public function testSingletonProtection()
{
update_option('am_log', 0);
$cache = new AssetsMinify\Cache();
$log = Log::getInstance($cache);
$this->assertTrue($log->isActive());
}
/**
* Returns footer's inclusion for JS
*/
public function footer()
{
$this->js->generate('footer');
if ($this->cache->isUpdated()) {
Log::getInstance()->dumpStorage();
}
}
/**
* Constructor
*/
public function __construct()
{
// Cache manager
$this->cache = new Cache();
if (get_option('am_dev_mode', 0)) {
$this->cache->flush();
}
// Assets managers for Js and Css
$this->js = new Js($this);
$this->css = new Css($this);
// Log manager
$this->log = \AssetsMinify\Log::getInstance($this->cache);
$this->exclusions = preg_split('/[ ]*,[ ]*/', trim(get_option('am_files_to_exclude')));
//Detects all js and css added to WordPress and removes their inclusion
if (get_option('am_compress_styles', 1)) {
add_action('wp_print_styles', array($this->css, 'extract'));
}
if (get_option('am_compress_scripts', 1)) {
add_action('wp_print_scripts', array($this->js, 'extract'));
}
//Inclusion of scripts in <head> and before </body>
add_action('wp_head', array($this, 'header'));
add_action('wp_footer', array($this, 'footer'));
}
/**
* Takes all the stylesheets and manages their queue to compress them
*/
public function generate()
{
$profiler = array(time());
foreach ($this->assets as $media => $assets) {
foreach ($assets as $ext => $content) {
$mtime = md5(json_encode($content));
$cachefile = "{$media}-{$ext}-{$mtime}.css";
if (!$this->cache->fs->has($cachefile)) {
$class = "AssetsMinify\\Assets\\Css\\" . ucfirst($ext);
new $class($content['files'], $cachefile, $this);
}
$key = "{$media}-{$ext}-am-generated";
$this->files[$media][$key] = $this->cache->getPath() . $cachefile;
$this->mtimes[$media][$key] = filemtime($this->files[$media][$key]);
}
}
if (empty($this->files)) {
return false;
}
foreach ($this->files as $media => $files) {
$mtime = md5(json_encode($this->mtimes[$media]));
//Saves the asseticized stylesheets
$cachedFilename = "head-{$media}-{$mtime}.css";
if (!$this->cache->fs->has($cachedFilename)) {
$cssDump = $this->createAsset($files, $this->getFilters())->dump();
$cssDump = str_replace('url(/wp-', 'url(' . site_url() . '/wp-', $cssDump);
$cssDump = str_replace('url("/wp-', 'url("' . site_url() . '/wp-', $cssDump);
$cssDump = str_replace("url('/wp-", "url('" . site_url() . "/wp-", $cssDump);
$this->cache->fs->set($cachedFilename, $cssDump);
$this->cache->update();
}
//Prints css inclusion in the page
$this->dump($cachedFilename, $media);
}
$profiler[] = time();
Log::getInstance()->set('Css minification', $profiler);
}
/**
* Takes all the JavaScript and manages the queue to compress them
*
* @param string $where The page's place to dump the scripts in (header or footer)
*/
public function generate($where)
{
$profiler = array(time());
if (!isset($this->assets[$where])) {
return false;
}
foreach ($this->assets[$where] as $ext => $content) {
$mtime = md5(json_encode($content));
$cachefile = "{$where}-{$ext}-{$mtime}.js";
if (!$this->cache->fs->has($cachefile)) {
$class = "AssetsMinify\\Assets\\Js\\" . ucfirst($ext);
new $class($content['files'], $cachefile, $this);
}
$key = "{$ext}-am-generated";
$this->files[$where][$key] = $this->cache->getPath() . $cachefile;
$this->mtimes[$where][$key] = filemtime($this->files[$where][$key]);
}
if (empty($this->files[$where])) {
return false;
}
$mtime = md5(json_encode($this->mtimes[$where]));
//Saves the asseticized header scripts
if (!$this->cache->fs->has("{$where}-{$mtime}.js")) {
$this->cache->fs->set("{$where}-{$mtime}.js", $this->createAsset($this->files[$where], $this->getFilters())->dump());
$this->cache->update();
}
//Prints <script> inclusion in the page
$this->dumpScriptData($where);
$async = false;
if ($where != 'header' && get_option('am_async_flag', 1)) {
$async = true;
}
$this->dump("{$where}-{$mtime}.js", $async);
$profiler[] = time();
Log::getInstance()->set('Js minification', $profiler);
}