src/Util/AssetUtil.php
public function get($file)
    {
        if (false === strpos($file, '/')) {
            $file = $this->getFilePathFromExtension($file);
        }

        return rtrim($this->baseUrl, '/') . '/' . trim($file , '/');
    }
public function get($file)
    {
        if (false === strpos($file, '/')) {
            $file = $this->getFilePathFromExtension($file);
        }

        return rtrim($this->baseUrl, '/') . '/' . trim($file , '/');
    }
@param string $file

@return string