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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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100644
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File size:
986 bytes
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[d565449] | 1 | import { useCallback, useEffect, useRef } from 'react';
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| 2 | export default function useTimeoutFn(fn, ms) {
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| 3 | if (ms === void 0) { ms = 0; }
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| 4 | var ready = useRef(false);
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| 5 | var timeout = useRef();
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| 6 | var callback = useRef(fn);
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| 7 | var isReady = useCallback(function () { return ready.current; }, []);
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| 8 | var set = useCallback(function () {
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| 9 | ready.current = false;
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| 10 | timeout.current && clearTimeout(timeout.current);
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| 11 | timeout.current = setTimeout(function () {
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| 12 | ready.current = true;
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| 13 | callback.current();
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| 14 | }, ms);
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| 15 | }, [ms]);
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| 16 | var clear = useCallback(function () {
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| 17 | ready.current = null;
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| 18 | timeout.current && clearTimeout(timeout.current);
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| 19 | }, []);
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| 20 | // update ref when function changes
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| 21 | useEffect(function () {
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| 22 | callback.current = fn;
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| 23 | }, [fn]);
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| 24 | // set on mount, clear on unmount
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| 25 | useEffect(function () {
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| 26 | set();
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| 27 | return clear;
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| 28 | }, [ms]);
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| 29 | return [isReady, clear, set];
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| 30 | }
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