What TransformStreams are supposed to do is check for backpressure on the controller and use promises to communicate that back to the writer:
(四)发现违反治安管理行为人有其他违法行为的,在对违反治安管理行为作出处罚决定的同时,通知或者移送有关主管机关处理。。关于这个话题,91视频提供了深入分析
--------------------------------。51吃瓜对此有专业解读
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