@johngw/stream
Version:
Reactive programming tools using the WHATWG Streams API.
28 lines • 859 B
JavaScript
import { ForkableRecallSink } from '@johngw/stream/sinks/ForkableRecallSink';
import { BaseForkableStream } from '@johngw/stream/sinks/BaseForkableStream';
/**
* An extension to the {@link ForkableStream:class} that immediately
* queues the last received chunk to any fork.
*
* @group Sinks
* @see {@link ForkableRecallSink}
* @example
* ```
* const forkable = new ForkableRecallStream<number>()
* await fromCollection([1, 2, 3, 4, 5, 6, 7]).pipeTo(forkable)
* ```
*
* Now the stream has finished, if we fork from it we'll
* receive the last thing that was emitted.
*
* ```
* await forkable.fork().pipeTo(write(console.info))
* // 7
* ```
*/
export class ForkableRecallStream extends BaseForkableStream {
constructor(strategy) {
super(new ForkableRecallSink(), strategy);
}
}
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