Block Patterns: Add block pattern plugins

content/mu-plugins/locale-switcher/build/index.asset.php

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+<?php return array('dependencies' => array('react', 'wp-components', 'wp-element', 'wp-i18n', 'wp-url'), 'version' => '9e7e1066364df75c678b');

content/mu-plugins/locale-switcher/build/style-index-rtl.css

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+#wpadminbar #wp-admin-bar-locale-switcher>.ab-item{cursor:pointer}#wpadminbar #wp-admin-bar-locale-switcher>.ab-item:before{content:"";top:2px}

content/mu-plugins/locale-switcher/build/style-index.css

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+#wpadminbar #wp-admin-bar-locale-switcher>.ab-item{cursor:pointer}#wpadminbar #wp-admin-bar-locale-switcher>.ab-item:before{content:"";top:2px}

content/mu-plugins/locale-switcher/locale-switcher.php

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+<?php
+
+namespace WordPressdotorg\LocaleSwitcher;
+
+use function WordPressdotorg\Locales\{ get_locales_with_native_names };
+
+defined( 'WPINC' ) || die();
+
+/**
+ * Actions and filters.
+ */
+add_action( 'plugins_loaded', __NAMESPACE__ . '\maybe_load', 99 );
+
+/**
+ * Hook up the functionality only if the Locale Detection plugin is activated.
+ *
+ * @return void
+ */
+function maybe_load() {
+	if ( class_exists( '\WordPressdotorg\LocaleDetection\Detector' ) ) {
+		add_action( 'admin_bar_menu', __NAMESPACE__ . '\admin_bar_node' );
+		add_action( 'wp_enqueue_scripts', __NAMESPACE__ . '\enqueue_assets' );
+		add_action( 'wp_print_footer_scripts', __NAMESPACE__ . '\locale_switcher_container' );
+	}
+}
+
+/**
+ * Get the list of available locales in the locale switcher.
+ *
+ * @return array
+ */
+function get_locale_options() {
+	$locales = get_locales_with_native_names();
+	ksort( $locales );
+
+	$locale_options = array_reduce(
+		array_keys( $locales ),
+		function( $accumulator, $key ) use ( $locales ) {
+			$accumulator[] = array(
+				'label' => $locales[ $key ],
+				'value' => $key,
+			);
+
+			return $accumulator;
+		},
+		array()
+	);
+
+	/**
+	 * Filter: Modify the list of available locales in the locale switcher.
+	 *
+	 * @param array $locale_options Each locale is an associative array containing a `label` key and a `value` key.
+	 */
+	return apply_filters( 'wporg_locale_switcher_options', $locale_options );
+}
+
+/**
+ * Add a Locale node to the admin bar on the front end.
+ *
+ * @param \WP_Admin_Bar $wp_admin_bar
+ *
+ * @return void
+ */
+function admin_bar_node( $wp_admin_bar ) {
+	// This only needs to be shown on the front end.
+	if ( is_admin() ) {
+		return;
+	}
+
+	$all_locales    = get_locales_with_native_names();
+	$current_locale = get_locale();
+
+	$node = array(
+		'id'     => 'locale-switcher',
+		'parent' => 'top-secondary',
+		'title'  => sprintf(
+			__( '<span class="screen-reader-text">Current language:</span> %s', 'wporg' ),
+			$all_locales[ $current_locale ]
+		),
+		'href'   => '#',
+	);
+
+	$wp_admin_bar->add_node( $node );
+}
+
+/**
+ * Enqueue script and style assets.
+ *
+ * @return void
+ */
+function enqueue_assets() {
+	if ( ! is_admin_bar_showing() ) {
+		return;
+	}
+
+	$script_data = require __DIR__ . '/build/index.asset.php';
+
+	wp_enqueue_style(
+		'wporg-locale-switcher',
+		plugins_url( 'build/style-index.css', __FILE__ ),
+		array( 'wp-components' ),
+		$script_data['version'],
+		'screen'
+	);
+
+	wp_enqueue_script(
+		'wporg-locale-switcher',
+		plugins_url( 'build/index.js', __FILE__ ),
+		$script_data['dependencies'],
+		$script_data['version'],
+		array( 'strategy' => 'defer' )
+	);
+
+	$locale_options = get_locale_options();
+
+	$locale_config = array(
+		'initialValue' => get_locale(),
+		'options'      => $locale_options,
+	);
+
+	wp_add_inline_script(
+		'wporg-locale-switcher',
+		'var wporgLocaleSwitcherConfig = ' . wp_json_encode( $locale_config ) . ';',
+		'before'
+	);
+}
+
+/**
+ * Render a container for the locale switcher.
+ *
+ * @return void
+ */
+function locale_switcher_container() {
+	echo '<div id="wporg-locale-switcher-container"></div>';
+}

