gutenberg / lib / load.php

load.php in Gutenberg 18.4.0, at lib/load.php

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1	<?php
2	/**
3	* Load API functions, register scripts and actions, etc.
4	*
5	* @package gutenberg
6	*/
7
8	if ( ! defined( 'ABSPATH' ) ) {
9	die( 'Silence is golden.' );
10	}
11
12	define( 'IS_GUTENBERG_PLUGIN', true );
13
14	require_once __DIR__ . '/init.php';
15	require_once __DIR__ . '/upgrade.php';
16
17	/**
18	* Checks whether the Gutenberg experiment is enabled.
19	*
20	* @since 6.7.0
21	*
22	* @param string $name The name of the experiment.
23	*
24	* @return bool True when the experiment is enabled.
25	*/
26	function gutenberg_is_experiment_enabled( $name ) {
27	$experiments = get_option( 'gutenberg-experiments' );
28	return ! empty( $experiments[ $name ] );
29	}
30
31	// These files only need to be loaded if within a rest server instance.
32	// which this class will exist if that is the case.
33	if ( class_exists( 'WP_REST_Controller' ) ) {
34	if ( ! class_exists( 'WP_REST_Block_Editor_Settings_Controller' ) ) {
35	require_once __DIR__ . '/experimental/class-wp-rest-block-editor-settings-controller.php';
36	}
37
38	// WordPress 6.4 compat.
39	require_once __DIR__ . '/compat/wordpress-6.4/class-gutenberg-rest-templates-controller-6-4.php';
40	require_once __DIR__ . '/compat/wordpress-6.4/class-gutenberg-rest-global-styles-revisions-controller-6-4.php';
41	require_once __DIR__ . '/compat/wordpress-6.4/class-gutenberg-rest-block-patterns-controller.php';
42	require_once __DIR__ . '/compat/wordpress-6.4/rest-api.php';
43	require_once __DIR__ . '/compat/wordpress-6.4/theme-previews.php';
44
45	// WordPress 6.5 compat.
46	require_once __DIR__ . '/compat/wordpress-6.5/class-gutenberg-rest-global-styles-revisions-controller-6-5.php';
47	require_once __DIR__ . '/compat/wordpress-6.5/rest-api.php';
48
49	// WordPress 6.6 compat.
50	require __DIR__ . '/compat/wordpress-6.6/class-gutenberg-rest-templates-controller-6-6.php';
51	require __DIR__ . '/compat/wordpress-6.6/rest-api.php';
52
53	// Plugin specific code.
54	require_once __DIR__ . '/class-wp-rest-global-styles-controller-gutenberg.php';
55	require_once __DIR__ . '/rest-api.php';
56
57	// Experimental.
58	if ( ! class_exists( 'WP_Rest_Customizer_Nonces' ) ) {
59	require_once __DIR__ . '/experimental/class-wp-rest-customizer-nonces.php';
60	}
61	require_once __DIR__ . '/experimental/rest-api.php';
62
63	require_once __DIR__ . '/experimental/kses-allowed-html.php';
64	}
65
66	// Experimental signaling server.
67	if ( ! class_exists( 'Gutenberg_HTTP_Singling_Server' ) ) {
68	require_once __DIR__ . '/experimental/sync/class-gutenberg-http-signaling-server.php';
69	}
70
71	require __DIR__ . '/experimental/editor-settings.php';
72
73	// Gutenberg plugin compat.
74	require __DIR__ . '/compat/plugin/edit-site-routes-backwards-compat.php';
75	require __DIR__ . '/compat/plugin/footnotes.php';
76
77	/*
78	* There are upstream updates to the Tag Processor that may not appear if Gutenberg is running
79	* a version of WordPress newer than 6.3 and older than the latest `trunk`. This file should
80	* always be loaded so that Gutenberg code can run the newest version of the Tag Processor.
81	*/
82	require __DIR__ . '/compat/wordpress-6.4/html-api/class-gutenberg-html-tag-processor-6-4.php';
83	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-attribute-token-6-5.php';
84	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-span-6-5.php';
85	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-text-replacement-6-5.php';
86	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-open-elements-6-5.php';
87	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-processor-state-6-5.php';
88	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-tag-processor-6-5.php';
89	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-processor-6-5.php';
90
91	/*
92	* The HTML Processor appeared after WordPress 6.3. If Gutenberg is running on a version of
93	* WordPress before it was introduced, these verbatim Core files will be missing.
