82	* @param string $slug The slug of the block or plugin that has the gutenberg version requirement.
83	*
84	* @since 8.3.0
85	*
86	* @return boolean True if the version of gutenberg required by the block or plugin is available.
87	*/
88	public static function is_gutenberg_version_available( $version_requirements, $slug ) {
89	global $wp_version;
90
91	// Bail if we don't at least have the gutenberg version requirement, the WP version is optional.
92	if ( empty( $version_requirements['gutenberg'] ) ) {
93	return false;
94	}
95
96	// If running a local dev build of gutenberg plugin GUTENBERG_DEVELOPMENT_MODE is set so assume correct version.
97	if ( defined( 'GUTENBERG_DEVELOPMENT_MODE' ) && GUTENBERG_DEVELOPMENT_MODE ) {
98	return true;
99	}
100
101	$version_available = false;
102
103	// If running a production build of the gutenberg plugin then GUTENBERG_VERSION is set, otherwise if WP version
104	// with required version of Gutenberg is known check that.
105	if ( defined( 'GUTENBERG_VERSION' ) ) {
106	$version_available = version_compare( GUTENBERG_VERSION, $version_requirements['gutenberg'], '>=' );
107	} elseif ( ! empty( $version_requirements['wp'] ) ) {
108	$version_available = version_compare( $wp_version, $version_requirements['wp'], '>=' );
109	}
110
111	if ( ! $version_available ) {
112	$slug = self::remove_extension_prefix( $slug );
113	self::set_extension_unavailable(
114	$slug,
115	'incorrect_gutenberg_version',
116	array(
117	'required_feature' => $slug,
118	'required_version' => $version_requirements,
119	'current_version' => array(
120	'wp' => $wp_version,
121	'gutenberg' => defined( 'GUTENBERG_VERSION' ) ? GUTENBERG_VERSION : null,
122	),
123	)
124	);
125	}
126
127	return $version_available;
128	}
129
130	/**
131	* Prepend the 'jetpack/' prefix to a block name
132	*
133	* @param string $block_name The block name.
134	*
135	* @return string The prefixed block name.
136	*/
137	private static function prepend_block_prefix( $block_name ) {
138	return 'jetpack/' . $block_name;
139	}
140
141	/**
142	* Remove the 'jetpack/' or jetpack-' prefix from an extension name
143	*
144	* @param string $extension_name The extension name.
145	*
146	* @return string The unprefixed extension name.
147	*/
148	public static function remove_extension_prefix( $extension_name ) {
149	if ( str_starts_with( $extension_name, 'jetpack/' ) \|\| str_starts_with( $extension_name, 'jetpack-' ) ) {
150	return substr( $extension_name, strlen( 'jetpack/' ) );
151	}
152	return $extension_name;
153	}
154
155	/**
156	* Whether two arrays share at least one item
157	*
158	* @param array $a An array.
159	* @param array $b Another array.
160	*
161	* @return boolean True if $a and $b share at least one item
162	*/
163	protected static function share_items( $a, $b ) {
164	return array_intersect( $a, $b ) !== array();
165	}
166
167	/**
168	* Set a (non-block) extension as available
169	*
170	* @param string $slug Slug of the extension.
171	*/
172	public static function set_extension_available( $slug ) {
173	$slug = self::remove_extension_prefix( $slug );
174	self::$availability[ $slug ] = true;
175	}
176
177	/**
178	* Set the reason why an extension (block or plugin) is unavailable
179	*
180	* @param string $slug Slug of the extension.
181	* @param string $reason A string representation of why the extension is unavailable.
182	* @param array $details A free-form array containing more information on why the extension is unavailable.
183	*/
184	public static function set_extension_unavailable( $slug, $reason, $details = array() ) {
185	if (
186	// Extensions that require a plan may be eligible for upgrades.
187	'missing_plan' === $reason
188	&& (
189	/**
190	* Filter 'jetpack_block_editor_enable_upgrade_nudge' with `true` to enable or `false`
191	* to disable paid feature upgrade nudges in the block editor.
192	*
193	* When this is changed to default to `true`, you should also update `modules/memberships/class-jetpack-memberships.php`
194	* See https://github.com/Automattic/jetpack/pull/13394#pullrequestreview-293063378
195	*
196	* @since 7.7.0
197	*
198	* @param boolean
199	*/
200	! apply_filters( 'jetpack_block_editor_enable_upgrade_nudge', false )
201	/** This filter is documented in _inc/lib/admin-pages/class.jetpack-react-page.php */
202	\|\| ! apply_filters( 'jetpack_show_promotions', true )
203	)
204	) {
205	// The block editor may apply an upgrade nudge if `missing_plan` is the reason.
206	// Add a descriptive suffix to disable behavior but provide informative reason.
207	$reason .= '__nudge_disabled';
208	}
209	$slug = self::remove_extension_prefix( $slug );
210	self::$availability[ $slug ] = array(
211	'reason' => $reason,
212	'details' => $details,
213	);
214	}
215
216	/**
217	* Used to initialize the class, no longer in use.
218	*
219	* @return void
220	* @deprecated 12.2 No longer needed.
221	*/
222	public static function init() {
223	_deprecated_function( __METHOD__, '12.2' );
224	}
225
226	/**
227	* Resets the class to its original state
228	*
229	* Used in unit tests
230	*
231	* @return void
232	*/
233	public static function reset() {
234	self::$extensions = null;
235	self::$availability = array();
236	self::$cached_availability = null;
237	}
238
239	/**
240	* Return the Gutenberg extensions (blocks and plugins) directory
241	*
242	* @return string The Gutenberg extensions directory
243	*/
244	public static function get_blocks_directory() {
245	/**
246	* Filter to select Gutenberg blocks directory
247	*
248	* @since 6.9.0
249	*
250	* @param string default: '_inc/blocks/'
251	*/
252	return apply_filters( 'jetpack_blocks_directory', '_inc/blocks/' );
253	}
254
255	/**
256	* Checks for a given .json file in the blocks folder.
