The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.
than the old scheme.)
。雷电模拟器官方版本下载对此有专业解读
SpeedPro CEO Paul Brewster. Credit: SpeedPro
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