94	*/
95	if ( ! class_exists( 'WP_HTML_Processor' ) ) {
96	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-active-formatting-elements.php';
97	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-open-elements.php';
98	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-processor-state.php';
99	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-token.php';
100	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-unsupported-exception.php';
101	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-processor.php';
102	}
103
104	// WordPress 6.4 compat.
105	require __DIR__ . '/compat/wordpress-6.4/blocks.php';
106	require __DIR__ . '/compat/wordpress-6.4/block-hooks.php';
107	require __DIR__ . '/compat/wordpress-6.4/script-loader.php';
108	require __DIR__ . '/compat/wordpress-6.4/kses.php';
109
110	// WordPress 6.5 compat.
111	require __DIR__ . '/compat/wordpress-6.5/compat.php';
112	require __DIR__ . '/compat/wordpress-6.5/blocks.php';
113	require __DIR__ . '/compat/wordpress-6.5/block-patterns.php';
114	require __DIR__ . '/compat/wordpress-6.5/kses.php';
115	require __DIR__ . '/compat/wordpress-6.5/interactivity-api/class-wp-interactivity-api.php';
116	require __DIR__ . '/compat/wordpress-6.5/interactivity-api/class-wp-interactivity-api-directives-processor.php';
117	require __DIR__ . '/compat/wordpress-6.5/interactivity-api/interactivity-api.php';
118	require __DIR__ . '/compat/wordpress-6.5/class-wp-script-modules.php';
119	require __DIR__ . '/compat/wordpress-6.5/scripts-modules.php';
120	require __DIR__ . '/compat/wordpress-6.5/navigation-block-variations.php';
121	if ( ! class_exists( 'WP_Block_Bindings_Source' ) ) {
122	require __DIR__ . '/compat/wordpress-6.5/block-bindings/class-wp-block-bindings-source.php';
123	}
124	if ( ! class_exists( 'WP_Block_Bindings_Registry' ) ) {
125	require __DIR__ . '/compat/wordpress-6.5/block-bindings/class-wp-block-bindings-registry.php';
126	}
127	require __DIR__ . '/compat/wordpress-6.5/block-bindings/block-bindings.php';
128	require __DIR__ . '/compat/wordpress-6.5/block-bindings/post-meta.php';
129	require __DIR__ . '/compat/wordpress-6.5/script-loader.php';
130
131	// WordPress 6.6 compat.
132	require __DIR__ . '/compat/wordpress-6.6/compat.php';
133	require __DIR__ . '/compat/wordpress-6.6/resolve-patterns.php';
134	require __DIR__ . '/compat/wordpress-6.6/block-bindings/pattern-overrides.php';
135	require __DIR__ . '/compat/wordpress-6.6/block-template-utils.php';
136	require __DIR__ . '/compat/wordpress-6.6/option.php';
137	require __DIR__ . '/compat/wordpress-6.6/post.php';
138
139	// Experimental features.
140	require __DIR__ . '/experimental/block-editor-settings-mobile.php';
141	require __DIR__ . '/experimental/blocks.php';
142	require __DIR__ . '/experimental/navigation-theme-opt-in.php';
143	require __DIR__ . '/experimental/kses.php';
144	require __DIR__ . '/experimental/l10n.php';
145	require __DIR__ . '/experimental/synchronization.php';
146	require __DIR__ . '/experimental/script-modules.php';
147
148	if ( gutenberg_is_experiment_enabled( 'gutenberg-no-tinymce' ) ) {
149	require __DIR__ . '/experimental/disable-tinymce.php';
150	}
151
152	// Fonts API / Font Face.
153	remove_action( 'plugins_loaded', '_wp_theme_json_webfonts_handler' ); // Turns off WordPress 6.0's stopgap handler.
154
155	// Loads the Font Library.
