mirror of
https://github.com/yiisoft/yii2.git
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216 lines
8.4 KiB
PHP
216 lines
8.4 KiB
PHP
<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\web;
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use Yii;
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use yii\base\BaseObject;
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use yii\helpers\ArrayHelper;
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use yii\helpers\Url;
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/**
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* AssetBundle represents a collection of asset files, such as CSS, JS, images.
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*
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* Each asset bundle has a unique name that globally identifies it among all asset bundles used in an application.
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* The name is the [fully qualified class name](http://php.net/manual/en/language.namespaces.rules.php)
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* of the class representing it.
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*
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* An asset bundle can depend on other asset bundles. When registering an asset bundle
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* with a view, all its dependent asset bundles will be automatically registered.
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*
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* For more details and usage information on AssetBundle, see the [guide article on assets](guide:structure-assets).
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class AssetBundle extends BaseObject
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{
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/**
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* @var string the directory that contains the source asset files for this asset bundle.
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* A source asset file is a file that is part of your source code repository of your Web application.
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*
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* You must set this property if the directory containing the source asset files is not Web accessible.
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* By setting this property, [[AssetManager]] will publish the source asset files
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* to a Web-accessible directory automatically when the asset bundle is registered on a page.
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*
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* If you do not set this property, it means the source asset files are located under [[basePath]].
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*
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* You can use either a directory or an alias of the directory.
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* @see $publishOptions
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*/
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public $sourcePath;
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/**
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* @var string the Web-accessible directory that contains the asset files in this bundle.
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*
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* If [[sourcePath]] is set, this property will be *overwritten* by [[AssetManager]]
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* when it publishes the asset files from [[sourcePath]].
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*
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* You can use either a directory or an alias of the directory.
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*/
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public $basePath;
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/**
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* @var string the base URL for the relative asset files listed in [[js]] and [[css]].
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*
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* If [[sourcePath]] is set, this property will be *overwritten* by [[AssetManager]]
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* when it publishes the asset files from [[sourcePath]].
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*
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* You can use either a URL or an alias of the URL.
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*/
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public $baseUrl;
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/**
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* @var array list of bundle class names that this bundle depends on.
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*
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* For example:
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*
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* ```php
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* public $depends = [
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* 'yii\web\YiiAsset',
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* 'yii\bootstrap\BootstrapAsset',
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* ];
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* ```
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*/
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public $depends = [];
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/**
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* @var array list of JavaScript files that this bundle contains. Each JavaScript file can be
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* specified in one of the following formats:
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*
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* - an absolute URL representing an external asset. For example,
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* `http://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js` or
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* `//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js`.
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* - a relative path representing a local asset (e.g. `js/main.js`). The actual file path of a local
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* asset can be determined by prefixing [[basePath]] to the relative path, and the actual URL
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* of the asset can be determined by prefixing [[baseUrl]] to the relative path.
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* - an array, with the first entry being the URL or relative path as described before, and a list of key => value pairs
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* that will be used to overwrite [[jsOptions]] settings for this entry.
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* This functionality is available since version 2.0.7.
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*
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* Note that only a forward slash "/" should be used as directory separator.
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*/
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public $js = [];
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/**
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* @var array list of CSS files that this bundle contains. Each CSS file can be specified
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* in one of the three formats as explained in [[js]].
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*
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* Note that only a forward slash "/" should be used as directory separator.
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*/
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public $css = [];
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/**
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* @var array the options that will be passed to [[View::registerJsFile()]]
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* when registering the JS files in this bundle.
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*/
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public $jsOptions = [];
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/**
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* @var array the options that will be passed to [[View::registerCssFile()]]
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* when registering the CSS files in this bundle.
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*/
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public $cssOptions = [];
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/**
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* @var array the options to be passed to [[AssetManager::publish()]] when the asset bundle
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* is being published. This property is used only when [[sourcePath]] is set.
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*/
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public $publishOptions = [];
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/**
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* Registers this asset bundle with a view.
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* @param View $view the view to be registered with
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* @return static the registered asset bundle instance
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*/
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public static function register($view)
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{
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return $view->registerAssetBundle(get_called_class());
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}
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/**
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* Initializes the bundle.
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* If you override this method, make sure you call the parent implementation in the last.
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*/
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public function init()
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{
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if ($this->sourcePath !== null) {
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$this->sourcePath = rtrim(Yii::getAlias($this->sourcePath), '/\\');
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}
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if ($this->basePath !== null) {
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$this->basePath = rtrim(Yii::getAlias($this->basePath), '/\\');
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}
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if ($this->baseUrl !== null) {
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$this->baseUrl = rtrim(Yii::getAlias($this->baseUrl), '/');
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}
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}
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/**
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* Registers the CSS and JS files with the given view.
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* @param \yii\web\View $view the view that the asset files are to be registered with.
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*/
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public function registerAssetFiles($view)
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{
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$manager = $view->getAssetManager();
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foreach ($this->js as $js) {
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if (is_array($js)) {
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$file = array_shift($js);
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$options = ArrayHelper::merge($this->jsOptions, $js);
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$view->registerJsFile($manager->getAssetUrl($this, $file), $options);
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} else {
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if ($js !== null) {
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$view->registerJsFile($manager->getAssetUrl($this, $js), $this->jsOptions);
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}
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}
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}
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foreach ($this->css as $css) {
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if (is_array($css)) {
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$file = array_shift($css);
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$options = ArrayHelper::merge($this->cssOptions, $css);
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$view->registerCssFile($manager->getAssetUrl($this, $file), $options);
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} else {
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if ($css !== null) {
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$view->registerCssFile($manager->getAssetUrl($this, $css), $this->cssOptions);
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}
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}
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}
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}
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/**
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* Publishes the asset bundle if its source code is not under Web-accessible directory.
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* It will also try to convert non-CSS or JS files (e.g. LESS, Sass) into the corresponding
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* CSS or JS files using [[AssetManager::converter|asset converter]].
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* @param AssetManager $am the asset manager to perform the asset publishing
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*/
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public function publish($am)
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{
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if ($this->sourcePath !== null && !isset($this->basePath, $this->baseUrl)) {
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list($this->basePath, $this->baseUrl) = $am->publish($this->sourcePath, $this->publishOptions);
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}
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if (isset($this->basePath, $this->baseUrl) && ($converter = $am->getConverter()) !== null) {
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foreach ($this->js as $i => $js) {
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if (is_array($js)) {
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$file = array_shift($js);
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if (Url::isRelative($file)) {
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$js = ArrayHelper::merge($this->jsOptions, $js);
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array_unshift($js, $converter->convert($file, $this->basePath));
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$this->js[$i] = $js;
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}
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} elseif (Url::isRelative($js)) {
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$this->js[$i] = $converter->convert($js, $this->basePath);
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}
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}
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foreach ($this->css as $i => $css) {
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if (is_array($css)) {
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$file = array_shift($css);
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if (Url::isRelative($file)) {
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$css = ArrayHelper::merge($this->cssOptions, $css);
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array_unshift($css, $converter->convert($file, $this->basePath));
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$this->css[$i] = $css;
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}
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} elseif (Url::isRelative($css)) {
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$this->css[$i] = $converter->convert($css, $this->basePath);
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}
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}
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}
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}
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}
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