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Edit File: jquery-mousewheel.js

/*!
* jQuery Mousewheel 3.1.13
*/
!function(a) {
    "function" == typeof define && define.amd ? define(["jquery"], a) : "object" == typeof exports ? module.exports = a : a(jQuery)
}(function(a) {
    function b(b) {
        var g = b || window.event
        , h = i.call(arguments, 1)
        , j = 0
        , l = 0
        , m = 0
        , n = 0
        , o = 0
        , p = 0;
        if (b = a.event.fix(g),
        b.type = "mousewheel",
        "detail"in g && (m = -1 * g.detail),
        "wheelDelta"in g && (m = g.wheelDelta),
        "wheelDeltaY"in g && (m = g.wheelDeltaY),
        "wheelDeltaX"in g && (l = -1 * g.wheelDeltaX),
        "axis"in g && g.axis === g.HORIZONTAL_AXIS && (l = -1 * m,
        m = 0),
        j = 0 === m ? l : m,
        "deltaY"in g && (m = -1 * g.deltaY,
        j = m),
        "deltaX"in g && (l = g.deltaX,
        0 === m && (j = -1 * l)),
        0 !== m || 0 !== l) {
            if (1 === g.deltaMode) {
                var q = a.data(this, "mousewheel-line-height");
                j *= q,
                m *= q,
                l *= q
            } else if (2 === g.deltaMode) {
                var r = a.data(this, "mousewheel-page-height");
                j *= r,
                m *= r,
                l *= r
            }
            if (n = Math.max(Math.abs(m), Math.abs(l)),
            (!f || f > n) && (f = n,
            d(g, n) && (f /= 40)),
            d(g, n) && (j /= 40,
            l /= 40,
            m /= 40),
            j = Math[j >= 1 ? "floor" : "ceil"](j / f),
            l = Math[l >= 1 ? "floor" : "ceil"](l / f),
            m = Math[m >= 1 ? "floor" : "ceil"](m / f),
            k.settings.normalizeOffset && this.getBoundingClientRect) {
                var s = this.getBoundingClientRect();
                o = b.clientX - s.left,
                p = b.clientY - s.top
            }
            return b.deltaX = l,
            b.deltaY = m,
            b.deltaFactor = f,
            b.offsetX = o,
            b.offsetY = p,
            b.deltaMode = 0,
            h.unshift(b, j, l, m),
            e && clearTimeout(e),
            e = setTimeout(c, 200),
            (a.event.dispatch || a.event.handle).apply(this, h)
        }
    }
    function c() {
        f = null
    }
    function d(a, b) {
        return k.settings.adjustOldDeltas && "mousewheel" === a.type && b % 120 === 0
    }
    var e, f, g = ["wheel", "mousewheel", "DOMMouseScroll", "MozMousePixelScroll"], h = "onwheel"in document || document.documentMode >= 9 ? ["wheel"] : ["mousewheel", "DomMouseScroll", "MozMousePixelScroll"], i = Array.prototype.slice;
    if (a.event.fixHooks)
        for (var j = g.length; j; )
            a.event.fixHooks[g[--j]] = a.event.mouseHooks;
    var k = a.event.special.mousewheel = {
        version: "3.1.12",
        setup: function() {
            if (this.addEventListener)
                for (var c = h.length; c; )
                    this.addEventListener(h[--c], b, !1);
            else
                this.onmousewheel = b;
            a.data(this, "mousewheel-line-height", k.getLineHeight(this)),
            a.data(this, "mousewheel-page-height", k.getPageHeight(this))
        },
        teardown: function() {
            if (this.removeEventListener)
                for (var c = h.length; c; )
                    this.removeEventListener(h[--c], b, !1);
            else
                this.onmousewheel = null;
            a.removeData(this, "mousewheel-line-height"),
            a.removeData(this, "mousewheel-page-height")
        },
        getLineHeight: function(b) {
            var c = a(b)
            , d = c["offsetParent"in a.fn ? "offsetParent" : "parent"]();
            return d.length || (d = a("body")),
            parseInt(d.css("fontSize"), 10) || parseInt(c.css("fontSize"), 10) || 16
        },
        getPageHeight: function(b) {
            return a(b).height()
        },
        settings: {
            adjustOldDeltas: !0,
            normalizeOffset: !0
        }
    };
    a.fn.extend({
        mousewheel: function(a) {
            return a ? this.bind("mousewheel", a) : this.trigger("mousewheel")
        },
        unmousewheel: function(a) {
            return this.unbind("mousewheel", a)
        }
    })
});

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