Function deepCloneTree

src/utils.ts:41–72

(obj: T, seen = new WeakSet())

};

export const deepCloneTree = <T>(obj: T, seen = new WeakSet()): T => {
  if (obj === null || typeof obj !== "object") {
    return obj;
  }

  if (obj instanceof HTMLElement) {
    return obj;
  }

  if (typeof obj === "function") {
    return (obj as any).bind({});
  }

  if (seen.has(obj)) {
    return obj as T; //
  }

  seen.add(obj);

  const copy: any = Array.isArray(obj) ? [] : {};

  for (const key in obj) {
    if (obj.hasOwnProperty(key)) {
      copy[key] = deepCloneTree(obj[key], seen);
    }
  }

  
  seen.delete(obj);

  return copy;
};


export const findNodeOrThrow = <T extends { id: string; childNodes: Array<T> }>(