1 | import { useCallback, useRef } from 'react';
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2 | import { off, on } from './misc/util';
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3 | var isTouchEvent = function (ev) {
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4 | return 'touches' in ev;
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5 | };
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6 | var preventDefault = function (ev) {
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7 | if (!isTouchEvent(ev))
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8 | return;
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9 | if (ev.touches.length < 2 && ev.preventDefault) {
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10 | ev.preventDefault();
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11 | }
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12 | };
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13 | var useLongPress = function (callback, _a) {
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14 | var _b = _a === void 0 ? {} : _a, _c = _b.isPreventDefault, isPreventDefault = _c === void 0 ? true : _c, _d = _b.delay, delay = _d === void 0 ? 300 : _d;
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15 | var timeout = useRef();
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16 | var target = useRef();
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17 | var start = useCallback(function (event) {
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18 | // prevent ghost click on mobile devices
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19 | if (isPreventDefault && event.target) {
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20 | on(event.target, 'touchend', preventDefault, { passive: false });
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21 | target.current = event.target;
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22 | }
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23 | timeout.current = setTimeout(function () { return callback(event); }, delay);
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24 | }, [callback, delay, isPreventDefault]);
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25 | var clear = useCallback(function () {
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26 | // clearTimeout and removeEventListener
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27 | timeout.current && clearTimeout(timeout.current);
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28 | if (isPreventDefault && target.current) {
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29 | off(target.current, 'touchend', preventDefault);
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30 | }
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31 | }, [isPreventDefault]);
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32 | return {
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33 | onMouseDown: function (e) { return start(e); },
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34 | onTouchStart: function (e) { return start(e); },
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35 | onMouseUp: clear,
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36 | onMouseLeave: clear,
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37 | onTouchEnd: clear,
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38 | };
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39 | };
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40 | export default useLongPress;
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