156	require __DIR__ . '/compat/wordpress-6.5/fonts/class-wp-font-collection.php';
157	require __DIR__ . '/compat/wordpress-6.5/fonts/class-wp-font-library.php';
158	require __DIR__ . '/compat/wordpress-6.5/fonts/class-wp-font-utils.php';
159	require __DIR__ . '/compat/wordpress-6.5/fonts/class-wp-rest-font-families-controller.php';
160	require __DIR__ . '/compat/wordpress-6.5/fonts/class-wp-rest-font-faces-controller.php';
161	require __DIR__ . '/compat/wordpress-6.5/fonts/class-wp-rest-font-collections-controller.php';
162	require __DIR__ . '/compat/wordpress-6.5/fonts/fonts.php';
163
164	// Load the Font Face and Font Face Resolver, if not already loaded by WordPress Core.
165	if ( ! class_exists( 'WP_Font_Face' ) ) {
166	require __DIR__ . '/compat/wordpress-6.4/fonts/font-face/class-wp-font-face.php';
167	require __DIR__ . '/compat/wordpress-6.4/fonts/font-face/class-wp-font-face-resolver.php';
168	}
169
170	/*
171	* As _gutenberg_get_iframed_editor_assets_6_4() overrides Core's _wp_get_iframed_editor_assets(),
172	* load this file to ensure wp_print_font_faces() is invoked to load the styles into the
173	* iframed editor.
174	*/
175	require __DIR__ . '/compat/wordpress-6.4/fonts/fonts.php';
176
177	// Load the BC Layer to avoid fatal errors of extenders using the Fonts API.
178	// @core-merge: do not merge the BC layer files into WordPress Core.
179	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts-provider.php';
180	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts-utils.php';
181	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts.php';
182	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts-provider-local.php';
183	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts-resolver.php';
184	require __DIR__ . '/experimental/font-face/bc-layer/class-gutenberg-fonts-api-bc-layer.php';
185	require __DIR__ . '/experimental/font-face/bc-layer/webfonts-deprecations.php';
186	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-webfonts-utils.php';
187	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-webfonts-provider.php';
188	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-webfonts-provider-local.php';
189	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-webfonts.php';
190	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-web-fonts.php';
191
192	// Plugin specific code.
193	require __DIR__ . '/script-loader.php';
194	require __DIR__ . '/global-styles-and-settings.php';
195	require __DIR__ . '/class-wp-theme-json-data-gutenberg.php';
196	require __DIR__ . '/class-wp-theme-json-gutenberg.php';
197	require __DIR__ . '/class-wp-theme-json-resolver-gutenberg.php';
198	require __DIR__ . '/class-wp-theme-json-schema-gutenberg.php';
199	require __DIR__ . '/class-wp-duotone-gutenberg.php';
200	require __DIR__ . '/blocks.php';
201	require __DIR__ . '/block-editor-settings.php';
202	require __DIR__ . '/client-assets.php';
203	require __DIR__ . '/demo.php';
204	require __DIR__ . '/experiments-page.php';
205	require __DIR__ . '/interactivity-api.php';
206	if ( gutenberg_is_experiment_enabled( 'gutenberg-full-page-client-side-navigation' ) ) {
207	require __DIR__ . '/experimental/full-page-client-side-navigation.php';
208	}
209
210	// Copied package PHP files.
211	if ( is_dir( __DIR__ . '/../build/style-engine' ) ) {
212	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-css-declarations-gutenberg.php';
213	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-css-rule-gutenberg.php';
214	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-css-rules-store-gutenberg.php';
215	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-processor-gutenberg.php';
216	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-gutenberg.php';
217	require_once __DIR__ . '/../build/style-engine/style-engine-gutenberg.php';
218	}
219
220	// Block supports overrides.
221	require __DIR__ . '/block-supports/settings.php';
222	require __DIR__ . '/block-supports/elements.php';
223	require __DIR__ . '/block-supports/colors.php';
224	require __DIR__ . '/block-supports/typography.php';
225	require __DIR__ . '/block-supports/border.php';
226	require __DIR__ . '/block-supports/layout.php';
227	require __DIR__ . '/block-supports/position.php';
228	require __DIR__ . '/block-supports/spacing.php';
229	require __DIR__ . '/block-supports/dimensions.php';
230	require __DIR__ . '/block-supports/duotone.php';
231	require __DIR__ . '/block-supports/shadow.php';
232	require __DIR__ . '/block-supports/background.php';
233
234	// Data views.
235	require_once __DIR__ . '/experimental/data-views.php';
236