* Filters the i18n state data for use by Webpack bundles built with
* `@automattic/i18n-loader-webpack-plugin`.
*
* @since 1.14.0
* @package assets
* @param array $data The state data to generate. Expected fields are:
* - `baseUrl`: (string|false) The URL to the languages directory. False if no URL could be determined.
* - `locale`: (string) The locale for the page.
* - `domainMap`: (string[]) A mapping from Composer package textdomains to the corresponding
* `plugins/textdomain` or `themes/textdomain` (or core `textdomain`, but that's unlikely).
* - `domainPaths`: (string[]) A mapping from Composer package textdomains to the corresponding package
* paths.
*/
$data = apply_filters( 'jetpack_i18n_state', $data );
// Can't use self::register_script(), this action is called too early.
if ( file_exists( __DIR__ . '/../build/i18n-loader.asset.php' ) ) {
$path = '../build/i18n-loader.js';
$asset = require __DIR__ . '/../build/i18n-loader.asset.php';
} else {
$path = 'js/i18n-loader.js';
$asset = array(
'dependencies' => array( 'wp-i18n' ),
'version' => filemtime( __DIR__ . "/$path" ),
);
}
$url = self::normalize_path( plugins_url( $path, __FILE__ ) );
$url = add_query_arg( 'minify', 'true', $url );
$wp_scripts->add( 'wp-jp-i18n-loader', $url, $asset['dependencies'], $asset['version'] );
if ( ! is_array( $data ) ||
! isset( $data['baseUrl'] ) || ! ( is_string( $data['baseUrl'] ) || false === $data['baseUrl'] ) ||
! isset( $data['locale'] ) || ! is_string( $data['locale'] ) ||
! isset( $data['domainMap'] ) || ! is_array( $data['domainMap'] ) ||
! isset( $data['domainPaths'] ) || ! is_array( $data['domainPaths'] )
) {
$wp_scripts->add_inline_script( 'wp-jp-i18n-loader', 'console.warn( "I18n state deleted by jetpack_i18n_state hook" );' );
} elseif ( ! $data['baseUrl'] ) {
$wp_scripts->add_inline_script( 'wp-jp-i18n-loader', 'console.warn( "Failed to determine languages base URL. Is WP_LANG_DIR in the WordPress root?" );' );
} else {
$data['domainMap'] = (object) $data['domainMap']; // Ensure it becomes a json object.
$data['domainPaths'] = (object) $data['domainPaths']; // Ensure it becomes a json object.
$wp_scripts->add_inline_script( 'wp-jp-i18n-loader', 'wp.jpI18nLoader.state = ' . wp_json_encode( $data, JSON_UNESCAPED_SLASHES ) . ';' );
}
// Deprecated state module: Depend on wp-i18n to ensure global `wp` exists and because anything needing this will need that too.
$wp_scripts->add( 'wp-jp-i18n-state', false, array( 'wp-deprecated', 'wp-jp-i18n-loader' ) );
$wp_scripts->add_inline_script( 'wp-jp-i18n-state', 'wp.deprecated( "wp-jp-i18n-state", { alternative: "wp-jp-i18n-loader" } );' );
$wp_scripts->add_inline_script( 'wp-jp-i18n-state', 'wp.jpI18nState = wp.jpI18nLoader.state;' );
}
// endregion .
// ////////////////////
// region Textdomain aliasing
/**
* Register a textdomain alias.
*
* Composer packages included in plugins will likely not use the textdomain of the plugin, while
* WordPress's i18n infrastructure will include the translations in the plugin's domain. This
* allows for mapping the package's domain to the plugin's.
*
* Since multiple plugins may use the same package, we include the package's version here so
* as to choose the most recent translations (which are most likely to match the package
* selected by jetpack-autoloader).
*
* @since 1.15.0
* @param string $from Domain to alias.
* @param string $to Domain to alias it to.
* @param string $totype What is the target of the alias: 'plugins', 'themes', or 'core'.
