95 lines
2.7 KiB
JavaScript
95 lines
2.7 KiB
JavaScript
/*!
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* swiped-events.js - v1.1.4
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* Pure JavaScript swipe events
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* https://github.com/john-doherty/swiped-events
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* @inspiration https://stackoverflow.com/questions/16348031/disable-scrolling-when-touch-moving-certain-element
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* @author John Doherty <www.johndoherty.info>
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* @license MIT
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*/
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!(function (t, e) {
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"use strict";
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"function" != typeof t.CustomEvent &&
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((t.CustomEvent = function (t, n) {
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n = n || { bubbles: !1, cancelable: !1, detail: void 0 };
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var a = e.createEvent("CustomEvent");
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return a.initCustomEvent(t, n.bubbles, n.cancelable, n.detail), a;
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}),
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(t.CustomEvent.prototype = t.Event.prototype)),
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e.addEventListener(
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"touchstart",
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function (t) {
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if ("true" === t.target.getAttribute("data-swipe-ignore")) return;
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(s = t.target),
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(r = Date.now()),
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(n = t.touches[0].clientX),
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(a = t.touches[0].clientY),
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(u = 0),
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(i = 0);
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},
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!1,
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),
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e.addEventListener(
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"touchmove",
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function (t) {
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if (!n || !a) return;
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var e = t.touches[0].clientX,
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r = t.touches[0].clientY;
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(u = n - e), (i = a - r);
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},
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!1,
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),
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e.addEventListener(
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"touchend",
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function (t) {
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if (s !== t.target) return;
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var e = parseInt(l(s, "data-swipe-threshold", "20"), 10),
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o = parseInt(l(s, "data-swipe-timeout", "500"), 10),
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c = Date.now() - r,
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d = "",
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p = t.changedTouches || t.touches || [];
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Math.abs(u) > Math.abs(i)
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? Math.abs(u) > e &&
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c < o &&
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(d = u > 0 ? "swiped-left" : "swiped-right")
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: Math.abs(i) > e &&
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c < o &&
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(d = i > 0 ? "swiped-up" : "swiped-down");
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if ("" !== d) {
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var b = {
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dir: d.replace(/swiped-/, ""),
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xStart: parseInt(n, 10),
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xEnd: parseInt((p[0] || {}).clientX || -1, 10),
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yStart: parseInt(a, 10),
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yEnd: parseInt((p[0] || {}).clientY || -1, 10),
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};
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s.dispatchEvent(
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new CustomEvent("swiped", {
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bubbles: !0,
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cancelable: !0,
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detail: b,
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}),
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),
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s.dispatchEvent(
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new CustomEvent(d, { bubbles: !0, cancelable: !0, detail: b }),
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);
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}
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(n = null), (a = null), (r = null);
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},
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!1,
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);
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var n = null,
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a = null,
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u = null,
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i = null,
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r = null,
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s = null;
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function l(t, n, a) {
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for (; t && t !== e.documentElement; ) {
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var u = t.getAttribute(n);
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if (u) return u;
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t = t.parentNode;
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}
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return a;
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}
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})(window, document);
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