feat: remove form abandonment

Resolves #376

js/ga/eclipsefdn.form-abandonment.js

-/*!
- * Copyright (c) 2021 Eclipse Foundation, Inc.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v. 2.0 which is available at
- * http://www.eclipse.org/legal/epl-2.0.
- *
- * Contributors:
- *  Eric Poirier <eric.poirier@eclipse-foundation.org>
- *
- * SPDX-License-Identifier: EPL-2.0
- */
-const eclipseFdnFormAbandonment = (function() {
-  if (typeof document.querySelectorAll === "undefined") {
-    return;
-  }
-
-  window.addEventListener('beforeunload', function(e) {
-    findUnsubmittedForms().forEach(function(it) {
-      if (typeof ga === "function") {
-        var tracker = ga.getAll()[0].get('name');
-        ga(tracker + '.send', 'event', {
-          'event' : 'formAbandonment',
-          'eventCategory': 'form-abandonment-tracker',
-          'eventAction': window.location.href,
-          'eventLabel': it.id + ": " + it.history.join(" > ")
-        });
-      }
-    });
-  });
-
-  var history = {}
-
-  window.addEventListener("load", function() {
-    document.addEventListener("change", function(e) {
-      var target = e.target
-      if (target && target.tagName && (target.tagName.toUpperCase() == "INPUT" || target.tagName.toUpperCase() == "TEXTAREA" || target.tagName.toUpperCase() == "SELECT")) {
-        var inputName = target.getAttribute("name")
-        var form = target.form
-        if (form && inputName) {
-          var formIdentifier = form.getAttribute("id");
-          if (!formIdentifier) {
-            formIdentifier = form.getAttribute("name");
-          }
-          if (formIdentifier) {
-            if (typeof history[formIdentifier] == "undefined") {
-              history[formIdentifier] = [];
-            }
-            if (history[formIdentifier].slice(-1) != inputName) {
-              var inputName = inputName.replace(/\[und\]/i, "");
-              history[formIdentifier].push(inputName);
-            }
-          }
-        }
-      }
-    });
-  });
-
-  function findUnsubmittedForms() {
-    return Object.keys(history).filter(hasNoFormSubmitEvent(window.dataLayer)).map(findFormFromHistory).filter(notEmpty);
-  }
-
-  function hasNoFormSubmitEvent(dataLayer) {
-    return function(id) {
-      return dataLayer.filter(isFormSubmitEvent).map(getFormName).indexOf(id) == -1;
-    }
-  }
-
-  function isFormSubmitEvent(e) {
-    return e.event === 'gtm.formSubmit';
-  }
-
-  function getFormName(e) {
-    return e['gtm.element'].name;
-  }
-
-  function findFormFromHistory(id) {
-    return {
-      id: id,
-      history: (history[id] || [])
-    }
-  }
-
-  function notEmpty(form) {
-    return form.history.length > 0;
-  }
-
-})();
-
-export default eclipseFdnFormAbandonment;
\ No newline at end of file