What TransformStreams are supposed to do is check for backpressure on the controller and use promises to communicate that back to the writer:
要达成这个目标，光靠在 10 万到 20 万的舒适区里打转显然不够。零跑必须下沉，必须把手伸向体量最大、同时也最难啃的那块骨头—— 10 万元级市场。，详情可参考同城约会
Lauren Hirst,North West，更多细节参见Safew下载
目前该功能仅面向 Max 订阅用户开放，未来将扩展至 Pro 订阅用户。