digitalmarketplace-govuk-frontend/digitalmarketplace/components/analytics/tagManager.js

Digital Marketplace GOV.UK Frontend contains the code you need to start building a user interface for Digital Marketplace.

export function LoadGoogleTagManager (googleTagManagerId) { /* eslint-disable */
  // Copied from Google Tag Manager installation instructions
  /* jshint ignore:start */
  (function (w, d, s, l, i) {
    w[l] = w[l] || [];
    w[l].push({
      'gtm.start':
        new Date().getTime(), event: 'gtm.js'
    });
    var f = d.getElementsByTagName(s)[0], j = d.createElement(s), dl = l != 'dataLayer' ? '&l=' + l : '';
    j.async = true;
    j.src ='https://www.googletagmanager.com/gtm.js?id=' + i + dl;
    f.parentNode.insertBefore(j, f);
  })(window, document, 'script', 'dataLayer', googleTagManagerId);
  /* jshint ignore:end */
}