Method getDependenciesForAsset

/**
 * Return dependencies for Asset as array of WebAssetItem objects
 *
 * @param   string        $type           The asset type, script or style
 * @param   WebAssetItem  $asset          Asset instance
 * @param   boolean       $recursively    Whether to search for dependency recursively
 * @param   string        $recursionType  The type of initial item to prevent loop
 * @param   WebAssetItem  $recursionRoot  Initial item to prevent loop
 *
 * @return  array
 *
 * @throws  UnsatisfiedDependencyException When Dependency cannot be found
 *
 * @since   4.0.0
 */
protected function getDependenciesForAsset(string $type, WebAssetItem $asset, $recursively = false, string $recursionType = null, WebAssetItem $recursionRoot = null) : array
{
    $assets = [];
    $recursionRoot = $recursionRoot ?? $asset;
    $recursionType = $recursionType ?? $type;
    foreach ($asset->getDependencies() as $depName) {
        $depType = $type;
        // Skip already loaded in recursion
        if ($recursionRoot->getName() === $depName && $recursionType === $depType) {
            continue;
        }
        if (!$this->registry->exists($depType, $depName)) {
            throw new UnsatisfiedDependencyException(sprintf('Unsatisfied dependency "%s" for an asset "%s" of type "%s"', $depName, $asset->getName(), $depType));
        }
        $dep = $this->registry->get($depType, $depName);
        $assets[$depType][$depName] = $dep;
        if (!$recursively) {
            continue;
        }
        $parentDeps = $this->getDependenciesForAsset($depType, $dep, true, $recursionType, $recursionRoot);
        $assets = array_replace_recursive($assets, $parentDeps);
    }
    return $assets;
}