Run the asset through UglifyJs
Overrides FilterInterface::filterDump
Assetic\Filter\FilterInterface::filterDump()
public function filterDump(AssetInterface $asset) {
$pb = $this
->createProcessBuilder($this->nodeBin ? array(
$this->nodeBin,
$this->uglifyjsBin,
) : array(
$this->uglifyjsBin,
));
if ($this->noCopyright) {
$pb
->add('--no-copyright');
}
if ($this->beautify) {
$pb
->add('--beautify');
}
if ($this->unsafe) {
$pb
->add('--unsafe');
}
if (false === $this->mangle) {
$pb
->add('--no-mangle');
}
// input and output files
$input = tempnam(sys_get_temp_dir(), 'input');
$output = tempnam(sys_get_temp_dir(), 'output');
file_put_contents($input, $asset
->getContent());
$pb
->add('-o')
->add($output)
->add($input);
$proc = $pb
->getProcess();
$code = $proc
->run();
unlink($input);
if (0 !== $code) {
if (file_exists($output)) {
unlink($output);
}
if (127 === $code) {
throw new \RuntimeException('Path to node executable could not be resolved.');
}
throw FilterException::fromProcess($proc)
->setInput($asset
->getContent());
}
if (!file_exists($output)) {
throw new \RuntimeException('Error creating output file.');
}
$uglifiedJs = file_get_contents($output);
unlink($output);
$asset
->setContent($uglifiedJs);
}