https://ndi.org/modules/contrib/google_analytics/js/google_analytics.js?v=10.6.15

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      $(event.target).closest('a,area').each(function () {
22
23        if (typeof this.href !== "string") {
24          return;
25        }
26
27        // Is the clicked URL internal?
28        if (Drupal.google_analytics.isInternal(this.href)) {
29          // Skip 'click' tracking, if custom tracking events are bound.
30          if ($(this).is('.colorbox') && (drupalSettings.google_analytics.trackColorbox)) {
31            // Do nothing here. The custom event will handle all tracking.
32            // console.info('Click on .colorbox item has been detected.');
33          }
34          // Is download tracking activated and the file extension configured
35          // for download tracking?
36          else if (drupalSettings.google_analytics.trackDownload && Drupal.google_analytics.isDownload(this.href)) {
37            // Download link clicked.
38            gtag('event', Drupal.google_analytics.getDownloadExtension(this.href).toUpperCase(), {
39              event_category: 'Downloads',
40              event_label: Drupal.google_analytics.getPageUrl(this.href),
41              transport_type: 'beacon'
42            });
43          }
44          else if (Drupal.google_analytics.isInternalSpecial(this.href)) {
45            // Keep the internal URL for Google Analytics website overlay intact.
46            // @todo: May require tracking ID
47            gtag('config', drupalSettings.google_analytics.account, {
48              page_path: Drupal.google_analytics.getPageUrl(this.href),
49              transport_type: 'beacon'
50            });
51          }
52        }
53        else {
54          if (drupalSettings.google_analytics.trackMailto && $(this).is("a[href^='mailto:'],area[href^='mailto:']")) {
55            // Mailto link clicked.
56            gtag('event', 'Click', {
57              event_category: 'Mails',
58              event_label: this.href.substring(7),
59              transport_type: 'beacon'
60            });
61          }
62          else if (drupalSettings.google_analytics.trackTel && $(this).is("a[href^='tel:'],area[href^='tel:']")) {
63            // Tel link clicked.
64            gtag('event', 'Click', {
65              event_category: 'Telephone calls',
66              event_label: this.href.substring(4),
67              transport_type: 'beacon'
68            });
69          }
70          else if (drupalSettings.google_analytics.trackOutbound && this.href.match(/^\w+:\/\//i)) {
71            if (drupalSettings.google_analytics.trackDomainMode !== 2 || (drupalSettings.google_analytics.trackDomainMode === 2 && !Drupal.google_analytics.isCrossDomain(this.hostname, drupalSettings.google_analytics.trackCrossDomains))) {
72              // External link clicked / No top-level cross domain clicked.
73              gtag('event', 'Click', {
74                event_category: 'Outbound links',
75                event_label: this.href,
76                transport_type: 'beacon'
77              });
78            }
79          }
80        }
81      });
82    });
83
84    // Track hash changes as unique pageviews, if this option has been enabled.
85    if (drupalSettings.google_analytics.trackUrlFragments) {
86      window.onhashchange = function () {
87        gtag('config', drupalSettings.google_analytics.account, {
88          page_path: location.pathname + location.search + location.hash
89        });
90      };
91    }
92
93    // Colorbox: This event triggers when the transition has completed and the
94    // newly loaded content has been revealed.
95    if (drupalSettings.google_analytics.trackColorbox) {
96      $(document).on('cbox_complete', function () {
97        var href = $.colorbox.element().attr('href');
98        if (href) {
99          gtag('config', drupalSettings.google_analytics.account, {
100            page_path: Drupal.google_analytics.getPageUrl(href)
101          });
102        }
103      });
104    }
105
106  });
107
108  /**
109   * Check whether the hostname is part of the cross domains or not.
110   *
111   * @param {string} hostname
112   *   The hostname of the clicked URL.
113   * @param {array} crossDomains
114   *   All cross domain hostnames as JS array.
115   *
116   * @return {boolean} isCrossDomain
117   */
118  Drupal.google_analytics.isCrossDomain = function (hostname, crossDomains) {
119    return $.inArray(hostname, crossDomains) > -1 ? true : false;

120  };
121
122  /**
123   * Check whether this is a download URL or not.
124   *
125   * @param {string} url
126   *   The web url to check.
127   *
128   * @return {boolean} isDownload
129   */
130  Drupal.google_analytics.isDownload = function (url) {
131    var isDownload = new RegExp('\\.(' + drupalSettings.google_analytics.trackDownloadExtensions + ')([\?#].*)?$', 'i');
132    return isDownload.test(url);
133  };
134
135  /**
136   * Check whether this is an absolute internal URL or not.
137   *
138   * @param {string} url
139   *   The web url to check.
140   *
141   * @return {boolean} isInternal
142   */
143  Drupal.google_analytics.isInternal = function (url) {
144    var isInternal = new RegExp('^(https?):\/\/' + window.location.host, 'i');
145    return isInternal.test(url);
146  };
147
148  /**
149   * Check whether this is a special URL or not.
150   *
151   * URL types:
152   *  - gotwo.module /go/* links.
153   *
154   * @param {string} url
155   *   The web url to check.
156   *
157   * @return {boolean} isInternalSpecial
158   */
159  Drupal.google_analytics.isInternalSpecial = function (url) {
160    var isInternalSpecial = new RegExp('(\/go\/.*)$', 'i');
161    return isInternalSpecial.test(url);
162  };
163
164  /**
165   * Extract the relative internal URL from an absolute internal URL.
166   *
167   * Examples:
168   * - https://mydomain.com/node/1 -> /node/1
169   * - https://example.com/foo/bar -> https://example.com/foo/bar
170   *
171   * @param {string} url
172   *   The web url to check.
173   *
174   * @return {string} getPageUrl
175   *   Internal website URL.
176   */
177  Drupal.google_analytics.getPageUrl = function (url) {
178    var extractInternalUrl = new RegExp('^(https?):\/\/' + window.location.host, 'i');
179    return url.replace(extractInternalUrl, '');
180  };
181
182  /**
183   * Extract the download file extension from the URL.
184   *
185   * @param {string} url
186   *   The web url to check.
187   *
188   * @return {string} getDownloadExtension
189   *   The file extension of the passed url. e.g. 'zip', 'txt'
190   */
191  Drupal.google_analytics.getDownloadExtension = function (url) {
192    var extractDownloadextension = new RegExp('\\.(' + drupalSettings.google_analytics.trackDownloadExtensions + ')([\?#].*)?$', 'i');
193    var extension = extractDownloadextension.exec(url);
194    return (extension === null) ? '' : extension[1];
195  };
196
197})(jQuery, Drupal, drupalSettings);