Function write

lib/utils/stream-buf.js:203–209

(pipe)

  async _pipe(chunk) {
    const write = function(pipe) {
      return new Promise(resolve => {
        pipe.write(chunk.toBuffer(), () => {
          resolve();
        });
      });
    };
    await Promise.all(this.pipes.map(write));
  },
  _writeToBuffers(chunk) {