https://valleyrec.com/modules/contrib/google_tag/js/gtm.js?snbhjz

1const dl = drupalSettings.gtm.settings.data_layer || 'dataLayer'
2window[dl] = window[dl] || [];
3
4(function (drupalSettings) {
5    const config = drupalSettings.gtm;
6
7    window[dl].push({'gtm.start': new Date().getTime(), event:'gtm.js'});
8    const gtmSettings = config.settings;
9    if (gtmSettings.include_classes === true) {
10      window[dl].push({
11        'gtm.allowlist': gtmSettings.allowlist_classes ?? [],
12        'gtm.blocklist': gtmSettings.blocklist_classes ?? [],
13      });
14    }
15    config.tagIds.forEach(function(tagId) {
16        const script = document.createElement('script')
17        script.async = true;
18        const dLink = dl!='dataLayer'?'&l='+dl:'';
19        script.src = 'https://www.googletagmanager.com/gtm.js?id=' + tagId + dLink;
20        script.type = 'text/javascript'
21        document.getElementsByTagName('head')[0].appendChild(script);
22    });
23})(drupalSettings);