257	*
258	* @deprecated 14.3
259	*
260	* @param string $preset The name of the .json file to look for.
261	*
262	* @return bool True if the file is found.
263	*/
264	public static function preset_exists( $preset ) {
265	_deprecated_function( __METHOD__, '14.3' );
266	return file_exists( JETPACK__PLUGIN_DIR . self::get_blocks_directory() . $preset . '.json' );
267	}
268
269	/**
270	* Decodes JSON loaded from the preset file in the blocks folder
271	*
272	* @since 14.3 Deprecated argument. Only one value is ever used.
273	*
274	* @param null $deprecated No longer used.
275	*
276	* @return mixed Returns an object if the file is present, or false if a valid .json file is not present.
277	*/
278	public static function get_preset( $deprecated = null ) {
279	if ( $deprecated ) {
280	_deprecated_argument( __METHOD__, '$$next-version', 'The $preset argument is no longer needed or used.' );
281	}
282
283	if ( self::$preset_cache ) {
284	return self::$preset_cache;
285	}
286
287	self::$preset_cache = json_decode(
288	// phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
289	file_get_contents( JETPACK__PLUGIN_DIR . self::get_blocks_directory() . 'index.json' )
290	);
291	return self::$preset_cache;
292	}
293
294	/**
295	* Returns a list of Jetpack Gutenberg extensions (blocks and plugins), based on index.json
296	*
297	* @return array A list of blocks: eg [ 'publicize', 'markdown' ]
298	*/
299	public static function get_jetpack_gutenberg_extensions_allowed_list() {
300	$preset_extensions_manifest = ( defined( 'TESTING_IN_JETPACK' ) && TESTING_IN_JETPACK ) ? array() : self::get_preset();
301	$blocks_variation = self::blocks_variation();
302
303	return self::get_extensions_preset_for_variation( $preset_extensions_manifest, $blocks_variation );
304	}
305
306	/**
307	* Returns a diff from a combined list of allowed extensions and extensions determined to be excluded
308	*
309	* @param array $allowed_extensions An array of allowed extensions.
310	*
311	* @return array A list of blocks: eg array( 'publicize', 'markdown' )
312	*/
313	public static function get_available_extensions( $allowed_extensions = null ) {
314	$exclusions = get_option( 'jetpack_excluded_extensions', array() );
315	$allowed_extensions = $allowed_extensions === null ? self::get_jetpack_gutenberg_extensions_allowed_list() : $allowed_extensions;
316
317	return array_diff( $allowed_extensions, $exclusions );
318	}
319
320	/**
321	* Return true if the extension has been registered and there's nothing in the availablilty array.
322	*
323	* @param string $extension The name of the extension.
324	*
325	* @return bool whether the extension has been registered and there's nothing in the availablilty array.
326	*/
327	public static function is_registered_and_no_entry_in_availability( $extension ) {
328	return self::is_registered( 'jetpack/' . $extension ) && ! isset( self::$availability[ $extension ] );
329	}
330
331	/**
332	* Return true if the extension has a true entry in the availablilty array.
333	*
334	* @param string $extension The name of the extension.
335	*
336	* @return bool whether the extension has a true entry in the availablilty array.
337	*/
338	public static function is_available( $extension ) {
339	return isset( self::$availability[ $extension ] ) && true === self::$availability[ $extension ];
340	}
341
342	/**
343	* Get the availability of each block / plugin, or return the cached availability
344	* if it has already been calculated. Avoids re-registering extensions when not
345	* necessary.
346	*
347	* @return array A list of block and plugins and their availability status.
348	*/
349	public static function get_cached_availability() {
350	if ( null === self::$cached_availability ) {
351	self::$cached_availability = self::get_availability();
352	}
353	return self::$cached_availability;
354	}
355
356	/**
357	* Get availability of each block / plugin.
358	*
359	* @return array A list of block and plugins and their availablity status
360	*/
361	public static function get_availability() {
362	/**
363	* Fires before Gutenberg extensions availability is computed.
364	*
365	* In the function call you supply, use `Blocks::jetpack_register_block()` to set a block as available.
366	* Alternatively, use `Jetpack_Gutenberg::set_extension_available()` (for a non-block plugin), and
367	* `Jetpack_Gutenberg::set_extension_unavailable()` (if the block or plugin should not be registered
368	* but marked as unavailable).
369	*
370	* @since 7.0.0
371	*/
372	do_action( 'jetpack_register_gutenberg_extensions' );
373
374	$available_extensions = array();
375
376	foreach ( static::get_extensions() as $extension ) {
377	$is_available = self::is_registered_and_no_entry_in_availability( $extension ) \|\| self::is_available( $extension );
378	$available_extensions[ $extension ] = array(
379	'available' => $is_available,
380	);
381
382	if ( ! $is_available ) {
383	$reason = isset( self::$availability[ $extension ] ) ? self::$availability[ $extension ]['reason'] : 'missing_module';
384	$details = isset( self::$availability[ $extension ] ) ? self::$availability[ $extension ]['details'] : array();
385	$available_extensions[ $extension ]['unavailable_reason'] = $reason;
386	$available_extensions[ $extension ]['details'] = $details;
387	}
388	}
389
390	return $available_extensions;
391	}
392
393	/**
394	* Return the list of extensions that are available.
395	*
396	* @since 11.9
397	*
398	* @return array A list of block and plugins and their availability status.
399	*/
400	public static function get_extensions() {
401	if ( ! static::should_load() ) {
402	return array();
403	}
404
405	if ( null === self::$extensions ) {
406	/**
407	* Filter the list of block editor extensions that are available through Jetpack.
408	*
409	* @since 7.0.0
410	*
411	* @param array
412	*/
413	self::$extensions = apply_filters( 'jetpack_set_available_extensions', self::get_available_extensions() );
414	}
415
416	return self::$extensions;
417	}
418
419	/**
420	* Check if an extension/block is already registered
421	*
422	* @since 7.2
423	*
424	* @param string $slug Name of extension/block to check.
