protected function getDataAttributes(AssetInterface $asset)
{
$attributes = '';
foreach ($asset->getOptions() as $name => $value) {
if ('data-' == substr($name, 0, 5)) {
$attributes .= sprintf(' %s="%s"', $name, htmlspecialchars($value));
}
}
return $attributes;
}
/**
* Resolve asset dependencies.
*
* @param AssetInterface $asset
* @param array $resolved
* @param array $unresolved
* @return array
* @throws \RuntimeException
*/
public function resolveDependencies($asset, &$resolved = [], &$unresolved = [])
{
$unresolved[$asset->getName()] = $asset;
if (isset($asset['dependencies'])) {
foreach ($asset['dependencies'] as $dependency) {
if (!isset($resolved[$dependency])) {
if (isset($unresolved[$dependency])) {
throw new \RuntimeException(sprintf('Circular asset dependency "%s > %s" detected.', $asset->getName(), $dependency));
}
if ($d = $this->registered->get($dependency)) {
$this->resolveDependencies($d, $resolved, $unresolved);
}
}
}
}
$resolved[$asset->getName()] = $asset;
unset($unresolved[$asset->getName()]);
return $resolved;
}