gutenberg / lib / load.php

load.php in Gutenberg 22.4.1, 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	// Load auto-generated build registration.
18	$build_registration = plugin_dir_path( __DIR__ ) . 'build/build.php';
19	if ( file_exists( $build_registration ) ) {
20	require_once $build_registration;
21	}
22
23	// Define version constant for backwards compatibility.
24	// The constants.php file returns an array but doesn't define constants to avoid conflicts.
25	$constants_file = plugin_dir_path( __DIR__ ) . 'build/constants.php';
26	if ( file_exists( $constants_file ) && ! defined( 'GUTENBERG_VERSION' ) ) {
27	$build_constants = require_once $constants_file;
28	define( 'GUTENBERG_VERSION', $build_constants['version'] );
29	}
30
31	/**
32	* Checks whether the Gutenberg experiment is enabled.
33	*
34	* @since 6.7.0
35	*
36	* @param string $name The name of the experiment.
37	*
38	* @return bool True when the experiment is enabled.
39	*/
40	function gutenberg_is_experiment_enabled( $name ) {
41	// Special handling for active_templates - check if the active_templates option exists.
42	// This is not stored in the experiments array but as a separate option.
43	if ( 'active_templates' === $name ) {
44	return is_array( get_option( 'active_templates' ) );
45	}
46
47	$experiments = get_option( 'gutenberg-experiments' );
48	return ! empty( $experiments[ $name ] );
49	}
50
51	// These files only need to be loaded if within a rest server instance.
52	// which this class will exist if that is the case.
53	if ( class_exists( 'WP_REST_Controller' ) ) {
54	if ( ! class_exists( 'WP_REST_Block_Editor_Settings_Controller' ) ) {
55	require_once __DIR__ . '/experimental/class-wp-rest-block-editor-settings-controller.php';
56	}
57
58	// WordPress 6.9 compat.
59	require __DIR__ . '/compat/wordpress-6.9/class-gutenberg-rest-attachments-controller-6-9.php';
60	require __DIR__ . '/compat/wordpress-6.9/block-bindings.php';
61	require __DIR__ . '/compat/wordpress-6.9/post-data-block-bindings.php';
62	require __DIR__ . '/compat/wordpress-6.9/term-data-block-bindings.php';
63	require __DIR__ . '/compat/wordpress-6.9/rest-api.php';
64	require __DIR__ . '/compat/wordpress-6.9/class-gutenberg-hierarchical-sort.php';
65	require __DIR__ . '/compat/wordpress-6.9/block-comments.php';
66	require __DIR__ . '/compat/wordpress-6.9/class-gutenberg-rest-comment-controller-6-9.php';
67
68	// WordPress 7.0 compat.
69	require __DIR__ . '/compat/wordpress-7.0/class-gutenberg-rest-block-patterns-controller-7-0.php';
70	require __DIR__ . '/compat/wordpress-7.0/class-gutenberg-rest-templates-controller-7-0.php';
71	require __DIR__ . '/compat/wordpress-7.0/class-gutenberg-rest-static-templates-controller.php';
72	require __DIR__ . '/compat/wordpress-7.0/template-activate.php';
73	require __DIR__ . '/compat/wordpress-7.0/rest-api.php';
74	require __DIR__ . '/compat/wordpress-7.0/global-styles.php';
75
76	// Plugin specific code.
77	require_once __DIR__ . '/class-wp-rest-global-styles-controller-gutenberg.php';
78	require_once __DIR__ . '/class-wp-rest-edit-site-export-controller-gutenberg.php';
79	require_once __DIR__ . '/rest-api.php';
80
81	require_once __DIR__ . '/experimental/rest-api.php';
82	require_once __DIR__ . '/experimental/kses-allowed-html.php';
83	}
84
85	require_once __DIR__ . '/remove-core-enqueue-scripts.php';
86	require_once __DIR__ . '/experimental/editor-settings.php';
87	require_once __DIR__ . '/experimental/rest-api-overrides.php';
88
89	// Gutenberg plugin compat.
90	require __DIR__ . '/compat/plugin/edit-site-routes-backwards-compat.php';
91	require __DIR__ . '/compat/plugin/fonts.php';
92
93
94	// WordPress 6.9 compat.
95	require __DIR__ . '/compat/wordpress-6.9/customizer-preview-custom-css.php';
96	require __DIR__ . '/compat/wordpress-6.9/command-palette.php';
97	require __DIR__ . '/compat/wordpress-6.9/client-assets.php';
98
99	// WordPress 7.0 compat.
100	require __DIR__ . '/compat/wordpress-7.0/preload.php';
101	require __DIR__ . '/compat/wordpress-7.0/php-only-blocks.php';
102	require __DIR__ . '/compat/wordpress-7.0/blocks.php';
103	require __DIR__ . '/compat/wordpress-7.0/kses.php';
104
105	// Experimental features.
