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29 changes: 12 additions & 17 deletions src/default.js
Original file line number Diff line number Diff line change
Expand Up @@ -345,22 +345,10 @@
Date.now();
};

var cleanSubdomain = function (url) {
if (!url) return;
return url.replace(
/^(https?:\/\/)?((m|l|w{2,3}([0-9]+)?)\.)?([^?#]+)(.*)$/,
"$5"
);
};

// Customers can overwrite their hostname, here we check for that
var overwrittenHostname = cleanSubdomain(
overwriteOptions.hostname || attr(scriptElement, "hostname")
);

var definedHostname = cleanSubdomain(
overwrittenHostname || locationHostname
);
var overwrittenHostname =
overwriteOptions.hostname || attr(scriptElement, "hostname");
var definedHostname = overwrittenHostname || locationHostname;

var basePayload = {
version: version,
Expand Down Expand Up @@ -597,8 +585,15 @@
var lastSendPath;

var getReferrer = function () {
return cleanSubdomain(
(doc.referrer || "").replace(locationHostname, definedHostname)
// Customers can overwrite their referrer, here we check for that
var overwrittenReferrer =
overwriteOptions.referrer || attr(scriptElement, "referrer");

return (
(overwrittenReferrer || doc.referrer || "")
.replace(locationHostname, definedHostname)
.replace(/^https?:\/\/((m|l|w{2,3}([0-9]+)?)\.)?([^?#]+)(.*)$/, "$4")
.replace(/^([^/]+)$/, "$1") || undefinedVar
);
};

Expand Down
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