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.
18:07, 2 марта 2026Экономика
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德國墨卡托中國研究中心（MERICS）高級分析員亞歷山大·布朗（Alexander Brown）近日在一次論壇中指出，北京正在產業技術發展與滿足國內市場需求之間權衡，「這兩大優先事項是習近平當前面臨的兩難抉擇。 」
if (n <= 1) return;
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