content/mu-plugins/locales.php

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+<?php
+/**
+ * Plugin Name: GlotPress/WordPress Locales
+ * Description: Defines <code>GP_Locale</code> and <code>GP_Locales</code> and extends them with custom locales used throughout wordpress.org.
+ * License: GPLv2 or later
+ */
+
+namespace {
+	require_once __DIR__ . '/locales/locales.php';
+	require_once __DIR__ . '/locale-switcher/locale-switcher.php';
+}
+
+namespace WordPressdotorg\Locales {
+
+	use GP_Locales, GP_Locale;
+
+	/**
+	 * Sets available languages to all possible locales.
+	 */
+	function set_available_languages() {
+		static $locales;
+
+		if ( ! isset( $locales ) ) {
+			$locales = GP_Locales::locales();
+			$locales = array_column( $locales, 'wp_locale' );
+			$locales = array_filter( $locales );
+		}
+
+		return $locales;
+	}
+	add_filter( 'get_available_languages', __NAMESPACE__ . '\set_available_languages', 10, 0 );
+
+	/**
+	 * Retrieves all available locales.
+	 *
+	 * @return GP_Locale[] Array of locale objects.
+	 */
+	function get_locales() {
+		wp_cache_add_global_groups( array( 'locale-associations' ) );
+
+		$wp_locales = wp_cache_get( 'locale-list', 'locale-associations' );
+		if ( false === $wp_locales ) {
+			$wp_locales = (array) $GLOBALS['wpdb']->get_col( 'SELECT locale FROM wporg_locales' );
+			wp_cache_set( 'locale-list', $wp_locales, 'locale-associations' );
+		}
+
+		$wp_locales[] = 'en_US';
+		$locales = array();
+
+		foreach ( $wp_locales as $locale ) {
+			$gp_locale = GP_Locales::by_field( 'wp_locale', $locale );
+			if ( ! $gp_locale ) {
+				continue;
+			}
+
+			$locales[ $locale ] = $gp_locale;
+		}
+
+		natsort( $locales );
+
+		return $locales;
+	}
+
+	/**
+	 * Get an array of locales with the locale code as key and the native name as value.
+	 *
+	 * @return array
+	 */
+	function get_locales_with_native_names() {
+		$locales = get_locales();
+
+		return wp_list_pluck( $locales, 'native_name', 'wp_locale' );
+	}
+
+	/**
+	 * Get an array of locales with the locale code as key and the English name as value.
+	 *
+	 * @return array
+	 */
+	function get_locales_with_english_names() {
+		$locales = get_locales();
+
+		return wp_list_pluck( $locales, 'english_name', 'wp_locale' );
+	}
+
+	/**
+	 * Get the name of a locale from the code.
+	 *
+	 * @param string $code      The locale code to look up. E.g. en_US.
+	 * @param string $name_type Optional. 'native' or 'english'. Default 'native'.
+	 *
+	 * @return mixed|string
+	 */
+	function get_locale_name_from_code( $code, $name_type = 'native' ) {
+		$function = __NAMESPACE__ . "\get_locales_with_{$name_type}_names";
+		$locales  = $function();
+
+		return $locales[ $code ] ?? '';
+	}
+}