/**
* Adds a language JS locale file
*
* @param string $lang the ISO language code
* @param string $prefix the language locale file name prefix
* @param string $dir the language file directory relative to source path
* @param bool $min whether to auto use minified version
*
* @return AssetBundle instance
*/
public function addLanguage($lang = '', $prefix = '', $dir = null, $min = false)
{
if (empty($lang) || substr($lang, 0, 2) == 'en') {
return $this;
}
$ext = $min ? YII_DEBUG ? ".min.js" : ".js" : ".js";
$file = "{$prefix}{$lang}{$ext}";
if ($dir === null) {
$dir = 'js';
} elseif ($dir === "/") {
$dir = '';
}
$path = $this->sourcePath . '/' . $dir;
if (!Config::fileExists("{$path}/{$file}")) {
$lang = Config::getLang($lang);
$file = "{$prefix}{$lang}{$ext}";
}
if (Config::fileExists("{$path}/{$file}")) {
$this->js[] = empty($dir) ? $file : "{$dir}/{$file}";
}
return $this;
}
