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<?php |
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/** |
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* This file is part of the Cecil/Cecil package. |
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* |
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* Copyright (c) Arnaud Ligny <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cecil\Assets; |
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use Cecil\Builder; |
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use Cecil\Config; |
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use Cecil\Exception\Exception; |
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use Cecil\Util; |
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use MatthiasMullie\Minify; |
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use ScssPhp\ScssPhp\Compiler; |
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use wapmorgan\Mp3Info\Mp3Info; |
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class Asset implements \ArrayAccess |
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{ |
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/** @var Builder */ |
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protected $builder; |
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/** @var Config */ |
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protected $config; |
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/** @var array */ |
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protected $data = []; |
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/** @var bool */ |
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protected $fingerprinted = false; |
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/** @var bool */ |
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protected $compiled = false; |
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/** @var bool */ |
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protected $minified = false; |
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/** |
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* Creates an Asset from file. |
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* |
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* $options[ |
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* 'fingerprint' => false, |
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* 'minify' => false, |
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* ]; |
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* |
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* @param Builder $builder |
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* @param string|array $path |
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* @param array|null $options |
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*/ |
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public function __construct(Builder $builder, $path, array $options = null) |
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{ |
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$this->builder = $builder; |
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$this->config = $builder->getConfig(); |
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$path = is_array($path) ? $path : [$path]; |
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// handles options |
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$fingerprint = (bool) $this->config->get('assets.fingerprint.enabled'); |
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$minify = (bool) $this->config->get('assets.minify.enabled'); |
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$filename = ''; |
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extract(is_array($options) ? $options : [], EXTR_IF_EXISTS); |
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// load file(s) |
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$prevType = ''; |
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$prevExt = ''; |
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foreach ($path as $p) { |
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$file = $this->loadFile($p); |
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// same type only |
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if (!empty($prevType) && $prevType != $file['type']) { |
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throw new Exception(\sprintf('Asset bundle works only for files with the same type.')); |
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} |
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// same extension only |
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if (!empty($prevExt) && $prevExt != $file['ext']) { |
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throw new Exception(\sprintf('Asset bundle works only for files with the same extension.')); |
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} |
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// set data |
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$this->data['file'] = $file['filepath']; |
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$this->data['path'] = $file['path']; |
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$this->data['ext'] = $file['ext']; |
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$this->data['type'] = $file['type']; |
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$this->data['subtype'] = $file['subtype']; |
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$this->data['size'] = $file['size']; |
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$this->data['source'] = $file['content']; |
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$this->data['content'] .= $file['content']; |
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$prevType = $file['type']; |
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$prevExt = $file['ext']; |
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} |
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// path to the bundled file |
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if (count($path) > 1) { |
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$this->data['path'] = $filename; |
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if (empty($filename)) { |
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switch ($this->data['ext']) { |
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case 'scss': |
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case 'css': |
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$this->data['path'] = 'styles.'.$file['ext']; |
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break; |
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case 'js': |
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$this->data['path'] = 'scripts.'.$file['ext']; |
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break; |
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default: |
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throw new Exception(\sprintf('Asset bundle supports "%s" files only.', 'scss, css and js')); |
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break; |
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} |
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} |
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} |
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// fingerprinting |
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if ($fingerprint) { |
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$this->fingerprint(); |
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} |
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// compiling |
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if ((bool) $this->config->get('assets.compile.enabled')) { |
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$this->compile(); |
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} |
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// minifying |
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if ($minify) { |
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$this->minify(); |
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} |
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} |
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/** |
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* Returns Asset path. |
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* |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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return $this->data['path']; |
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} |
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/** |
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* Fingerprints a file. |
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* |
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* @return self |
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*/ |
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public function fingerprint(): self |
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{ |
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if ($this->fingerprinted) { |
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return $this; |
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} |