425	*
426	* @return bool
427	*/
428	public static function is_registered( $slug ) {
429	return WP_Block_Type_Registry::get_instance()->is_registered( $slug );
430	}
431
432	/**
433	* Check if Gutenberg editor is available
434	*
435	* @since 6.7.0
436	*
437	* @return bool
438	*/
439	public static function is_gutenberg_available() {
440	return true;
441	}
442
443	/**
444	* Check whether conditions indicate Gutenberg Extensions (blocks and plugins) should be loaded
445	*
446	* Loading blocks and plugins is enabled by default and may be disabled via filter:
447	* add_filter( 'jetpack_gutenberg', '__return_false' );
448	*
449	* @since 6.9.0
450	*
451	* @return bool
452	*/
453	public static function should_load() {
454	if ( ! Jetpack::is_connection_ready() && ! ( new Status() )->is_offline_mode() ) {
455	return false;
456	}
457
458	$return = true;
459
460	if ( ! ( new Modules() )->is_active( 'blocks' ) ) {
461	$return = false;
462	}
463
464	/**
465	* Filter to enable Gutenberg blocks.
466	*
467	* Defaults to true if (connected or in offline mode) and the Blocks module is active.
468	*
469	* @since 6.5.0
470	* @since 13.9 Filter is able to activate or deactivate Gutenberg blocks.
471	*
472	* @param bool true Whether to load Gutenberg blocks
473	*/
474	return (bool) apply_filters( 'jetpack_gutenberg', $return );
475	}
476
477	/**
478	* Queue a script to set `Jetpack_Block_Assets_Base_Url`.
479	*
480	* In certain cases Webpack needs to know a base to load additional assets from.
481	* Normally it can determine that itself, but when JS concatenation is involved that tends to confuse it.
482	* We work around that by explicitly outputting a variable with the correct URL.
483	* We set that as its own "script" so we can reliably only output it once.
484	*/
485	private static function register_blocks_assets_base_url() {
486	if ( ! wp_script_is( 'jetpack-blocks-assets-base-url', 'registered' ) ) {
487	// phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion -- No actual script, so no version needed.
488	wp_register_script( 'jetpack-blocks-assets-base-url', false, array(), null, array( 'in_footer' => false ) );
489	$json_encode_flags = JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP;
490	if ( get_option( 'blog_charset' ) === 'UTF-8' ) {
491	$json_encode_flags \|= JSON_UNESCAPED_UNICODE;
492	}
493	wp_add_inline_script(
494	'jetpack-blocks-assets-base-url',
495	'var Jetpack_Block_Assets_Base_Url=' . wp_json_encode( plugins_url( self::get_blocks_directory(), JETPACK__PLUGIN_FILE ), $json_encode_flags ) . ';',
496	'before'
497	);
498	}
499	}
500
501	/**
502	* Only enqueue block assets when needed.
503	*
504	* @param string $type Slug of the block or absolute path to the block source code directory.
505	* @param array $script_dependencies Script dependencies. Will be merged with automatically
506	* detected script dependencies from the webpack build.
507	*
508	* @return void
509	*/
510	public static function load_assets_as_required( $type, $script_dependencies = array() ) {
511	if ( is_admin() ) {
512	// A block's view assets will not be required in wp-admin.
513	return;
514	}
515
516	// Retrieve the feature from block.json if a path is passed.
517	if ( path_is_absolute( $type ) ) {
518	$metadata = Blocks::get_block_metadata_from_file( Blocks::get_path_to_block_metadata( $type ) );
519	$feature = Blocks::get_block_feature_from_metadata( $metadata );
520
521	if ( ! empty( $feature ) ) {
522	$type = $feature;
523	}
524	}
525
526	$type = sanitize_title_with_dashes( $type );
527	self::load_styles_as_required( $type );
528	self::load_scripts_as_required( $type, $script_dependencies );
529	}
530
531	/**
532	* Only enqueue block sytles when needed.
533	*
534	* @param string $type Slug of the block.
535	*
536	* @since 7.2.0
537	*
538	* @return void
539	*/
540	public static function load_styles_as_required( $type ) {
541	if ( is_admin() ) {
542	// A block's view assets will not be required in wp-admin.
543	return;
544	}
545
546	// Enqueue styles.
547	$style_relative_path = self::get_blocks_directory() . $type . '/view' . ( is_rtl() ? '.rtl' : '' ) . '.css';
548	if ( self::block_has_asset( $style_relative_path ) ) {
549	$style_version = self::get_asset_version( $style_relative_path );
550	$view_style = plugins_url( $style_relative_path, JETPACK__PLUGIN_FILE );
551	$view_style = add_query_arg( 'minify', 'false', $view_style );
552
553	// If this is a customizer preview, render the style directly to the preview after autosave.
554	// phpcs:ignore WordPress.Security.NonceVerification.Recommended
555	if ( is_customize_preview() && ! empty( $_GET['customize_autosaved'] ) ) {
556	// phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedStylesheet
557	echo '<link rel="stylesheet" id="jetpack-block-' . esc_attr( $type ) . '" href="' . esc_attr( $view_style ) . '&ver=' . esc_attr( $style_version ) . '" media="all">';
558	} else {
559	wp_enqueue_style( 'jetpack-block-' . $type, $view_style, array(), $style_version );
560	wp_style_add_data( 'jetpack-block-' . $type, 'path', JETPACK__PLUGIN_DIR . $style_relative_path );
561	}
562	}
563	}
564
565	/**
566	* Only enqueue block scripts when needed.
567	*
568	* @param string $type Slug of the block.
569	* @param array $script_dependencies Script dependencies. Will be merged with automatically
570	* detected script dependencies from the webpack build.
571	*
572	* @since 7.2.0
573	*
574	* @return void
575	*/
576	public static function load_scripts_as_required( $type, $script_dependencies = array() ) {
577	if ( is_admin() ) {
578	// A block's view assets will not be required in wp-admin.
