Function copyFile

src/utils/fileManager.js:133–162

* 复制文件 * @param {string} source 源文件路径 * @param {string} target 目标文件路径 * @returns {Promise }

(source, target)

   * 递归删除目录
   * @param {string} directory 要删除的目录
   * @returns {Promise<void>}
   */
  async cleanDirectory(directory) {
    try {
      if (!fs.existsSync(directory)) {
        return;
      }
      await fsp.rm(directory, { recursive: true, force: true });
      logger.debug(`删除目录: ${directory}`);
    } catch (err) {
      logger.error(`删除目录 ${directory} 时出错:`, err);
      throw err;
    }
  },
};

/**
 * JSON.stringify that breaks cycles instead of throwing.
 * Already-seen objects become {"__circular__": true}.
 * Prefer resourceProcessor.toIdReferencedArray for Cocos scene graphs.
 */
function safeJsonStringify(value, space = 2) {
  const seen = new WeakSet();
  return JSON.stringify(
    value,
    (key, val) => {
      if (val && typeof val === 'object') {
        if (seen.has(val)) {
          return { __circular__: true };
        }
        seen.add(val);
      }
      return val;