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<?php
/**
* Piwik - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\AssetManager\UIAssetMerger;
use Piwik\AssetManager\UIAsset;
use Piwik\AssetManager\UIAssetCacheBuster;
use Piwik\AssetManager\UIAssetFetcher\JScriptUIAssetFetcher;
use Piwik\AssetManager\UIAssetMerger;
use Piwik\AssetManager\UIAssetMinifier;
use Piwik\Piwik;
class JScriptUIAssetMerger extends UIAssetMerger
{
/**
* @var UIAssetMinifier
*/
private $assetMinifier;
/**
* @param UIAsset $mergedAsset
* @param JScriptUIAssetFetcher $assetFetcher
* @param UIAssetCacheBuster $cacheBuster
*/
public function __construct($mergedAsset, $assetFetcher, $cacheBuster)
{
parent::__construct($mergedAsset, $assetFetcher, $cacheBuster);
$this->assetMinifier = UIAssetMinifier::getInstance();
}
protected function getMergedAssets()
{
return $this->getConcatenatedAssets();
}
protected function generateCacheBuster()
{
$cacheBuster = $this->cacheBuster->piwikVersionBasedCacheBuster($this->getPlugins());
return "/* Matomo Javascript - cb=" . $cacheBuster . "*/\n";
}
protected function getPreamble()
{
return $this->getCacheBusterValue();
}
protected function postEvent(&$mergedContent)
{
$plugins = $this->getPlugins();
if (!empty($plugins)) {
/**
* Triggered after all the JavaScript files Piwik uses are minified and merged into a
* single file, but before the merged JavaScript is written to disk.
*
* Plugins can use this event to modify merged JavaScript or do something else
* with it.
*
* @param string $mergedContent The minified and merged JavaScript.
*/
Piwik::postEvent('AssetManager.filterMergedJavaScripts', array(&$mergedContent), null, $plugins);
}
}
public function getFileSeparator()
{
return "\n";
}
protected function processFileContent($uiAsset)
{
$content = $uiAsset->getContent();
if (!$this->assetMinifier->isMinifiedJs($content)) {
$content = $this->assetMinifier->minifyJs($content);
}
return $content;
}
}
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