// Copyright (C) 2017-2023 Smart code 203358507 const React = require('react'); const useOnScrollToBottom = (cb, threshold = 0) => { const triggeredRef = React.useRef(false); const onScroll = React.useCallback((event) => { if (event.target.scrollTop + event.target.clientHeight >= event.target.scrollHeight - threshold) { if (!triggeredRef.current) { triggeredRef.current = true; if (typeof cb === 'function') { cb(event); } } } else { triggeredRef.current = false; } }, [cb]); return onScroll; }; module.exports = useOnScrollToBottom;