/**
* Upload js file
*
* @param string $file - Key in the $_FILES array
* @return array
* @throws \Magento\Framework\Model\Exception
*/
public function uploadJsFile($file)
{
/** @var $fileUploader \Magento\Core\Model\File\Uploader */
$fileUploader = $this->_uploaderFactory->create(array('fileId' => $file));
$fileUploader->setAllowedExtensions(array('js'));
$fileUploader->setAllowRenameFiles(true);
$fileUploader->setAllowCreateFolders(true);
$isValidFileSize = $this->_validateFileSize($fileUploader->getFileSize(), $this->getJsUploadMaxSize());
if (!$isValidFileSize) {
throw new \Magento\Framework\Model\Exception(__('The JS file must be less than %1M.', $this->getJsUploadMaxSizeInMb()));
}
$file = $fileUploader->validateFile();
return array('filename' => $file['name'], 'content' => $this->getFileContent($file['tmp_name']));
}
