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<?php declare(strict_types=1); |
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//////////////////////////////////////////////////////////////////////////////// |
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// __________ __ ________ __________ |
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// \______ \ |__ ______ / _____/ ____ _____ ______\______ \ _______ ___ |
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// | ___/ | \\____ \/ \ ____/ __ \\__ \\_ __ \ | _// _ \ \/ / |
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// | | | Y \ |_> > \_\ \ ___/ / __ \| | \/ | ( <_> > < |
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// |____| |___| / __/ \______ /\___ >____ /__| |______ /\____/__/\_ \ |
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// \/|__| \/ \/ \/ \/ \/ |
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// ----------------------------------------------------------------------------- |
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// Designed and Developed by Brad Jones <brad @="bjc.id.au" /> |
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// ----------------------------------------------------------------------------- |
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//////////////////////////////////////////////////////////////////////////////// |
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namespace Gears\Asset\Compilers; |
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use SplFileInfo; |
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use RuntimeException; |
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use Gears\String\Str; |
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use Gears\Asset\Contracts\Compiler; |
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use Gears\Asset\Contracts\Minifier; |
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class Base implements Compiler |
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{ |
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/** |
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* We represent the source file that needs to be compiled. |
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* |
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* @var SplFileInfo |
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*/ |
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protected $file; |
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/** |
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* We represent the final destination asset file that will be created. |
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* |
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* @var SplFileInfo |
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*/ |
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protected $destination; |
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/** |
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* If the $file is indeed a file we will read it's contents into this |
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* property. Remember it's possible that we are given a folder... |
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* |
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* @var string |
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*/ |
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protected $source = ''; |
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/** |
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* This basically tells us if we are allowed to minify the compiled source. |
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* |
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* @var bool |
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*/ |
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protected $debug; |
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/** |
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* Only applies when building css assets. |
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* Used in conjuction with: ```vladkens/autoprefixer-php```. |
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* |
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* @var bool |
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*/ |
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protected $autoprefix; |
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public function __construct(SplFileInfo $file, SplFileInfo $destination, bool $debug, bool $autoprefix) |
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{ |
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$this->file = $file; |
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if (!$this->file->isDir()) |
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{ |
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$this->source = file_get_contents($this->file->getPathname()); |
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} |
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$this->destination = $destination; |
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$this->debug = $debug; |
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$this->autoprefix = $autoprefix; |
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} |
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/** |
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* @inheritDoc |
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* |
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* This implementation caters for both standard native Css and Js files |
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* that don't need any compiling as such. The less and sass compilers |
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* extend the css compiler. |
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*/ |
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public function compile(): string |
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{ |
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if ($this->doWeNeedToMinify($this->file)) |
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{ |
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$src = $this->getMinifier($this->file, $this->source)->minify(); |
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// Remove any source mappings, they cause 404 errors. |
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// One of the benefits of using this Robo Task is that it is super |
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// easy to switch between a minifed asset and a non minified asset. |
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$src = preg_replace('/^\/\/# sourceMappingURL.*$/m', '', $src); |
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// TODO: generate our own source maps... sounds like a challenge :) |
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} |
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else |
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{ |
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$src = $this->source; |
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} |
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return $src."\n\n"; |
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} |
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/** |
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* Creates the minfier object. |
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* |
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* @param SplFileInfo $file The original source file. |
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* @param string $source The source code to minify. |
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* @return Minifier A minifier for the given destination type. |
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*/ |
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protected function getMinifier(SplFileInfo $file, string $source): Minifier |
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{ |
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$minifier = '\Gears\Asset\Minifiers\\'; |
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$minifier .= ucfirst($this->destination->getExtension()); |
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if (!class_exists($minifier)) |
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{ |
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throw new RuntimeException |
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( |
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'Minification is not supported for type: '. |
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$this->destination->getExtension() |
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); |
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} |
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return new $minifier($file, $source); |
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} |
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/** |
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* Based on if we are in debug mode and if the file is already minfied or |
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* not, this tells us if we actually need to perform any minification. |
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* |
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* @param SplFileInfo $file The original source file. |
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* @return bool If true we will run the minifier. |
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*/ |
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protected function doWeNeedToMinify(SplFileInfo $file): bool |
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{ |
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return |
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( |
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!$this->debug && |
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!Str::s($file->getFilename())->contains('.min.') |
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); |
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} |
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} |
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phpgearbox /
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