579	return;
580	}
581
582	self::register_blocks_assets_base_url();
583
584	// Enqueue script.
585	$script_relative_path = self::get_blocks_directory() . $type . '/view.js';
586	$script_deps_path = JETPACK__PLUGIN_DIR . self::get_blocks_directory() . $type . '/view.asset.php';
587	$script_dependencies[] = 'jetpack-blocks-assets-base-url';
588	if ( file_exists( $script_deps_path ) ) {
589	$asset_manifest = include $script_deps_path;
590	$script_dependencies = array_unique( array_merge( $script_dependencies, $asset_manifest['dependencies'] ) );
591	}
592
593	if ( ! Blocks::is_amp_request() && self::block_has_asset( $script_relative_path ) ) {
594	$script_version = self::get_asset_version( $script_relative_path );
595	$view_script = plugins_url( $script_relative_path, JETPACK__PLUGIN_FILE );
596	$view_script = add_query_arg( 'minify', 'false', $view_script );
597
598	// Enqueue dependencies.
599	wp_enqueue_script( 'jetpack-block-' . $type, $view_script, $script_dependencies, $script_version, false );
600
601	// If this is a customizer preview, enqueue the dependencies and render the script directly to the preview after autosave.
602	// phpcs:ignore WordPress.Security.NonceVerification.Recommended
603	if ( is_customize_preview() && ! empty( $_GET['customize_autosaved'] ) ) {
604	// The Map block is dependent on wp-element, and it doesn't appear to to be possible to load
605	// this dynamically into the customizer iframe currently.
606	if ( 'map' === $type ) {
607	echo '<div>' . esc_html_e( 'No map preview available. Publish and refresh to see this widget.', 'jetpack' ) . '</div>';
608	echo '<script>';
609	echo 'Array.from(document.getElementsByClassName(\'wp-block-jetpack-map\')).forEach(function(element){element.style.display = \'none\';})';
610	echo '</script>';
611	} else {
612	echo '<script id="jetpack-block-' . esc_attr( $type ) . '" src="' . esc_attr( $view_script ) . '&ver=' . esc_attr( $script_version ) . '"></script>';
613	}
614	}
615	}
616	}
617
618	/**
619	* Check if an asset exists for a block.
620	*
621	* @param string $file Path of the file we are looking for.
622	*
623	* @return bool $block_has_asset Does the file exist.
624	*/
625	public static function block_has_asset( $file ) {
626	return file_exists( JETPACK__PLUGIN_DIR . $file );
627	}
628
629	/**
630	* Get the version number to use when loading the file. Allows us to bypass cache when developing.
631	*
632	* @param string $file Path of the file we are looking for.
633	*
634	* @return string $script_version Version number.
635	*/
636	public static function get_asset_version( $file ) {
637	return Jetpack::is_development_version() && self::block_has_asset( $file )
638	? filemtime( JETPACK__PLUGIN_DIR . $file )
639	: JETPACK__VERSION;
640	}
641
642	/**
643	* Load Gutenberg editor assets
644	*
645	* @since 6.7.0
646	*
647	* @return void
648	*/
649	public static function enqueue_block_editor_assets() {
650	if ( ! self::should_load() ) {
651	return;
652	}
653
654	/**
655	* This can be called multiple times per page load in the admin, during the `enqueue_block_assets` action.
656	* These assets are necessary for the admin for editing but are not necessary for each pattern preview.
657	* Therefore we dequeue them, so they don't load for each pattern preview iframe.
658	*/
659	if ( ! wp_should_load_block_editor_scripts_and_styles() ) {
660	wp_dequeue_script( 'jp-tracks' );
661	wp_dequeue_script( 'jetpack-blocks-editor' );
662
663	return;
664	}
665
666	$status = new Status();
667
668	// Required for Analytics. See _inc/lib/admin-pages/class.jetpack-admin-page.php.
669	if ( ! $status->is_offline_mode() && Jetpack::is_connection_ready() ) {
670	wp_enqueue_script( 'jp-tracks', '//stats.wp.com/w.js', array(), gmdate( 'YW' ), true );
671	}
672
673	$blocks_dir = self::get_blocks_directory();
674	$blocks_variation = self::blocks_variation();
675
676	if ( 'production' !== $blocks_variation ) {
677	$blocks_env = '-' . esc_attr( $blocks_variation );
678	} else {
679	$blocks_env = '';
680	}
681
682	self::register_blocks_assets_base_url();
683
684	Assets::register_script(
685	'jetpack-blocks-editor',
686	"{$blocks_dir}editor{$blocks_env}.js",
687	JETPACK__PLUGIN_FILE,
688	array(
689	'textdomain' => 'jetpack',
690	'dependencies' => array( 'jetpack-blocks-assets-base-url' ),
691	)
692	);
693
694	// Hack around #20357 (specifically, that the editor bundle depends on
695	// wp-edit-post but wp-edit-post's styles break the Widget Editor and
696	// Site Editor) until a real fix gets unblocked.
697	// @todo Remove this once #20357 is properly fixed.
