/**
* Create a tree of self-sustainable files and return the topmost LESS file, ready for passing to 3rd party library
*
* @param Chain $chain
* @return string Absolute path of generated LESS file
*/
public function generateFileTree(Chain $chain)
{
/**
* @bug This logic is duplicated at \Magento\Framework\View\Asset\PreProcessor\Pool
* If you need to extend or modify behavior of LESS preprocessing, you must account for both places
*/
/**
* wait if generation process has already started
*/
while ($this->isProcessLocked()) {
sleep(1);
}
$lockFilePath = $this->config->getLessMaterializationRelativePath() . '/' . self::LOCK_FILE;
$this->tmpDirectory->writeFile($lockFilePath, time());
$this->magentoImportProcessor->process($chain);
$this->importProcessor->process($chain);
$this->relatedGenerator->generate($this->importProcessor);
$lessRelativePath = preg_replace('#\\.css$#', '.less', $chain->getAsset()->getPath());
$tmpFilePath = $this->temporaryFile->createFile($lessRelativePath, $chain->getContent());
$this->tmpDirectory->delete($lockFilePath);
return $tmpFilePath;
}
/**
* Create file, referenced relatively to an asset
*
* @param string $relatedFileId
* @param LocalInterface $asset
* @return \Magento\Framework\View\Asset\File
*/
protected function generateRelatedFile($relatedFileId, LocalInterface $asset)
{
$relatedAsset = $this->assetRepo->createRelated($relatedFileId, $asset);
$this->temporaryFile->createFile($relatedAsset->getPath(), $relatedAsset->getContent());
return $relatedAsset;
}
