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<?php |
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namespace Makehappen\AutoMinifier; |
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use MatthiasMullie\Minify as Minifier; |
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/** |
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* Class Minify |
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* |
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* Automatically Minify and Concatenate your JS and CSS files and libraries into single files |
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* for improved application performance. |
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* |
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* @package Makehappen\AutoMinifier |
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*/ |
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class Minify |
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{ |
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/** |
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* @var Environment |
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*/ |
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protected $objEnvironment; |
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/** |
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* @var |
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*/ |
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protected $objConfig; |
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/** |
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* @var Files |
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*/ |
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protected $objFiles; |
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/** |
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* Cache bust file path |
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* |
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* @var string |
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*/ |
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protected $strCacheBustFile; |
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/** |
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* Public folder path |
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* |
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* @var string |
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*/ |
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protected $strPublicFolderPath; |
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/** |
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* File types supported |
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* |
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* @var array |
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*/ |
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protected $arrFileTypes; |
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/** |
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* Destination file extension |
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* |
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* @var string |
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*/ |
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protected $strDestinationExtension; |
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/** |
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* Destination folder |
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* |
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* @var |
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*/ |
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protected $strDestinationFolder; |
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/** |
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* Destination file |
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* |
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* @var |
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*/ |
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protected $strDestinationFile; |
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/** |
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* Set env to dev |
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* |
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* @var |
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*/ |
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protected $blnIsDev; |
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/** |
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* Create a new Minifier Instance |
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* |
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* Minify constructor. |
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*/ |
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public function __construct() |
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{ |
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// set class variables |
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$this->init(); |
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// set environment |
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$this->objEnvironment = new Environment(); |
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// set files class |
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$this->objFiles = new Files(); |
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} |
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/** |
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* Set Class Variables |
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* |
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* @return null |
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*/ |
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public function init() |
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{ |
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// set public folder location |
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$this->setPublicFolder(); |
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// set file types we want minified |
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$this->arrFileTypes = [ |
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'js' => ['js'], |
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'css' => ['css', 'sass', 'scss'] |
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]; |
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return null; |
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} |
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/** |
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* Build minified file |
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* |
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* @var $strFolder string |
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* @var $strFile string |
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* @return string |
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*/ |
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public function js($strFolder = '/js', $strFile = 'app.min.js') |
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{ |
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return $this->getMinifiedFile($strType = 'js', $strFolder, $strFile); |
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} |
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/** |
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* Build CSS minified file |
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* |
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* @var $strFolder string |
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* @var $strFile string |
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* @return bool|null|string |
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*/ |
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public function css($strFolder = '/css', $strFile = 'app.min.css') |
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{ |
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return $this->getMinifiedFile($strType = 'css', $strFolder, $strFile); |
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} |
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/** |
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* Generate minified file |
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* |
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* @param string $strType |
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* @param string $strFolder |
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* @param string $strFile |
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* @return string |
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*/ |
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public function getMinifiedFile($strType = 'css', $strFolder = '/css', $strFile = 'app.min.css') |
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{ |
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$this->setDestinationExtensionType($strType); |
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$this->setDestinationFolder($strFolder); |
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$this->setDestinationFile($strFile); |
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$this->setCacheBustFile(); |
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$this->loadConfig(); |
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return $strFolder . '/' . $strFile .'?' . $this->process(); |
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} |
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/** |
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* Process Built |
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* |
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* @return bool|null|string |
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*/ |
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public function process() |
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{ |
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// return last cache bust in non development environments |
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if (!$this->objEnvironment->isDevEnv()) { |
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return $this->objFiles->getCacheBust($this->strCacheBustFile); |
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} |
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// build application file |
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$strApplicationFileContents = $this->build(); |
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// save application file |
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file_put_contents($this->getAppFileName(), $strApplicationFileContents); |
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// save new cache bust |
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return $this->objFiles->saveCacheBust($strApplicationFileContents, $this->strCacheBustFile); |
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} |
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/** |
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* Build file |
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* |
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* @return string |
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*/ |
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public function build() |
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{ |
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// min file contents |
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$strMinifiedFileContents = ''; |
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// loop through all files |
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foreach ($this->getFiles() as $strFileName) { |
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// get minified content |
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$strFileContents = $this->getMinifiedContent($strFileName); |
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// don't include empty files |
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if (!$strFileContents) { |
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continue; |
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} |
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// add new minified file to concatenated version |
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$strMinifiedFileContents .= "\n/* $strFileName */\n" . $strFileContents; |
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} |
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// returned concatenated version of minifired files |
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return $strMinifiedFileContents; |
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} |
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/** |
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* @return array |
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*/ |
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public function getFiles() |
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{ |
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if (count($this->objConfig->files)) { |
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return $this->objConfig->files; |
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} |
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return $this->objFiles->getFiles($this->getFilesFolder()); |
