convertionanalytics-tracking
Version:
Track events - custom user actions, clicks, pageviews, purchases.
17 lines (16 loc) • 526 B
JavaScript
export function getUniqueId() {
// uuidv4
if (typeof crypto !== 'undefined' && crypto.getRandomValues) {
// browser
return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
)
} else {
// node & older browsers
let str = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx';
return str.replace(/[xy]/g, function(c) {
let r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
return v.toString(16);
});
}
}