piral-hooks-utils/lib/hooks/asyncReplace.js

Hooks and HOC for pilets and Piral instances.

import { useState, useEffect } from 'react';
/**
 * Gives a full async lifecycle in a hook.
 * @param action The lazy loader.
 * @param resolve The resolve function getting the result from the promise.
 * @returns The current executing state, and the trigger to start the async operation.
 */
export function useAsyncReplace(action, resolve = () => { }) {
    const [executing, setExecuting] = useState(false);
    const error = executing instanceof Error ? executing : undefined;
    useEffect(() => {
        if (executing === true) {
            let active = true;
            action().then((result) => active && resolve(result), (err) => active && setExecuting(err));
            return () => (active = false);
        }
        return () => { };
    }, [executing]);
    return [executing === true, () => setExecuting(true), error];
}
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