@polygonjs/polygonjs/dist/src/core/reactivity/ObjectHierarchyReactivity.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
import { ref } from "../../core/reactivity/CoreReactivity";
const refChildrenCountByUuid = /* @__PURE__ */ new WeakMap();
export function getObjectChildrenCountRef(object) {
  let _ref = refChildrenCountByUuid.get(object);
  if (!_ref) {
    _ref = ref(object.children.length);
    refChildrenCountByUuid.set(object, _ref);
  }
  return _ref;
}
export function updateObjectChildrenCountRef(object) {
  getObjectChildrenCountRef(object).value = object.children.length;
}