mirror of
https://github.com/yiisoft/yii2.git
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629 lines
23 KiB
PHP
629 lines
23 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\console\controllers;
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use Yii;
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use yii\console\Exception;
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use yii\console\Controller;
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use yii\helpers\VarDumper;
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/**
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* Allows you to combine and compress your JavaScript and CSS files.
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*
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* Usage:
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* 1. Create a configuration file using the `template` action:
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*
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* yii asset/template /path/to/myapp/config.php
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*
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* 2. Edit the created config file, adjusting it for your web application needs.
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* 3. Run the 'compress' action, using created config:
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*
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* yii asset /path/to/myapp/config.php /path/to/myapp/config/assets_compressed.php
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*
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* 4. Adjust your web application config to use compressed assets.
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*
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* Note: in the console environment some path aliases like `@webroot` and `@web` may not exist,
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* so corresponding paths inside the configuration should be specified directly.
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*
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* Note: by default this command relies on an external tools to perform actual files compression,
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* check [[jsCompressor]] and [[cssCompressor]] for more details.
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*
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* @property \yii\web\AssetManager $assetManager Asset manager instance. Note that the type of this property
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* differs in getter and setter. See [[getAssetManager()]] and [[setAssetManager()]] for details.
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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 AssetController extends Controller
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{
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/**
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* @var string controller default action ID.
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*/
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public $defaultAction = 'compress';
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/**
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* @var array list of asset bundles to be compressed.
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*/
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public $bundles = [];
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/**
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* @var array list of asset bundles, which represents output compressed files.
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* You can specify the name of the output compressed file using 'css' and 'js' keys:
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* For example:
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*
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* ~~~
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* 'app\config\AllAsset' => [
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* 'js' => 'js/all-{hash}.js',
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* 'css' => 'css/all-{hash}.css',
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* 'depends' => [ ... ],
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* ]
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* ~~~
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*
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* File names can contain placeholder "{hash}", which will be filled by the hash of the resulting file.
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*/
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public $targets = [];
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/**
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* @var string|callable JavaScript file compressor.
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* If a string, it is treated as shell command template, which should contain
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* placeholders {from} - source file name - and {to} - output file name.
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* Otherwise, it is treated as PHP callback, which should perform the compression.
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*
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* Default value relies on usage of "Closure Compiler"
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* @see https://developers.google.com/closure/compiler/
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*/
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public $jsCompressor = 'java -jar compiler.jar --js {from} --js_output_file {to}';
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/**
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* @var string|callable CSS file compressor.
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* If a string, it is treated as shell command template, which should contain
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* placeholders {from} - source file name - and {to} - output file name.
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* Otherwise, it is treated as PHP callback, which should perform the compression.
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*
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* Default value relies on usage of "YUI Compressor"
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* @see https://github.com/yui/yuicompressor/
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*/
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public $cssCompressor = 'java -jar yuicompressor.jar --type css {from} -o {to}';
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/**
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* @var array|\yii\web\AssetManager [[\yii\web\AssetManager]] instance or its array configuration, which will be used
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* for assets processing.
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*/
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private $_assetManager = [];
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/**
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* Returns the asset manager instance.
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* @throws \yii\console\Exception on invalid configuration.
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* @return \yii\web\AssetManager asset manager instance.
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*/
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public function getAssetManager()
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{
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if (!is_object($this->_assetManager)) {
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$options = $this->_assetManager;
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if (!isset($options['class'])) {
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$options['class'] = 'yii\\web\\AssetManager';
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}
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if (!isset($options['basePath'])) {
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throw new Exception("Please specify 'basePath' for the 'assetManager' option.");
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}
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if (!isset($options['baseUrl'])) {
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throw new Exception("Please specify 'baseUrl' for the 'assetManager' option.");
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}
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$this->_assetManager = Yii::createObject($options);
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}
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return $this->_assetManager;
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}
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/**
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* Sets asset manager instance or configuration.
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* @param \yii\web\AssetManager|array $assetManager asset manager instance or its array configuration.
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* @throws \yii\console\Exception on invalid argument type.
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*/
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public function setAssetManager($assetManager)
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{
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if (is_scalar($assetManager)) {
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throw new Exception('"' . get_class($this) . '::assetManager" should be either object or array - "' . gettype($assetManager) . '" given.');
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}
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$this->_assetManager = $assetManager;
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}
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/**
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* Combines and compresses the asset files according to the given configuration.
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* During the process new asset bundle configuration file will be created.
