You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.8 KiB
61 lines
1.8 KiB
<?php |
|
/** |
|
* @link http://www.yiiframework.com/ |
|
* @copyright Copyright (c) 2008 Yii Software LLC |
|
* @license http://www.yiiframework.com/license/ |
|
*/ |
|
|
|
namespace yii\web; |
|
|
|
use Yii; |
|
use yii\base\Component; |
|
|
|
/** |
|
* AssetConverter supports conversion of several popular script formats into JS or CSS scripts. |
|
* |
|
* @author Qiang Xue <qiang.xue@gmail.com> |
|
* @since 2.0 |
|
*/ |
|
class AssetConverter extends Component implements IAssetConverter |
|
{ |
|
/** |
|
* @var array the commands that are used to perform the asset conversion. |
|
* The keys are the asset file extension names, and the values are the corresponding |
|
* target script types (either "css" or "js") and the commands used for the conversion. |
|
*/ |
|
public $commands = array( |
|
'less' => array('css', 'lessc {from} {to}'), |
|
'scss' => array('css', 'sass {from} {to}'), |
|
'sass' => array('css', 'sass {from} {to}'), |
|
'styl' => array('js', 'stylus < {from} > {to}'), |
|
); |
|
|
|
/** |
|
* Converts a given asset file into a CSS or JS file. |
|
* @param string $asset the asset file path, relative to $basePath |
|
* @param string $basePath the directory the $asset is relative to. |
|
* @return string the converted asset file path, relative to $basePath. |
|
*/ |
|
public function convert($asset, $basePath) |
|
{ |
|
$pos = strrpos($asset, '.'); |
|
if ($pos === false) { |
|
$ext = substr($asset, $pos + 1); |
|
if (isset($this->commands[$ext])) { |
|
list ($ext, $command) = $this->commands[$ext]; |
|
$result = substr($asset, 0, $pos + 1) . $ext; |
|
if (@filemtime("$basePath/$result") < filemtime("$basePath/$asset")) { |
|
$output = array(); |
|
$command = strtr($command, array( |
|
'{from}' => "$basePath/$asset", |
|
'{to}' => "$basePath/$result", |
|
)); |
|
exec($command, $output); |
|
Yii::info("Converted $asset into $result: " . implode("\n", $output), __METHOD__); |
|
} |
|
return $result; |
|
} |
|
} |
|
return $asset; |
|
} |
|
}
|
|
|