@johngw/stream
Version:
Reactive programming tools using the WHATWG Streams API.
22 lines • 389 B
JavaScript
/**
* Queues the first item it receives then terminates the stream.
*
* @group Transformers
* @example
* ```
* --1--X
*
* first()
*
* --1--|
* ```
*/
export function first() {
return new TransformStream({
transform(chunk, controller) {
controller.enqueue(chunk);
controller.terminate();
},
});
}
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