TransformStream creates a readable/writable pair with processing logic in between. The transform() function executes on write, not on read. Processing of the transform happens eagerly as data arrives, regardless of whether any consumer is ready. This causes unnecessary work when consumers are slow, and the backpressure signaling between the two sides has gaps that can cause unbounded buffering under load. The expectation in the spec is that the producer of the data being transformed is paying attention to the writer.ready signal on the writable side of the transform but quite often producers just simply ignore it.
const first = await peekFirstChunk(stream);
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第八十条 涉外仲裁的仲裁庭可以将开庭情况记入笔录，或者作出笔录要点，笔录要点可以由当事人和其他仲裁参与人签名或者盖章。
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