@johngw/stream/dist/es/transformers/filter.js

Reactive programming tools using the WHATWG Streams API.

export function filter(predicate) {
    return new TransformStream({
        async transform(chunk, controller) {
            try {
                if (await predicate(chunk))
                    controller.enqueue(chunk);
            }
            catch (error) {
                controller.error(error);
            }
        },
    });
}
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