106	require __DIR__ . '/experimental/block-editor-settings-mobile.php';
107	require __DIR__ . '/experimental/blocks.php';
108	require __DIR__ . '/experimental/navigation-theme-opt-in.php';
109	require __DIR__ . '/experimental/kses.php';
110	require __DIR__ . '/experimental/synchronization.php';
111	require __DIR__ . '/experimental/script-modules.php';
112	require __DIR__ . '/experimental/pages/site-editor.php';
113	require __DIR__ . '/experimental/extensible-site-editor.php';
114	require __DIR__ . '/experimental/fonts/load.php';
115
116	if ( gutenberg_is_experiment_enabled( 'gutenberg-workflow-palette' ) ) {
117	require __DIR__ . '/experimental/workflow-palette.php';
118	}
119
120	if ( gutenberg_is_experiment_enabled( 'gutenberg-no-tinymce' ) ) {
121	require __DIR__ . '/experimental/disable-tinymce.php';
122	}
123
124	// Load the BC Layer to avoid fatal errors of extenders using the Fonts API.
125	// @core-merge: do not merge the BC layer files into WordPress Core.
126	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts-provider.php';
127	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts-utils.php';
128	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts.php';
129	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts-provider-local.php';
130	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-fonts-resolver.php';
131	require __DIR__ . '/experimental/font-face/bc-layer/class-gutenberg-fonts-api-bc-layer.php';
132	require __DIR__ . '/experimental/font-face/bc-layer/webfonts-deprecations.php';
133	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-webfonts-utils.php';
134	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-webfonts-provider.php';
135	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-webfonts-provider-local.php';
136	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-webfonts.php';
137	require __DIR__ . '/experimental/font-face/bc-layer/class-wp-web-fonts.php';
138
139	// Plugin specific code.
140	require __DIR__ . '/script-loader.php';
141	require __DIR__ . '/global-styles-and-settings.php';
142	require __DIR__ . '/class-wp-theme-json-data-gutenberg.php';
143	require __DIR__ . '/class-wp-theme-json-gutenberg.php';
144	require __DIR__ . '/class-wp-theme-json-resolver-gutenberg.php';
145	require __DIR__ . '/class-wp-theme-json-schema-gutenberg.php';
146	require __DIR__ . '/class-wp-duotone-gutenberg.php';
147	require __DIR__ . '/blocks.php';
148	require __DIR__ . '/block-editor-settings.php';
149	require __DIR__ . '/client-assets.php';
150	require __DIR__ . '/mathml-kses.php';
151	require __DIR__ . '/demo.php';
152	require __DIR__ . '/experiments-page.php';
153	require __DIR__ . '/interactivity-api.php';
154	require __DIR__ . '/block-template-utils.php';
155
156	// Copied package PHP files.
157	if ( is_dir( __DIR__ . '/../build/scripts/style-engine' ) ) {
158	require_once __DIR__ . '/../build/scripts/style-engine/class-wp-style-engine-css-declarations-gutenberg.php';
159	require_once __DIR__ . '/../build/scripts/style-engine/class-wp-style-engine-css-rule-gutenberg.php';
160	require_once __DIR__ . '/../build/scripts/style-engine/class-wp-style-engine-css-rules-store-gutenberg.php';
161	require_once __DIR__ . '/../build/scripts/style-engine/class-wp-style-engine-processor-gutenberg.php';
162	require_once __DIR__ . '/../build/scripts/style-engine/class-wp-style-engine-gutenberg.php';
163	require_once __DIR__ . '/../build/scripts/style-engine/style-engine-gutenberg.php';
164	}
165
166	// Block supports overrides.
167	require __DIR__ . '/block-supports/settings.php';
168	require __DIR__ . '/block-supports/elements.php';
169	require __DIR__ . '/block-supports/colors.php';
170	require __DIR__ . '/block-supports/typography.php';
171	require __DIR__ . '/block-supports/border.php';
172	require __DIR__ . '/block-supports/layout.php';
173	require __DIR__ . '/block-supports/position.php';
174	require __DIR__ . '/block-supports/spacing.php';
175	require __DIR__ . '/block-supports/dimensions.php';
176	require __DIR__ . '/block-supports/duotone.php';
177	require __DIR__ . '/block-supports/shadow.php';
178	require __DIR__ . '/block-supports/background.php';
179	require __DIR__ . '/block-supports/block-style-variations.php';
180	require __DIR__ . '/block-supports/aria-label.php';
181	require __DIR__ . '/block-supports/anchor.php';
182	require __DIR__ . '/block-supports/block-visibility.php';
183
184	// Client-side media processing.
185	if ( gutenberg_is_experiment_enabled( 'gutenberg-media-processing' ) ) {
186	require_once __DIR__ . '/experimental/media/load.php';
187	}
188
189	// Interactivity API full-page client-side navigation.
190	if ( gutenberg_is_experiment_enabled( 'gutenberg-full-page-client-side-navigation' ) ) {
191	require __DIR__ . '/experimental/interactivity-api/class-gutenberg-interactivity-api-full-page-navigation.php';
192	Gutenberg_Interactivity_API_Full_Page_Navigation::instance();
193	}
194
195	// Block patterns (only load when navigation overlays experiment is enabled).
196	if ( gutenberg_is_experiment_enabled( 'gutenberg-customizable-navigation-overlays' ) ) {
197	require __DIR__ . '/experimental/overlay-patterns.php';
198	}
199