1<?php 2 3/* 4 * This file is part of the Assetic package, an OpenSky project. 5 * 6 * (c) 2010-2014 OpenSky Project Inc 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12namespace Assetic\Filter; 13 14use Assetic\Asset\AssetInterface; 15use Assetic\Exception\FilterException; 16use Assetic\Util\FilesystemUtils; 17 18/** 19 * UglifyJs2 filter. 20 * 21 * @link http://lisperator.net/uglifyjs 22 * @author Kris Wallsmith <kris.wallsmith@gmail.com> 23 */ 24class UglifyJs2Filter extends BaseNodeFilter 25{ 26 private $uglifyjsBin; 27 private $nodeBin; 28 private $compress; 29 private $beautify; 30 private $mangle; 31 private $screwIe8; 32 private $comments; 33 private $wrap; 34 private $defines; 35 36 public function __construct($uglifyjsBin = '/usr/bin/uglifyjs', $nodeBin = null) 37 { 38 $this->uglifyjsBin = $uglifyjsBin; 39 $this->nodeBin = $nodeBin; 40 } 41 42 public function setCompress($compress) 43 { 44 $this->compress = $compress; 45 } 46 47 public function setBeautify($beautify) 48 { 49 $this->beautify = $beautify; 50 } 51 52 public function setMangle($mangle) 53 { 54 $this->mangle = $mangle; 55 } 56 57 public function setScrewIe8($screwIe8) 58 { 59 $this->screwIe8 = $screwIe8; 60 } 61 62 public function setComments($comments) 63 { 64 $this->comments = $comments; 65 } 66 67 public function setWrap($wrap) 68 { 69 $this->wrap = $wrap; 70 } 71 72 public function setDefines(array $defines) 73 { 74 $this->defines = $defines; 75 } 76 77 public function filterLoad(AssetInterface $asset) 78 { 79 } 80 81 public function filterDump(AssetInterface $asset) 82 { 83 $pb = $this->createProcessBuilder( 84 $this->nodeBin 85 ? array($this->nodeBin, $this->uglifyjsBin) 86 : array($this->uglifyjsBin) 87 ); 88 89 if ($this->compress) { 90 $pb->add('--compress'); 91 92 if (is_string($this->compress) && !empty($this->compress)) { 93 $pb->add($this->compress); 94 } 95 } 96 97 if ($this->beautify) { 98 $pb->add('--beautify'); 99 } 100 101 if ($this->mangle) { 102 $pb->add('--mangle'); 103 } 104 105 if ($this->screwIe8) { 106 $pb->add('--screw-ie8'); 107 } 108 109 if ($this->comments) { 110 $pb->add('--comments')->add(true === $this->comments ? 'all' : $this->comments); 111 } 112 113 if ($this->wrap) { 114 $pb->add('--wrap')->add($this->wrap); 115 } 116 117 if ($this->defines) { 118 $pb->add('--define')->add(implode(',', $this->defines)); 119 } 120 121 // input and output files 122 $input = FilesystemUtils::createTemporaryFile('uglifyjs2_in'); 123 $output = FilesystemUtils::createTemporaryFile('uglifyjs2_out'); 124 125 file_put_contents($input, $asset->getContent()); 126 $pb->add('-o')->add($output)->add($input); 127 128 $proc = $pb->getProcess(); 129 $code = $proc->run(); 130 unlink($input); 131 132 if (0 !== $code) { 133 if (file_exists($output)) { 134 unlink($output); 135 } 136 137 if (127 === $code) { 138 throw new \RuntimeException('Path to node executable could not be resolved.'); 139 } 140 141 throw FilterException::fromProcess($proc)->setInput($asset->getContent()); 142 } 143 144 if (!file_exists($output)) { 145 throw new \RuntimeException('Error creating output file.'); 146 } 147 148 $asset->setContent(file_get_contents($output)); 149 150 unlink($output); 151 } 152} 153