/**
* Resolves asset dependencies.
*
* @param AssetInterface $asset
* @param AssetInterface[] $resolved
* @param AssetInterface[] $unresolved
* @return AssetInterface[]
* @throws \RuntimeException
*/
public function resolveDependencies($asset, &$resolved = array(), &$unresolved = array())
{
$unresolved[$asset->getName()] = $asset;
foreach ($asset->getDependencies() 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;
}
