@ima/react-page-renderer/dist/esm/server/hooks/dispatcher.js

IMA.js React page renderer.

import { useEffect, useMemo } from 'react';
import { useComponentUtils } from './componentUtils';
export function useDispatcher(event, listener) {
    const { $Dispatcher } = useComponentUtils();
    useEffect(()=>{
        if (event && listener) {
            $Dispatcher.listen(event, listener);
        }
        return ()=>{
            if (event && listener) {
                $Dispatcher.unlisten(event, listener);
            }
        };
    }, [
        $Dispatcher,
        event,
        listener
    ]);
    return useMemo(()=>({
            fire: (...params)=>$Dispatcher.fire(...params)
        }), [
        $Dispatcher
    ]);
}

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