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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:
976 bytes
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[d565449] | 1 | import { useEffect, useState } from 'react';
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| 2 | import { off, on } from './misc/util';
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| 3 | var useScrolling = function (ref) {
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| 4 | var _a = useState(false), scrolling = _a[0], setScrolling = _a[1];
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| 5 | useEffect(function () {
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| 6 | if (ref.current) {
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| 7 | var scrollingTimeout_1;
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| 8 | var handleScrollEnd_1 = function () {
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| 9 | setScrolling(false);
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| 10 | };
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| 11 | var handleScroll_1 = function () {
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| 12 | setScrolling(true);
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| 13 | clearTimeout(scrollingTimeout_1);
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| 14 | scrollingTimeout_1 = setTimeout(function () { return handleScrollEnd_1(); }, 150);
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| 15 | };
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| 16 | on(ref.current, 'scroll', handleScroll_1, false);
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| 17 | return function () {
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| 18 | if (ref.current) {
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| 19 | off(ref.current, 'scroll', handleScroll_1, false);
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| 20 | }
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| 21 | };
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| 22 | }
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| 23 | return function () { };
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| 24 | }, [ref]);
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| 25 | return scrolling;
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| 26 | };
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| 27 | export default useScrolling;
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