public function js($position = 'header', $src = false)
{
if ($this->cache->canCache() && !$this->cache->getDeveloperMode() && $this->minify_js) {
/* generate file if not exits */
$combined_js_file = '_' . $this->getHash($this->scripts[$position], 'js', $this->cache->getLanguageId());
if (!file_exists($this->path . $combined_js_file)) {
/* parse all scripts, generate corresponding minified js file */
foreach ($this->scripts[$position] as $script) {
$file = $this->path . $this->getHash($script, 'js');
if (!file_exists($file)) {
$js_file = realpath(DIR_SYSTEM . '../' . $this->removeQueryString($script));
if (!file_exists($js_file)) {
continue;
}
$content = file_get_contents($js_file);
$content_min = JSMin::minify($content);
file_put_contents($file, $content_min, LOCK_EX);
}
}
/* combine all scripts into one file */
$fh = @fopen($this->path . $combined_js_file, 'w');
flock($fh, LOCK_EX);
foreach ($this->scripts[$position] as $script) {
$file = $this->path . $this->getHash($script, 'js');
if (!file_exists($file)) {
continue;
}
$content = file_get_contents($file);
fwrite($fh, ';' . $content);
}
/* append journal.js at the end */
if ($position === 'footer' && is_file($this->path . $this->cache->getJournalAssetsFileName('js'))) {
fwrite($fh, file_get_contents($this->path . $this->cache->getJournalAssetsFileName('js')));
}
flock($fh, LOCK_UN);
fclose($fh);
}
/* return link tag */
if ($src) {
return Journal2Utils::staticAsset($this->dir . $combined_js_file);
}
if ($position === 'footer') {
return $this->printScript($this->dir . $combined_js_file, ' defer');
}
return $this->printScript($this->dir . $combined_js_file);
}
$assets = '';
foreach ($this->scripts[$position] as $script) {
$assets .= $this->printScript($script);
}
return $assets;
}
