/**
* Optimize js base on list js
*
* @param array $js_urls List of js file
*
* @return array List of optimized js file
*/
public static function optimizejs($js_urls)
{
$content = '';
$optimize_js = T3Parameter::_getParam('optimize_js', 1);
if (!$optimize_js) {
return $js_urls;
}
//# Fix when optimized_folder is un-writeable
$cachepath = T3Path::path(T3Parameter::_getParam('optimize_folder', 't3-assets'));
$cachepath .= DS . 'js';
if (!T3Common::checkWriteable($cachepath)) {
return $js_urls;
}
$output = array();
$optimize_exclude = trim(T3Parameter::_getParam('optimize_exclude', ''));
$optimize_exclude_regex = null;
if ($optimize_exclude) {
$optimize_exclude_regex = '#' . preg_replace('#[\\r\\n]+#', '|', preg_quote($optimize_exclude)) . '#';
}
$files = array();
//# Check lock file before start checking update
$lock_file = "optimize.js.lock";
$waiting = T3Head::optimizeCheckLock($cachepath, $lock_file);
$lock_file_file = null;
$needupdate = false;
$need_optimize = false;
$required_optimize_list = array();
$files_array = array();
jimport('joomla.filesystem.file');
foreach ($js_urls as $url) {
if (!$url[0] || !preg_match('#\\.js$#', $url[0]) || $optimize_exclude_regex && preg_match($optimize_exclude_regex, $url[1])) {
//ignore if not a local file or not a static js file
//output to file
if (count($files)) {
$files_array[] = array('files' => $files, 'needupdate' => $needupdate);
}
//put this ignore file into ouput
//$output[] = $url;
// Ignore file however must follow by order
$files_array[] = array('files' => $url, 'ignore' => true);
//reset the flag for file update
$needupdate = false;
$files = array();
} else {
//for static local file
if ($optimize_js > 1) {
// Check js file was minified
$ignore_compress = false;
foreach (self::$js_ignore_list as $js_ignore) {
if (strpos($url[1], $js_ignore)) {
$ignore_compress = true;
break;
}
}
if ($ignore_compress) {
$files[] = array($url[0], '');
} else {
// Need optimized
// Check if this file is changed from the last optimized
// This file is changed/modified after cached
$cfile = $cachepath . DS . 'js_' . md5($url[0]) . '.' . basename($url[0]);
if (!file_exists($cfile) || @filemtime($url[0]) > @filemtime($cfile)) {
$required_optimize_list[] = array('cfile' => $cfile, 'url0' => $url[0], 'url1' => $url[1]);
$needupdate = true;
$need_optimize = true;
}
$files[] = array($cfile, '');
}
} else {
//just keep original
$files[] = $url;
}
}
}
if ($need_optimize) {
//# Only create lock if and only if require optimize
if (!T3Head::optimizeCreateLock($cachepath, $lock_file)) {
return false;
}
foreach ($required_optimize_list as $required_optimize) {
$data = T3Head::compressjs(@JFile::read($required_optimize['url0']), $required_optimize['url1']) . ';';
@JFile::write($required_optimize['cfile'], $data);
}
}
if (!file_exists($cachepath)) {
@JFolder::create($cachepath);
}
//$file = fopen($cachepath . DS . session_id() . "txt", "a");
if (count($files)) {
$files_array[] = array('files' => $files, 'needupdate' => $needupdate);
}
foreach ($files_array as $group_files) {
// Check ignore file
if (!isset($group_files['ignore'])) {
$ourl = T3Head::store_file2($group_files['files'], 'js', $group_files['needupdate']);
// Check result
if (!$ourl) {
return $js_urls;
}
// Put result into output
$output[] = array('', $ourl);
} else {
//$ourl = $group_files['files'];
$output[] = $group_files['files'];
}
}
//# Release lock
T3Head::optimizeReleaseLock($cachepath, $lock_file);
return $output;
}
function optimizejs($js_urls)
{
$content = '';
$optimize_js = T3Parameter::get('optimize_js', 1);
if (!$optimize_js) {
return $js_urls;
}
$output = array();
$optimize_exclude = trim(T3Parameter::get('optimize_exclude', ''));
$optimize_exclude_regex = null;
if ($optimize_exclude) {
$optimize_exclude_regex = '#' . preg_replace('#[\\r\\n]+#', '|', preg_quote($optimize_exclude)) . '#';
}
$files = array();
$t3cache = T3Cache::getInstance();
$cachepath = T3Path::path(T3Parameter::get('optimize_folder', 't3-assets'));
$needupdate = false;
jimport('joomla.filesystem.file');
foreach ($js_urls as $url) {
if (!$url[0] || !preg_match('#\\.js$#', $url[0]) || $optimize_exclude_regex && preg_match($optimize_exclude_regex, $url[1])) {
//ignore if not a local file or not a static js file
//output to file
if (count($files)) {
$ourl = T3Head::store_file2($files, 'js', $needupdate);
if (!$ourl) {
return $js_urls;
}
//put result into output
$output[] = array('', $ourl);
}
//put this ignore file into ouput
$output[] = $url;
//reset the flag for file update
$needupdate = false;
$files = array();
} else {
//for static local file
if ($optimize_js > 1) {
//need optimized
//Check if this file is changed from the last optimized
$cfile = $cachepath . DS . md5($url[0]) . '.' . basename($url[0]);
if (!is_file($cfile) || @filemtime($url[0]) > @filemtime($cfile)) {
//this file is changed/modified after cached
//get file content
$data = T3Head::compressjs(@JFile::read($url[0]), $url[1]);
//write to cache file
@JFile::write($cfile, $data);
//make a flag for updating cache file
$needupdate = true;
}
$files[] = array($cfile, '');
} else {
//just keep original
$files[] = $url;
}
}
}
if (count($files)) {
//output to file
$ourl = T3Head::store_file2($files, 'js', $needupdate);
if (!$ourl) {
return $js_urls;
}
//put result into output
$output[] = array('', $ourl);
}
return $output;
}
