https://www.appliancesuperstore.co.uk/wp-content/plugins/salesfire/src/js/sfgetid.js?ver=1.0.16

1const nonce = sfTracking.nonce;
2const sfCuidKey = 'sf_cuid';
3
4(function () {
5    window.sfDataLayer = window.sfDataLayer || [];
6
7    let sfCuid = localStorage.getItem(sfCuidKey) || null;
8
9    // Reuse existing sf_cuid if it exists
10    if (sfCuid) {
11        // Push to sfDataLayer
12        window.sfDataLayer.push({
13            session: {
14                id: sfCuid,
15            },
16        });
17    } else {
18        // If sf_cuid is not in localStorage, fetch it from the REST API
19        fetch(sfTracking.restUrl, {
20            method: 'GET',
21            headers: {
22                'X-WP-Nonce': nonce,
23            },
24        })
25        .then((response) => response.json())
26        .then((data) => {
27            if (typeof data === 'string' && data.length > 0) {
28                sfCuid = data;
29                localStorage.setItem(sfCuidKey, sfCuid);
30
31                // Push to sfDataLayer
32                window.sfDataLayer.push({
33                    session: {
34                        id: sfCuid,
35                    },
36                });
37            } else if (data && typeof data === 'object' && data.code) {
38                console.error('Failed to fetch sf_cuid:', data.message || 'Unknown error', data);
39            } else {
40                console.error('Invalid sf_cuid response:', data);
41            }
42        })
43        .catch((error) => {
44            console.error('Failed to fetch sf_cuid:', error);
45        });
46    }
47})();