usePromise javascript

index.js

usePromise(fetcher.states.fetched, async (onCancel) => {
    const controller = new AbortController();
    onCancel(() =>{
        controller.abort();
    });
    const data = await fetch(
        `/api/user/${fetcher.context}`,
        {
        signal: controller.signal,
        }
    );
                 
    return (context) =>{
        context.data = data;
        return "fetched";
    };
});