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} |
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/** |
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* Get minified Content |
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* |
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* @param $strFileName |
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* @return bool|string |
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*/ |
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public function getMinifiedContent($strFileName) |
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{ |
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// make sure the file name it's valid |
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if (!$this->isValidFileName($strFileName)) { |
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return ''; |
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} |
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// build file path and name |
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$strFile = $this->getFilesFolder() . '/' . $strFileName; |
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// if it's minified already return content |
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if (preg_match('/\.min\./', $strFile)) { |
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return file_get_contents($strFile); |
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} |
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// return minified content |
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return $this->minifyContent($strFile); |
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} |
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/** |
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* Determine if it's a valid file name |
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* |
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* @param $strFileName |
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* @return bool |
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*/ |
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public function isValidFileName($strFileName) |
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{ |
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// get file extension |
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$arrFileName = explode('.', $strFileName); |
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$strFileExtension = array_pop($arrFileName); |
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// must be a listed file type |
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if (!in_array($strFileExtension, $this->arrFileTypes[$this->getDestinationExtension()])) { |
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return false; |
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} |
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// must not be the app file |
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if ($strFileName == $this->getDestinationFile()) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Minify content |
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* |
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* @param $strFile |
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* @return bool|string |
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*/ |
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public function minifyContent($strFile) |
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{ |
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// minify based on file type |
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switch ($this->getDestinationExtension()) { |
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case 'js': |
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return (new Minifier\JS($strFile))->minify(); |
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case 'css': |
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return (new Minifier\CSS($strFile))->minify(); |
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default: |
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return ''; |
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} |
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} |
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/** |
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* Load configuration |
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*/ |
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public function loadConfig() |
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{ |
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// set config |
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$this->objConfig = $this->objEnvironment->getConfig($this->getFilesFolder()); |
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// set environment |
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$this->objEnvironment->setEnvironment($this->getFilesFolder()); |
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} |
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/** |
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* Set env to Dev |
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* |
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* @param bool $bln |
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* @return $this |
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*/ |
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public function setDev($bln = true) |
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{ |
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$this->objEnvironment->setDev($bln); |
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$this->blnIsDev = $bln; |
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return $this; |
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} |
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/** |
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* Set Cache bust file |
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* |
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* @return $this |
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*/ |
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public function setCacheBustFile() |
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{ |
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$this->strCacheBustFile = $this->getFilesFolder() . '/' . Environment::SIGNATURE_FILE; |
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return $this; |
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} |
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/** |
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* Set public folder |
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* |
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* @param string $strFolder |
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* @return $this |
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*/ |
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public function setPublicFolder($strFolder = '/../../../../public') |
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{ |
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// set application public path relative to package location |
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$this->strPublicFolderPath = __DIR__ . $strFolder; |
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return $this; |
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} |
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/** |
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* Set test folder |
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* |
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* @return $this |
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*/ |
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public function setTest() |
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{ |
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// set application public path relative to package location |
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$this->setPublicFolder('/../build'); |
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// cache bust file |
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$this->setCacheBustFile(); |
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return $this; |
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} |
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/** |
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* Set destination folder |
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* |
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* @param $strFolder |
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* @return $this |
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*/ |
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public function setDestinationFolder($strFolder) |
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{ |
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$this->strDestinationFolder = $strFolder; |
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return $this; |
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} |
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/** |
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* Set destination file |
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* |
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* @param $strFile |
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* @return $this |
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*/ |
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public function setDestinationFile($strFile) |
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{ |
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$this->strDestinationFile = $strFile; |
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return $this; |
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} |
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/** |
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* Set destination file extension |
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* |
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* @param $strDestinationExtension |
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* @return $this |
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*/ |
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public function setDestinationExtensionType($strDestinationExtension) |
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{ |
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$this->strDestinationExtension = $strDestinationExtension; |
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return $this; |
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} |
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/** |
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* Get Public folder |
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* |
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* @return string |
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*/ |
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public function getPublicFolder() |
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{ |
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return $this->strPublicFolderPath; |
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} |
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/** |
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* Get destination folder |
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* |
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* @return mixed |
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*/ |
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public function getDestinationFolder() |
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{ |
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return $this->strDestinationFolder; |
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} |
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/** |
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* Set destination file |
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* |
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* @return mixed |
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*/ |
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public function getDestinationFile() |
418
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{ |
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return $this->strDestinationFile; |
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} |
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/** |
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* Get application file name |
424
|
|
|
* |
425
|
|
|
* @return string |
426
|
|
|
*/ |
427
|
|
|
public function getAppFileName() |
428
|
|
|
{ |
429
|
|
|
return $this->getFilesFolder() . '/' . $this->getDestinationFile(); |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
/** |
433
|
|
|
* Get destination file type extension |
434
|
|
|
* |
435
|
|
|
* @return mixed |
436
|
|
|
*/ |
437
|
|
|
public function getDestinationExtension() |
438
|
|
|
{ |
439
|
|
|
return $this->strDestinationExtension; |
440
|
|
|
} |
441
|
|
|
|
442
|
|
|
/** |
443
|
|
|
* Get files folder |
444
|
|
|
* |
445
|
|
|
* @return string |
446
|
|
|
*/ |
447
|
|
|
public function getFilesFolder() |
448
|
|
|
{ |
449
|
|
|
return $this->getPublicFolder() . '/' . $this->getDestinationFolder(); |
450
|
|
|
} |
451
|
|
|
} |
452
|
|
|
|