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* You should replace your original asset bundle configuration with this file in order to use compressed files.
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* @param string $configFile configuration file name.
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* @param string $bundleFile output asset bundles configuration file name.
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*/
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public function actionCompress($configFile, $bundleFile)
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{
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$this->loadConfiguration($configFile);
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$bundles = $this->loadBundles($this->bundles);
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$targets = $this->loadTargets($this->targets, $bundles);
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foreach ($targets as $name => $target) {
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echo "Creating output bundle '{$name}':\n";
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if (!empty($target->js)) {
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$this->buildTarget($target, 'js', $bundles);
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}
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if (!empty($target->css)) {
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$this->buildTarget($target, 'css', $bundles);
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}
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echo "\n";
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}
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$targets = $this->adjustDependency($targets, $bundles);
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$this->saveTargets($targets, $bundleFile);
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}
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/**
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* Applies configuration from the given file to self instance.
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* @param string $configFile configuration file name.
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* @throws \yii\console\Exception on failure.
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*/
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protected function loadConfiguration($configFile)
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{
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echo "Loading configuration from '{$configFile}'...\n";
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foreach (require($configFile) as $name => $value) {
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if (property_exists($this, $name) || $this->canSetProperty($name)) {
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$this->$name = $value;
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} else {
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throw new Exception("Unknown configuration option: $name");
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}
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}
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$this->getAssetManager(); // check if asset manager configuration is correct
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}
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/**
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* Creates full list of source asset bundles.
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* @param string[] $bundles list of asset bundle names
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* @return \yii\web\AssetBundle[] list of source asset bundles.
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*/
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protected function loadBundles($bundles)
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{
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echo "Collecting source bundles information...\n";
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$am = $this->getAssetManager();
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$result = [];
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foreach ($bundles as $name) {
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$result[$name] = $am->getBundle($name);
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}
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foreach ($result as $bundle) {
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$this->loadDependency($bundle, $result);
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}
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return $result;
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}
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/**
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* Loads asset bundle dependencies recursively.
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* @param \yii\web\AssetBundle $bundle bundle instance
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* @param array $result already loaded bundles list.
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* @throws Exception on failure.
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*/
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protected function loadDependency($bundle, &$result)
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{
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$am = $this->getAssetManager();
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foreach ($bundle->depends as $name) {
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if (!isset($result[$name])) {
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$dependencyBundle = $am->getBundle($name);
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$result[$name] = false;
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$this->loadDependency($dependencyBundle, $result);
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$result[$name] = $dependencyBundle;
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} elseif ($result[$name] === false) {
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throw new Exception("A circular dependency is detected for bundle '$name'.");
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}
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}
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}
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/**
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* Creates full list of output asset bundles.
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* @param array $targets output asset bundles configuration.
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* @param \yii\web\AssetBundle[] $bundles list of source asset bundles.
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* @return \yii\web\AssetBundle[] list of output asset bundles.
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* @throws Exception on failure.
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*/
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protected function loadTargets($targets, $bundles)
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{
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// build the dependency order of bundles
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$registered = [];
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foreach ($bundles as $name => $bundle) {
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$this->registerBundle($bundles, $name, $registered);
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}
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$bundleOrders = array_combine(array_keys($registered), range(0, count($bundles) - 1));
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// fill up the target which has empty 'depends'.
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$referenced = [];
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foreach ($targets as $name => $target) {
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if (empty($target['depends'])) {
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if (!isset($all)) {
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$all = $name;
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} else {
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throw new Exception("Only one target can have empty 'depends' option. Found two now: $all, $name");
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}
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} else {
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foreach ($target['depends'] as $bundle) {
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if (!isset($referenced[$bundle])) {
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$referenced[$bundle] = $name;
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} else {
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throw new Exception("Target '{$referenced[$bundle]}' and '$name' cannot contain the bundle '$bundle' at the same time.");
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}
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}
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}
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}
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if (isset($all)) {
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$targets[$all]['depends'] = array_diff(array_keys($registered), array_keys($referenced));
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}
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// adjust the 'depends' order for each target according to the dependency order of bundles
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// create an AssetBundle object for each target
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foreach ($targets as $name => $target) {
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if (!isset($target['basePath'])) {
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throw new Exception("Please specify 'basePath' for the '$name' target.");
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}
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if (!isset($target['baseUrl'])) {
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throw new Exception("Please specify 'baseUrl' for the '$name' target.");
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}
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usort($target['depends'], function ($a, $b) use ($bundleOrders) {
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if ($bundleOrders[$a] == $bundleOrders[$b]) {
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return 0;
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} else {
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return $bundleOrders[$a] > $bundleOrders[$b] ? 1 : -1;
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}
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});
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$target['class'] = $name;
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$targets[$name] = Yii::createObject($target);
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}
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return $targets;
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}
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/**
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* Builds output asset bundle.
