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allow passing vars to fathom('trackPageview') which override parsed d…

…ata. see #178
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dannyvankooten committed Nov 2, 2018
1 parent fa46af7 commit dc1573cc56cfe3d3e9cf018f011c18b4006ebd3f
Showing with 14 additions and 12 deletions.
  1. +14 −12 assets/src/js/tracker.js
@@ -105,7 +105,9 @@
return el ? el.src.replace('tracker.js', 'collect') : '';
}

function trackPageview() {
function trackPageview(vars) {
vars = vars || {};

// Respect "Do Not Track" requests
if('doNotTrack' in navigator && navigator.doNotTrack === "1") {
return;
@@ -118,13 +120,14 @@

// if <body> did not load yet, try again at dom ready event
if( document.body === null ) {
document.addEventListener("DOMContentLoaded", trackPageview)
document.addEventListener("DOMContentLoaded", () => {
trackPageview(vars);
})
return;
}

// parse request, use canonical if there is one
let req = window.location;

// parse canonical, if page has one
let canonical = document.querySelector('link[rel="canonical"][href]');
if(canonical) {
let a = document.createElement('a');
@@ -133,19 +136,18 @@
// use parsed canonical as location object
req = a;
}

// get path and pathname from location or canonical
let path = req.pathname + req.search;
let hostname = req.protocol + "//" + req.hostname;

// if parsing path failed, default to main page

let path = vars.path || ( req.pathname + req.search );
if(!path) {
path = '/';
}

// determine hostname
let hostname = vars.hostname || ( req.protocol + "//" + req.hostname );

// only set referrer if not internal
let referrer = '';
if(document.referrer.indexOf(location.hostname) < 0) {
let referrer = vars.referrer || '';
if(document.referrer.indexOf(hostname) < 0) {
referrer = document.referrer;
}

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