function setJsCompressor($compressor)
{
if (!isset($this->compressors[$compressor])) {
throw new \InvalidArgumentException(sprintf('Undefined compressor "%s"', $compressor));
}
$js = $this->contentType('.js');
if ($this->jsCompressor !== null) {
$this->bundleProcessors->unregister($js, $this->compressors[$this->jsCompressor]);
}
$this->jsCompressor = $compressor;
$this->bundleProcessors->register($js, $this->compressors[$compressor]);
}