|
public getFragmentSpreads ( GraphQL\Language\AST\HasSelectionSet $node ) : |
||
| $node | GraphQL\Language\AST\HasSelectionSet | |
| Результат | ||
private function detectCycleRecursive(FragmentDefinition $fragment, ValidationContext $context)
{
$fragmentName = $fragment->name->value;
$this->visitedFrags[$fragmentName] = true;
$spreadNodes = $context->getFragmentSpreads($fragment);
if (empty($spreadNodes)) {
return;
}
$this->spreadPathIndexByName[$fragmentName] = count($this->spreadPath);
for ($i = 0; $i < count($spreadNodes); $i++) {
$spreadNode = $spreadNodes[$i];
$spreadName = $spreadNode->name->value;
$cycleIndex = isset($this->spreadPathIndexByName[$spreadName]) ? $this->spreadPathIndexByName[$spreadName] : null;
if ($cycleIndex === null) {
$this->spreadPath[] = $spreadNode;
if (empty($this->visitedFrags[$spreadName])) {
$spreadFragment = $context->getFragment($spreadName);
if ($spreadFragment) {
$this->detectCycleRecursive($spreadFragment, $context);
}
}
array_pop($this->spreadPath);
} else {
$cyclePath = array_slice($this->spreadPath, $cycleIndex);
$nodes = $cyclePath;
if (is_array($spreadNode)) {
$nodes = array_merge($nodes, $spreadNode);
} else {
$nodes[] = $spreadNode;
}
$context->reportError(new Error(self::cycleErrorMessage($spreadName, Utils::map($cyclePath, function ($s) {
return $s->name->value;
})), $nodes));
}
}
$this->spreadPathIndexByName[$fragmentName] = null;
}
