gutenberg / lib / load.php

load.php in Gutenberg 17.4.1, 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-global-styles-revisions-controller-6-4.php';
40	require_once __DIR__ . '/compat/wordpress-6.4/class-gutenberg-rest-block-patterns-controller.php';
41	require_once __DIR__ . '/compat/wordpress-6.4/rest-api.php';
42	require_once __DIR__ . '/compat/wordpress-6.4/theme-previews.php';
43
44	// WordPress 6.5 compat.
45	require_once __DIR__ . '/compat/wordpress-6.5/class-gutenberg-rest-global-styles-revisions-controller-6-5.php';
46	require_once __DIR__ . '/compat/wordpress-6.5/rest-api.php';
47
48	// Plugin specific code.
49	require_once __DIR__ . '/class-wp-rest-global-styles-controller-gutenberg.php';
50	require_once __DIR__ . '/rest-api.php';
51
52	// Experimental.
53	if ( ! class_exists( 'WP_Rest_Customizer_Nonces' ) ) {
54	require_once __DIR__ . '/experimental/class-wp-rest-customizer-nonces.php';
55	}
56	require_once __DIR__ . '/experimental/class-gutenberg-rest-template-revision-count.php';
57	require_once __DIR__ . '/experimental/rest-api.php';
58
59	require_once __DIR__ . '/experimental/kses-allowed-html.php';
60	}
61
62	// Experimental signaling server.
63	if ( ! class_exists( 'Gutenberg_HTTP_Singling_Server' ) ) {
64	require_once __DIR__ . '/experimental/sync/class-gutenberg-http-signaling-server.php';
65	}
66
67	require __DIR__ . '/experimental/editor-settings.php';
68
69	// Gutenberg plugin compat.
70	require __DIR__ . '/compat/plugin/edit-site-routes-backwards-compat.php';
71	require __DIR__ . '/compat/plugin/footnotes.php';
72
73	/*
74	* There are upstream updates to the Tag Processor that may not appear if Gutenberg is running
75	* a version of WordPress newer than 6.3 and older than the latest `trunk`. This file should
76	* always be loaded so that Gutenberg code can run the newest version of the Tag Processor.
77	*/
78	require __DIR__ . '/compat/wordpress-6.4/html-api/class-gutenberg-html-tag-processor-6-4.php';
79	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-attribute-token-6-5.php';
80	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-span-6-5.php';
81	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-text-replacement-6-5.php';
82	require __DIR__ . '/compat/wordpress-6.5/html-api/class-gutenberg-html-tag-processor-6-5.php';
83
84	/*
85	* The HTML Processor appeared after WordPress 6.3. If Gutenberg is running on a version of
86	* WordPress before it was introduced, these verbatim Core files will be missing.
87	*/
88	if ( ! class_exists( 'WP_HTML_Processor' ) ) {
89	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-active-formatting-elements.php';
90	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-open-elements.php';
91	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-processor-state.php';
92	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-token.php';
93	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-unsupported-exception.php';
94	require __DIR__ . '/compat/wordpress-6.4/html-api/class-wp-html-processor.php';
95	}
96
97	// WordPress 6.4 compat.
98	require __DIR__ . '/compat/wordpress-6.4/blocks.php';
99	require __DIR__ . '/compat/wordpress-6.4/block-hooks.php';
100	require __DIR__ . '/compat/wordpress-6.4/script-loader.php';
101	require __DIR__ . '/compat/wordpress-6.4/kses.php';
102
103	// WordPress 6.5 compat.
104	require __DIR__ . '/compat/wordpress-6.5/block-patterns.php';
105	require __DIR__ . '/compat/wordpress-6.5/class-wp-navigation-block-renderer.php';
106	require __DIR__ . '/compat/wordpress-6.5/kses.php';
107
108	// Experimental features.
