TypeScript + Google Analytics = ❤️

analytics-00.js

function initAnalytics() {
    (function(i,s,o,g,r,a,m) {i["GoogleAnalyticsObject"]=r;i[r]=i[r]||function() {
        (i[r].q=i[r].q ||[]).push(arguments);},i[r].l= 1*new Date();a=s.createElement(o),
      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m);
    })(window, document, "script", "//www.google-analytics.com/analytics.js", "ga");
  
    ga("create", "UA-XXXXXXXX-X", "auto");
    ga("send", "pageview");
  }


  export { initAnalytics };

analytics-01.ts

/* tslint:disable ban-comma-operator only-arrow-functions */

function initAnalytics() {
  (function(i, s, o, g, r, a, m) {
    i["GoogleAnalyticsObject"] = r;
    (i[r] =
      i[r] ||
      function() {
        (i[r].q = i[r].q || []).push(arguments);
      }),
      (i[r].l = 1 * new Date());
    (a = s.createElement(o)), (m = s.getElementsByTagName(o)[0]);
    a.async = 1;
    a.src = g;
    m.parentNode.insertBefore(a, m);
  })(window, document, "script", "//www.google-analytics.com/analytics.js", "ga");

  ga("create", "UA-XXXXXXXX-X", "auto");
  ga("send", "pageview");
}

export { initAnalytics };

analytics-final.ts

/* tslint:disable ban-comma-operator only-arrow-functions */

function initAnalytics() {
  (function(i, s, o: "script", g, r: "ga", a?: HTMLScriptElement, m?: Element) {
    i.GoogleAnalyticsObject = r;
    (i[r] =
      i[r] ||
      function() {
        (i[r].q = i[r].q || []).push(arguments);
      }),
      (i[r].l = 1 * new Date().getTime());
    (a = s.createElement(o)), (m = s.getElementsByTagName(o)[0]);
    a.async = true;
    a.src = g;
    if (m.parentNode !== null) {
      m.parentNode.insertBefore(a, m);
    }
  })(window, document, "script", "//www.google-analytics.com/analytics.js", "ga");

  ga("create", "UA-XXXXXXXX-X", "auto");
  ga("send", "pageview");
}

export { initAnalytics };