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* @param \yii\web\AssetBundle $target output asset bundle
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* @param string $type either 'js' or 'css'.
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* @param \yii\web\AssetBundle[] $bundles source asset bundles.
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* @throws Exception on failure.
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*/
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protected function buildTarget($target, $type, $bundles)
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{
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$tempFile = $target->basePath . '/' . strtr($target->$type, ['{hash}' => 'temp']);
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$inputFiles = [];
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foreach ($target->depends as $name) {
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if (isset($bundles[$name])) {
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foreach ($bundles[$name]->$type as $file) {
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$inputFiles[] = $bundles[$name]->basePath . '/' . $file;
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}
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} else {
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throw new Exception("Unknown bundle: '{$name}'");
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}
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}
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if ($type === 'js') {
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$this->compressJsFiles($inputFiles, $tempFile);
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} else {
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$this->compressCssFiles($inputFiles, $tempFile);
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}
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$targetFile = strtr($target->$type, ['{hash}' => md5_file($tempFile)]);
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$outputFile = $target->basePath . '/' . $targetFile;
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rename($tempFile, $outputFile);
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$target->$type = [$targetFile];
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}
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/**
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* Adjust dependencies between asset bundles in the way source bundles begin to depend on output ones.
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* @param \yii\web\AssetBundle[] $targets output asset bundles.
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* @param \yii\web\AssetBundle[] $bundles source asset bundles.
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* @return \yii\web\AssetBundle[] output asset bundles.
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*/
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protected function adjustDependency($targets, $bundles)
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{
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echo "Creating new bundle configuration...\n";
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$map = [];
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foreach ($targets as $name => $target) {
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foreach ($target->depends as $bundle) {
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$map[$bundle] = $name;
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}
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}
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foreach ($targets as $name => $target) {
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$depends = [];
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foreach ($target->depends as $bn) {
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foreach ($bundles[$bn]->depends as $bundle) {
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$depends[$map[$bundle]] = true;
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}
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}
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unset($depends[$name]);
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$target->depends = array_keys($depends);
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}
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// detect possible circular dependencies
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foreach ($targets as $name => $target) {
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$registered = [];
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$this->registerBundle($targets, $name, $registered);
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}
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foreach ($map as $bundle => $target) {
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$targets[$bundle] = Yii::createObject([
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'class' => 'yii\\web\\AssetBundle',
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'depends' => [$target],
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]);
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}
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return $targets;
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}
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/**
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* Registers asset bundles including their dependencies.
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* @param \yii\web\AssetBundle[] $bundles asset bundles list.
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* @param string $name bundle name.
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* @param array $registered stores already registered names.
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* @throws Exception if circular dependency is detected.
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*/
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protected function registerBundle($bundles, $name, &$registered)
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{
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if (!isset($registered[$name])) {
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$registered[$name] = false;
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$bundle = $bundles[$name];
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foreach ($bundle->depends as $depend) {
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$this->registerBundle($bundles, $depend, $registered);
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}
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unset($registered[$name]);
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$registered[$name] = true;
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} elseif ($registered[$name] === false) {
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throw new Exception("A circular dependency is detected for target '$name'.");
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}
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}
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/**
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* Saves new asset bundles configuration.
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* @param \yii\web\AssetBundle[] $targets list of asset bundles to be saved.
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* @param string $bundleFile output file name.
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* @throws \yii\console\Exception on failure.
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*/
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protected function saveTargets($targets, $bundleFile)
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{
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$array = [];
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foreach ($targets as $name => $target) {
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foreach (['basePath', 'baseUrl', 'js', 'css', 'depends'] as $prop) {
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if (!empty($target->$prop)) {
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$array[$name][$prop] = $target->$prop;
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} elseif (in_array($prop, ['js', 'css'])) {
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$array[$name][$prop] = [];
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}
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}
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}
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$array = VarDumper::export($array);
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$version = date('Y-m-d H:i:s', time());
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$bundleFileContent = <<<EOD
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<?php
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/**
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* This file is generated by the "yii {$this->id}" command.
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* DO NOT MODIFY THIS FILE DIRECTLY.
