Webfonts: register and enqueue fonts by font-family

lib/compat/wordpress-6.0/class-wp-theme-json-resolver-6-0.php

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+<?php
+/**
+ * WP_Theme_JSON_Resolver_6_0 class
+ *
+ * @package gutenberg
+ */
+
+/**
+ * Class that abstracts the processing of the different data sources
+ * for site-level config and offers an API to work with them.
+ *
+ * This class is for internal core usage and is not supposed to be used by extenders (plugins and/or themes).
+ * This is a low-level API that may need to do breaking changes. Please,
+ * use get_global_settings, get_global_styles, and get_global_stylesheet instead.
+ *
+ * @access private
+ */
+class WP_Theme_JSON_Resolver_6_0 extends WP_Theme_JSON_Resolver_5_9 {
+	/**
+	 * Given a theme.json structure modifies it in place
+	 * to update certain values by its translated strings
+	 * according to the language set by the user.
+	 *
+	 * @param array  $theme_json The theme.json to translate.
+	 * @param string $domain     Optional. Text domain. Unique identifier for retrieving translated strings.
+	 *                           Default 'default'.
+	 * @return array Returns the modified $theme_json_structure.
+	 */
+	protected static function translate( $theme_json, $domain = 'default' ) {
+		if ( null === static::$i18n_schema ) {
+			$i18n_schema         = wp_json_file_decode( __DIR__ . '/theme-i18n.json' );
+			static::$i18n_schema = null === $i18n_schema ? array() : $i18n_schema;
+		}
+
+		return wp_translate_settings_using_i18n_schema( static::$i18n_schema, $theme_json, $domain );
+	}
+
+	/**
+	 * Returns the style variations defined by the theme.
+	 *
+	 * @return array
+	 */
+	public static function get_style_variations() {
+		$variations     = array();
+		$base_directory = get_stylesheet_directory() . '/styles';
+		if ( is_dir( $base_directory ) ) {
+			$nested_files      = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $base_directory ) );
+			$nested_html_files = iterator_to_array( new RegexIterator( $nested_files, '/^.+\.json$/i', RecursiveRegexIterator::GET_MATCH ) );
+			ksort( $nested_html_files );
+			foreach ( $nested_html_files as $path => $file ) {
+				$decoded_file = wp_json_file_decode( $path, array( 'associative' => true ) );
+				if ( is_array( $decoded_file ) ) {
+					$translated = static::translate( $decoded_file, wp_get_theme()->get( 'TextDomain' ) );
+					$variation  = ( new WP_Theme_JSON_Gutenberg( $translated ) )->get_raw_data();
+					if ( empty( $variation['title'] ) ) {
+						$variation['title'] = basename( $path, '.json' );
+					}
+					$variations[] = $variation;
+				}
+			}
+		}
+		return $variations;
+	}
+}