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$fingerprint = hash('md5', $this->data['source']); |
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$this->data['path'] = preg_replace( |
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'/\.'.$this->data['ext'].'$/m', |
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".$fingerprint.".$this->data['ext'], |
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$this->data['path'] |
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); |
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$this->fingerprinted = true; |
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return $this; |
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} |
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/** |
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* Compiles a SCSS. |
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* |
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* @return self |
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*/ |
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public function compile(): self |
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{ |
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if ($this->compiled) { |
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return $this; |
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} |
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if ($this->data['ext'] != 'scss') { |
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return $this; |
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} |
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$cache = new Cache($this->builder, 'assets'); |
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$cacheKey = $cache->createKeyFromAsset($this); |
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if (!$cache->has($cacheKey)) { |
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$scssPhp = new Compiler(); |
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// import path |
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$scssPhp->addImportPath(Util::joinPath($this->config->getStaticPath())); |
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$scssDir = $this->config->get('assets.compile.import') ?? []; |
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$themes = $this->config->getTheme() ?? []; |
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foreach ($scssDir as $dir) { |
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$scssPhp->addImportPath(Util::joinPath($this->config->getStaticPath(), $dir)); |
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$scssPhp->addImportPath(Util::joinPath(dirname($this->data['file']), $dir)); |
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foreach ($themes as $theme) { |
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$scssPhp->addImportPath(Util::joinPath($this->config->getThemeDirPath($theme, "static/$dir"))); |
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} |
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} |
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// output style |
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$formatter = \sprintf( |
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'ScssPhp\ScssPhp\Formatter\%s', |
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ucfirst((string) $this->config->get('assets.compile.style')) |
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); |
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if (!class_exists($formatter)) { |
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throw new Exception(\sprintf('Scss formatter "%s" doesn\'t exists.', $formatter)); |
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} |
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$scssPhp->setFormatter($formatter); |
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// variables |
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$scssPhp->setVariables($this->config->get('assets.compile.variables') ?? []); |
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$this->data['path'] = preg_replace('/sass|scss/m', 'css', $this->data['path']); |
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$this->data['ext'] = 'css'; |
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$this->data['content'] = $scssPhp->compile($this->data['content']); |
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$this->compiled = true; |
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$cache->set($cacheKey, $this->data); |
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} |
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$this->data = $cache->get($cacheKey); |
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return $this; |
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} |
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/** |
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* Minifying a CSS or a JS. |
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* |
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* @return self |
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*/ |
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public function minify(): self |
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{ |
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if ($this->minified) { |
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return $this; |
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} |
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if ($this->data['ext'] == 'scss') { |
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$this->compile(); |
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} |
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if ($this->data['ext'] != 'css' && $this->data['ext'] != 'js') { |
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return $this; |
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} |
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if (substr($this->data['path'], -8) == '.min.css' || substr($this->data['path'], -7) == '.min.js') { |
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$this->minified; |
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return $this; |
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} |
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$cache = new Cache($this->builder, 'assets'); |
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$cacheKey = $cache->createKeyFromAsset($this); |
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if (!$cache->has($cacheKey)) { |
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switch ($this->data['ext']) { |
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case 'css': |
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$minifier = new Minify\CSS($this->data['content']); |
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break; |
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case 'js': |
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$minifier = new Minify\JS($this->data['content']); |
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break; |
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default: |
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throw new Exception(sprintf('Not able to minify "%s"', $this->data['path'])); |
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} |
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$this->data['path'] = preg_replace( |
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'/\.'.$this->data['ext'].'$/m', |
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'.min.'.$this->data['ext'], |
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$this->data['path'] |
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); |
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$this->data['content'] = $minifier->minify(); |
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$this->minified = true; |
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$cache->set($cacheKey, $this->data); |
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} |
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$this->data = $cache->get($cacheKey); |
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return $this; |
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} |
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/** |
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* Implements \ArrayAccess. |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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if (!is_null($offset)) { |
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$this->data[$offset] = $value; |
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} |
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} |
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/** |
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* Implements \ArrayAccess. |
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*/ |
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public function offsetExists($offset) |
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{ |
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return isset($this->data[$offset]); |
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} |