109	require __DIR__ . '/experimental/block-editor-settings-mobile.php';
110	require __DIR__ . '/experimental/blocks.php';
111	require __DIR__ . '/experimental/navigation-theme-opt-in.php';
112	require __DIR__ . '/experimental/kses.php';
113	require __DIR__ . '/experimental/l10n.php';
114	require __DIR__ . '/experimental/synchronization.php';
115
116	if ( gutenberg_is_experiment_enabled( 'gutenberg-no-tinymce' ) ) {
117	require __DIR__ . '/experimental/disable-tinymce.php';
118	}
119
120	require __DIR__ . '/experimental/interactivity-api/class-wp-interactivity-store.php';
121	require __DIR__ . '/experimental/interactivity-api/store.php';
122	require __DIR__ . '/experimental/interactivity-api/modules.php';
123	require __DIR__ . '/experimental/interactivity-api/class-wp-directive-processor.php';
124	require __DIR__ . '/experimental/interactivity-api/class-wp-directive-context.php';
125	require __DIR__ . '/experimental/interactivity-api/directive-processing.php';
126	require __DIR__ . '/experimental/interactivity-api/directives/wp-bind.php';
127	require __DIR__ . '/experimental/interactivity-api/directives/wp-context.php';
128	require __DIR__ . '/experimental/interactivity-api/directives/wp-class.php';
129	require __DIR__ . '/experimental/interactivity-api/directives/wp-style.php';
130	require __DIR__ . '/experimental/interactivity-api/directives/wp-text.php';
131
132	require __DIR__ . '/experimental/modules/class-gutenberg-modules.php';
133
134	// Fonts API / Font Face.
135	remove_action( 'plugins_loaded', '_wp_theme_json_webfonts_handler' ); // Turns off WordPress 6.0's stopgap handler.
136
137	/*
138	* If the Font Library is available, load the Font Face files, else load the Fonts API.
139	* This strategy is temporary until the Font Library is merged. It's used here to allow
140	* the Font Face (redesigned Fonts API) to be merged before the Font Library while
141	* keeping Fonts API available for sites that are using it.
142	*/
143	if (
144	! defined( 'FONT_LIBRARY_DISABLED' ) \|\| ! FONT_LIBRARY_DISABLED
145	) {
146	// Loads the Font Library.
147	if ( ! class_exists( 'WP_Font_Library' ) ) {
148	require __DIR__ . '/experimental/fonts/font-library/class-wp-font-collection.php';
149	require __DIR__ . '/experimental/fonts/font-library/class-wp-font-library.php';
150	require __DIR__ . '/experimental/fonts/font-library/class-wp-font-family-utils.php';
151	require __DIR__ . '/experimental/fonts/font-library/class-wp-font-family.php';
152	require __DIR__ . '/experimental/fonts/font-library/class-wp-rest-font-families-controller.php';
153	require __DIR__ . '/experimental/fonts/font-library/class-wp-rest-font-collections-controller.php';
154	require __DIR__ . '/experimental/fonts/font-library/class-wp-rest-autosave-font-families-controller.php';
155	require __DIR__ . '/experimental/fonts/font-library/font-library.php';
156	}
157
158	// Load the Font Face.
159	if ( ! class_exists( 'WP_Font_Face' ) ) {
160	require __DIR__ . '/compat/wordpress-6.4/fonts/font-face/class-wp-font-face.php';
161	require __DIR__ . '/compat/wordpress-6.4/fonts/font-face/class-wp-font-face-resolver.php';
162	}
163
164	/*
165	* As _gutenberg_get_iframed_editor_assets_6_4() overrides Core's _wp_get_iframed_editor_assets(),
166	* load this file to ensure wp_print_font_faces() is invoked to load the styles into the
167	* iframed editor.
168	*/
169	require __DIR__ . '/compat/wordpress-6.4/fonts/fonts.php';
170
171	// Load the BC Layer to avoid fatal errors of extenders using the Fonts API.
172	// @core-merge: do not merge the BC layer files into WordPress Core.
173	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-fonts-provider.php';
174	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-fonts-utils.php';
175	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-fonts.php';
176	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-fonts-provider-local.php';
177	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-fonts-resolver.php';
178	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-gutenberg-fonts-api-bc-layer.php';
179	require __DIR__ . '/experimental/fonts/font-face/bc-layer/webfonts-deprecations.php';
180	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-webfonts-utils.php';
181	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-webfonts-provider.php';
182	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-webfonts-provider-local.php';
183	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-webfonts.php';
184	require __DIR__ . '/experimental/fonts/font-face/bc-layer/class-wp-web-fonts.php';
185	} elseif ( ! class_exists( 'WP_Fonts' ) ) {
186
187	// Disables the Font Library.
