@financial-times/o-tracking
Advanced tools
Include in your product to send tracking requests to the Spoor API.
Applies to both quickstart examples below
Add the polyfill service to your site to make sure o-tracking runs in as many browsers as possible.
Require the noscript version of o-tracking incase the browser doesn't cut the mustard.
Checkout the Origami spec for the correct CTM logic, html and css changes needed.
o-tracking should have the following piece of html added, with the correct server and data filled in.
<div class="o-tracking o--if-no-js" data-o-component="o-tracking">
<div style="background:url('http://server?data={}');"></div>
</div>
Use an onload handler to check when o-tracking has loaded and then init.
// CTM
if (cutsTheMustard) {
var o = document.createElement('script');
o.async = o.defer = true;
o.src = 'https://build.origami.ft.com/v2/bundles/js?modules=o-tracking';
var s = document.getElementsByTagName('script')[0];
if (o.hasOwnProperty('onreadystatechange')) {
o.onreadystatechange = function() {
if (o.readyState === "loaded") {
oTrackinginit();
}
};
} else {
o.onload = oTrackinginit;
}
s.parentNode.insertBefore(o, s);
}
The oTrackinginit function, used above, would have function calls to setup o-tracking and likely send a page view event. e.g.
function oTrackinginit() {
var oTracking = Origami['o-tracking'];
// Setup
oTracking.init({...config...});
// Page
oTracking.page({...config...});
// Clicks.
oTracking.click.init(category);
// Components/Elements views.
oTracking.view.init({...opts...});
}
Use the build service or require locally to load o-tracking and init manually.
var oTracking = require('o-tracking');
if (cutsTheMustard) {
// Setup
oTracking.init({...config...});
// Page
oTracking.page({...config...});
// Clicks
oTracking.click.init(category);
// Components/Elements views.
oTracking.view.init({...opts...});
}
<!DOCTYPE html>
<!-- Add core class to head tag -->
<head class="core">
<head>
<title>Full example</title>
<!-- Add CTM styles -->
<style type="text/css">
/* Hide any enhanced experience content when in core mode, and vice versa. */
.core .o--if-js,
.enhanced .o--if-no-js { display: none !important; }
</style>
<!-- Add CTM check -->
<script>
var cutsTheMustard = ('querySelector' in document && 'localStorage' in window && 'addEventListener' in window);
if (cutsTheMustard) {
// Swap the 'core' class on the HTML element for an 'enhanced' one
// We're doing it early in the head to avoid a flash of unstyled content
document.documentElement.className = document.documentElement.className.replace(/\bcore\b/g, 'enhanced');
}
</script>
<!-- Add Polyfil service -->
<script src="https://cdn.polyfill.io/v1/polyfill.min.js"></script>
<!-- INIT and make a page request -->
<script>
function oTrackinginit() {
// oTracking
var oTracking = Origami['o-tracking'];
var config_data = {
server: 'https://spoor-api.ft.com/px.gif',
context: {
product: 'ft.com'
},
user: {
ft_session: oTracking.utils.getValueFromCookie(/FTSession=([^;]+)/)
}
}
// Setup
oTracking.init(config_data);
// Page
oTracking.page({
content: {
asset_type: 'page'
}
});
}
if (cutsTheMustard) {
var o = document.createElement('script');
o.async = o.defer = true;
o.src = 'https://build.origami.ft.com/v2/bundles/js?modules=o-tracking';
var s = document.getElementsByTagName('script')[0];
if (o.hasOwnProperty('onreadystatechange')) {
o.onreadystatechange = function() {
if (o.readyState === "loaded") {
oTrackinginit();
}
};
} else {
o.onload = oTrackinginit;
}
s.parentNode.insertBefore(o, s);
}
</script>
</head>
<body>
<!-- Add fallback if browsers don't cut the mustard -->
<div class="o-tracking o--if-no-js" data-o-component="o-tracking">
<div style="background:url('https://spoor-api.ft.com/px.gif?data=%7B%22category%22:%22page%22,%20%22action%22:%22view%22,%20%22system%22:%7B%22apiKey%22:%22qUb9maKfKbtpRsdp0p2J7uWxRPGJEP%22,%22source%22:%22o-tracking%22,%22version%22:%221.0.0%22%7D,%22context%22:%7B%22product%22:%22ft.com%22,%22content%22:%7B%22asset_type%22:%22page%22%7D%7D%7D');"></div>
</div>
<!-- Send an event -->
<button onclick="document.body.dispatchEvent(new CustomEvent('oTracking.event', { detail: { category: 'element', action: 'click' }, bubbles: true}));">Send an event</button>
</body>
</html>
o-tracking captures events automatically when initialised with the methods outlined above. In addition, o-tracking will capture custom oTracking.page and oTracking.event events:
oTracking.page
Send a page view event
document.body.dispatchEvent(new CustomEvent('oTracking.page', { detail: { content: { uuid: 'abc-123', barrier: 'PREMIUM' }}, bubbles: true}));
oTracking.event
Send a normal event
document.body.dispatchEvent(new CustomEvent('oTracking.event', { detail: { category: 'video', action: 'play', id: '512346789', pos: '10' }, bubbles: true}));
o-tracking will
domPathTokens property. If the clicked element has the data-trackable attribute, sibling elements will also be included within domPathTokens.data-o-tracking-view attribute by default, unless o-tracking's selector option is configured. Like click events, view events populate a domPathTokens property. To collect data for events, set the category option, or provide a callback[getContextData]window.IntersectionObserver in order to track the eventsgetContextData should be a function which returns {Object}. It accepts the viewed element as an argument
const opts = {
category: 'audio', // default: 'component'
selector: '.o-teaser__audio', // default: '[data-o-tracking-view]'
getContextData: (el) => { // default: null
return {
componentContentId: el.getAttribute('data-id'),
type: 'audio',
subtype: 'podcast',
component: 'teaser'
};
}
}
oTracking.view.init(opts);
Events are decorated with config values you pass in via init() or updateConfig() if they are part of context, user, or device objects. Values passed in as context to individual events will override context values from init.
{
server: "...",
context: {
product: "..."
},
user: {
ft_session: "..."
},
device: {
orientation: "..."
}
}
{
device: {
orientation: "..."
}
}
{
url: "...",
referrer: "..."
content: {
uuid: "...",
hurdle: "..."
}
... any other key-values ...
}
Important: To decide how to name the category and action fields, consider this sentence (square brackets denote that part is optional):
For example:
{
category: 'video',
action: 'play',
... any other key-values ...
id: '512346789',
pos: '10'
}
Look at all the properties available for an event.
FAQs
Provides tracking for a product. Tracking requests are sent to the Spoor API.
We found that @financial-times/o-tracking demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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