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/** |
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* Implements \ArrayAccess. |
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*/ |
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public function offsetUnset($offset) |
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{ |
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unset($this->data[$offset]); |
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} |
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/** |
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* Implements \ArrayAccess. |
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*/ |
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public function offsetGet($offset) |
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{ |
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return isset($this->data[$offset]) ? $this->data[$offset] : null; |
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} |
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/** |
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* Hashing content of an asset with the specified algo, sha384 by default. |
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* Used for SRI (Subresource Integrity). |
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* |
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* @see https://developer.mozilla.org/fr/docs/Web/Security/Subresource_Integrity |
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* |
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* @return string |
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*/ |
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public function getIntegrity(string $algo = 'sha384'): string |
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{ |
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return \sprintf('%s-%s', $algo, base64_encode(hash($algo, $this->data['content'], true))); |
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} |
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/** |
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* Returns the width of an image. |
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* |
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* @return false|int |
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*/ |
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public function getWidth() |
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{ |
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if (false === $size = $this->getImageSize()) { |
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return false; |
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} |
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return $size[0]; |
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} |
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/** |
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* Returns the height of an image. |
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* |
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* @return false|int |
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*/ |
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public function getHeight() |
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{ |
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if (false === $size = $this->getImageSize()) { |
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return false; |
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} |
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return $size[1]; |
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} |
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/** |
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* Returns MPF3 file infos. |
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* |
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* @see https://github.com/wapmorgan/Mp3Info |
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* |
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* @return Mp3Info |
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*/ |
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public function getAudio(): Mp3Info |
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{ |
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return new Mp3Info($this->data['file']); |
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} |
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/** |
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* Saves file. |
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* Note: a file from `static/` with the same name will be overridden. |
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* |
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* @throws Exception |
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* |
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* @return void |
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*/ |
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public function save(): void |
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{ |
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$file = Util::joinFile($this->config->getOutputPath(), $this->data['path']); |
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if (!$this->builder->getBuildOptions()['dry-run']) { |
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try { |
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Util::getFS()->dumpFile($file, $this->data['content']); |
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} catch (\Symfony\Component\Filesystem\Exception\IOException $e) { |
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throw new Exception(\sprintf('Can\'t save asset "%s"', $this->data['path'])); |
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} |
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} |
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} |
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|
365
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|
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/** |
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* Load file data. |
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* |
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* @param string $path |
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* |
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* @return array |
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*/ |
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private function loadFile(string $path): array |
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{ |
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$file = []; |
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$path = '/'.ltrim($path, '/'); |
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|
377
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if (false === $filePath = $this->findFile($path)) { |
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throw new Exception(sprintf('Asset file "%s" doesn\'t exist.', $path)); |
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} |
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|
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$pathinfo = pathinfo($path); |
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list($type, $subtype) = Util::getMimeType($filePath); |
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|
|
$content = file_get_contents($filePath); |
384
|
|
|
|
385
|
|
|
$file['filepath'] = $filePath; |
386
|
|
|
$file['path'] = $path; |
387
|
|
|
$file['ext'] = $pathinfo['extension']; |
388
|
|
|
$file['type'] = $type; |
389
|
|
|
$file['subtype'] = $subtype; |
390
|
|
|
$file['size'] = filesize($filePath); |
391
|
|
|
$file['content'] = $content; |
392
|
|
|
|
393
|
|
|
return $file; |
394
|
|
|
} |
395
|
|
|
|
396
|
|
|
/** |
397
|
|
|
* Try to find a static file (in site or theme(s)) if exists or returns false. |
398
|
|
|
* |
399
|
|
|
* @param string $path |
400
|
|
|
* |
401
|
|
|
* @return string|false |
402
|
|
|
*/ |
403
|
|
|
private function findFile(string $path) |
404
|
|
|
{ |
405
|
|
|
$filePath = Util::joinFile($this->config->getStaticPath(), $path); |
406
|
|
|
if (Util::getFS()->exists($filePath)) { |
407
|
|
|
return $filePath; |
408
|
|
|
} |
409
|
|
|
|
410
|
|
|
// checks in each theme |
411
|
|
|
foreach ($this->config->getTheme() as $theme) { |
412
|
|
|
$filePath = Util::joinFile($this->config->getThemeDirPath($theme, 'static'), $path); |
413
|
|
|
if (Util::getFS()->exists($filePath)) { |
414
|
|
|
return $filePath; |
415
|
|
|
} |
416
|
|
|
} |
417
|
|
|
|
418
|
|
|
return false; |
419
|
|
|
} |
420
|
|
|
|
421
|
|
|
/** |
422
|
|
|
* Returns image size informations. |
423
|
|
|
* |
424
|
|
|
* See https://www.php.net/manual/function.getimagesize.php |
425
|
|
|
* |
426
|
|
|
* @return false|array |
427
|
|
|
*/ |
428
|
|
|
private function getImageSize() |
429
|
|
|
{ |
430
|
|
|
if (!$this->data['type'] == 'image') { |
431
|
|
|
return false; |
432
|
|
|
} |
433
|
|
|
|
434
|
|
|
if (false === $size = getimagesizefromstring($this->data['content'])) { |
435
|
|
|
return false; |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
return $size; |
439
|
|
|
} |
440
|
|
|
} |
441
|
|
|
|