1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
import {analyticsCode, anonymizeIp} from '@params';
let dataLayer;
function isDoNotTrackEnabled() {
if (typeof window === 'undefined') {
return false;
}
const {doNotTrack, navigator} = window;
// Do Not Track Settings across browsers
const dnt = (doNotTrack || navigator.doNotTrack || navigator.msDoNotTrack);
if (!dnt) {
return false;
}
return dnt === true ||
dnt === 1 ||
dnt === 'yes' ||
(typeof dnt === 'string' && dnt.charAt(0) === '1');
}
function gtag() {
dataLayer.push(arguments);
}
/**
* Function that tracks a click on an outbound link in Analytics.
*
* This function takes a valid URL string as an argument and target argument,
* and uses that URL string as the event label.
*
* Setting the transport method to 'beacon' lets the hit be sent using
* navigator.sendBeacon() in browser that support it. The navigator.sendBeacon()
* method asynchronously sends an HTTP POST request containing a small amount of
* data to a web server.
*/
function trackOutboundLink(url, target) {
gtag('event', 'click', {
'event_label': url,
'event_category': 'outbound',
'transport_type': 'beacon',
'event_callback': function () {
if (target !== '_blank') {
document.location = url;
}
}
});
}
function trackInternalEvent(label, category) {
gtag('event', 'click', {
'event_label': label,
'event_category': category
});
}
function onClickCallback(event) {
const className = event.target.getAttribute('class');
if (className === 'sidebar-toggle') {
trackInternalEvent('Sidebar Toggle', 'navigation');
return;
}
// Track only external URLs.
if ((event.target.tagName !== 'A') || (event.target.host === window.location.host)) {
return;
}
// Send GA event.
trackOutboundLink(
event.target,
event.target.getAttribute('target')
);
}
if (isDoNotTrackEnabled()) {
// Skip analytics for users with Do Not Track enabled
console.info('[TRACKING]: Respecting DNT with respect to analytics...'); // eslint-disable-line no-console
} else {
// Known DNT values not set, so we will assume it's off.
if (analyticsCode) {
(function () {
// New Google Site Tag (gtag.js) tagging/analytics framework
// See: https://developers.google.com/gtagjs
const baseUrl = 'https://www.googletagmanager.com';
const params = new URLSearchParams({
id: analyticsCode
});
let script = document.createElement('script');
script.src = baseUrl + '/gtag/js?' + params.toString();
script.type = 'text/javascript';
script.async = true;
document.getElementsByTagName('head')[0].appendChild(script);
}());
dataLayer = window.dataLayer = window.dataLayer || [];
gtag('js', new Date());
const month = 30 * 24 * 60 * 60; // 30 days, in seconds
// Setup the project analytics code and send a pageview
gtag('config', analyticsCode, {
'anonymize_ip': anonymizeIp,
'cookie_expires': month
});
gtag('set', {
'cookie_flags': 'SameSite=None;Secure'
});
// Outbound link tracking.
document.addEventListener('click', onClickCallback, false);
}
}
|
