https://lexus-minsk.by/event-tracker/static/tracker.js

1(function () {
2    const BASE_PATH = "/event-tracker";
3
4    const urls = {
5        collect: BASE_PATH + "/collect",
6    };
7
8    const state = {
9        eventTrackerUserUuid: null,
10    };
11
12    const api = {
13        collect(extra = {}) {
14            return sendWithResponse(urls.collect, {
15                url: window.location.href,
16                referer: document.referrer,
17                ts: Date.now(),
18                ...extra,
19            }).then((response) => {
20                const uuid = response?.data?.event_tracker_user_uuid;
21
22                if (uuid) {
23                    state.eventTrackerUserUuid = uuid;
24                    window.TradedealerEventTracker.eventTrackerUserUuid = uuid;
25
26                    window.dispatchEvent(
27                        new CustomEvent("tradedealer:event-tracker-ready", {
28                            detail: {
29                                eventTrackerUserUuid: uuid,
30                            },
31                        }),
32                    );
33                }
34
35                return response;
36            });
37        },
38
39        getUserUuid() {
40            return state.eventTrackerUserUuid;
41        },
42    };
43
44    function sendWithResponse(url, data) {
45        const payload = JSON.stringify(data);
46
47        return fetch(url, {
48            method: "POST",
49            body: payload,
50            keepalive: true,
51            headers: {
52                "Content-Type": "application/json",
53            },
54        }).then((response) => response.json());
55    }
56
57    function send(url, data) {
58        const payload = JSON.stringify(data);
59
60        try {
61            if (navigator.sendBeacon) {
62                const blob = new Blob([payload], {
63                    type: "application/json",
64                });
65                navigator.sendBeacon(url, blob);
66                return;
67            }
68
69            if (window.fetch) {
70                fetch(url, {
71                    method: "POST",
72                    body: payload,
73                    keepalive: true,
74                    headers: {
75                        "Content-Type": "application/json",
76                    },
77                });
78                return;
79            }
80            console.error("EventTracker send error: not sending");
81        } catch (e) {
82            console.error("EventTracker send error: ", e);
83        }
84    }
85
86    window.TradedealerEventTracker = Object.assign(
87        window.TradedealerEventTracker || {},
88        api,
89    );
90
91    function init() {
92        api.collect();
93    }
94
95    if (document.readyState === "loading") {
96        document.addEventListener("DOMContentLoaded", init);
97    } else {
98        init();
99    }
100})();