https://www.xanax.com/-/media/Base-Themes/Maps/Scripts/component-location-service.js

1XA.component.locationService = (function ($, document) {
2
3    "use strict";
4
5    var api = {},
6        getCurrentLocation,
7        getLocationOptions,
8        detectBrowser,
9        gettingLocation = false,
10        errorCallbacks = [],
11        successCallbacks = [],
12        reportError;
13
14
15    getCurrentLocation = function(success, error) {
16        var i;
17
18        errorCallbacks.push(error);
19        successCallbacks.push(success);
20
21        if (gettingLocation) {
22            //process for getting current location has already been started, just subscribe for proper event and wait
23            return;
24        }
25        gettingLocation = true;
26        if (navigator.geolocation) {
27            navigator.geolocation.getCurrentPosition(
28                function (position) {
29                    for (i = 0; i < successCallbacks.length; i++) {
30                        successCallbacks[i]([position.coords.latitude, position.coords.longitude]);
31                    }
32                    gettingLocation = false;
33                },
34                function (error) {
35                    reportError("Error while detecting user location location");
36                    gettingLocation = false;
37                },
38                getLocationOptions()
39            );
40        } else {
41            reportError("Your browser doesn\'t support geolocation");
42            gettingLocation = false;
43        }
44    };
45
46    getLocationOptions = function() {
47        var browser = detectBrowser();
48        if (browser.indexOf("Chrome") !== -1) {
49            return {
50                enableHighAccuracy: true,
51                timeout: 10000,
52                maximumAge: 0
53            };
54        } else {
55            return {
56                timeout: 1000,
57                maximumAge: Infinity
58            };
59        }
60    };
61
62    detectBrowser = function() {
63        var ua = navigator.userAgent,
64            tem,
65            M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
66
67        if (/trident/i.test(M[1])) {
68            tem=  /\brv[ :]+(\d+)/g.exec(ua) || [];
69            return "IE " + (tem[1] || "");
70        }
71        if (M[1] === "Chrome") {
72            tem = ua.match(/\b(OPR|Edge)\/(\d+)/);
73            if(tem != null) {
74                return tem.slice(1).join(" ").replace("OPR", "Opera");
75            }
76        }
77        M= M[2] ? [M[1], M[2]] : [navigator.appName, navigator.appVersion, "-?"];
78        if ((tem= ua.match(/version\/(\d+)/i)) != null) {
79            M.splice(1, 1, tem[1]);
80        }
81        return M.join(" ");
82    };
83
84    reportError = function(errorMessage) {
85        var i;
86        for (i = 0; i < errorCallbacks.length; i++) {
87                if (typeof errorCallbacks[i] === "function") {
88                    errorCallbacks[i](errorMessage);
89                }
90            }
91    };
92
93    api.detectLocation = function(success, error) {
94        getCurrentLocation(success, error);
95    };
96
97    return api;
98
99}(jQuery, document));
100
101XA.register("locationService", XA.component.locationService);