wavesurfer-react/dist/esm/hooks/useRegionPluginEvent.js

react wrapper for wavesurfer.js

import { useRef, useEffect } from 'react';

// TODO: try to merge it with useRegionEvent
function useRegionPluginEvent(ref, eventName, callback) {
    const callbackRef = useRef(null);
    useEffect(()=>{
        if (!ref) {
            return;
        }
        if (callback) {
            callbackRef.current = (...args)=>callback(...args);
            ref.on(eventName, callbackRef.current);
        }
        return ()=>{
            callbackRef.current && ref.un(eventName, callbackRef.current);
            callbackRef.current = null;
        };
    }, [
        ref,
        eventName,
        callback
    ]);
}

export { useRegionPluginEvent as default };