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* @version {$version}
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*/
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return {$array};
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EOD;
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if (!file_put_contents($bundleFile, $bundleFileContent)) {
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throw new Exception("Unable to write output bundle configuration at '{$bundleFile}'.");
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}
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echo "Output bundle configuration created at '{$bundleFile}'.\n";
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}
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/**
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* Compresses given JavaScript files and combines them into the single one.
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* @param array $inputFiles list of source file names.
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* @param string $outputFile output file name.
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* @throws \yii\console\Exception on failure
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*/
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protected function compressJsFiles($inputFiles, $outputFile)
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{
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if (empty($inputFiles)) {
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return;
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}
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echo " Compressing JavaScript files...\n";
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if (is_string($this->jsCompressor)) {
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$tmpFile = $outputFile . '.tmp';
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$this->combineJsFiles($inputFiles, $tmpFile);
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echo shell_exec(strtr($this->jsCompressor, [
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'{from}' => escapeshellarg($tmpFile),
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'{to}' => escapeshellarg($outputFile),
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]));
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@unlink($tmpFile);
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} else {
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call_user_func($this->jsCompressor, $this, $inputFiles, $outputFile);
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}
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if (!file_exists($outputFile)) {
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throw new Exception("Unable to compress JavaScript files into '{$outputFile}'.");
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}
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echo " JavaScript files compressed into '{$outputFile}'.\n";
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}
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/**
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* Compresses given CSS files and combines them into the single one.
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* @param array $inputFiles list of source file names.
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* @param string $outputFile output file name.
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* @throws \yii\console\Exception on failure
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*/
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protected function compressCssFiles($inputFiles, $outputFile)
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{
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if (empty($inputFiles)) {
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return;
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}
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echo " Compressing CSS files...\n";
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if (is_string($this->cssCompressor)) {
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$tmpFile = $outputFile . '.tmp';
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$this->combineCssFiles($inputFiles, $tmpFile);
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echo shell_exec(strtr($this->cssCompressor, [
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'{from}' => escapeshellarg($tmpFile),
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'{to}' => escapeshellarg($outputFile),
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]));
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@unlink($tmpFile);
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} else {
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call_user_func($this->cssCompressor, $this, $inputFiles, $outputFile);
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}
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if (!file_exists($outputFile)) {
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throw new Exception("Unable to compress CSS files into '{$outputFile}'.");
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}
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echo " CSS files compressed into '{$outputFile}'.\n";
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}
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/**
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* Combines JavaScript files into a single one.
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* @param array $inputFiles source file names.
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* @param string $outputFile output file name.
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* @throws \yii\console\Exception on failure.
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*/
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public function combineJsFiles($inputFiles, $outputFile)
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{
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$content = '';
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foreach ($inputFiles as $file) {
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$content .= "/*** BEGIN FILE: $file ***/\n"
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. file_get_contents($file)
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. "/*** END FILE: $file ***/\n";
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}
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if (!file_put_contents($outputFile, $content)) {
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throw new Exception("Unable to write output JavaScript file '{$outputFile}'.");
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}
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}
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|
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/**
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* Combines CSS files into a single one.
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* @param array $inputFiles source file names.
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* @param string $outputFile output file name.
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* @throws \yii\console\Exception on failure.
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*/
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public function combineCssFiles($inputFiles, $outputFile)
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{
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$content = '';
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foreach ($inputFiles as $file) {
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$content .= "/*** BEGIN FILE: $file ***/\n"
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. $this->adjustCssUrl(file_get_contents($file), dirname($file), dirname($outputFile))
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. "/*** END FILE: $file ***/\n";
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}
|
|
if (!file_put_contents($outputFile, $content)) {
|
|
throw new Exception("Unable to write output CSS file '{$outputFile}'.");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adjusts CSS content allowing URL references pointing to the original resources.
|
|
* @param string $cssContent source CSS content.
|
|
* @param string $inputFilePath input CSS file name.
|
|
* @param string $outputFilePath output CSS file name.
|
|
* @return string adjusted CSS content.