* @param string $ver Version of the `$from` domain.
* @param string $path Path to prepend when lazy-loading from JavaScript.
* @throws InvalidArgumentException If arguments are invalid.
*/
public static function alias_textdomain( $from, $to, $totype, $ver, $path = '' ) {
if ( ! in_array( $totype, array( 'plugins', 'themes', 'core' ), true ) ) {
throw new InvalidArgumentException( 'Type must be "plugins", "themes", or "core"' );
}
if (
did_action( 'wp_default_scripts' ) &&
// Don't complain during plugin activation.
! defined( 'WP_SANDBOX_SCRAPING' )
) {
_doing_it_wrong(
__METHOD__,
sprintf(
/* translators: 1: wp_default_scripts. 2: Name of the domain being aliased. */
esc_html__( 'Textdomain aliases should be registered before the %1$s hook. This notice was triggered by the %2$s domain.', 'jetpack-assets' ),
'wp_default_scripts',
'' . esc_html( $from ) . ''
),
''
);
}
if ( empty( self::$domain_map[ $from ] ) ) {
self::init_domain_map_hooks( $from, array() === self::$domain_map );
self::$domain_map[ $from ] = array( $to, $totype, $ver, $path );
} elseif ( Semver::compare( $ver, self::$domain_map[ $from ][2] ) > 0 ) {
self::$domain_map[ $from ] = array( $to, $totype, $ver, $path );
}
}
/**
* Register textdomain aliases from a mapping file.
*
* The mapping file is simply a PHP file that returns an array
* with the following properties:
* - 'domain': String, `$to`
* - 'type': String, `$totype`
* - 'packages': Array, mapping `$from` to `array( 'path' => $path, 'ver' => $ver )` (or to the string `$ver` for back compat).
*
* @since 1.15.0
* @param string $file Mapping file.
*/
public static function alias_textdomains_from_file( $file ) {
$data = require $file;
foreach ( $data['packages'] as $from => $fromdata ) {
if ( ! is_array( $fromdata ) ) {
$fromdata = array(
'path' => '',
'ver' => $fromdata,
);
}
self::alias_textdomain( $from, $data['domain'], $data['type'], $fromdata['ver'], $fromdata['path'] );
}
}
/**
* Register the hooks for textdomain aliasing.
*
* @param string $domain Domain to alias.
* @param bool $firstcall If this is the first call.
*/
private static function init_domain_map_hooks( $domain, $firstcall ) {
// If WordPress's plugin API is available already, use it. If not,
// drop data into `$wp_filter` for `WP_Hook::build_preinitialized_hooks()`.
if ( function_exists( 'add_filter' ) ) {
$add_filter = 'add_filter';
} else {
$add_filter = function ( $hook_name, $callback, $priority = 10, $accepted_args = 1 ) {
global $wp_filter;
// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
$wp_filter[ $hook_name ][ $priority ][] = array(
'accepted_args' => $accepted_args,
'function' => $callback,
);
};
}
$add_filter( "gettext_{$domain}", array( self::class, 'filter_gettext' ), 10, 3 );
$add_filter( "ngettext_{$domain}", array( self::class, 'filter_ngettext' ), 10, 5 );
$add_filter( "gettext_with_context_{$domain}", array( self::class, 'filter_gettext_with_context' ), 10, 4 );
$add_filter( "ngettext_with_context_{$domain}", array( self::class, 'filter_ngettext_with_context' ), 10, 6 );
if ( $firstcall ) {
$add_filter( 'load_script_translation_file', array( self::class, 'filter_load_script_translation_file' ), 10, 3 );
}
}
/**
* Filter for `gettext`.
*
* @since 1.15.0
* @param string $translation Translated text.
* @param string $text Text to translate.
* @param string $domain Text domain.
* @return string Translated text.
