/**
* @param Asset[] $assets
*
* @return Asset[]
*/
public static function process($assets)
{
if ($directory = self::getOutputDirectory()) {
$relativeDirectory = self::getRelativeOutputDirectory();
$filename = '';
$sourceFiles = array();
for ($i = 0; $i < count($assets); ++$i) {
$asset = $assets[$i];
$filename .= $asset->getAssetHashKey();
$sourceFiles[] = $asset->getAssetURL();
}
$filename = sha1($filename);
$cacheFile = $directory . '/' . $filename . '.js';
if (!file_exists($cacheFile)) {
$js = '';
foreach ($assets as $asset) {
$contents = $asset->getAssetContents();
if (isset($contents)) {
if ($asset->assetSupportsMinification()) {
$contents = \JShrink\Minifier::minify($contents);
}
$js .= $contents . "\n\n";
}
}
@file_put_contents($cacheFile, $js);
}
$asset = new self();
$asset->setAssetURL($relativeDirectory . '/' . $filename . '.js');
$asset->setAssetPath($directory . '/' . $filename . '.js');
$asset->setCombinedAssetSourceFiles($sourceFiles);
return array($asset);
}
return $assets;
}