Fix the condition in AssetConverter
@ -39,7 +39,7 @@ class AssetConverter extends Component implements IAssetConverter
public function convert($asset, $basePath)
{
$pos = strrpos($asset, '.');
if ($pos === false) {
if ($pos !== false) {
$ext = substr($asset, $pos + 1);
if (isset($this->commands[$ext])) {
list ($ext, $command) = $this->commands[$ext];