class Model {
  constructor() {}

  async dirList(dir = "/") {
    let list = await pfs.readdir(dir);
    
    for (let u = 0; u < list.length; u++) {
      let re = /^\..*$/;

      if (re.test(list[u])) {
        list.splice(u, 1)
        u--
      }
    }
        

    let dirtree = [dir];

    for (let i = 0; i < list.length; i++) {
      dirtree[i + 1] = list[i];
      let itemStat = await pfs.stat(dirtree[0] + dirtree[i+1]);
      if (itemStat.isDirectory()) {
        dirtree[i+1] = await this.dirList(dirtree[0] + dirtree[i+1] + "/");
      }
    }

    return dirtree;
  }

  async dirTree(dir = "/") {
    var tree = await this.dirList(dir);

    console.log(tree);
    return tree;
  }
}