API preloading can call the_content and other filters, plugins * can unexpectedly modify the global $post or enqueue assets which are not * intended for the block editor. */ $backup_global_post = ! empty( $post ) ? clone $post : $post; $backup_wp_scripts = ! empty( $wp_scripts ) ? clone $wp_scripts : $wp_scripts; $backup_wp_styles = ! empty( $wp_styles ) ? clone $wp_styles : $wp_styles; foreach ( $preload_paths as &$path ) { if ( is_string( $path ) && ! str_starts_with( $path, '/' ) ) { $path = '/' . $path; continue; } if ( is_array( $path ) && is_string( $path[0] ) && ! str_starts_with( $path[0], '/' ) ) { $path[0] = '/' . $path[0]; } } unset( $path ); $preload_data = array_reduce( $preload_paths, 'rest_preload_api_request', array() ); // Restore the global $post, $wp_scripts, and $wp_styles as they were before API preloading. $post = $backup_global_post; $wp_scripts = $backup_wp_scripts; $wp_styles = $backup_wp_styles; wp_add_inline_script( 'wp-api-fetch', sprintf( 'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );', wp_json_encode( $preload_data ) ), 'after' ); } /** * Creates an array of theme styles to load into the block editor. * * @since 5.8.0 * * @global array $editor_styles * * @return array An array of theme styles for the block editor. */ function get_block_editor_theme_styles() { global $editor_styles; $styles = array(); if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) { foreach ( $editor_styles as $style ) { if ( preg_match( '~^(https?:)?//~', $style ) ) { $response = wp_remote_get( $style ); if ( ! is_wp_error( $response ) ) { $styles[] = array( 'css' => wp_remote_retrieve_body( $response ), '__unstableType' => 'theme', 'isGlobalStyles' => false, ); } } else { $file = get_theme_file_path( $style ); if ( is_file( $file ) ) { $styles[] = array( 'css' => file_get_contents( $file ), 'baseURL' => get_theme_file_uri( $style ), '__unstableType' => 'theme', 'isGlobalStyles' => false, ); } } } } return $styles; } /** * Returns the classic theme supports settings for block editor. * * @since 6.2.0 * @since 6.6.0 Add support for 'editor-spacing-sizes' theme support. * * @return array The classic theme supports settings. */ function get_classic_theme_supports_block_editor_settings() { $theme_settings = array( 'disableCustomColors' => get_theme_support( 'disable-custom-colors' ), 'disableCustomFontSizes' => get_theme_support( 'disable-custom-font-sizes' ), 'disableCustomGradients' => get_theme_support( 'disable-custom-gradients' ), 'disableLayoutStyles' => get_theme_support( 'disable-layout-styles' ), 'enableCustomLineHeight' => get_theme_support( 'custom-line-height' ), 'enableCustomSpacing' => get_theme_support( 'custom-spacing' ), 'enableCustomUnits' => get_theme_support( 'custom-units' ), ); // Theme settings. $color_palette = current( (array) get_theme_support( 'editor-color-palette' ) ); if ( false !== $color_palette ) { $theme_settings['colors'] = $color_palette; } $font_sizes = current( (array) get_theme_support( 'editor-font-sizes' ) ); if ( false !== $font_sizes ) { $theme_settings['fontSizes'] = $font_sizes; } $gradient_presets = current( (array) get_theme_support( 'editor-gradient-presets' ) ); if ( false !== $gradient_presets ) { $theme_settings['gradients'] = $gradient_presets; } $spacing_sizes = current( (array) get_theme_support( 'editor-spacing-sizes' ) ); if ( false !== $spacing_sizes ) { $theme_settings['spacingSizes'] = $spacing_sizes; } return $theme_settings; }