@johngw/stream/dist/transformers/first.js

Reactive programming tools using the WHATWG Streams API.

/**
 * 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();
        },
    });
}
//# sourceMappingURL=first.js.map