|
|
*/
|
|
protected function adjustCssUrl($cssContent, $inputFilePath, $outputFilePath)
|
|
{
|
|
$sharedPathParts = [];
|
|
$inputFilePathParts = explode('/', $inputFilePath);
|
|
$inputFilePathPartsCount = count($inputFilePathParts);
|
|
$outputFilePathParts = explode('/', $outputFilePath);
|
|
$outputFilePathPartsCount = count($outputFilePathParts);
|
|
for ($i =0; $i < $inputFilePathPartsCount && $i < $outputFilePathPartsCount; $i++) {
|
|
if ($inputFilePathParts[$i] == $outputFilePathParts[$i]) {
|
|
$sharedPathParts[] = $inputFilePathParts[$i];
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
$sharedPath = implode('/', $sharedPathParts);
|
|
|
|
$inputFileRelativePath = trim(str_replace($sharedPath, '', $inputFilePath), '/');
|
|
$outputFileRelativePath = trim(str_replace($sharedPath, '', $outputFilePath), '/');
|
|
$inputFileRelativePathParts = explode('/', $inputFileRelativePath);
|
|
$outputFileRelativePathParts = explode('/', $outputFileRelativePath);
|
|
|
|
$callback = function ($matches) use ($inputFileRelativePathParts, $outputFileRelativePathParts) {
|
|
$fullMatch = $matches[0];
|
|
$inputUrl = $matches[1];
|
|
|
|
if (preg_match('/^https?:\/\//is', $inputUrl) || preg_match('/^data:/is', $inputUrl)) {
|
|
return $fullMatch;
|
|
}
|
|
|
|
$outputUrlParts = array_fill(0, count($outputFileRelativePathParts), '..');
|
|
$outputUrlParts = array_merge($outputUrlParts, $inputFileRelativePathParts);
|
|
|
|
if (strpos($inputUrl, '/') !== false) {
|
|
$inputUrlParts = explode('/', $inputUrl);
|
|
foreach ($inputUrlParts as $key => $inputUrlPart) {
|
|
if ($inputUrlPart == '..') {
|
|
array_pop($outputUrlParts);
|
|
unset($inputUrlParts[$key]);
|
|
}
|
|
}
|
|
$outputUrlParts[] = implode('/', $inputUrlParts);
|
|
} else {
|
|
$outputUrlParts[] = $inputUrl;
|
|
}
|
|
$outputUrl = implode('/', $outputUrlParts);
|
|
|
|
return str_replace($inputUrl, $outputUrl, $fullMatch);
|
|
};
|
|
|
|
$cssContent = preg_replace_callback('/url\(["\']?([^)^"^\']*)["\']?\)/is', $callback, $cssContent);
|
|
|
|
return $cssContent;
|
|
}
|
|
|
|
/**
|
|
* Creates template of configuration file for [[actionCompress]].
|
|
* @param string $configFile output file name.
|
|
* @throws \yii\console\Exception on failure.
|
|
*/
|
|
public function actionTemplate($configFile)
|
|
{
|
|
$jsCompressor = VarDumper::export($this->jsCompressor);
|
|
$cssCompressor = VarDumper::export($this->cssCompressor);
|
|
|
|
$template = <<<EOD
|
|
<?php
|
|
/**
|
|
* Configuration file for the "yii asset" console command.
|
|
* Note that in the console environment, some path aliases like '@webroot' and '@web' may not exist.
|
|
* Please define these missing path aliases.
|
|
*/
|
|
return [
|
|
// Adjust command/callback for JavaScript files compressing:
|
|
'jsCompressor' => {$jsCompressor},
|
|
// Adjust command/callback for CSS files compressing:
|
|
'cssCompressor' => {$cssCompressor},
|
|
// The list of asset bundles to compress:
|
|
'bundles' => [
|
|
// 'yii\web\YiiAsset',
|
|
// 'yii\web\JqueryAsset',
|
|
],
|
|
// Asset bundle for compression output:
|
|
'targets' => [
|
|
'app\assets\AllAsset' => [
|
|
'basePath' => 'path/to/web',
|
|
'baseUrl' => '',
|
|
'js' => 'js/all-{hash}.js',
|
|
'css' => 'css/all-{hash}.css',
|
|
],
|
|
],
|
|
// Asset manager configuration:
|
|
'assetManager' => [
|
|
'basePath' => __DIR__,
|
|
'baseUrl' => '',
|
|
],
|
|
];
|
|
EOD;
|
|
if (file_exists($configFile)) {
|
|
if (!$this->confirm("File '{$configFile}' already exists. Do you wish to overwrite it?")) {
|
|
return self::EXIT_CODE_NORMAL;
|
|
}
|
|
}
|
|
if (!file_put_contents($configFile, $template)) {
|
|
throw new Exception("Unable to write template file '{$configFile}'.");
|
|
} else {
|
|
echo "Configuration file template created at '{$configFile}'.\n\n";
|
|
}
|
|
}
|
|
}
|