nt8Data = new TextEncoder().encode(data)
        } else {
          uint8Data = new Uint8Array(data)
        }

        this.entries.set(normalizedPath, {
          filename: normalizedPath,
          data: uint8Data,
          directory: false
        })
        this.modified.add(normalizedPath)
      }

      async mkdir(dirpath, options = {}) {
        const normalizedPath = this._normalizePath(dirpath)
        const dirPath = normalizedPath.endsWith('/') ? normalizedPath : normalizedPath + '/'

        