/**
* Returns <script> tags for all javascripts configured in view.yml or added to the response object.
*
* You can use this helper to decide the location of javascripts in pages.
* By default, if you don't call this helper, symfony will automatically include javascripts before </head>.
* Calling this helper disables this behavior.
*
* @return string <script> tags
*/
function get_combined_javascripts()
{
if (!sfConfig::get('app_sfCombinePlugin_enabled', false)) {
return get_javascripts();
}
sfConfig::set('symfony.asset.javascripts_included', true);
$html = '';
$jsFiles = array();
$regularJsFiles = array();
$response = sfContext::getInstance()->getResponse();
$config = sfConfig::get('app_sfCombinePlugin_js', array());
$doNotCombine = isset($config['combine_skip']) ? $config['combine_skip'] : array();
foreach ($response->getJavascripts() as $files => $options) {
if (!is_array($files)) {
$files = array($files);
}
// check for js files that should not be combined
foreach ($files as $key => $value) {
if (skip_asset($value, $doNotCombine)) {
array_push($regularJsFiles, $value);
unset($files[$key]);
}
}
$jsFiles = array_merge($jsFiles, $files);
}
if (!empty($jsFiles)) {
$html .= str_replace(array('.js', '.pjs'), '', javascript_include_tag(url_for('sfCombine/js?key=' . _get_key($jsFiles))));
}
foreach ($regularJsFiles as $file) {
$file = javascript_path($file);
$html .= javascript_include_tag($file);
}
return $html;
}
/**
* Processes the assets corresponding to a hash
*
* @param string $key Key to a list of asset files in the `sf_combine` table
*
* @return string Processed Javascript code
*/
public function process($key)
{
$files = $this->getContents($key);
$config = sfConfig::get('app_sfCombinePlugin_js', array());
if (isset($config['minify']) && $config['minify']) {
// minification
$skipMinify = isset($config['minify_skip']) ? $config['minify_skip'] : array();
foreach ($files as $filePath => $content) {
if (!skip_asset($filePath, $skipMinify)) {
$files[$filePath] = $this->minify($content);
}
}
}
// packing
if (isset($config['pack']) && $config['pack']) {
$skipPack = isset($config['pack_skip']) ? $config['pack_skip'] : array();
if (!$skipPack) {
// simple: pack everything together
$finalContent = $this->pack($this->merge($files));
} else {
// less simple: pack groups of files, avoiding the ones that should not be packed
$finalContent = '';
$toProcess = '';
foreach ($files as $filePath => $content) {
if (skip_asset($filePath, $skipPack)) {
$finalContent .= $this->pack($toProcess);
$finalContent .= $content;
$toProcess = '';
} else {
$toProcess .= $content;
}
}
if ($toProcess) {
$packer = new JavaScriptPacker($toProcess, 'Normal', true, false);
$finalContent .= $packer->pack();
}
}
} else {
// no packing at all, simply merge
$includeComment = isset($config['minify']) ? !$config['minify'] : true;
$finalContent = $this->merge($files, $includeComment);
}
return $finalContent;
}