*/
public static function filter_gettext( $translation, $text, $domain ) {
if ( $translation === $text ) {
// phpcs:ignore WordPress.WP.I18n -- This is a filter hook to map the text domains from our Composer packages to the domain for a containing plugin. See https://wp.me/p2gHKz-oRh#problem-6-text-domains-in-composer-packages
$newtext = __( $text, self::$domain_map[ $domain ][0] );
if ( $newtext !== $text ) {
return $newtext;
}
}
return $translation;
}
/**
* Filter for `ngettext`.
*
* @since 1.15.0
* @param string $translation Translated text.
* @param string $single The text to be used if the number is singular.
* @param string $plural The text to be used if the number is plural.
* @param string $number The number to compare against to use either the singular or plural form.
* @param string $domain Text domain.
* @return string Translated text.
*/
public static function filter_ngettext( $translation, $single, $plural, $number, $domain ) {
if ( $translation === $single || $translation === $plural ) {
// phpcs:ignore WordPress.WP.I18n -- This is a filter hook to map the text domains from our Composer packages to the domain for a containing plugin. See https://wp.me/p2gHKz-oRh#problem-6-text-domains-in-composer-packages
$translation = _n( $single, $plural, $number, self::$domain_map[ $domain ][0] );
}
return $translation;
}
/**
* Filter for `gettext_with_context`.
*
* @since 1.15.0
* @param string $translation Translated text.
* @param string $text Text to translate.
* @param string $context Context information for the translators.
* @param string $domain Text domain.
* @return string Translated text.
*/
public static function filter_gettext_with_context( $translation, $text, $context, $domain ) {
if ( $translation === $text ) {
// phpcs:ignore WordPress.WP.I18n -- This is a filter hook to map the text domains from our Composer packages to the domain for a containing plugin. See https://wp.me/p2gHKz-oRh#problem-6-text-domains-in-composer-packages
$translation = _x( $text, $context, self::$domain_map[ $domain ][0] );
}
return $translation;
}
/**
* Filter for `ngettext_with_context`.
*
* @since 1.15.0
* @param string $translation Translated text.
* @param string $single The text to be used if the number is singular.
* @param string $plural The text to be used if the number is plural.
* @param string $number The number to compare against to use either the singular or plural form.
* @param string $context Context information for the translators.
* @param string $domain Text domain.
* @return string Translated text.
*/
public static function filter_ngettext_with_context( $translation, $single, $plural, $number, $context, $domain ) {
if ( $translation === $single || $translation === $plural ) {
// phpcs:ignore WordPress.WP.I18n -- This is a filter hook to map the text domains from our Composer packages to the domain for a containing plugin. See https://wp.me/p2gHKz-oRh#problem-6-text-domains-in-composer-packages
$translation = _nx( $single, $plural, $number, $context, self::$domain_map[ $domain ][0] );
}
return $translation;
}
/**
* Filter for `load_script_translation_file`.
*
* @since 1.15.0
* @param string|false $file Path to the translation file to load. False if there isn't one.
* @param string $handle Name of the script to register a translation domain to.
* @param string $domain The text domain.
*/
public static function filter_load_script_translation_file( $file, $handle, $domain ) {
if ( false !== $file && isset( self::$domain_map[ $domain ] ) && ! is_readable( $file ) ) {
// Determine the part of the filename after the domain.
$suffix = basename( $file );
$l = strlen( $domain );
if ( substr( $suffix, 0, $l ) !== $domain || '-' !== $suffix[ $l ] ) {
return $file;
}
$suffix = substr( $suffix, $l );
$lang_dir = Jetpack_Constants::get_constant( 'WP_LANG_DIR' );
// Look for replacement files.
list( $newdomain, $type ) = self::$domain_map[ $domain ];
$newfile = $lang_dir . ( 'core' === $type ? '/' : "/{$type}/" ) . $newdomain . $suffix;
if ( is_readable( $newfile ) ) {
return $newfile;
}
}
return $file;
}
// endregion .
}
// Enable section folding in vim:
// vim: foldmarker=//\ region,//\ endregion foldmethod=marker
// .