code: function endOfChunks() {
    this.callback = fsStat.bind(this.polpetta);
    if (this.boundary) {
      this.i = 0;
      this.received = {};
      this.posted = [];
      this.join("").split(this.boundary).forEach(
        endOfChunks.forEach, this
      );
      this.i || endOfChunks.done(this, this.posted.join("&"));
    } else {
      endOfChunks.done(this, this.join(""));
    }
  }
docs: remove received, chunks, and i, after