@phaserjs/phaser/components/hierarchy/RelinkChildren.js

Phaser 4

import { LinkSiblings } from "./LinkSiblings";
import { SetFirstChildID } from "./SetFirstChildID";
import { SetLastChildID } from "./SetLastChildID";
import { SetNumChildren } from "./SetNumChildren";
export function RelinkChildren(parentID, children) {
  const len = children.length;
  if (len === 0) {
    SetNumChildren(parentID, 0);
    SetFirstChildID(parentID, 0);
    SetLastChildID(parentID, 0);
    return;
  }
  let total = 1;
  let childA = children[0];
  SetFirstChildID(parentID, childA);
  if (len === 1) {
    SetLastChildID(parentID, childA);
    SetNumChildren(parentID, total);
    return;
  }
  for (let i = 1; i < len; i++) {
    const childB = children[i];
    LinkSiblings(childA, childB);
    childA = childB;
    total++;
  }
  SetLastChildID(parentID, childA);
  SetNumChildren(parentID, total);
}