in static/js/tracker.js [1453:1479]
function p(e, t) {
if (((t = t.toUpperCase()), e && ('POST' === t || 'PUT' === t))) {
if ('string' == typeof e) return e;
if (window.FormData && e instanceof FormData) {
var n = [];
return (
e.forEach(function (e, t) {
n.push(
''
.concat(t, '=')
.concat(
'string' == typeof e
? e
: Object.prototype.toString.call(e)
)
);
}),
n.join('&')
);
}
return window.URLSearchParams && e instanceof URLSearchParams
? e.toString()
: window.Request && e instanceof Request
? e.clone().text()
: Object.prototype.toString.call(e);
}
}