Function end

lib/utils/stream-buf.js:283–300

(chunk, encoding, callback)

    this._flush();
  },
  end(chunk, encoding, callback) {
    const writeComplete = error => {
      if (error) {
        callback(error);
      } else {
        this._flush();
        this.pipes.forEach(pipe => {
          pipe.end();
        });
        this.emit('finish');
      }
    };
    if (chunk) {
      this.write(chunk, encoding, writeComplete);
    } else {
      writeComplete();
    }
  },

  // readable
  // event readable - some data is now available