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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:
1.0 KB
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[d565449] | 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | var react_1 = require("react");
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| 4 | var util_1 = require("./misc/util");
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| 5 | var useScrolling = function (ref) {
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| 6 | var _a = react_1.useState(false), scrolling = _a[0], setScrolling = _a[1];
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| 7 | react_1.useEffect(function () {
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| 8 | if (ref.current) {
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| 9 | var scrollingTimeout_1;
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| 10 | var handleScrollEnd_1 = function () {
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| 11 | setScrolling(false);
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| 12 | };
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| 13 | var handleScroll_1 = function () {
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| 14 | setScrolling(true);
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| 15 | clearTimeout(scrollingTimeout_1);
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| 16 | scrollingTimeout_1 = setTimeout(function () { return handleScrollEnd_1(); }, 150);
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| 17 | };
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| 18 | util_1.on(ref.current, 'scroll', handleScroll_1, false);
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| 19 | return function () {
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| 20 | if (ref.current) {
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| 21 | util_1.off(ref.current, 'scroll', handleScroll_1, false);
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| 22 | }
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| 23 | };
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| 24 | }
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| 25 | return function () { };
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| 26 | }, [ref]);
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| 27 | return scrolling;
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| 28 | };
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| 29 | exports.default = useScrolling;
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