main
Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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File size:
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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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