Method exists

packages/filesystem/dropbox/dropbox.ts:236–255

(path: string)

  // 检查文件或文件夹是否存在
  async exists(path: string): Promise<boolean> {
    try {
      const myHeaders = new Headers();
      myHeaders.append("Content-Type", "application/json");

      await this.request("https://api.dropboxapi.com/2/files/get_metadata", {
        method: "POST",
        headers: myHeaders,
        body: JSON.stringify({
          path: path,
        }),
      });
      return true;
    } catch (e) {
      if (isDropboxPathNotFound(e)) {
        return false;
      }
      throw e;
    }
  }

  // 清除相关缓存
  clearRelatedCache(path: string): void {