public function action_js()
{
$group = (string) $this->request->param('group');
if (empty($group)) {
$group = 'default';
}
if (!($content = Kohana::cache('minify::js::' . $group))) {
$path = isset($this->_config['js'][$group]['path']) ? $this->_config['js'][$group]['path'] : '';
$files = isset($this->_config['js'][$group]['files']) ? $this->_config['js'][$group]['files'] : array();
if (!is_array($files)) {
$files = array();
}
$content = '';
foreach ($files as $file) {
$content .= file_get_contents($path . DIRECTORY_SEPARATOR . $file) . "\n";
}
if (!empty($content)) {
$pack = isset($this->_config['js'][$group]['packer']) ? (bool) $this->_config['js'][$group]['packer'] : false;
$is_min = isset($this->_config['js'][$group]['is_min']) ? (bool) $this->_config['js'][$group]['is_min'] : false;
if ($pack) {
$packer = new Minify_Packer($content, 'Normal', TRUE, FALSE);
$content = $packer->pack();
} else {
if (!$is_min) {
$minifier = isset($this->_config['js'][$group]['minifier']) ? $this->_config['js'][$group]['minifier'] : '';
if (!empty($minifier) && class_exists($minifier)) {
$class = new ReflectionClass($minifier);
$js_min = $class->newInstance($content);
$content = $class->getMethod('min')->invoke($js_min);
} else {
$content = Minify_JS::minify($content);
}
}
}
}
if ((bool) $this->_config['cache']) {
Kohana::cache('minify::js::' . $group, $content, (int) $this->_config['cache_lifetime']);
}
}
$this->response->body($content);
}
/**
* Minify Javascript.
*
* @param string $js Javascript to be minified
*
* @return string
*/
public static function minify($js)
{
$jsmin = new Minify_JS($js);
return $jsmin->min();
}
