/**
* Adds an asset to the container.
*
* @param string $name
* @param string $file
* @param array $dependencies
* @return object
*/
public function add($name, $file = null, $dependencies = array())
{
if (is_null($file) and array_key_exists($name, static::$shared)) {
$file = static::$shared[$name];
}
$asset = new Asset($name, $file, $dependencies);
if ($asset->exists($this->directory) and !$asset->external()) {
$asset->updated = filemtime($asset->directory . DS . $asset->file);
}
$this->assets[$this->group()][$name] = $asset;
return $this;
}
