commitPassiveUnmountEffectsInsideOfDeletedTree_complete() — react Function Reference

Source Code

packages/react-reconciler/src/ReactFiberCommitWork.js lines 5099–5124

function commitPassiveUnmountEffectsInsideOfDeletedTree_complete(
  deletedSubtreeRoot: Fiber,
) {
  while (nextEffect !== null) {
    const fiber = nextEffect;
    const sibling = fiber.sibling;
    const returnFiber = fiber.return;

    // Recursively traverse the entire deleted tree and clean up fiber fields.
    // This is more aggressive than ideal, and the long term goal is to only
    // have to detach the deleted tree at the root.
    detachFiberAfterEffects(fiber);
    if (fiber === deletedSubtreeRoot) {
      nextEffect = null;
      return;
    }

    if (sibling !== null) {
      sibling.return = returnFiber;
      nextEffect = sibling;
      return;
    }

    nextEffect = returnFiber;
  }
}