698	$wp_styles_fix = wp_styles()->query( 'jetpack-blocks-editor', 'registered' );
699	if ( empty( $wp_styles_fix ) ) {
700	wp_die( 'Your installation of Jetpack is incomplete. Please run "jetpack build plugins/jetpack" in your dev env.' );
701	}
702	wp_styles()->query( 'jetpack-blocks-editor', 'registered' )->deps = array();
703
704	Assets::enqueue_script( 'jetpack-blocks-editor' );
705
706	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
707	$user = wp_get_current_user();
708	$user_data = array(
709	'email' => $user->user_email,
710	'userid' => $user->ID,
711	'username' => $user->user_login,
712	);
713	$blog_id = get_current_blog_id();
714	$is_current_user_connected = true;
715	} else {
716	$user_data = Jetpack_Tracks_Client::get_connected_user_tracks_identity();
717	$blog_id = Jetpack_Options::get_option( 'id', 0 );
718	$is_current_user_connected = ( new Connection_Manager( 'jetpack' ) )->is_user_connected();
719	}
720
721	if ( $blocks_variation === 'beta' && $is_current_user_connected ) {
722	wp_enqueue_style( 'recoleta-font', '//s1.wp.com/i/fonts/recoleta/css/400.min.css', array(), Constants::get_constant( 'JETPACK__VERSION' ) );
723	}
724	// AI Assistant
725	$ai_assistant_state = array(
726	'is-enabled' => apply_filters( 'jetpack_ai_enabled', true ),
727	);
728
729	$screen_base = null;
730	if ( function_exists( 'get_current_screen' ) ) {
731	$screen_base = get_current_screen()->base;
732	}
733
734	$modules = array();
735	if ( class_exists( 'Jetpack_Core_API_Module_List_Endpoint' ) ) {
736	$module_list_endpoint = new Jetpack_Core_API_Module_List_Endpoint();
737	$modules = $module_list_endpoint->get_modules();
738	}
739
740	$jetpack_plan = Jetpack_Plan::get();
741	$initial_state = array(
742	'available_blocks' => self::get_availability(),
743	'blocks_variation' => $blocks_variation,
744	'modules' => $modules,
745	'jetpack' => array(
746	'is_active' => Jetpack::is_connection_ready(),
747	'is_current_user_connected' => $is_current_user_connected,
748	/** This filter is documented in class.jetpack-gutenberg.php */
749	'enable_upgrade_nudge' => apply_filters( 'jetpack_block_editor_enable_upgrade_nudge', false ),
750	'is_private_site' => $status->is_private_site(),
751	'is_coming_soon' => $status->is_coming_soon(),
752	'is_offline_mode' => $status->is_offline_mode(),
753	'is_newsletter_feature_enabled' => class_exists( '\Jetpack_Memberships' ),
754	// this is the equivalent of JP initial state siteData.showMyJetpack (class-jetpack-redux-state-helper)
755	// used to determine if we can link to My Jetpack from the block editor
756	'is_my_jetpack_available' => My_Jetpack_Initializer::should_initialize(),
757	'jetpack_plan' => array(
758	'data' => $jetpack_plan['product_slug'],
759	),
760	/**
761	* Enable the RePublicize UI in the block editor context.
762	*
763	* @module publicize
764	*
765	* @since 10.3.0
766	* @deprecated 11.5 This is a feature flag that is no longer used.
767	*
768	* @param bool true Enable the RePublicize UI in the block editor context. Defaults to true.
769	*/
770	'republicize_enabled' => apply_filters( 'jetpack_block_editor_republicize_feature', true ),
771	),
772	'siteFragment' => $status->get_site_suffix(),
773	'adminUrl' => esc_url( admin_url() ),
774	'tracksUserData' => $user_data,
775	'wpcomBlogId' => $blog_id,
776	'allowedMimeTypes' => wp_get_mime_types(),
777	'siteLocale' => str_replace( '_', '-', get_locale() ),
778	'ai-assistant' => $ai_assistant_state,
779	'screenBase' => $screen_base,
780	'pluginBasePath' => plugins_url( '', Constants::get_constant( 'JETPACK__PLUGIN_FILE' ) ),
781	);
782
783	wp_localize_script(
784	'jetpack-blocks-editor',
785	'Jetpack_Editor_Initial_State',
786	$initial_state
787	);
788
789	// Adds Connection package initial state.
790	Connection_Initial_State::render_script( 'jetpack-blocks-editor' );
791	}
792
793	/**
794	* Some blocks do not depend on a specific module,
795	* and can consequently be loaded outside of the usual modules.
796	* We will look for such modules in the extensions/ directory.
797	*
798	* @since 7.1.0
799	* @see wp_common_block_scripts_and_styles()
800	*/
801	public static function load_independent_blocks() {
802	if ( self::should_load() ) {
803	/**
804	* Look for files that match our list of available Jetpack Gutenberg extensions (blocks and plugins).
805	* If available, load them.
806	*/
807	$directories = array( 'blocks', 'plugins', 'extended-blocks' );
808
809	foreach ( static::get_extensions() as $extension ) {
810	foreach ( $directories as $dirname ) {
811	$path = JETPACK__PLUGIN_DIR . "extensions/{$dirname}/{$extension}/{$extension}.php";
812
813	if ( file_exists( $path ) ) {
814	include_once $path;
815	continue 2;
816	}
817	}
818	}
819	}
820	}
821
822	/**
823	* Loads PHP components of block editor extensions.
824	*
825	* @since 8.9.0
826	*/
827	public static function load_block_editor_extensions() {
828	if ( self::should_load() ) {
829	// Block editor extensions to load.
830	$extensions_to_load = array(
831	'extended-blocks',
832	'plugins',
833	);
834
835	// Collect the extension paths.
836	foreach ( $extensions_to_load as $extension_to_load ) {
837	$extensions_folder = glob( JETPACK__PLUGIN_DIR . 'extensions/' . $extension_to_load . '/*' );
838
839	// Require each of the extension files, in case it exists.
840	foreach ( $extensions_folder as $extension_folder ) {
841	$name = basename( $extension_folder );
842	$extension_file_path = JETPACK__PLUGIN_DIR . 'extensions/' . $extension_to_load . '/' . $name . '/' . $name . '.php';
843
844	if ( file_exists( $extension_file_path ) ) {
845	include_once $extension_file_path;
846	}
847	}
848	}
849	}
850	}
851
852	/**
853	* Determine whether a site should use the default set of blocks, or a custom set.
854	* Possible variations are currently beta, experimental, and production.
855	*
856	* @since 8.1.0
857	*
858	* @return string $block_varation production\|beta\|experimental
859	*/
860	public static function blocks_variation() {
861	// Default to production blocks.
862	$block_varation = 'production';
863
864	/*
865	* Prefer to use this JETPACK_BLOCKS_VARIATION constant
866	* or the jetpack_blocks_variation filter
867	* to set the block variation in your code.
