mirror of https://github.com/status-im/fathom.git
111 lines
2.5 KiB
JavaScript
111 lines
2.5 KiB
JavaScript
'use strict';
|
|
|
|
var cookies = require('cookies-js');
|
|
var queue = window.fathom.q || [];
|
|
var trackerUrl = '';
|
|
var commands = {
|
|
"trackPageview": trackPageview,
|
|
"setTrackerUrl": setTrackerUrl,
|
|
};
|
|
|
|
// convert object to query string
|
|
function stringifyObject(json) {
|
|
var keys = Object.keys(json);
|
|
|
|
return '?' +
|
|
keys.map(function(k) {
|
|
return encodeURIComponent(k) + '=' +
|
|
encodeURIComponent(json[k]);
|
|
}).join('&');
|
|
}
|
|
|
|
function generateKey() {
|
|
var s = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
|
|
return Array(16).join().split(',').map(function() { return s.charAt(Math.floor(Math.random() * s.length)); }).join('');
|
|
}
|
|
|
|
function getData() {
|
|
var data = Cookies.get('_fathom');
|
|
|
|
if(data) {
|
|
try{
|
|
data = JSON.parse(data);
|
|
return data;
|
|
} catch(e) {
|
|
console.error(e);
|
|
}
|
|
}
|
|
|
|
return {
|
|
sid: generateKey(),
|
|
isNew: true,
|
|
pagesViewed: [],
|
|
}
|
|
}
|
|
|
|
function setTrackerUrl(v) {
|
|
trackerUrl = v;
|
|
}
|
|
|
|
function trackPageview() {
|
|
if(trackerUrl === '') {
|
|
console.error('Fathom: invalid tracker URL');
|
|
return;
|
|
}
|
|
|
|
// Respect "Do Not Track" requests
|
|
if('doNotTrack' in navigator && navigator.doNotTrack === "1") {
|
|
return;
|
|
}
|
|
|
|
// get the path or canonical
|
|
var path = location.pathname + location.search;
|
|
|
|
// parse path from canonical, if page has one
|
|
var canonical = document.querySelector('link[rel="canonical"][href]');
|
|
if(canonical) {
|
|
var a = document.createElement('a');
|
|
a.href = canonical.href;
|
|
path = a.pathname;
|
|
}
|
|
|
|
let referrer = '';
|
|
if(document.referrer.indexOf(location.hostname) < 0) {
|
|
referrer = document.referrer;
|
|
}
|
|
|
|
let data = getData();
|
|
|
|
var d = {
|
|
sid: data.sid,
|
|
p: path,
|
|
t: document.title,
|
|
r: referrer,
|
|
scheme: location.protocol.substring(0, location.protocol.length - 1),
|
|
u: data.pagesViewed.indexOf(path) == -1 ? 1 : 0,
|
|
b: data.isNew ? 1 : 0, // because only new visitors can bounce. we update this server-side.
|
|
n: data.isNew ? 1 : 0,
|
|
};
|
|
|
|
var i = document.createElement('img');
|
|
i.src = trackerUrl + stringifyObject(d);
|
|
i.addEventListener('load', function() {
|
|
data.pagesViewed.push(path);
|
|
data.isNew = false;
|
|
Cookies.set('_fathom', JSON.stringify(data), { expires: 60 * 60 * 24});
|
|
});
|
|
document.body.appendChild(i);
|
|
}
|
|
|
|
// override global fathom object
|
|
window.fathom = function() {
|
|
var args = [].slice.call(arguments);
|
|
var c = args.shift();
|
|
commands[c].apply(this, args);
|
|
};
|
|
|
|
// process existing queue
|
|
queue.forEach(function(i) {
|
|
fathom.apply(this, i);
|
|
});
|