https://www.aaans.org/sites/aaans/modules/modules/google_analytics/js/google_analytics.js?v=10.4.10

1/**
2 * @file
3 * Attaches several event listener to a web page.
4 */
5
6(function ($, Drupal, drupalSettings) {
7
8  /* eslint max-nested-callbacks: ["error", 4] */
9
10  'use strict';
11
12  Drupal.google_analytics = {};
13
14  $(document).ready(function () {
15
16    // Attach mousedown, keyup, touchstart events to document only and catch
17    // clicks on all elements.
18    $(document.body).on('mousedown keyup touchstart', function (event) {
19
20      // Catch the closest surrounding link of a clicked element.
21      $(event.target).closest('a,area').each(function () {
22
23        // Is the clicked URL internal?
24        if (Drupal.google_analytics.isInternal(this.href)) {
25          // Skip 'click' tracking, if custom tracking events are bound.
26          if ($(this).is('.colorbox') && (drupalSettings.google_analytics.trackColorbox)) {
27            // Do nothing here. The custom event will handle all tracking.
28            // console.info('Click on .colorbox item has been detected.');
29          }
30          // Is download tracking activated and the file extension configured
31          // for download tracking?
32          else if (drupalSettings.google_analytics.trackDownload && Drupal.google_analytics.isDownload(this.href)) {
33            // Download link clicked.
34            gtag('event', Drupal.google_analytics.getDownloadExtension(this.href).toUpperCase(), {
35              event_category: 'Downloads',
36              event_label: Drupal.google_analytics.getPageUrl(this.href),
37              transport_type: 'beacon'
38            });
39          }
40          else if (Drupal.google_analytics.isInternalSpecial(this.href)) {
41            // Keep the internal URL for Google Analytics website overlay intact.
42            // @todo: May require tracking ID
43            gtag('config', drupalSettings.google_analytics.account, {
44              page_path: Drupal.google_analytics.getPageUrl(this.href),
45              transport_type: 'beacon'
46            });
47          }
48        }
49        else {
50          if (drupalSettings.google_analytics.trackMailto && $(this).is("a[href^='mailto:'],area[href^='mailto:']")) {
51            // Mailto link clicked.
52            gtag('event', 'Click', {
53              event_category: 'Mails',
54              event_label: this.href.substring(7),
55              transport_type: 'beacon'
56            });
57          }
58          else if (drupalSettings.google_analytics.trackTel && $(this).is("a[href^='tel:'],area[href^='tel:']")) {
59            // Tel link clicked.
60            gtag('event', 'Click', {
61              event_category: 'Telephone calls',
62              event_label: this.href.substring(4),
63              transport_type: 'beacon'
64            });
65          }
66          else if (drupalSettings.google_analytics.trackOutbound && this.href.match(/^\w+:\/\//i)) {
67            if (drupalSettings.google_analytics.trackDomainMode !== 2 || (drupalSettings.google_analytics.trackDomainMode === 2 && !Drupal.google_analytics.isCrossDomain(this.hostname, drupalSettings.google_analytics.trackCrossDomains))) {
68              // External link clicked / No top-level cross domain clicked.
69              gtag('event', 'Click', {
70                event_category: 'Outbound links',
71                event_label: this.href,
72                transport_type: 'beacon'
73              });
74            }
75          }
76        }
77      });
78    });
79
80    // Track hash changes as unique pageviews, if this option has been enabled.
81    if (drupalSettings.google_analytics.trackUrlFragments) {
82      window.onhashchange = function () {
83        gtag('config', drupalSettings.google_analytics.account, {
84          page_path: location.pathname + location.search + location.hash
85        });
86      };
87    }
88
89    // Colorbox: This event triggers when the transition has completed and the
90    // newly loaded content has been revealed.
91    if (drupalSettings.google_analytics.trackColorbox) {
92      $(document).on('cbox_complete', function () {
93        var href = $.colorbox.element().attr('href');
94        if (href) {
95          gtag('config', drupalSettings.google_analytics.account, {
96            page_path: Drupal.google_analytics.getPageUrl(href)
97          });
98        }
99      });
100    }
101
102  });
103
104  /**
105   * Check whether the hostname is part of the cross domains or not.
106   *
107   * @param {string} hostname
108   *   The hostname of the clicked URL.
109   * @param {array} crossDomains
110   *   All cross domain hostnames as JS array.
111   *
112   * @return {boolean} isCrossDomain
113   */
114  Drupal.google_analytics.isCrossDomain = function (hostname, crossDomains) {
115    return $.inArray(hostname, crossDomains) > -1 ? true : false;

116  };
117
118  /**
119   * Check whether this is a download URL or not.
120   *
121   * @param {string} url
122   *   The web url to check.
123   *
124   * @return {boolean} isDownload
125   */
126  Drupal.google_analytics.isDownload = function (url) {
127    var isDownload = new RegExp('\\.(' + drupalSettings.google_analytics.trackDownloadExtensions + ')([\?#].*)?$', 'i');
128    return isDownload.test(url);
129  };
130
131  /**
132   * Check whether this is an absolute internal URL or not.
133   *
134   * @param {string} url
135   *   The web url to check.
136   *
137   * @return {boolean} isInternal
138   */
139  Drupal.google_analytics.isInternal = function (url) {
140    var isInternal = new RegExp('^(https?):\/\/' + window.location.host, 'i');
141    return isInternal.test(url);
142  };
143
144  /**
145   * Check whether this is a special URL or not.
146   *
147   * URL types:
148   *  - gotwo.module /go/* links.
149   *
150   * @param {string} url
151   *   The web url to check.
152   *
153   * @return {boolean} isInternalSpecial
154   */
155  Drupal.google_analytics.isInternalSpecial = function (url) {
156    var isInternalSpecial = new RegExp('(\/go\/.*)$', 'i');
157    return isInternalSpecial.test(url);
158  };
159
160  /**
161   * Extract the relative internal URL from an absolute internal URL.
162   *
163   * Examples:
164   * - https://mydomain.com/node/1 -> /node/1
165   * - https://example.com/foo/bar -> https://example.com/foo/bar
166   *
167   * @param {string} url
168   *   The web url to check.
169   *
170   * @return {string} getPageUrl
171   *   Internal website URL.
172   */
173  Drupal.google_analytics.getPageUrl = function (url) {
174    var extractInternalUrl = new RegExp('^(https?):\/\/' + window.location.host, 'i');
175    return url.replace(extractInternalUrl, '');
176  };
177
178  /**
179   * Extract the download file extension from the URL.
180   *
181   * @param {string} url
182   *   The web url to check.
183   *
184   * @return {string} getDownloadExtension
185   *   The file extension of the passed url. e.g. 'zip', 'txt'
186   */
187  Drupal.google_analytics.getDownloadExtension = function (url) {
188    var extractDownloadextension = new RegExp('\\.(' + drupalSettings.google_analytics.trackDownloadExtensions + ')([\?#].*)?$', 'i');
189    var extension = extractDownloadextension.exec(url);
190    return (extension === null) ? '' : extension[1];
191  };
192
193})(jQuery, Drupal, drupalSettings);