868	*/
869	$default = Constants::get_constant( 'JETPACK_BLOCKS_VARIATION' );
870	if ( ! empty( $default ) && in_array( $default, array( 'beta', 'experimental', 'production' ), true ) ) {
871	$block_varation = $default;
872	}
873
874	/**
875	* Alternative to `JETPACK_BETA_BLOCKS`, set to `true` to load Beta Blocks.
876	*
877	* @since 6.9.0
878	* @deprecated 11.8.0 Use jetpack_blocks_variation filter instead.
879	*
880	* @param boolean
881	*/
882	$is_beta = apply_filters_deprecated(
883	'jetpack_load_beta_blocks',
884	array( false ),
885	'jetpack-11.8.0',
886	'jetpack_blocks_variation'
887	);
888
889	/*
890	* Switch to beta blocks if you use the JETPACK_BETA_BLOCKS constant
891	* or the deprecated jetpack_load_beta_blocks filter.
892	* This only applies when not using the newer JETPACK_BLOCKS_VARIATION constant.
893	*/
894	if (
895	empty( $default )
896	&& (
897	$is_beta
898	\|\| Constants::is_true( 'JETPACK_BETA_BLOCKS' )
899	)
900	) {
901	$block_varation = 'beta';
902	}
903
904	/**
905	* Alternative to `JETPACK_EXPERIMENTAL_BLOCKS`, set to `true` to load Experimental Blocks.
906	*
907	* @since 6.9.0
908	* @deprecated 11.8.0 Use jetpack_blocks_variation filter instead.
909	*
910	* @param boolean
911	*/
912	$is_experimental = apply_filters_deprecated(
913	'jetpack_load_experimental_blocks',
914	array( false ),
915	'jetpack-11.8.0',
916	'jetpack_blocks_variation'
917	);
918
919	/*
920	* Switch to experimental blocks if you use the JETPACK_EXPERIMENTAL_BLOCKS constant
921	* or the deprecated jetpack_load_experimental_blocks filter.
922	* This only applies when not using the newer JETPACK_BLOCKS_VARIATION constant.
923	*/
924	if (
925	empty( $default )
926	&& (
927	$is_experimental
928	\|\| Constants::is_true( 'JETPACK_EXPERIMENTAL_BLOCKS' )
929	)
930	) {
931	$block_varation = 'experimental';
932	}
933
934	/**
935	* Allow customizing the variation of blocks in use on a site.
936	* Overwrites any previously set values, whether by constant or filter.
937	*
938	* @since 8.1.0
939	*
940	* @param string $block_variation Can be beta, experimental, and production. Defaults to production.
941	*/
942	return apply_filters( 'jetpack_blocks_variation', $block_varation );
943	}
944
945	/**
946	* Get a list of extensions available for the variation you chose.
947	*
948	* @since 8.1.0
949	*
950	* @param object $preset_extensions_manifest List of extensions available in Jetpack.
951	* @param string $blocks_variation Subset of blocks. production\|beta\|experimental.
952	*
953	* @return array $preset_extensions Array of extensions for that variation
954	*/
955	public static function get_extensions_preset_for_variation( $preset_extensions_manifest, $blocks_variation ) {
956	$preset_extensions = isset( $preset_extensions_manifest->{ $blocks_variation } )
957	? (array) $preset_extensions_manifest->{ $blocks_variation }
958	: array();
959
960	/*
961	* Experimental and Beta blocks need the production blocks as well.
962	*/
963	if (
964	'experimental' === $blocks_variation
965	\|\| 'beta' === $blocks_variation
966	) {
967	$production_extensions = isset( $preset_extensions_manifest->production )
968	? (array) $preset_extensions_manifest->production
969	: array();
970
971	$preset_extensions = array_unique( array_merge( $preset_extensions, $production_extensions ) );
972	}
973
974	/*
975	* Beta blocks need the experimental blocks as well.
976	*
977	* If you've chosen to see Beta blocks,
978	* we want to make all blocks available to you:
979	* - Production
980	* - Experimental
981	* - Beta
982	*/
983	if ( 'beta' === $blocks_variation ) {
984	$production_extensions = isset( $preset_extensions_manifest->experimental )
985	? (array) $preset_extensions_manifest->experimental
986	: array();
987
988	$preset_extensions = array_unique( array_merge( $preset_extensions, $production_extensions ) );
989	}
990
991	return $preset_extensions;
992	}
993
994	/**
995	* Validate a URL used in a SSR block.
996	*
997	* @since 8.3.0
998	*
999	* @param string $url URL saved as an attribute in block.
1000	* @param array $allowed Array of allowed hosts for that block, or regexes to check against.
1001	* @param bool $is_regex Array of regexes matching the URL that could be used in block.
1002	*
1003	* @return bool\|string
1004	*/
1005	public static function validate_block_embed_url( $url, $allowed = array(), $is_regex = false ) {
1006	if (
1007	empty( $url )
1008	\|\| ! is_array( $allowed )
1009	\|\| empty( $allowed )
1010	) {
1011	return false;
1012	}
1013
1014	$url_components = wp_parse_url( $url );
1015
1016	// Bail early if we cannot find a host.
1017	if ( empty( $url_components['host'] ) ) {
1018	return false;
1019	}
1020
1021	// Normalize URL.
1022	$url = sprintf(
1023	'%s://%s%s%s',
1024	isset( $url_components['scheme'] ) ? $url_components['scheme'] : 'https',
1025	$url_components['host'],
1026	isset( $url_components['path'] ) ? $url_components['path'] : '/',
1027	isset( $url_components['query'] ) ? '?' . $url_components['query'] : ''
1028	);
1029
1030	if ( ! empty( $url_components['fragment'] ) ) {
1031	$url = $url . '#' . rawurlencode( $url_components['fragment'] );
1032	}
1033
1034	/*
1035	* If we're using an allowed list of hosts,
1036	* check if the URL belongs to one of the domains allowed for that block.
