https://www.campbell.edu/wp-content/themes/campbell/assets/src/js/lib/enquire/enquire.min.js?ver=3.1.0

1/*!
2 * enquire.js v2.1.2 - Awesome Media Queries in JavaScript
3 * Copyright (c) 2014 Nick Williams - http://wicky.nillia.ms/enquire.js
4 * License: MIT (http://www.opensource.org/licenses/mit-license.php)
5 */
6
7!(function (a, b, c) {
8    var d = window.matchMedia;
9    "undefined" != typeof module && module.exports
10        ? (module.exports = c(d))
11        : "function" == typeof define && define.amd
12          ? define(function () {
13                return (b[a] = c(d));
14            })
15          : (b[a] = c(d));
16})("enquire", this, function (a) {
17    "use strict";
18    function b(a, b) {
19        var c,
20            d = 0,
21            e = a.length;
22        for (d; e > d && ((c = b(a[d], d)), c !== !1); d++);
23    }
24    function c(a) {
25        return "[object Array]" === Object.prototype.toString.apply(a);
26    }
27    function d(a) {
28        return "function" == typeof a;
29    }
30    function e(a) {
31        (this.options = a), !a.deferSetup && this.setup();
32    }
33    function f(b, c) {
34        (this.query = b),
35            (this.isUnconditional = c),
36            (this.handlers = []),
37            (this.mql = a(b));
38        var d = this;
39        (this.listener = function (a) {
40            (d.mql = a), d.assess();
41        }),
42            this.mql.addListener(this.listener);
43    }
44    function g() {
45        if (!a)
46            throw new Error(

47                "matchMedia not present, legacy browsers require a polyfill"
48            );
49        (this.queries = {}), (this.browserIsIncapable = !a("only all").matches);
50    }
51    return (
52        (e.prototype = {
53            setup: function () {
54                this.options.setup && this.options.setup(),
55                    (this.initialised = !0);
56            },
57            on: function () {
58                !this.initialised && this.setup(),
59                    this.options.match && this.options.match();
60            },
61            off: function () {
62                this.options.unmatch && this.options.unmatch();
63            },
64            destroy: function () {
65                this.options.destroy ? this.options.destroy() : this.off();
66            },
67            equals: function (a) {
68                return this.options === a || this.options.match === a;
69            },
70        }),
71        (f.prototype = {
72            addHandler: function (a) {
73                var b = new e(a);
74                this.handlers.push(b), this.matches() && b.on();
75            },
76            removeHandler: function (a) {
77                var c = this.handlers;
78                b(c, function (b, d) {
79                    return b.equals(a)
80                        ? (b.destroy(), !c.splice(d, 1))
81                        : void 0;
82                });
83            },
84            matches: function () {
85                return this.mql.matches || this.isUnconditional;
86            },
87            clear: function () {
88                b(this.handlers, function (a) {
89                    a.destroy();
90                }),
91                    this.mql.removeListener(this.listener),
92                    (this.handlers.length = 0);
93            },
94            assess: function () {
95                var a = this.matches() ? "on" : "off";
96                b(this.handlers, function (b) {
97                    b[a]();
98                });
99            },
100        }),
101        (g.prototype = {
102            register: function (a, e, g) {
103                var h = this.queries,
104                    i = g && this.browserIsIncapable;
105                return (
106                    h[a] || (h[a] = new f(a, i)),
107                    d(e) && (e = { match: e }),
108                    c(e) || (e = [e]),
109                    b(e, function (b) {
110                        d(b) && (b = { match: b }), h[a].addHandler(b);
111                    }),
112                    this
113                );
114            },
115            unregister: function (a, b) {
116                var c = this.queries[a];
117                return (
118                    c &&
119                        (b
120                            ? c.removeHandler(b)
121                            : (c.clear(), delete this.queries[a])),
122                    this
123                );
124            },
125        }),
126        new g()
127    );
128});