188	// @core-merge: this should not go to core.
189	add_action(
190	'enqueue_block_editor_assets',
191	function () {
192	wp_add_inline_script( 'wp-block-editor', 'window.__experimentalDisableFontLibrary = true', 'before' );
193	}
194	);
195
196	// Turns off Font Face hooks in Core.
197	// @since 6.4.0.
198	remove_action( 'wp_head', 'wp_print_font_faces', 50 );
199	remove_action( 'admin_print_styles', 'wp_print_font_faces', 50 );
200
201	// Fonts API files.
202	require __DIR__ . '/experimental/fonts-api/class-wp-fonts-provider.php';
203	require __DIR__ . '/experimental/fonts-api/class-wp-fonts-utils.php';
204	require __DIR__ . '/experimental/fonts-api/class-wp-fonts.php';
205	require __DIR__ . '/experimental/fonts-api/class-wp-fonts-provider-local.php';
206	require __DIR__ . '/experimental/fonts-api/class-wp-fonts-resolver.php';
207	require __DIR__ . '/experimental/fonts-api/fonts-api.php';
208
209	// BC Layer files, which will not be backported to WP Core.
210	require __DIR__ . '/experimental/fonts-api/bc-layer/class-gutenberg-fonts-api-bc-layer.php';
211	require __DIR__ . '/experimental/fonts-api/bc-layer/webfonts-deprecations.php';
212	require __DIR__ . '/experimental/fonts-api/bc-layer/class-wp-webfonts-utils.php';
213	require __DIR__ . '/experimental/fonts-api/bc-layer/class-wp-webfonts-provider.php';
214	require __DIR__ . '/experimental/fonts-api/bc-layer/class-wp-webfonts-provider-local.php';
215	require __DIR__ . '/experimental/fonts-api/bc-layer/class-wp-webfonts.php';
216	require __DIR__ . '/experimental/fonts-api/bc-layer/class-wp-web-fonts.php';
217	}
218
219	// Plugin specific code.
220	require __DIR__ . '/script-loader.php';
221	require __DIR__ . '/global-styles-and-settings.php';
222	require __DIR__ . '/class-wp-theme-json-data-gutenberg.php';
223	require __DIR__ . '/class-wp-theme-json-gutenberg.php';
224	require __DIR__ . '/class-wp-theme-json-schema-gutenberg.php';
225	require __DIR__ . '/class-wp-theme-json-resolver-gutenberg.php';
226	require __DIR__ . '/class-wp-duotone-gutenberg.php';
227	require __DIR__ . '/blocks.php';
228	require __DIR__ . '/block-editor-settings.php';
229	require __DIR__ . '/client-assets.php';
230	require __DIR__ . '/demo.php';
231	require __DIR__ . '/experiments-page.php';
232
233	// Copied package PHP files.
234	if ( is_dir( __DIR__ . '/../build/style-engine' ) ) {
235	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-css-declarations-gutenberg.php';
236	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-css-rule-gutenberg.php';
237	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-css-rules-store-gutenberg.php';
238	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-processor-gutenberg.php';
239	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-gutenberg.php';
240	require_once __DIR__ . '/../build/style-engine/style-engine-gutenberg.php';
241	}
242
243	// Block supports overrides.
244	require __DIR__ . '/block-supports/settings.php';
245	require __DIR__ . '/block-supports/elements.php';
246	require __DIR__ . '/block-supports/colors.php';
247	require __DIR__ . '/block-supports/typography.php';
248	require __DIR__ . '/block-supports/border.php';
249	require __DIR__ . '/block-supports/layout.php';
250	require __DIR__ . '/block-supports/position.php';
251	require __DIR__ . '/block-supports/spacing.php';
252	require __DIR__ . '/block-supports/dimensions.php';
253	require __DIR__ . '/block-supports/duotone.php';
254	require __DIR__ . '/block-supports/shadow.php';
255	require __DIR__ . '/block-supports/background.php';
256	require __DIR__ . '/block-supports/behaviors.php';
257	require __DIR__ . '/block-supports/pattern.php';
258
259	// Data views.
260	require_once __DIR__ . '/experimental/data-views.php';
261