1037	*/
1038	if (
1039	false === $is_regex
1040	&& in_array( $url_components['host'], $allowed, true )
1041	) {
1042	return $url;
1043	}
1044
1045	/*
1046	* If we are using an array of regexes to check against,
1047	* loop through that.
1048	*/
1049	if ( true === $is_regex ) {
1050	foreach ( $allowed as $regex ) {
1051	if ( 1 === preg_match( $regex, $url ) ) {
1052	return $url;
1053	}
1054	}
1055	}
1056
1057	return false;
1058	}
1059
1060	/**
1061	* Determines whether a preview of the block with an upgrade nudge should
1062	* be displayed for admins on the site frontend.
1063	*
1064	* @since 8.4.0
1065	*
1066	* @param array $availability_for_block The availability for the block.
1067	*
1068	* @return bool
1069	*/
1070	public static function should_show_frontend_preview( $availability_for_block ) {
1071	return (
1072	isset( $availability_for_block['details']['required_plan'] )
1073	&& current_user_can( 'manage_options' )
1074	&& ! is_feed()
1075	);
1076	}
1077
1078	/**
1079	* Output an UpgradeNudge Component on the frontend of a site.
1080	*
1081	* @since 8.4.0
1082	*
1083	* @param string $plan The plan that users need to purchase to make the block work.
1084	*
1085	* @return string
1086	*/
1087	public static function upgrade_nudge( $plan ) {
1088	require_once JETPACK__PLUGIN_DIR . '_inc/lib/components.php';
1089	return Jetpack_Components::render_upgrade_nudge(
1090	array(
1091	'plan' => $plan,
1092	)
1093	);
1094	}
1095
1096	/**
1097	* Output a notice within a block.
1098	*
1099	* @since 8.6.0
1100	*
1101	* @param string $message Notice we want to output.
1102	* @param string $status Status of the notice. Can be one of success, info, warning, error. info by default.
1103	* @param string $classes List of CSS classes.
1104	*
1105	* @return string
1106	*/
1107	public static function notice( $message, $status = 'info', $classes = '' ) {
1108	if (
1109	empty( $message )
1110	\|\| ! in_array( $status, array( 'success', 'info', 'warning', 'error' ), true )
1111	) {
1112	return '';
1113	}
1114
1115	$color = '';
1116	switch ( $status ) {
1117	case 'success':
1118	$color = '#00a32a';
1119	break;
1120	case 'warning':
1121	$color = '#dba617';
1122	break;
1123	case 'error':
1124	$color = '#d63638';
1125	break;
1126	case 'info':
1127	default:
1128	$color = '#72aee6';
1129	break;
1130	}
1131
1132	return sprintf(
1133	'<div class="jetpack-block__notice %1$s %3$s" style="border-left:5px solid %4$s;padding:1em;background-color:#f8f9f9;">%2$s</div>',
1134	esc_attr( $status ),
1135	wp_kses(
1136	$message,
1137	array(
1138	'br' => array(),
1139	'p' => array(),
1140	'a' => array(
1141	'href' => array(),
1142	'target' => array(),
1143	'rel' => array(),
1144	),
1145	)
1146	),
1147	esc_attr( $classes ),
1148	sanitize_hex_color( $color )
1149	);
1150	}
1151
1152	/**
1153	* Retrieve site-specific features for Simple sites.
1154	*
1155	* We're caching the data for the lifetime of the request, because it can be slow to calculate,
1156	* and it can be called multiple times per single request.
1157	*
1158	* We intentionally don't use object caching or any other type of persistent caching,
1159	* in order to avoid complex cache invalidation on subscription addition or removal.
1160	*
1161	* @since 10.7
1162	*
1163	* @return array
1164	*/
1165	private static function get_site_specific_features() {
1166	$current_blog_id = get_current_blog_id();
1167
1168	if ( isset( self::$site_specific_features[ $current_blog_id ] ) ) {
1169	return self::$site_specific_features[ $current_blog_id ];
1170	}
1171
1172	if ( ! class_exists( 'Store_Product_List' ) ) {
1173	require WP_CONTENT_DIR . '/admin-plugins/wpcom-billing/store-product-list.php';
1174	}
1175
1176	$site_specific_features = Store_Product_List::get_site_specific_features_data( $current_blog_id );
1177	self::$site_specific_features[ $current_blog_id ] = $site_specific_features;
1178
1179	return $site_specific_features;
1180	}
1181
1182	/**
1183	* Set the availability of the block as the editor
1184	* is loaded.
1185	*
1186	* @param string $slug Slug of the block.
1187	*/
1188	public static function set_availability_for_plan( $slug ) {
1189	$slug = self::remove_extension_prefix( $slug );
1190
1191	if ( Jetpack_Plan::supports( $slug ) ) {
1192	self::set_extension_available( $slug );
1193	return;
1194	}
1195
1196	// Check what's the minimum plan where the feature is available.
1197	$plan = '';
1198	$features_data = array();
1199	$is_simple_site = defined( 'IS_WPCOM' ) && IS_WPCOM;
1200	$is_atomic_site = ( new Host() )->is_woa_site();
1201
1202	if ( $is_simple_site \|\| $is_atomic_site ) {
1203	// Simple sites.
1204	if ( $is_simple_site ) {
1205	$features_data = self::get_site_specific_features();
1206	} else {
1207	// Atomic sites.
1208	$option = get_option( 'jetpack_active_plan' );
1209	if ( isset( $option['features'] ) ) {
1210	$features_data = $option['features'];
1211	}
1212	}
1213
1214	if ( ! empty( $features_data['available'][ $slug ] ) ) {
1215	$plan = $features_data['available'][ $slug ][0];
1216	}
1217	} else {
1218	// Jetpack sites.
