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.
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，更多细节参见91视频
The new API has complete parallel sync versions: Stream.pullSync(), Stream.bytesSync(), Stream.textSync(), and so on. If your source and transforms are all synchronous, you can process the entire pipeline without a single promise.
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，更多细节参见搜狗输入法下载
addSolidGeometry(new THREE.SphereGeometry(radius, widthSegments, heightSegments));
观察大国经济，不仅要看量，更要看质。。搜狗输入法2026对此有专业解读