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import { useCallback, useEffect, useRef } from 'react'; import useLatest from '../useLatest'; import { isNumber } from '../utils'; var setRafTimeout = function (callback, delay) { if (delay === void 0) { delay = 0; } if (typeof requestAnimationFrame === typeof undefined) { return { id: setTimeout(callback, delay) }; } var handle = { id: 0 }; var startTime = new Date().getTime(); var loop = function () { var current = new Date().getTime(); if (current - startTime >= delay) { callback(); } else { handle.id = requestAnimationFrame(loop); } }; handle.id = requestAnimationFrame(loop); return handle; }; function cancelAnimationFrameIsNotDefined(t) { return typeof cancelAnimationFrame === typeof undefined; } var clearRafTimeout = function (handle) { if (cancelAnimationFrameIsNotDefined(handle.id)) { return clearTimeout(handle.id); } cancelAnimationFrame(handle.id); }; function useRafTimeout(fn, delay) { var fnRef = useLatest(fn); var timerRef = useRef(); var clear = useCallback(function () { if (timerRef.current) { clearRafTimeout(timerRef.current); } }, []); useEffect(function () { if (!isNumber(delay) || delay < 0) return; timerRef.current = setRafTimeout(function () { fnRef.current(); }, delay); return clear; }, [delay]); return clear; } export default useRafTimeout;