private function pushResource($stackName, $resource)
{
BA::assertIsEnum($stackName, array('css', 'js'));
if (!isset($this->resources[$stackName][$resource])) {
$this->resources[$stackName][$resource] = true;
}
return $this;
}
/**
* @param string $type
* The type of the resource stack - either `css` or `js`
*/
public function __construct($type)
{
$type = strtolower($type);
BA::assertIsEnum(strtolower($type), array('js', 'css'));
$this->type = $type;
}
