Source of file UglifyJsFilter.php
Size: 3,615 Bytes - Last Modified: 2013-06-02T00:13:43+02:00
/home/theseer/Downloads/Symfony/vendor/kriswallsmith/assetic/src/Assetic/Filter/UglifyJsFilter.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146 | <?php /* * This file is part of the Assetic package, an OpenSky project. * * (c) 2010-2013 OpenSky Project Inc * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Assetic\Filter; use Assetic\Asset\AssetInterface; use Assetic\Exception\FilterException; /** * UglifyJs filter. * * @link https://github.com/mishoo/UglifyJS * @author André Roaldseth <andre@roaldseth.net> */ class UglifyJsFilter extends BaseNodeFilter { private $uglifyjsBin; private $nodeBin; private $noCopyright; private $beautify; private $unsafe; private $mangle; /** * @param string $uglifyjsBin Absolute path to the uglifyjs executable * @param string $nodeBin Absolute path to the folder containg node.js executable */ public function __construct($uglifyjsBin = '/usr/bin/uglifyjs', $nodeBin = null) { $this->uglifyjsBin = $uglifyjsBin; $this->nodeBin = $nodeBin; } /** * Removes the first block of comments as well * @param bool $noCopyright True to enable */ public function setNoCopyright($noCopyright) { $this->noCopyright = $noCopyright; } /** * Output indented code * @param bool $beautify True to enable */ public function setBeautify($beautify) { $this->beautify = $beautify; } /** * Enable additional optimizations that are known to be unsafe in some situations. * @param bool $unsafe True to enable */ public function setUnsafe($unsafe) { $this->unsafe = $unsafe; } /** * Safely mangle variable and function names for greater file compress. * @param bool $mangle True to enable */ public function setMangle($mangle) { $this->mangle = $mangle; } /** * @see Assetic\Filter\FilterInterface::filterLoad() */ public function filterLoad(AssetInterface $asset) { } /** * Run the asset through UglifyJs * * @see 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); } } |