https://www.sanctuary.co.uk/modules/custom/sanctuary_overrides/js/modal_focus_trap.js?tlhf6x

1const observer = new MutationObserver(function(mutations_list) {
2    mutations_list.forEach(function(mutation) {
3        mutation.addedNodes.forEach(function(added_node) {
4          // Attempt to get the element using document.getElementById.
5          var element = document.getElementById("onetrust-reject-all-handler");
6
7          if (typeof(element) != 'undefined' && element != null && added_node.id === 'onetrust-consent-sdk') {
8            // Find the location button. The modal is added to the DOM after user accepted or rejected the onetrust consent.
9            const locationBtn = document.querySelector(".location-selection-btn.active");
10            if (typeof(locationBtn) != 'undefined' && locationBtn != null) {
11              document.querySelector("#onetrust-reject-all-handler").addEventListener("click", function (event) {
12                locationBtn.focus();
13              });
14              document.querySelector("#onetrust-accept-btn-handler").addEventListener("click", function (event) {
15                locationBtn.focus();
16              });
17            }
18            observer.disconnect();
19          }
20
21          if (added_node.id === 'sanctuaryLocationModal') {
22            // If no matches are found, null is returned.
23            const onetrustElement = document.querySelector(".onetrust-pc-dark-filter.ot-fade-in");
24
25            // Find the location button.
26            const locationBtn = document.querySelector(".location-selection-btn.active");
27
28            if (onetrustElement != null && window.getComputedStyle(onetrustElement).display === "none") {
29              if (locationBtn != null) {
30                locationBtn.focus();
31              }
32              observer.disconnect();
33            }
34          }
35        });
36    });
37});
38
39observer.observe(document.querySelector("body"), { subtree: true, childList: true });