1219	$plan = Jetpack_Plan::get_minimum_plan_for_feature( $slug );
1220	}
1221
1222	self::set_extension_unavailable(
1223	$slug,
1224	'missing_plan',
1225	array(
1226	'required_feature' => $slug,
1227	'required_plan' => $plan,
1228	)
1229	);
1230	}
1231
1232	/**
1233	* Wraps the suplied render_callback in a function to check
1234	* the availability of the block before rendering it.
1235	*
1236	* @param string $slug The block slug, used to check for availability.
1237	* @param callable $render_callback The render_callback that will be called if the block is available.
1238	*/
1239	public static function get_render_callback_with_availability_check( $slug, $render_callback ) {
1240	return function ( $prepared_attributes, $block_content, $block ) use ( $render_callback, $slug ) {
1241	$availability = self::get_cached_availability();
1242	$bare_slug = self::remove_extension_prefix( $slug );
1243	if ( isset( $availability[ $bare_slug ] ) && $availability[ $bare_slug ]['available'] ) {
1244	return call_user_func( $render_callback, $prepared_attributes, $block_content );
1245	}
1246
1247	// A preview of the block is rendered for admins on the frontend with an upgrade nudge.
1248	if ( isset( $availability[ $bare_slug ] ) ) {
1249	if ( self::should_show_frontend_preview( $availability[ $bare_slug ] ) ) {
1250	$block_preview = call_user_func( $render_callback, $prepared_attributes, $block_content );
1251
1252	// If the upgrade nudge isn't already being displayed by a parent block, display the nudge.
1253	if ( isset( $block->attributes['shouldDisplayFrontendBanner'] ) && $block->attributes['shouldDisplayFrontendBanner'] ) {
1254	$upgrade_nudge = self::upgrade_nudge( $availability[ $bare_slug ]['details']['required_plan'] );
1255	return $upgrade_nudge . $block_preview;
1256	}
1257
1258	return $block_preview;
1259	}
1260	}
1261
1262	return null;
1263	};
1264	}
1265
1266	/**
1267	* Display a message to site editors and roles above when a block is no longer supported.
1268	* This is only displayed on the frontend.
1269	*
1270	* @since 12.3
1271	*
1272	* @param string $block_content The block content.
1273	* @param array $block The full block, including name and attributes.
1274	*
1275	* @return string
1276	*/
1277	public static function display_deprecated_block_message( $block_content, $block ) {
1278	if ( in_array( $block['blockName'], self::$deprecated_blocks, true ) ) {
1279	if ( current_user_can( 'edit_posts' ) ) {
1280	$block_content = self::notice(
1281	__( 'This block is no longer supported. Its contents will no longer be displayed to your visitors and as such this block should be removed.', 'jetpack' ),
1282	'warning',
1283	'jetpack-block-deprecated'
1284	);
1285	} else {
1286	$block_content = '';
1287	}
1288	}
1289
1290	return $block_content;
1291	}
1292
1293	/**
1294	* Temporarily bypasses _doing_it_wrong() notices for block metadata collection registration.
1295	*
1296	* WordPress 6.7 introduced block metadata collections (with strict path validation).
1297	* Any sites using symlinks for plugins will fail the validation which causes the metadata
1298	* collection to not be registered. However, the blocks will still fall back to the regular
1299	* registration and no functionality is affected.
1300	* While this validation is being discussed in WordPress Core (#62140),
1301	* this method allows registration to proceed by temporarily disabling
1302	* the relevant notice.
1303	*
1304	* @since 14.2
1305	*
1306	* @param bool $trigger Whether to trigger the error.
1307	* @param string $function The function that was called.
1308	* @param string $message A message explaining what was done incorrectly.
1309	* @param string $version The version of WordPress where the message was added.
1310	* @return bool Whether to trigger the error.
1311	*/
1312	public static function bypass_block_metadata_doing_it_wrong( $trigger, $function, $message, $version ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
1313	if ( $function === 'WP_Block_Metadata_Registry::register_collection' ) {
1314	return false;
1315	}
1316	return $trigger;
1317	}
1318
1319	/**
1320	* Register block metadata collection for Jetpack blocks.
1321	* This allows for more efficient block metadata loading by avoiding
1322	* individual block.json file reads at runtime.
1323	*
1324	* Uses wp_register_block_metadata_collection() if available (WordPress 6.7+)
1325	* and if the manifest file exists. The manifest file is auto-generated
1326	* during the build process.
1327	*
1328	* Runs on plugins_loaded to ensure registration happens before individual
1329	* blocks register themselves on init.
1330	*
1331	* @static
1332	* @since 14.1
1333	* @return void
1334	*/
1335	public static function register_block_metadata_collection() {
1336	$meta_file_path = JETPACK__PLUGIN_DIR . '_inc/blocks/blocks-manifest.php';
1337	if ( function_exists( 'wp_register_block_metadata_collection' ) && file_exists( $meta_file_path ) ) {
1338	add_filter( 'doing_it_wrong_trigger_error', array( __CLASS__, 'bypass_block_metadata_doing_it_wrong' ), 10, 4 );
1339
1340	// @phan-suppress-next-line PhanUndeclaredFunction -- New in WP 6.7. We're checking if it exists first. @phan-suppress-current-line UnusedPluginSuppression
1341	wp_register_block_metadata_collection(
1342	JETPACK__PLUGIN_DIR . '_inc/blocks/',
1343	$meta_file_path
1344	);
1345
1346	remove_filter( 'doing_it_wrong_trigger_error', array( __CLASS__, 'bypass_block_metadata_doing_it_wrong' ), 10 );
1347	}
1348	}
1349	}
1350
1351	if ( ( new Host() )->is_woa_site() ) {
1352	/**
1353	* Enable upgrade nudge for Atomic sites.
1354	* This feature is false as default,
1355	* so let's enable it through this filter.
1356	*
1357	* More doc: https://github.com/Automattic/jetpack/blob/trunk/projects/plugins/jetpack/extensions/README.md#upgrades-for-blocks
1358	*/
1359	add_filter( 'jetpack_block_editor_enable_upgrade_nudge', '__return_true' );
1360	}
1361