Function addToReplayParent

packages/react-server/src/ReactFizzServer.js:6340–6362

(
  node: ReplayNode,
  parentKeyPath: Root | KeyNode,
  trackedPostpones: PostponedHoles,
)

}

function addToReplayParent(
  node: ReplayNode,
  parentKeyPath: Root | KeyNode,
  trackedPostpones: PostponedHoles,
): void {
  if (parentKeyPath === null) {
    trackedPostpones.rootNodes.push(node);
  } else {
    const workingMap = trackedPostpones.workingMap;
    let parentNode = workingMap.get(parentKeyPath);
    if (parentNode === undefined) {
      parentNode = ([
        parentKeyPath[1],
        parentKeyPath[2],
        ([]: Array<ReplayNode>),
        null,
      ]: ReplayNode);
      workingMap.set(parentKeyPath, parentNode);
      addToReplayParent(parentNode, parentKeyPath[0], trackedPostpones);
    }
    parentNode[2].push(node);
  }
}

export type PostponedState = {
  nextSegmentId: number,